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Nokia Network and Service Router Security Questions and Answers

Question 1

What is true of BGP (Choose all that apply)

Options:

A.

BGP exchanges route information via unicast when the routers first connect

B.

When something has changed it updates other routers within the AS of this change.

C.

BGP communicates on port 179

D.

Metric used is based on speed, number of AS traversed stability and a number of other

factors.

E.

You can use MD5 authentication for security

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Question 2

You have firewalls running in a VRRPv2 failover scenario. The first "External" has

a priority of 99 for both interfaces. The second "Internal" has a priority of 98. Both

use a delta value of 10. An interface "External 1" fails. What will the vrrp priorities

now look like (Choose one)

Options:

A.

88 External 1 and 98 External 2

B.

89 External 1 and 99 External 2

C.

88 External and 88 Internal

D.

89 External 2 and 99 External 1

Question 3

Due to same VPLS mis-configuration, traffic (e.g.ping) is not work between PC1 and PC 2. Choose the best explanation for the problem.

Options:

A.

MTU is not configured on all sdp

B.

SDP id has to match on all three nodes

C.

STP has to be enabled on all three nodes

D.

No SAP is configured on Node-2

E.

Spoke-sdp has to be used on all three nodes