200-125 practice test

  • [2017-08-15] Free Download Of Lead2pass 200-125 Real Exam Questions (795-800)

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    QUESTION 795
    While troubleshooting a connection problem on a computer,you determined that the computer can ping a specific web server but it
    cannot connect to TCP port 80 on that server.Which reason for the problem is most likely ture?

    A.    A VLAN number is incorrect
    B.    An ARP table entry is missing
    C.    A route is missing
    D.    An ACL is blocking the TCP port

    (more…)

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    QUESTION 301
    Syslog was configured with a level 3 trap. Which 4 types of logs would be generated (choose four)

    A.    Emergencies
    B.    Alerts
    C.    Critical
    D.    Errors
    E.    Warnings

    (more…)

  • [2017 New] 2017 Lead2pass New Updated 200-125 Exam Questions (276-300)

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    QUESTION 276
    What are three components that comprise the SNMP framework? (Choose three.)

    A.    MIB
    B.    agent
    C.    set
    D.    AES
    E.    supervisor
    F.    manager

    (more…)

  • [2017 New] Lead2pass Latest Cisco 200-125 Exam Questions Free Download (251-275)

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    QUESTION 251
    Drag and Drop Question

    Answer:

    QUESTION 252
    Lab Simulation Question – ACL-1
    A network associate is adding security to the configuration of the Corp1 router. The user on host C should be able to use a web browser to access financial information from the Finance Web Server. No other hosts from the LAN nor the Core should be able to use a web browser to access this server. Since there are multiple resources for the corporation at this location including other resources on the Finance Web Server, all other traffic should be allowed.
    The task is to create and apply an access-list with no more than three statements that will allow ONLY host C web access to the Finance Web Server. No other hosts will have web access to the Finance Web Server. All other traffic is permitted.
    Access to the router CLI can be gained by clicking on the appropriate host.

    All passwords have been temporarily set to “cisco”.
    The Core connection uses an IP address of 198.18.196.65
    The computers in the Hosts LAN have been assigned addresses of 192.168.33.1 – 192.168.33.254
    Host A 192.168.33.1
    Host B 192.168.33.2
    Host C 192.168.33.3
    Host D 192.168.33.4
    The servers in the Server LAN have been assigned addresses of 172.22.242.17 – 172.22.242.30 The Finance Web Server is assigned an IP address of 172.22.242.23.

    Answer:
    Corp1>enable
    Password: cisco

    We should create an access-list and apply it to the interface which is connected to the Servers LAN interface, because it can filter out traffic from both Sw-Hosts and Core networks. The Server LAN network has been assigned addresses of 172.22.242.17 – 172.22.242.30 so we can guess the interface connected to them has an IP address of 172.22.242.30 (.30 is the number shown in the figure). Use the “show ip interface brief” command to check which interface has the IP address of 172.22.242.30.

    Corp1#show ip interface brief
    Interface        IP-Address      OK? Method Status Protocol
    FastEthernet0/0  192.168.33.254  YES manual up     up
    FastEthernet0/1  172.22.242.30   YES manual up     up
    Serial0/0        198.18.196.65   YES manual up     up

    We learn that interface FastEthernet0/1 is the interface connected to Server LAN network. It is the interface we will apply our access-list (for outbound direction).
    Corp1#configure terminal

    Our access-list needs to allow host C – 192.168.33.3 to the Finance Web Server 172.22.242.23 via web (port 80)
    Corp1(config)#access-list 100 permit tcp host 192.168.33.3 host 172.22.242.23 eq 80

    Deny other hosts access to the Finance Web Server via web
    Corp1(config)#access-list 100 deny tcp any host 172.22.242.23 eq 80

    All other traffic is permitted
    Corp1(config)#access-list 100 permit ip any any
    Apply this access-list to Fa0/1 interface (outbound direction)

    Corp1(config)#interface fa0/1
    Corp1(config-if)#ip access-group 100 out

    Notice: We have to apply the access-list to Fa0/1 interface (not Fa0/0 interface) so that the access-list can filter traffic coming from both the LAN and the Core networks. If we apply access list to the inbound interface we can only filter traffic from the LAN network.
    In the real exam, just click on host C and open its web browser. In the address box type http://172.22.242.23 to check if you are allowed to access Finance Web Server or not. If your configuration is correct then you can access it.
    Click on other hosts (A, B and D) and check to make sure you can’t access Finance Web Server from these hosts.
    Finally, save the configuration

    Corp1(config-if)#end
    Corp1#copy running-config startup-config

    This configuration only prevents hosts from accessing Finance Web Server via web but if this server supports other traffic – like FTP, SMTP… then other hosts can access it, too.
    Notice: In the real exam, you might be asked to allow other host (A, B or D) to access the Finance Web Server so please read the requirement carefully.

    Modification #1
    A network associate is adding security to the configuration of the Corp router. The user on host B should be able to access the Finance Web Server. Host B should be denied to access other server on S1-SRVS network. Since there are multiple resources for the corporation at this location including other resources on the Finance Web Server, all other traffic should be allowed.
    The task is to create and apply a numbered access-list with no more than three statements that will allow ONLY host B access to the Finance Web Server. Deny host B from accessing the other servers. All other traffic is permitted.

    access-list 100 permit ip host 192.168.33.2 host 172.22.242.23
    access-list 100 deny ip host 192.168.33.2 172.22.242.16 0.0.0.15
    access-list 100 permit ip any any

    Modification #2
    A network associate is adding security to the configuration of the Corp1 router. The user on host C should be able to access the Finance Web Server. No other hosts from the LAN nor the Core should be able access this server. All other traffic should be allowed.
    The task is to create and apply a numbered access-list with no more than three statements that will allow ONLY host C access the Finance Web Server. No other hosts will have access to the Finance Web Server. All other traffic is permitted.

    access-list 100 permit ip host 192.168.33.3 host 172.22.242.23
    access-list 100 deny ip any host 172.22.242.23
    access-list 100 permit ip any any

    Modification #3
    A network associate is adding security to the configuration of the Corp1 router. The user on host C should be able to use a web browser to access financial information from the Finance Web Server. Other access from host C to Finance Web Server should be denied. No other hosts from the LAN nor the Core should be able to access the Finance Web Server. All other traffic should be allowed.
    The task is to create and apply a numbered access-list with no more than three statements that will allow ONLY host C web access to the Finance Web Server. Also host C should be denied to access any other services of Finance Web Server. No other hosts will access to the Finance Web Server. All other traffic is permitted.
    access-list 100 permit tcp host 192.168.33.3 host 172.22.242.23 eq 80
    access-list 100 deny ip any host 172.22.242.23
    access-list 100 permit ip any any

    Modification #4
    A network associate is adding security to the configuration of the Corp1 router. The user on host D should be able to use a web browser to access financial information from the Finance Web Server. Other access from host C to Finance Web Server should be denied. No other hosts from the LAN nor the Core should be able to access the Finance Web Server. All hosts from the LAN nor the Core should able to access public web server.

    The task is to create and apply a numbered access-list with no more than three statements that will allow ONLY host D should be able to use a web browser(HTTP)to access the Finance Web Server. Other types of access from host D to the Finance Web Server should be blocked. All access from hosts in the Core or local LAN to the Finance Web Server should be blocked. All hosts in the Core and local LAN should be able to access the Public Web Server.

    access-list 100 permit tcp host 192.168.33.3 host 172.22.242.23 eq 80
    access-list 100 deny ip any host 172.22.242.23
    access-list 100 permit ip any any

    QUESTION 253
    Drag and Drop Question

    Answer:

    QUESTION 254
    Drag and Drop Question

    Answer:

    QUESTION 255
    Drag and Drop Question

    Answer:

    QUESTION 256
    Hotspot Question

    Which will fix the issue and allow ONLY ping to work while keeping telnet disabled?

    A.    Correctly assign an IP address to interface fa0/1.
    B.    Change the ip access-group command on fa0/0 from “in* to “our.
    C.    Remove access-group 106 in from interface fa0/0 and add access-group 115 in.
    D.    Remove access-group 102 out from interface s0/0/0 and add access-group 114 in
    E.    Remove access-group 106 in from interface fa0/0 and add access-group 104 in.

    Answer: E
    Explanation:
    Let’s have a look at the access list 104:

    The question does not ask about ftp traffic so we don’t care about the two first lines. The 3rd line denies all telnet traffic and the 4th line allows icmp traffic to be sent (ping). Remember that the access list 104 is applied on the inbound direction so the 5th line “access-list 104 deny icmp any any echo-reply” will not affect our icmp traffic because the “echo-reply” message will be sent over the outbound direction.

    QUESTION 257
    Hotspot Question

    What would be the effect of issuing the command ip access-group 114 in to the fa0/0 interface?

    A.    Attempts to telnet to the router would fail.
    B.    It would allow all traffic from the 10.4.4.0 network.
    C.    IP traffic would be passed through the interface but TCP and UDP traffic would not.
    D.    Routing protocol updates for the 10.4.4.0 network would not be accepted from the fa0/0 interface.

    Answer: B
    Explanation:
    From the output of access-list 114: access-list 114 permit ip 10.4.4.0 0.0.0.255 any we can easily understand that this access list allows all traffic (ip) from 10.4.4.0/24 network

    QUESTION 258
    Hotspot Question

    What would be the effect of Issuing the command ip access-group 115 in on the s0/0/1 interface?

    A.    No host could connect to RouterC through s0/0/1.
    B.    Telnet and ping would work but routing updates would fail.
    C.    FTP, FTP-DATA, echo, and www would work but telnet would fail.
    D.    Only traffic from the 10.4.4.0 network would pass through the interface.

    Answer: A
    Explanation:
    First let’s see what was configured on interface S0/0/1:

    QUESTION 259
    Refer to the exhibit. Based on the information given, which switch will be elected root bridge and why?

    A.    Switch A, because it has the lowest MAC address
    B.    Switch A, because it is the most centrally located switch
    C.    Switch B, because it has the highest MAC address
    D.    Switch C, because it is the most centrally located switch
    E.    Switch C, because it has the lowest priority
    F.    Switch D, because it has the highest priority

    Answer: E

    QUESTION 260
    Lab Simulation Question – EIGRP

    Answer:
    First we should check the configuration of the ENG Router.
    Click the console PC “F” and enter the following commands.

    ENG> enable
    Password: cisco
    ENG# show running-config
    Building configuration…
    Current configuration : 770 bytes
    !
    version 12.2
    no service timestamps log datetime msec
    no service timestamps debug datetime msec
    no service password-encryption
    !
    hostname ENG
    !
    enable secret 5 $1$mERr$hx5rVt7rPNoS4wqbXKX7m0
    !
    interface FastEthernet0/0
    ip address 192.168.77.34 255.255.255.252
    duplex auto
    speed auto
    !
    interface FastEthernet0/1
    ip address 192.168.60.65 255.255.255.240
    duplex auto
    speed auto
    !
    interface FastEthernet1/0
    ip address 192.168.60.81 255.255.255.240
    duplex auto
    speed auto
    !
    router eigrp 22
    network 192.168.77.0
    network 192.168.60.0
    no auto-summary
    !
    ip classless
    !
    line con 0
    line vty 0 4
    login
    !
    end
    ENG#
    From the output above, we know that this router was wrongly configured with an autonomous number (AS) of 22. When the AS numbers among routers are mismatched, no adjacency is formed.
    (You should check the AS numbers on other routers for sure)
    To solve this problem, we simply re-configure router ENG router with the following commands:

    ENG# conf t
    ENG(config)# no router eigrp 22
    ENG(config)# router eigrp 12
    ENG(config-router)# network 192.168.60.0
    ENG(config-router)# network 192.168.77.0
    ENG(config-router)# no auto-summary
    ENG(config-router)# end
    ENG# copy running-config startup-config

    Second we should check the configuration of the MGT Router.
    Click the console PC “G” and enter the following commands.

    MGT> enable
    Password: cisco
    MGT# show running-config
    Building configuration…
    Current configuration : 1029 bytes
    !
    version 12.2
    no service timestamps log datetime msec
    no service timestamps debug datetime msec
    no service password-encryption
    !
    hostname MGT
    !
    enable secret 5 $1$mERr$hx5rVt7rPNoS4wqbXKX7m0
    !
    interface FastEthernet0/0
    ip address 192.168.77.33 255.255.255.252
    duplex auto
    speed auto
    !
    interface Serial0/0
    ip address 192.168.36.13 255.255.255.252
    clock rate 64000
    !
    interface Serial0/1
    ip address 192.168.60.25 255.255.255.252
    clock rate 64000
    !
    interface Serial1/0
    ip address 198.0.18.6 255.255.255.252
    !
    interface Serial1/1
    no ip address
    shutdown
    !
    interface Serial1/2
    no ip address
    shutdown
    !
    interface Serial1/3
    no ip address
    shutdown
    !
    router eigrp 12
    network 192.168.36.0
    network 192.168.60.0
    network 192.168.85.0
    network 198.0.18.0
    no auto-summary
    !
    ip classless
    ip route 0.0.0.0 0.0.0.0 198.0.18.5
    !
    line con 0
    line vty 0 4
    login
    !
    end
    MGT#

    Notice that it is missing a definition to the network ENG. Therefore we have to add it so that it can recognize ENG router

    MGT# conf t
    MGT(config)# router eigrp 12
    MGT(config-router)# network 192.168.77.0
    MGT(config-router)# end
    MGT# copy running-config startup-config

    Now the whole network will work well. You should check again with ping command from router ENG to other routers!

    In Short:

    ENG Router
    ENG>enable
    Password: cisco ENG# conf t
    ENG(config)# no router eigrp 22
    ENG(config)# router eigrp 12
    ENG(config-router)# network 192.168.60.0
    ENG(config-router)# network 192.168.77.0
    ENG(config-router)# no auto-summary
    ENG(config-router)# end
    ENG# copy running-config startup-config

    MGT Router
    MGT>enable
    Password: cisco MGT# conf t
    MGT(config)# router eigrp 12
    MGT(config-router)# network 192.168.77.0
    MGT(config-router)# end
    MGT# copy running-config startup-config

    Some Modification in Question
    After adding ENG router, no routing updates are being exchanged between MGT and the new location. All other inter connectivity for the existing locations of the company are working properly. But Internet connection for existing location including Remote1 and Remote2 networks are not working.
    Faults Identified:
    1. Incorrect Autonomous System Number configured in ENG router.
    2. MGT router does not advertise route to the new router ENG.
    3. Internet Connection is not working all stations.
    We need to correct the above two configuration mistakes to have full connectivity

    Steps:
    1. ENG Router: Change the Autonomous System Number of ENG
    2. Perimiter Router: Add the network address of interface of Permiter that link between MGT and ENG.
    3. Perimiter Router: Add default route and default-network.

    Check the IP Address of S1/0 interface of MGT Router using show running-config command. (The interfaced used to connect to the ISP)
    !
    interface Serial1/0
    ip address 198.0.18.6 255.255.255.252
    !

    For Internet sharing we have create a default route, and add default-network configuration. The IP address is 198.0.18.6/30. Then the next hop IP will be 198.0.18.5.

    ENG Router
    ENG>enable
    Password: cisco ENG# conf t
    ENG(config)# no router eigrp 22
    ENG(config)# router eigrp 12
    ENG(config-router)# network 192.168.60.0
    ENG(config-router)# network 192.168.77.0
    ENG(config-router)# no auto-summary
    ENG(config-router)# end
    ENG# copy running-config startup-config

    MGT Router
    MGT>enable
    Password: cisco MGT# conf t
    MGT(config)# router eigrp 12
    MGT(config-router)# network 192.168.77.0
    MGT(config-router)# exit

    MGT(config)# ip route 0.0.0.0 0.0.0.0 198.0.18.5
    MGT(config)# ip default-network 198.0.18.0
    MGT(config)# exit
    MGT# copy running-config startup-config

    Important:
    If you refer the topology and IP chart, the MGT router uses Fa0/0 to connect ENG router, S0/0 used to connect Remote1, and S0/1 used to connect Remote2.

    Refer to the command show running-config, the command #PASSIVE-INTERFACE <Interface Name> will deny EIGRP updates to specified interface. In that case we need to use #no passive-interface <Interface Name> to allow the routing updates to be passed to that interface. For example when used the #show run command and we see the output like below.
    !
    router eigrp 22
    network 192.168.77.0
    network 192.168.60.0
    passive-interface FastEthernet 0/0
    passive-interface Serial 1/0
    no auto-summary
    !

    Then the command would be

    MGT(config)#router eigrp 12
    MGT(config-router)#no passive-interface Fa0/0
    MGT(config-router)#end

    Also MGT router connect to the ISP router using Serial 1/0. If you seen passive-interface s1/0, then do not remove it using #no passive-interface s1/0 command.

    QUESTION 261
    Lab Simulation Question – CLI
    Central Florida Widgets recently installed a new router in their office. Complete the network installation by performing the initial router configurations and configuring R1PV2 routing using the router command line interface (CLI) on the RC.
    Configure the router per the following requirements:

    – Name of the router is R2
    – Enable.secret password is cisco
    – The password to access user EXEC mode using the console is cisco2
    – The password to allow telnet access to the router is cisco3

    IPV4 addresses mast be configured as follows:

    – Ethernet network 209.165.201.0/27 – router has fourth assignable host address in subnet
    – Serial network is 192.0.2.176/28 – router has last assignable host address in the subnet.
    – Interfaces should be enabled.
    – Router protocol is RIPV2

    Attention:
    In practical examinations, please note the following, the actual information will prevail.

    1. Name or the router is xxx
    2. EnablE. secret password is xxx
    3. Password In access user EXEC mode using the console is xxx
    4. The password to allow telnet access to the router is xxx
    5. IP information

    Answer:
    Step 1:
    Click on the console host, you will get a pop-up screen CLI of Router.

    Router>

    Configure the new router as per the requirements provided in Lab question
    Requirement 1:
    Name of the router is R2

    Step 2:
    To change the hostname of the router to R2 follow the below steps:

    Router>
    Router>enable
    Router#configure terminal
    Router(config)#hostname R2
    R2(config)#

    Requirement 2:
    Enable-secret password is cisco1

    Step 3:
    To set the enable secret password to cisco1 use the following command

    R2(config)#enable secret cisco1

    Requirement 3:
    The password to access user EXEC mode using the console is cisco2

    Step 4:
    We need to configure the line console 0 with the password cisco2
    Also remember to type login command after setting up the password on line con 0 which allows router to accept logins via console.

    R2(config)#line con 0
    R2(config-line)#password cisco2
    R2(config-line)#login
    R2(config-line)#exit
    R2(config)#

    Requirement 4:
    The password to allow telnet access to the router is cisco3

    Step 5:
    To allow telnet access we need to configure the vty lines 0 4 with the password cisco3
    Also remember to type login command after setting up the password on line vty 0 4 which allows router to accept logins via telnet.

    R2(config)#line vty 0 4
    R2(config-line)#password cisco3
    R2(config-line)#login
    R2(config-line)#exit
    R2(config)#

    Requirement 5:
    (5.1) Ethernet network 209.165.201.0 /27 – Router has the fourth assignable host address in subnet.
    (5.2) Serial Network is 192.0.2.176 /28 – Router has the last assignable host address in subnet.

    Step 6:
    Ethernet network 209.165.201.0 /27 – Router has the fourth assignable host address in subnet.
    Ethernet Interface on router R2 is Fast Ethernet 0/0 as per the exhibit
    First we need to identify the subnet mask
    Network: 209.165.201.0 /27
    Subnet mask: /27: 27 bits = 8 + 8 + 8 + 3
    =8(bits).8(bits).8(bits) .11100000 (3bits)
    =255.255.255.11100000
    =11100000 = 128+64+32+0+0+0+0+0
    = 224
    Subnet mask: 255.255.255.224
    Different subnet networks and there valid first and last assignable host address range for above subnet mask are
    Subnet Networks :::::: Valid Host address range :::::: Broadcast address
    209.165.201.0 :::::: 209.165.201.1 – 209.165.201.30 ::::: 209.165.201.31
    209.165.201.32 :::::: 209.165.201.33 – 209.165.201.62 ::::: 209.165.201.63
    209.165.201.64 :::::: 209.165.201.65 – 209.165.201.94 :::::: 209.165.201.95
    209.165.201.96 :::::: 209.165.201.97 – 209.165.201.126 :::::: 209.165.201.127
    209.165.201.128 :::::: 209.165.201.129 – 209.165.201.158 :::::: 209.165.201.159
    209.165.201.160 :::::: 209.165.201.161 – 209.165.201.190 :::::: 209.165.201.191
    209.165.201.192 :::::: 209.165.201.193 – 209.165.201.222 :::::: 209.165.201.223
    209.165.201.224 :::::: 209.165.201.225 – 209.165.201.254 :::::: 209.165.201.255
    Use above table information for network 209.165.201.0 /27 to identify
    First assignable host address: 209.165.201.1
    Last assignable host address: 209.165.201.30
    Fourth assignable host address: 209.165.201.4
    This IP address (209.165.201.4) which we need to configure on Fast Ethernet 0/0 of the router using the subnet mask 255.255.255.224

    R2(config)#interface fa 0/0
    R2(config-if)#ip address 209.165.201.4 255.255.255.224

    Requirement 6:
    To enable interfaces
    Use no shutdown command to enable interfaces

    R2(config-if)#no shutdown
    R2(config-if)#exit

    Step 7:
    Serial Network is 192.0.2.176 /28 – Router has the last assignable host address in subnet.
    Serial Interface on R2 is Serial 0/0/0 as per the exhibit
    First we need to identify the subnet mask
    Network: 192.0.2.176 /28
    Subnet mask: /28: 28bits = 8bits+8bits+8bits+4bits
    =8(bits).8(bits).8(bits) .11110000 (4bits)
    =255.255.255.11100000
    =11100000 = 128+64+32+16+0+0+0+0
    = 240
    Subnet mask: 255.255.255.240
    Different subnet networks and there valid first and last assignable host address range for above subnet mask are
    Subnet  Networks ::::: Valid Host address ::::::::::: Broadcast address
    192.0.2.0 :::::: 192.0.2.1 – 192.0.2.14 ::::::: 192.0.2.15
    192.0.2.16 ::::::: 192.0.2.17 – 192.0.2.30 ::::::: 192.0.2.31
    192.0.2.32 :::::::: 192.0.2.33 – 192.0.2.46 :::::: 192.0.2.47
    192.0.2.48 :::::: 192.0.2.49 – 192.0.2.62 ::::::: 192.0.2.64
    192.0.2.64 ::::::: 192.0.2.65 – 192.0.2.78 ::::::: 192.0.2.79
    192.0.2.80 :::::::: 192.0.2.81 – 192.0.2.94 :::::: 192.0.2.95
    192.0.2.96 :::::: 192.0.2.97 – 192.0.2.110 ::::::: 192.0.2.111
    192.0.2.112 ::::::: 192.0.2.113 – 192.0.2.126 ::::::: 192.0.2.127
    192.0.2.128 :::::::: 192.0.2.129 – 192.0.2.142 :::::: 192.0.2.143
    192.0.2.144 :::::: 192.0.2.145 – 192.0.2.158 ::::::: 192.0.2.159
    192.0.2.160 ::::::: 192.0.2.161 – 192.0.2.174 ::::::: 192.0.2.175
    192.0.2.176 :::::::: 192.0.2.177 – 192.0.2.190 :::::: 192.0.2.191
    and so on ….
    Use above table information for network 192.0.2.176 /28 to identify
    First assignable host address: 192.0.2.177
    Last assignable host address: 192.0.2.190
    We need to configure Last assignable host address (192.0.2.190) on serial 0/0/0 using the subnet mask 255.255.255.240

    R2(config)#interface serial 0/0/0
    R2(config-if)#ip address 192.0.2.190 255.255.255.240

    Requirement 6:
    To enable interfaces
    Use no shutdown command to enable interfaces

    R2(config-if)#no shutdown
    R2(config-if)#exit

    Requirement 7:
    Router protocol is RIPv2

    Step 8:
    Need to enable RIPv2 on router and advertise its directly connected networks

    R2(config)#router rip

    To enable RIP v2 routing protocol on router use the command version 2

    R2(config-router)#version 2

    Optional: no auto-summary (Since LAB networks do not have discontinuous networks)
    RIP v2 is classless, and advertises routes including subnet masks, but it summarizes routes by default.
    So the first things we need to do when configuring RIP v2 is turn off auto-summarization with the router command no auto-summary if you must perform routing between disconnected subnets.

    R2 (config-router) # no auto-summary

    Advertise the serial 0/0/0 and fast Ethernet 0/0 networks into RIP v2 using network command

    R2(config-router)#network 192.0.2.176
    R2(config-router)#network 209.165.201.0
    R2(config-router)#end

    Step 9:
    Important please do not forget to save your running-config to startup-config

    R2# copy running-config startup-config

    QUESTION 262
    Lab Simulation Question – ACL-4

    Answer:

    Corp1>enable
    Corp1#configure terminal
    Corp1(config)#access-list 100 permit tcp host 192.168.33.3 host 172.22.242.23 eq 80
    Corp1(config)#access-list 100 deny tcp any host 172.22.242.23 eq 80
    Corp1(config)#access-list 100 permit ip any any
    Corp1(config)#interface fa 0/1 sh ip int brief
    Corp1(config-if)#ip access-group 100 out
    Corp1(config-if)#end
    Corp1#copy running-config startup-config

    Explanation:

    Select the console on Corp1 router
    Configuring ACL

    Corp1>enable
    Corp1#configure terminal

    Comment: To permit only Host C (192.168.33.3){source addr} to access finance server address (172.22.242.23) {destination addr} on port number 80 (web)

    Corp1(config)#access-list 100 permit tcp host 192.168.33.3 host 172.22.242.23 eq 80
    Comment: To deny any source to access finance server address (172.22.242.23) {destination addr} on port number 80 (web)

    Corp1(config)#access-list 100 deny tcp any host 172.22.242.23 eq 80

    Comment: To permit ip protocol from any source to access any destination because of the implicit deny any any statement at the end of ACL.

    Corp1(config)#access-list 100 permit ip any any

    Applying the ACL on the Interface
    Comment: Check show ip interface brief command to identify the interface type and number by checking the IP address configured.

    Corp1(config)#interface fa 0/1

    If the ip address configured already is incorrect as well as the subnet mask. this should be corrected in order ACL to work type this commands at interface mode :
    no ip address 192.x.x.x 255.x.x.x (removes incorrect configured ipaddress and subnet mask) Configure Correct IP Address and subnet mask:
    ip address 172.22.242.30 255.255.255.240 ( range of address specified going to server is given as 172.22.242.17 – 172.22.242.30 )
    Comment: Place the ACL to check for packets going outside the interface towards the finance web server.

    Corp1(config-if)#ip access-group 100 out
    Corp1(config-if)#end

    Important: To save your running config to startup before exit.

    Corp1#copy running-config startup-config

    Verifying the Configuration:
    Step1: show ip interface brief command identifies the interface on which to apply access list. Step2: Click on each host A,B,C & D . Host opens a web browser page , Select address box of the web browser and type the ip address of finance web server(172.22.242.23) to test whether it permits /deny access to the finance web Server .
    Step 3: Only Host C (192.168.33.3) has access to the server . If the other host can also access then maybe something went wrong in your configuration . check whether you configured correctly and in order.
    Step 4: If only Host C (192.168.33.3) can access the Finance Web Server you can click on NEXT button to successfully submit the ACL SIM.

    QUESTION 263
    Lab Simulation Question – ACL-2

    Answer:

    Corp1#conf t
    Corp1(config)# access-list 128 permit tcp host 192.168.240.1 host 172.22.141.26 eq www Corp1(config)# access-list 128 deny tcp any host 172.22.141.26 eq www
    Corp1(config)# access-list 128 permit ip any any
    Corp1(config)#int fa0/1
    Corp1(config-if)#ip access-group 128 out
    Corp1(config-if)#end
    Corp1#copy run startup-config

    QUESTION 264
    Lab Simulation Question – ACL-3

    Answer:

    Corp1>enable
    Corp1#configure terminal
    Corp1(config)#access-list 100 permit tcp host 192.168.33.3 host 172.22.242.23 eq 80
    Corp1(config)#access-list 100 deny tcp 192.168.33.0 0.0.0.255 host 172.22.242.23 eq 80
    Corp1(config)#access-list 100 permit ip any any
    Corp1(config)#interface fa 0/1 sh ip int brief
    Corp1(config-if)#ip access-group 100 out
    Corp1(config-if)#end
    Corp1#copy running-config startup-config

    Explanation:

    Select the console on Corp1 router
    Configuring ACL

    Corp1 >enable
    Corp1#configure terminal

    comment: To permit only Host C (192.168. 33. 3){source addr} to access finance server address (172.22. 242. 23){destination addr} on port number 80 (web)

    Corp1(config)#access-list 100 permit tcp host 192.168.33.3 host 172.22.242.23 eq 80

    Comment: To deny any source to access finance server address (172. 22. 242. 23) {destination addr} on port number 80 (web)

    Corp1(config)#access-list 100 deny tcp any host 172.22.242.23 eq 80

    Comment: To permit ip protocol from any source to access any destination because of the implicit deny any any statement at the end of ACL.

    Corp1(config)#access-list 100 permit ip any any

    Applying the ACL on the Interface
    comment: Check show ip interface brief command to identify the interface type and number by checking the IP address configured.

    Corp1(config)#interface fa 0/1

    If the ip address configured already is incorrect as well as the subnet mask, this should be corrected in order ACL to work type this commands at interface mode :
    no ip address 192. x. x. x 255. x. x. x (removes incorrect configured ip address and subnet mask) Configure Correct IP Address and subnet mask:
    ip address 172. 22. 242. 30 255. 255. 255. 240 (range of address specified going to server is given as 172. 22. 242. 17-172. 22. 242. 30 )
    Comment: Place the ACL to check for packets going outside the interface towards the finance web server.

    Corp1(config-if)#ip access-group 100 out
    Corp1(config-if)#end

    Important: To save your running config to startup before exit.

    Corp1#copy running-config startup- config

    Verifying the Configuration:

    Step1: show ip interface brief command identifies the interface on which to apply access list. Step2: Click on each host A,B,C & D. Host opens a web browser page, Select address box of the web browser and type the ip address of finance web server(172. 22. 242. 23) to test whether it permits /deny access to the finance web Server.
    Step 3: Only Host C (192.168. 33. 3) has access to the server. If the other host can also access then maybe something went wrong in your configuration check whether you configured correctly and in order.
    Step 4: If only Host C (192.168. 33. 3) can access the Finance Web Server you can click on NEXT button to successfully submit the ACL SIM.

    QUESTION 265
    Lab Simulation Question – NAT-1

    A network associate is configuring a router for the weaver company to provide internet access. The ISP has provided the company six public IP addresses of 198.18.184.105 198.18.184.110. The company has 14 hosts that need to access the internet simultaneously. The hosts in the company LAN have been assigned private space addresses in the range of 192.168.100.17 ?192.168.100.30.

    Answer:
    The company has 14 hosts that need to access the internet simultaneously but we just have 6 public IP addresses from 198.18.184.105 to 198.18.184.110/29.
    Therefore we have to use NAT overload (or PAT)
    Double click on the Weaver router to open it

    Router>enable
    Router#configure terminal

    First you should change the router’s name to Weaver

    Router(config)#hostname Weaver

    Create a NAT pool of global addresses to be allocated with their netmask.
    Weaver(config)#ip nat pool mypool 198.18.184.105 198.18.184.110 netmask 255.255.255.248

    Create a standard access control list that permits the addresses that are to be translated

    Weaver(config)#access-list 1 permit 192.168.100.16 0.0.0.15

    Establish dynamic source translation, specifying the access list that was defined in the prior step

    Weaver(config)#ip nat inside source list 1 pool mypool overload

    This command translates all source addresses that pass access list 1, which means a source address from 192.168.100.17 to 192.168.100.30, into an address from the pool named mypool (the pool contains addresses from 198.18.184.105 to 198.18.184.110)
    Overload keyword allows to map multiple IP addresses to a single registered IP address (many-to-one) by using different ports
    The question said that appropriate interfaces have been configured for NAT inside and NAT outside statements.
    This is how to configure the NAT inside and NAT outside, just for your understanding:

    Weaver(config)#interface fa0/0
    Weaver(config-if)#ip nat inside
    Weaver(config-if)#exit
    Weaver(config)#interface s0/0
    Weaver(config-if)#ip nat outside
    Weaver(config-if)#end

    Finally, we should save all your work with the following command:

    Weaver#copy running-config startup-config

    Check your configuration by going to “Host for testing” and type:
    C :\>ping 192.0.2.114

    The ping should work well and you will be replied from 192.0.2.114

    QUESTION 266
    Lab Simulation Question – NAT-2
    A network associate is configuring a router for the Weaver company to provide internet access. The ISP has provided the company six public IP addresses of 198.18.184.105 – 198.18.184.110. The company has 14 hosts that need to access the internet simultaneously. The hosts in the company LAN have been assigned private space addresses in the range of 192.168.100.17 – 192.168.100.30.

    The following have already been configured on the router:

    The basic router configuration
    The appropriate interfaces have been configured for NAT inside and NAT outside
    The appropriate static routes have also been configured (since the company will be a stub network, no routing protocol will be required.)
    All passwords have been temporarily set to “cisco”

    The task is to complete the NAT configuration using all IP addresses assigned by the ISP to provide internet access for the hosts in the weaver LAN. Functionality can be tested by clicking on the host provided for testing.

    Configuration information:

    Router name    –    Weaver
    Inside global addresses    –    198.18.184.105 – 198.18.184.110 /29
    Inside local addresses    –    192.168.100.17 – 192.168.100.30 /28
    Number of inside hosts    –    14

    Answer:

    Step 1: Router Name

    Router>enable
    Router#configure terminal
    Router(config)#hostname Weaver
    Weaver(config)#

    Step 2: NAT Configuration

    Weaver(config)#access-list 10 permit 192.168.100.16 0.0.0.15
    Weaver(config)#ip nat pool  mynatpool 198.18.184.105 198.18.184.110 netmask 255.255.255.248
    Weaver(config)#ip nat inside source list 10 pool mynatpool overload
    Weaver(config)#end

    Step 3: Save Configuration

    Weaver#copy run start

    Verification:

    We can verify the answer by pinging the ISP IP Address (192.0.2.114) from Host for testing.

    Click “Host for testing”

    In command prompt, type “ping 192.0.2.114”. If ping succeeded then the NAT is working properly.

    Screen Shots:

    QUESTION 267
    In a switched environment, what does the IEEE 802.1Q standard describe?

    A.    the operation of VTP
    B.    a method of VLAN trunking
    C.    an approach to wireless LAN communication
    D.    the process for root bridge selection
    E.    VLAN pruning

    Answer: B
    Explanation:
    A broadcast domain must sometimes exist on more than one switch in the network. To accomplish this, one switch must send frames to another switch and indicate which VLAN a particular frame belongs to. On Cisco switches, a trunk link is created to accomplish this VLAN identification. ISL and IEEE 802.1Q are different methods of putting a VLAN identifier in a Layer 2 frame. The IEEE 802.1Q protocol interconnects VLANs between multiple switches, routers, and servers. With 802.1Q, a network administrator can define a VLAN topology to span multiple physical devices.
    Cisco switches support IEEE 802.1Q for FastEthernet and Gigabit Ethernet interfaces. An 802.1Q trunk link provides VLAN identification by adding a 4-byte tag to an Ethernet Frame as it leaves a trunk port.

    QUESTION 268
    What are three benefits of GLBP? (Choose three.)

    A.    GLBP supports up to eight virtual forwarders per GLBP group.
    B.    GLBP supports clear text and MD5 password authentication between GLBP group members.
    C.    GLBP is an open source standardized protocol that can be used with multiple vendors.
    D.    GLBP supports up to 1024 virtual routers.
    E.    GLBP can load share traffic across a maximum of four routers.
    F.    GLBP elects two AVGs and two standby AVGs for redundancy.

    Answer: BDE

    QUESTION 269
    Which three statements about HSRP operation are true? (Choose three.)

    A.    The virtual IP address and virtual MA+K44C address are active on the HSRP Master router.
    B.    The HSRP default timers are a 3 second hello interval and a 10 second dead interval.
    C.    HSRP supports only clear-text authentication.
    D.    The HSRP virtual IP address must be on a different subnet than the routers’ interfaces on the same LAN.
    E.    The HSRP virtual IP address must be the same as one of the router’s interface addresses on the LAN.
    F.    HSRP supports up to 255 groups per interface, enabling an administrative form of load balancing.

    Answer: ABF
    Explanation:
    The virtual MAC address of HSRP version 1 is 0000.0C07.ACxx, where xx is the HSRP group number in hexadecimal based on the respective interface. For example, HSRP group 10 uses the HSRP virtual MAC address of 0000.0C07.AC0A. HSRP version 2 uses a virtual MAC address of 0000.0C9F.FXXX (XXX: HSRP group in hexadecimal)

    QUESTION 270
    Which three statements about Syslog utilization are true? (Choose three.)

    A.    Utilizing Syslog improves network performance.
    B.    The Syslog server automatically notifies the network administrator of network problems.
    C.    A Syslog server provides the storage space necessary to store log files without using router disk space.
    D.    There are more Syslog messages available within Cisco IOS than there are comparable SNMP trap messages.
    E.    Enabling Syslog on a router automatically enables NTP for accurate time stamping.
    F.    A Syslog server helps in aggregation of logs and alerts.

    Answer: CDF

    QUESTION 271
    A network administrator enters the following command on a router: logging trap 3. What are three message types that will be sent to the Syslog server? (Choose three.)

    A.    informational
    B.    emergency
    C.    warning
    D.    critical
    E.    debug
    F.    error

    Answer: BDF

    QUESTION 272
    What is the default Syslog facility level?

    A.    local4
    B.    local5
    C.    local6
    D.    local7

    Answer: D

    QUESTION 273
    What command instructs the device to timestamp Syslog debug messages in milliseconds?

    A.    service timestamps log datetime localtime
    B.    service timestamps debug datetime msec
    C.    service timestamps debug datetime localtime
    D.    service timestamps log datetime msec

    Answer: B
    Explanation:
    The “service timestamps debug” command configures the system to apply a time stamp to debugging messages. The time-stamp format for datetime is MMM DD HH:MM:SS, where MMM is the month, DD is the date, HH is the hour (in 24-hour notation), MM is the minute, and SS is the second. With the additional keyword msec, the system includes milliseconds in the time stamp, in the format HH:DD:MM:SS.mmm, where .mmm is milliseconds

    QUESTION 274
    Refer to the exhibit. What is the cause of the Syslog output messages?

    A.    The EIGRP neighbor on Fa0/1 went down due to a failed link.
    B.    The EIGRP neighbor connected to Fa0/1 is participating in a different EIGRP process, causing the adjacency
    to go down.
    C.    A shut command was executed on interface Fa0/1, causing the EIGRP adjacency to go down.
    D.    Interface Fa0/1 has become error disabled, causing the EIGRP adjacency to go down.

    Answer: C

    QUESTION 275
    What are three components that comprise the SNMP framework? (Choose three.)

    A.    MIB
    B.    agent
    C.    set
    D.    AES
    E.    supervisor
    F.    manager

    Answer: ABF

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    QUESTION 226
    What is known as “one-to-nearest” addressing in IPv6?

    A.    global unicast
    B.    anycast
    C.    multicast
    D.    unspecified address

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    QUESTION 201
    Refer to the exhibit. Which statement describes DLCI 17?

     

    A.    DLCI 17 describes the ISDN circuit between R2 and R3.
    B.    DLCI 17 describes a PVC on R2. It cannot be used on R3 or R1.
    C.    DLCI 17 is the Layer 2 address used by R2 to describe a PVC to R3.
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    QUESTION 176
    Which port state is introduced by Rapid-PVST?

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    QUESTION 151
    Refer to exhibit. A network administrator cannot establish a Telnet session with the indicated router. What is the cause of this failure?
     
    A.    A Level 5 password is not set.
    B.    An ACL is blocking Telnet access.
    C.    The vty password is missing.
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    QUESTION 126
    Which commands are required to properly configure a router to run OSPF and to add network 192.168.16.0/24 to OSPF area 0? (Choose two.)

    A.    Router(config)# router ospf 0
    B.    Router(config)# router ospf 1
    C.    Router(config)# router ospf area 0
    D.    Router(config-router)# network 192.168.16.0 0.0.0.255 0
    E.    Router(config-router)# network 192.168.16.0 0.0.0.255 area 0
    F.    Router(config-router)# network 192.168.16.0 255.255.255.0 area 0

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    QUESTION 101
    Refer to the exhibit. The Lakeside Company has the internetwork in the exhibit. The administrator would like to reduce the size of the routing table on the Central router. Which partial routing table entry in the Central router represents a route summary that represents the LANs in Phoenix but no additional subnets?

     
    A.    10.0.0.0/22 is subnetted, 1 subnets
    D 10.0.0.0 [90/20514560] via 10.2.0.2, 6w0d, Serial0/1
    B.    10.0.0.0/28 is subnetted, 1 subnets
    D 10.2.0.0 [90/20514560] via 10.2.0.2, 6w0d, Serial0/1
    C.    10.0.0.0/30 is subnetted, 1 subnets
    D 10.2.2.0 [90/20514560] via 10.2.0.2, 6w0d, Serial0/1
    D.    10.0.0.0/22 is subnetted, 1 subnets
    D 10.4.0.0 [90/20514560] via 10.2.0.2, 6w0d, Serial0/1
    E.    10.0.0.0/28 is subnetted, 1 subnets
    D 10.4.4.0 [90/20514560] via 10.2.0.2, 6w0d, Serial0/1
    F.    10.0.0.0/30 is subnetted, 1 subnets
    D 10.4.4.4 [90/20514560] via 10.2.0.2, 6w0d, Serial0/1

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