Nokia 4A0-102 Exam Questions Instant Access

Question 1

Which of the following regarding the TTL of a BGP message is TRUE?

ATTL is a well-known mandatory BGP attribute.

BThe default TTL value of an eBGP message is 1, and 64 for an iBGP message.

CThe default TTL value of an iBGP message can be modified using the multihop command.

DThe default TTL value of an eBGP message can be modified using the 'ttl-security' command.

Answer : B

Question 2

Click the exhibit.

Routers RR1 and RR2 are route reflectors with the same Cluster-ID. When the update for prefix

192.168.1.0/27 is received at router RA2, what are the Originator_ID and Cluster_List attributes?

AOriginator_ID of RR1; and Cluster_List of 10.16.10.1.

BOriginator_ID of RX; and Cluster_List of 10.16.10.1.

COriginator_ID of RR1; and the Cluster_List is not set.

DNeither the Originator_ID nor the Cluster_List is set.

Answer : D

Question 3

Click the exhibit.

Router R6 is a route reflector for clients R1, R2 and R5 with local preferences 100, 200 and 500 respectively. Router R3 advertises prefix 192.168.1.0/27 to routers R1, R2 and R5 which are configured with advertise-external. Routers R4 and R6 are both configured with "add-paths ipv4 send 2 receive". Which routes to 192.168.0.1/27 is router R4 expected to have in its BGP routing table?

AThe routes from routers R1, R2 and R5.

BThe routes from routers R1and R2.

CThe routes from routers R2 and R5.

DTwo routes are chosen at random and advertised to router R4.

Answer : C

Question 4

Click the exhibit.

Given that ISP 1 and ISP 2 are Tier 2 providers, and that ISP 3 and ISP 4 are Tier 1 providers, what is the most likely relationship between ISP 1 and the other ISPs?

AISP 1 has a peering relationship with ISP 2 and ISP 4.

BISP 1 has a peering relationship with ISP 2 and a transit relationship with ISP 3.

CISP 1 has a peering relationship with ISP 2 and ISP 3.

DISP 1 has a transit relationship with ISP 2 and ISP 4.

EISP 1 has a transit relationship with ISP 2 and a peering relationship with ISP 3.

Answer : B

Question 5

Which of the following statements regarding BGP FRR is FALSE?

AThe router must receive several BGP routes to compute a backup path.

BBGP FRR can be triggered by BFD

CThe backup path can use the same next hop as the primary path.

DBGP peer-tracking can be used to improve BGP FRR failure detection times.

Answer : C

Question 6

Which of the following parameters does NOT have to match for an iBGP session to be successfully established?

ABGP version number.

BThe local AS number.

CThe Hold Time.

DAuthentication.

Answer : C

Question 7

What kind of BGP attribute is the Local Preference?

AOptional transitive attribute.

BOptional non-transitive attribute.

CWell-known mandatory attribute.

DWell-known discretionary attribute.

Answer : D

Nokia Border Gateway Protocol 4A0-102 Exam Questions