Which of the following best describes a hub?

AA device used to connect cables with signal amplification.

BA device that receives and replicates data without Layer 2 header inspection.

CA device that receives and forwards data based on the MAC destination address.

DA device that receives and forwards data based on the Layer 3 destination address.

Answer : B

Which of the following describes a default route?

AIt is used when forwarding control plane data to the local CPM.

BIt is used when there is no other known route for a given packet's destination.

CIt matches a specific /32 host address with the least cost to the destination.

DIt is used when forwarding multicast and broadcast packets.

Answer : B

Which of the following does a link-state protocol use when choosing the best path to a destination network?

ACost

BRound-trip time

CHop-count

DRoute preference

Answer : A

Which of the following is a characteristic of Distance Vector protocols?

ARouters periodically send a copy of their table to their neighbors.

BRouters send triggered updates to the entire network.

CRouters know the entire network topology.

DRouters use Shortest Path First algorithm to calculate the optimum paths.

Answer : A

Which of the following best describes an Autonomous System (AS)?

AA group of routers that are under one administrative authority.

BA group of networks that make up the Internet.

CA group of networks from different organizations exchanging routes using IGP routing protocols.

DAny organization that has a connection to the Internet.

Answer : A

Free Practice Questions for Nokia 4A0-100 Exam