4A0-100 Practice Questions

A.  

They can communicate if they are connected to the same switch.

B.  

They can communicate if they are in the same broadcast domain.

C.  

They can communicate if there is a router to connect them.

D.  

They cannot communicate.

A.  

To exchange information and divide it into simpler functions.

B.  

To provide flexibility so that new protocols can be easily added.

C.  

To reduce protocol overhead.

D.  

To relieve some devices of some unnecessary tasks.

A.  

It uses the routing table to find a match for the source IP address.

B.  

It uses the routing table to find a match for the destination IP address.

C.  

It uses the ARP table to find a match for the source MAC address.

D.  

It uses the ARP table to find a match for the destination MAC address.

A.  

Exchanges routes with neighboring routers periodically.

B.  

Can only be used for routing within an autonomous system.

C.  

Uses a hop-count metric to determine the best route to a network.

D.  

Explicitly defines the next-hop based on operator input.

A.  

Routers send a copy of their entire routing table to their neighbors.

B.  

Routers send periodic routing table updates to the entire network.

C.  

Routers know the entire network topology.

D.  

Routers use hop-count to calculate their routing tables.

A.  

All sites are connected to a single wire.

B.  

All sites are connected to a switched network.

C.  

All sites are connected to a routed network.

D.  

All sites are connected to the Internet.

A.  

Static Routing

B.  

IS-IS

C.  

OSPF

D.  

eBGP

A.  

2B-28

B.  

00-20

C.  

CE-2B-28

D.  

00-20-60

A.  

It is associated with a port.

B.  

It is used to connect to other routers or to customer hosts.

C.  

It can be associated with an IP address and with a prefix length.

D.  

It can be of type system or loopback.

A.  

A device used to connect cables with signal amplification.

B.  

A device that receives and replicates data without layer-2 header inspection.

C.  

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

D.  

A device that receives and forwards data based on the layer-3 destination address.