JN0-647 exam question

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    QUESTION 41
    Which policy statement will be applied to neighbor 172.16.4.2?

    A.    policy-statement all and policy -statement agg
    B.    policy-statement agg
    C.    policy-statement all and policy -statement atat
    D.    policy-statement atat (more…)

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    QUESTION 31
    Click the Exhibit.

    311

    312

    You have deployed the access control configuration to the distribution switch.

    Referring to the exhibit, which statement is true?

    A.    All hosts connected to the access switch require authentication to access the network.
    B.    All hosts connected to the access switch will have access to the network after one host authenticates.
    C.    All hosts connected to the access switch will have access to the network without authentication.
    D.    Only the first host to authenticate will have access to the network, other hosts will be blocked.

    Answer: B

    QUESTION 32
    Click the Exhibit.

    321

    Referring to the exhibit, traffic from User-1 is being forwarded to Server-1 with DSCP values that must be written. You must maintain the rewritten DSCP values throughout the network.

    Which statement is correct in this scenario?

    A.    At a minimum, you must rewrite the DSCP values on R1.
    B.    At a minimum, you must rewrite the DSCP values on R1 and R4.
    C.    At a minimum, you must rewrite the DSCP values on R1, R2, and R3.
    D.    At a minimum, you must rewrite the DSCP values on R4.

    Answer: D

    QUESTION 33
    Click the Exhibit.

    331

    You are adding a Junos Fusion satellite device but one cascade port is not coming on line.

    Referring to the exhibit, what would cause this problem?

    A.    The satellite device is not an EX4300.
    B.    The cascade ports need to be on the same line card.
    C.    The FPC number must match the FPC connecting to the satellite device.
    D.    Interface xe-8/2/1 is in a link down state.

    Answer: D

    QUESTION 34
    In Layer 2 environment where 802.1X is deployed with its default parameters on EX Series, which two statements are correct? (Choose two.)

    A.    RADIUS authentication requests are sent from authenticator to the authentication server.
    B.    DHCP traffic from supplicants is denied by default through the authenticator.
    C.    RADIUS authentication requests are sent from the supplicant to the authentication server.
    D.    DHCP traffic from supplicants is permitted by default through the authenticator.

    Answer: AB

    QUESTION 35
    Click the Exhibit.

    351

    Your network is experiencing congestion across the link between R2 and R3. You must make changes to alleviate traffic congestion from R3 to R2.

    Referring to the exhibit, which two commands would accomplish this task? (Choose two.)

    A.    [edit protocol ospf]
    user@R1# set reference-bandwidth 10g
    B.    [edit protocol ospf]
    user@R3# set reference-bandwidth 10g
    C.    [edit protocols ospf area 0.0.0.0 ]
    user@R1# set interface fe-1/0/1 metric 5
    D.    [edit protocols ospf area 0.0.0.0 ]
    user@R3# set interface fe-1/0/1 metric 5

    Answer: BD

    QUESTION 36
    Which two statements are correct about using LLDP on junos devices? (Choose two)

    A.    LLDP operates on layer 2 and layer 3 interfaces
    B.    LLDP can interoperate with the cisco discovery protocol CDP
    C.    LLDP is enabled on all devices by default
    D.    LLDP operates on layer 2 interfaces

    Answer: AC

    QUESTION 37
    You have certainly implemented the configuration shown in the exhibit. After committing these changes, the community devices connected to AS-1 are not able to communicate with the appropriate community devices connected to AS-2.
    What must be done to allow these community devices to communicate?

    A.    You must configure an isolation VLAN ID Under the pvlan-200 on the AS2
    B.    switch You must configure the ge-0/0/10 interface on AS1 AS THE VPLAN on both switches
    C.    You must configure an isolation VLAN ID under the VLAN 200 ON both switches
    D.    You must configure the ge-0/012 interface on both switches as P VLAN trunks

    Answer: D

    QUESTION 38
    Which two statements is true regarding the next hop attribute? (Choose two)

    A.    it is not changed when sent across EBGP sessions
    B.    it is changed to self for IBGP routes learned from EBGP
    C.    it is not changed for IGBP routes learned from EBGP
    D.    it is Changed by default when sent across EBGP sessions

    Answer: CD

    QUESTION 39
    Your enterprise network is providing layer 2 connectivity between remote-sites using Q-in- Q tunneling. A customer wants to ensure their connection through your network is also participating in their spanning free topology. In this scenario, which solution must be used?

    A.    you must configure the Q in Q tunnel to use L2PT to tunnel STP packets
    B.    you must configure the same isolation ID on both sides of the tunnel
    C.    you must configure spanning tree on the interfaces connected to the customers sites
    D.    you must configure spanning tree to tunnel packets

    Answer: A

    QUESTION 40
    You want to deploy MSTP with multiple regions. Each region should have a unique root bridge to accommodate a set of VLANs. Which three configuration elements must watch on switches participating in this deployment scenario? (Choose three)

    A.    MSTI toVLAN mapping
    B.    revision level
    C.    CST BPDU parameters
    D.    configuration name
    E.    bridge priority

    Answer: ABD

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    QUESTION 21
    You are asked to merge a RIP network with your OSPF network. As a first step, you establish connectivity between the RIP network and the OSPF network. The RIP network connects to an NSSA area. Which two statements are true in this scenario? (Choose two.)

    A.    To share RIP routes with the OSPF network, an export policy will be required on the ABR.
    B.    To share RIP routes with the OSPF network, an export policy will be required on the ASBR.
    C.    By default, external OSPF routes have a higher route preference than RIP routes.
    D.    Be default, RIP routes have a higher route preference than external OSPF routes. (more…)

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    QUESTION 11
    Which three databases are used by the Dijkstra algorithm? (Choose three.)

    A.    Tree database
    B.    Link State Database
    C.    Candidate database
    D.    MAC database
    E.    Configuration database (more…)

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    QUESTION 1
    Your campus EX9200 core devices are highly oversubscribed on bandwidth ans reporting massive dropped packets. To immediately address the issue, you decide to implement shaping on all interfaces.

    Which action will accomplish?

    A.    Apply the input-shape-rate 5G parameter to all interfaces under the [edit class-of service] hierarchy.
    B.    Define a CoS input traffic control profile with the shape-rate 5G parameter and apply it to all interfaces.
    C.    Define a CoS output traffic control profile with the shape-rate 5G parameter and apply it to all interfaces.
    D.    Apply the shape-rate 5G parameter to all interfaces under the [edit class-of service] hierarchy.] Answer: C

    (more…)