Nokia 4A0-114 Exam Questions Instant Access

Question 1

An autonomous system has 7 routers configured with BGP. How many iBGP sessions are required for a fully meshed configuration?

B13

C21

D42

Answer : C

Question 2

Which of the following statements about router reflectors is FALSE?

AA full iBGP mesh is required among route reflectors.

BA route reflector can have both iBGP and eBGP clients.

CA router reflector disables the iBGP split-horizon rule for its clients.

DRoute reflectors are used to reduce the number of iBGP sessions required in an AS.

Answer : A

Question 3

In the diagram below, a data packet is sent from CE1 to a far-end CE2 over a VPRN service across multiple regions. Which of the following statements about the tunnel labels is FALSE?

AThe outer label is an RSVP, LDP, or segment routing label pushed by router Core1.

BThe second label is a BGP label pushed by router RBR1.

CThe service label is a label pushed by router PE1.

DThe outer label will be popped by router Core2.

Answer : A

Question 4

Click the exhibit.

Routers RR1 and RR2 are route reflectors with the same Cluster-ID. How does router RA treat the updates for prefix 192.168.1.0/27 received from routers RR1 and RR2?

ARouter RA prefers the update received from router RR1.

BRouter RA prefers the update received from router RR2.

CRouter RA flags both updates as invalid.

DRouter RA accepts both updates and flags them as used.

Answer : C

Question 5

Which of the following pieces of information is NOT carried inside an EVPN IP-Prefix (type 5) route update associated with an EVPN VPLS?

AThe MAC address of an attached host.

BThe IP prefix of a subnet in the layer-3 domain that the VPLS belongs to.

CThe VPLS's route-distinguisher and route-target values.

DThe VPLS's service tunnel ID (MPLS label or VNI value).

Answer : B

Question 6

Routers PE1 and PE2 in the diagram exchange MP-BGP route updates that carry the route-target value associated with the EVPN service VPLS 300. What type of addressing information is included in those route updates?

AVPN-IPv4

BLabel-IPv4

CEVPN MAC

DEVPN IP-Prefix

Answer : D

Question 7

Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.

Assuming that none of the routers in AS 65540 is configured with "advertise-external", what is the expected output of "show router bgp routes" on router R5?

AOption A

BOption B

COption C

DOption D

Answer : C

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