642-885 Dumps

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QUESTION 101
The core routers within a transit AS are running both IBGP and IGP. The edge routers within the transit AS are using the next-hop-self option to establish the IBGP sessions. What can be implemented to improve the routing performance to all external prefixes?

A.    enable route redistribution from BGP into IGP
B.    disable BGP synchronization on all the core routers
C.    enable CEF on all the core and edge routers
D.    enable route redistribution from IGP into BGP
E.    use route reflectors within the core

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QUESTION 81
Refer to the exhibit. Which three statements are correct regarding the Cisco IOS-XR configuration? (Choose three.)

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QUESTION 61
A network engineer for an ISP wants to reduce the number of iBGP adjacencies.
A merge is taking place with another ISP network, so the network engineer needs to make both ASNs look like a single network for the Internet. Which BGP technology is most suitable?

A.    route reflector
B.    confederation
C.    clustering
D.    peer group

(more…)

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QUESTION 41
R1 is designated as the PIM RP within the SP core. Which two configuration parameters must be used to enable and activate R1 as the BSR and RP for the core environment? (Choose two.)

A.    ip pim send-rp-announce loopback0 scope 16
B.    ip pim bsr-candidate loopback0
C.    ip pim send-rp-discovery loopback0 scope 16
D.    ip pim rp-candidate loopback0
E.    ip pim send-RP-announce loopback0 scope 16 group-list 1

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QUESTION 21
Which three statements regarding NAT64 operations are correct? (Choose three.)

A.    With stateful NAT64, many IPv6 address can be translated into one IPv4 address, thus IPv4 address conservation is achieved
B.    Stateful NAT64 requires the use of static translation slots so IPv6 hosts and initiate connections to IPv4 hosts.
C.    With stateless NAT64, the source and destination IPv4 addresses are embedded in the IPv6 addresses
D.    NAT64 works in conjunction with DNS64
E.    Both the stateful and stateless NAT64 methods will conserve IPv4 address usage

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Following questions and answers are all new published by Cisco Official Exam Center: http://www.lead2pass.com/642-885.html

QUESTION 1
Which two attributes does BGP select before MED? (Choose two.)

A.    local preference
B.    weight
C.    lowest router ID
D.    lowest neighbor IP
E.    oldest route

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