Routers to their respective areas providing

routers to their respective areas, providing connectivity to other areas. The Level 2 backbone is
essentially a virtual IS-IS area consisting of routers engaged in Level 2 routing"
QUESTION 374
About DDOS attack .What you can do on device to block DDOS attack ?
A. Policy map
B. ACL
C. Control plane policy
D. Used zoned firewall on router
Answer: C
QUESTION 375
An organization is using a link state routing that is not dependent on IP addressing.
Which action enable information across area boundaries in this organization ?
A. Assign level 1 router interface
B. Assign level 1 routers to different areas
C. Assign level 2 router interface to the backbone area
D. Assign level 2 router to different areas

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E. Assign level 2 router interface to different area
Answer: D
QUESTION 376
Which OSPF option can you configure to connect two parts of a partitioned backbone through a
nonbackbone area?
A. route summarization
B. a virtual link
C. an NSSA
D. a static OSPF neighbor
Answer: B
QUESTION 377
In what situation must spanning-tree be implemented?
A. When redundant Layer 2 links, that are not part of a single EtherChannel or bundle, exist between
distribution switches
B. When redundant Layer 3 links, that are not part of a single EtherChannel or bundle, exist between
distribution switches
C. Between Distribution and Core switches when interfaces are configured with "no switchport"
D. Between Distribution and Core switches when VSS is configured
Answer: A
QUESTION 378
An engineer want to ensure that of the PEs are discovery in VPLS discover PS. use signaling and
access to across PE router without having manually provision VPLS neighbors.
What solution must be implemented?
A. BGP autodiscovery with BGP signalling
B. BGP autodiscovery with LDP signalling
C. H-VPLS with PW-access
D. BGP-based VPLS autodiscovery
Answer: D
Explanation:
and
QUESTION 379
The WAN link between HQ and Branch.
What Technology that to be routed in a more informed way?
A. Policy base routing
B. On demand routing
C. Static routing

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D. Performance routing
Answer: D
QUESTION 380
You need to use source specific multicast, which addressing should you use ?
A. 224.0.0.0/8
B. 232.0.0.0/8
C. 248.0.0.0/8
D. 254.0.0.0/8
E. 242.0.0.0/8
Answer: B
QUESTION 381
here are 3 steps to confirm whether a range of IP addresses can be summarized.
Which of the following is used in each of these 3 steps?
A. The first number in the contiguous block of addresses
B. The last number in the contiguous block of addresses
C. The size of the contiguous block of addresses
D. The subnet mask of the original network address
Answer: C
QUESTION 382
Uplink floating state ( up and down ). What you can do to solve this problem?