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Nokia Updated 4A0-112 Exam Questions and Answers by siya

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Nokia 4A0-112 Exam Overview :

Exam Name: Nokia IS-IS Routing Protocol
Exam Code: 4A0-112 Dumps
Vendor: Nokia Certification: Nokia Certification
Questions: 40 Q&A's Shared By: siya
Question 8

When multiple routing protocols offer a route for the same prefix, what part of the router is in charge of deciding which route to make active?

Options:

A.

The routing information base (RIB)

B.

The routing table manager (RTM)

C.

The equal cost multipath configuration

D.

The forwarding information base (FIB)

Discussion
Question 9

A new router is added to a broadcast network. What does IS-IS use as the tiebreaker for selecting the DIS if the priorities are the same?

Options:

A.

The router with the highest system ID.

B.

The Hello packet with the highest sequence number.

C.

The existing DIS remains the DIS.

D.

The router with the highest interface MAC address.

Discussion
Question 10

A series of actions are triggered on a router as a result of enabling both loopfree-alternate for a link-state routing protocol and ip-fast-reroute. Which of the following is NOT one of those actions?

Options:

A.

Calculating the shortest-path next hop for each known IP prefix.

B.

Calculating a backup next hop for each known IP prefix, if it exists, that would not create a routing loop if used without informing other routers.

C.

Installing two entries in the FIB for IP prefixes, one active and one in standby mode.

D.

Enabling the router to locally repair the active path to an IP prefix in case of failure.

Discussion
Question 11

Which of the following is NOT a required configuration step to successfully run IS-IS on a router?

Options:

A.

The router needs to be associated with an IS-IS area ID.

B.

Layer-3 interfaces that will participate in IS-IS need to be identified.

C.

A reference bandwidth needs to be configured to calculate link costs.

D.

The IS-IS context needs to be enabled.

Discussion
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