Refer to the OSPF command exhibit.
Which effect does the no-summary command option have?
A.
It will cause area 1 to be able to receive non-summarized inter-area routes.
B.
It will cause area 1 to not receive any inter-area routes and will use a default route to reach
networks in other areas.
C.
It will cause area 1 to not receive any external routes and will use a default route to reach the
external networks.
D.
It will convert the NSSA area into a NSSA totally stubby area.
E.
It will convert the stubby area into a NSSA.
F.
It will disable OSPF auto-summary.
Explanation:
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QUESTION
Which OSPF feature allows a router with redundant route processors to maintain its OSPF state
and adjacencies across planned and unplanned RP switchovers and does this by checkpointing
state information from OSPF on the active RP to the standby RP? This feature does not require
the OSPF neighbor to support graceful restart.
A. NSR
B. NSF
C. BFD
D. MTR
E. SDR
Answer: A
QUESTION
Which two statements regarding OSPFv2 or OSPFv3 authentication are correct? (Choose two.)
A. OSPFv2 supports MD5 authentication.
B. OSPFv2 supports MD5 or SHA authentication.
C. OSPFv2 relies on the native security stack that uses IPsec.
D. OSPFv3 supports MD5 authentication.
E. OSPFv3 supports MD5 or SHA authentication.
F. OSPFv3 relies on the native security stack that uses IPsec.
Answer: AF
QUESTION
What are three common problems that can cause a BGP neighbor state to toggle between the
idle state and the active state? (Choose three.)
A. BGP network command misconfiguration
B. route policy misconfiguration
C. AS number misconfiguration
D. route map misconfiguration
E. BGP neighbor peering to wrong IP address
F. IGP routing problem: not able to reach the source IP address of the BGP open packet
Answer: CEF
QUESTION
In an AS with 10 routers running IBGP, how many IBGP sessions will be required to establish
fully meshed IBGP peerings?
A. 10
B. 20
C. 45
D. 50
E. 99
F. 100
Answer: C
QUESTION
You are implementing OSPF as the IGP using a single OSPF area design. The router memory
usage for OSPF is too high. Which two methods can lower the OSPF memory usage? (Choose
two.)
A. enable OSPF synchronization
B. implement multi-area OSPF
C. enable OSPF sham links to reduce the number of LSAs
D. implement route summarization on the ABRs
E. enable route leaking between Level 1 and Level 2 areas
Answer: BD
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