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4A0-114 Nokia Border Gateway Protocol Fundamentals for Services Questions and Answers

Questions 4

Which of the following is considered a best practice for BGP address planning?

Options:

A.

Advertising external networks into IGP.

B.

Using system addresses for setting up iBGP sessions.

C.

Exporting the networks associated with the external links of eBGP peers into BGP.

D.

Optimizing BGP route table by exporting IGP routes into BGP.

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Questions 5

Click the exhibit.

4A0-114 Question 5

Assume all router-IDs are properly configured, and global IPv6 addresses are used to establish eBGP sessions. Which of the following configurations is required on router A so that router B can exchange traffic with router D?

4A0-114 Question 5

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 6

Which of the following statements about BGP is FALSE?

Options:

A.

Peers need to be IP reachable to establish a BGP session.

B.

Route reflectors can reduce the number of iBGP sessions required.

C.

iBGP peers have to be adjacent to each other.

D.

The multihop parameter needs to be configured when eBGP peers are not adjacent to each other.

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Questions 7

An export policy is applied on a router to advertise a prefix to its eBGP peers. By default, which of the following updates are made to the route attributes?

Options:

A.

LOCAL_PREFERENCE is set to 100.

B.

NEXT_HOP is set to the neighbor router's interface IP address.

C.

The local AS number is added to AS_PATH.

D.

COMMUNITY is set to the local AS number.

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Questions 8

What kind of BGP path attribute is AS_PATH?

Options:

A.

Optional transitive

B.

Optional non-transitive

C.

Well-known discretionary

D.

Well-known mandatory

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Questions 9

Which of the following statements about the MED BGP path attribute is FALSE?

Options:

A.

The MED BGP path attribute is transitive.

B.

The MED BGP path attribute is optional.

C.

Routes having lower values in their MED BGP path attribute are preferred.

D.

The MED BGP path attribute's value is set by a router at the edge of an AS.

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Questions 10

In the diagram, the BGP import policy "north-and-south" is applied to router R5. Router R1 advertises the prefix 140.100.1.0/24 with a community set to "65200:1". Which of the following statements about how router R5 processes the received route update for prefix 140.100.1.0/24 is TRUE?

4A0-114 Question 10

Options:

A.

The prefix is rejected.

B.

The prefix's local preference is set to 20.

C.

The prefix's community value is removed.

D.

The prefix's community value is modified to 65200:2.

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Questions 11

Which of the following route reflection rules is NOT followed by a route reflector?

Options:

A.

If the best route is received from an eBGP peer, propagate to all iBGP peers.

B.

If the best route is received from an eBGP peer, propagate to all eBGP peers.

C.

If the best route is received from a client, propagate to all iBGP peers.

D.

If the best route is received from a client, do not propagate to eBGP peers.

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Questions 12

Which of the following regarding route reflectors is TRUE?

Options:

A.

Only the route reflector is configured with a cluster id.

B.

There can only be one route reflector in a cluster.

C.

Clients should have iBGP sessions with each other to maintain the mesh.

D.

There can only be one level of route reflectors in the topology.

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Questions 13

On the Nokia 7750 SR, which of the following is NOT an address family that BGP supports?

Options:

A.

IPv4

B.

VPN-IPv4

C.

Label-IPv4

D.

MP-EVPN

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Exam Code: 4A0-114
Exam Name: Nokia Border Gateway Protocol Fundamentals for Services
Last Update: Dec 10, 2024
Questions: 44

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