Nokia 4A0-100 Exam Practice Test Instant Access

Question 1

Which of the following is part of the IP forwarding process?

AThe router does a longest prefix match lookup.

BThe router checks the source address in the MAC FDB.

CThe router assigns a cost to each of its interfaces.

DThe router advertises routes to its neighbors.

Answer : B

Question 2

Which of the following is a characteristic of the system IP address?

AIt is used as a L3 broadcast address.

BIt is a logical interface address.

CIt can have any prefix value.

DIt is used for layer-2 forwarding.

Answer : B

Question 3

Which of the following statements about router interfaces on a Nokia 7750 SR is FALSE?

AThey can be used by routers to interconnect subnets.

BThey can be used in pairs on the same subnet for redundancy.

CThey can be logical or physical.

DThe system interface exists by default.

Answer : B

Question 4

Which of the following statements about route summarization is FALSE?

AIt reduces the number of routes advertised by the router.

BIt allows a single route table entry to represent multiple subnetworks

CIt can reduce the size of the routing table in neighboring routers.

DIt advertises more specific routes for routing advertisement stability.

Answer : D

Question 5

Which of the following statements about IP address subnetting is TRUE?

ASubnetting adds a layer of hierarchy in the addressing structure.

BSubnetting helps routers make faster forwarding decisions.

CSubnetting increases routing advertisement stability.

DSubnetting reduces the number of route entries advertised by the router.

Answer : A

Question 6

A switch with the MAC FDB shown receives an Ethernet frame with source MAC address 00:00:8c:01:00:0a and destination MAC address 00:00:8c:01:00:0c. On which port is the frame forwarded?

A1/1/1

B1/1/2

C1/1/3

D1/1/4

Answer : C

Question 7

What happens when a switch receives an Ethernet frame with unknown source and destination MAC

addresses?

AThe frame is silently discarded.

BThe source MAC address is saved in the MAC FDB, and the frame is discarded.

CThe source MAC address is saved in the MAC FDB, and the frame is flooded to all ports except the
receiving port.

DThe source and destination MAC addresses are saved in the MAC FDB, and the frame is flooded to all
ports.

Answer : C

Nokia 4A0-100 Nokia Scalable IP Networks Exam Practice Test