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QUESTION 51
What does the SNMP object “ospfNbrTable” provide?

A.    a table of nonvirtual neighbor information
B.    a list of neighbors for the OSPF interface
C.    area border list of neighbors
D.    a list of OSPF-to-NetBIOS exchanges

Answer: A

QUESTION 52
Which Cisco IOS Software command lengthens the BGP update time reduce the number of updates that are sent when flapping BGP inks are causing network instability?

A.    timers bgp
B.    bgp dampening
C.    neighbor timers
D.    bgp aggregate-timer
E.    neighbor advertisement-interval

Answer: B

QUESTION 53
Which Cisco IOS XR Software Route Policy Language policy will set the weight to 50 for routes that match the prefix-set “test”?

A.    route-policy new
if ip-address in test then
set weight 50
endif
end-policy
B.    route-policy new
match ip address prefix-list test
set weight 50
end-policy
C.    route-policy new
if destination in test then
set weight 50
endif
end-policy
D.    route-policy new
match prefix-list test
set weight 50
end-policy

Answer: C

QUESTION 54
To influence the inbound traffic flow into an AS, which BGP attribute would signal an external AS to use the preferred path unto the AS?

A.    local preference
B.    MED
C.    Weight
D.    next-hop
E.    origin

Answer: B

QUESTION 55
Output from the show ip bgp command shows the state of the router IBGP sessions to be active.
Which of the following statements may be true?

A.    No neighbors have been configured
B.    Connections to the neighbors are up and operational
C.    The router cannot find its neighbors in its IGP routing table
D.    Prefixes to advertise have not been specified with the network command.

Answer: C

QUESTION 56
In an effort to decrease BGP convergence time, the BGP scan timer has been lowered. What is possible side effect of this action?

A.    There are slow or no responses to the console or Telnet sessions
B.    Maximum packet-per-second throughput will increase.
C.    Batch updates will be held for a shorter time
D.    The BGP table can become out of sync with the rest of the network

Answer: A

QUESTION 57
Which way can you distribute BGP processes to achieve better scalability on CRS-1 router s that run Cisco IOS XR software?

A.    between the active RP and the standby RP
B.    between the active RP and the MSBs
C.    between the active RP and the DRPs
D.    between the active RP and the PRPs

Answer: C

QUESTION 58
What will be the result of the aggregate-address 192.168.0.0 255.255.0.0 BGP command?

A.    The router that is doing the aggregation will advertise the 192 168 0 0/16 summary route as long as
there is at least one specific route within the range in the BGP table
B.    The more specific routes will be suppressed and only the 192 168 0.0/16 summary route will be
advertised
C.    The BGP table size on the router that is performing the route aggregation will be reduced
D.    The flap of the more specific route will not be visible to the rest of the network

Answer: A

QUESTION 59
What type of LSA will be used by an OSPF ABR to advertise lm al routes from a standard are to a
backbone area?

A.    type 1 router LSAs if -ill prefixes are advertised, or as type 3 summary LSAs if the prefixes are
summarized
B.    type 2 network LSAs
C.    type 3summary LSAs, whether or not the prefixes are summarized
D.    type 5 external LSAs

Answer: C

QUESTION 60
Without using route reflectors or confederations, an AS with 20 routers will require how many IBGP peerings?

A.    20
B.    45
C.    190
D.    200
E.    400

Answer: C

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