When a host knows its physical address but not its IP address, it can use _____.

A motorist knows four different routes from Bristol to Birmingham. From Birmingham to Sheffield he knows three different routes and from Sheffield to Carlisle he knows two different routes. How many routes does he know from Bristol to Carlisle ?

A

4

B

8

C

12

D

24

How many bits internet address is assigned to each host on a TCP/IP internet which is used in all communications with the host?

A

16 - bits

B

32 - bits

C

48 - bits

D

64 - bits

E

None of the above

You connect a host to a switch port, but the new host cannot log into the server that is plugged into the same switch. What could the problem be?

A

The router is not configured for the new host

B

The VTP configuration on the switch is not updated for the new host

C

The host has an invalid MAC address

D

The switch port the host is connected to is not configured with the correct VLAN membership

If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?

A

Discard it and send an error message back to the originating host

B

Flood the network with the frame

C

Add the source address and port to the MAC address table and forward the frame out the destination port

D

Add the destination to the MAC address table and then forward the frame

Which of the following specifies the network address and host address of the computer?

A

The IP address

B

The TCP address

C

The subnet mask

D

The default gateway

E

None of the above

A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session?

A

Send a different source port number

B

Restart the virtual circuit

C

Decrease the sequence number

D

Decrease the window size

A host machine is unable to communication with Google server. Which command is the most appropriate to run at host machine to determine which intermediary device is responsible for this failure ?

A

talnet 192.168.1.1

B

ping 192.168.1.1

C

trcert 192.168.1.1

D

ftp 192.168.1.1

A host machine is unable to communicate with Google server . Which command is the most appropriate to run at host machine to determine which intermediary device is responsible for this failure?

A

relnet 192.168. 1.1

B

ping 192. 168.1.1

C

tracert 192. 168.1.1

D

fip 192.168.1.1

End-to-end connectivity is provided from host-to-host in:

A

Network layer

B

Session layer

C

Data link layer

D

Transport layer

E

None of the above

P,Q,R and S are four men , p is the oldest but not the poorest. R is the richest but not the oldest. Q is older than S but not than P or R, P is richer than Q but not than S .The four men can be ordered descending in respectof age and richness respectively, as

A

PQRS ,RPSQ

B

PRQS, RSPQ

C

PRQS, RSQP

D

PRSQ, RSPQ

When a host knows its physical address but not its IP address, it can use _____.

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