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Nokia Interior Routing Protocols Exam (4A0-101) - Nk Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
315 Total Questions
1
Question
A new router is added to a broadcast network. What is used by IS-IS as the tie breaker for selecting the DIS if the priorities are the same?
Options
A The router with the highest interface MAC address.
B The router with the highest system ID.
C The existing DIS remains the DIS.
D The Hello packet with the highest sequence number.
E The router with the highest loopback address.
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2
Question
Click on the exhibit.

Exhibit

The numbers beside the links are the metrics for that link. Given the diagram, what path will traffic follow from router R2 to router R8, and from router R8 to router R2, if IS-IS is the routing protocol?
Options
A Router R2 to router R8 will follow (R2-R3-R5-R7-R8). Router R8 to R2 will follow (R8-R7-R5-R3-R2)
B Router R2 to router R8 will follow (R2-R3-R4-R6-R7-R8) Router R8 to R2 will follow (R8-R7-R5-R3- R2)
C Router R2 to router R8 will follow (R2-R3-R4-R6-R7-R8). Router R8 to R2 will follow (R8-R7-R6-R4- R3-R2)
D Router R2 to router R8 will follow (R2-R3-R5-R7-R8). Router R8 to R2 will follow (R8-R7-R6-R4-R3- R2)
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3
Question
On which type of IS-IS router is summarization most likely to be configured?
Options
A L1 routers
B L1 and L2 routers
C L2 routers
D L1/L2 routers
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4
Question
What is another term to describe the default route for a client?
Options
A Black hole
B Proxy ARP
C Default gateway
D Gateway path
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5
Question
Which of the following TLV fields is included in an IS-IS Hello packet on broadcast interfaces but not on point-to-point interfaces?
Options
A The area addresses TLV
B The authentication information TLV
C The IP interface address TLV
D The intermediate system neighbors TLV
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