Question:

In transport layer, Multiplexing is done at _________

A.

channel

B.

receiver site

C.

sender site

D.

packet

Answer» c. sender site

Question:

Where should we use default routing?

A.

on stub networks- which have only one exit path out of the network

B.

which have more than one exit path out of the network

C.

minimum five exit paths out of the network

D.

maximum five exit paths out of the network

Answer» a. on stub networks- which have only one exit path out of the network

Question:

The main reason for transition from IPv4 to IPv6 is _________

A.

huge number of systems on the internet

B.

very low number of system on the internet

C.

providing standard address

D.

to provide faster internet

Answer» a. huge number of systems on the internet

Question:

Range of port numbers in Internet model is __________

A.

0 and 32,765(8-bit)

B.

0 and 32,765(16-bit)

C.

0 and 65,535(32-bit)

D.

0 and 65,535(16-bit)

Answer» d. 0 and 65,535(16-bit)

Question:

Which NetWare protocol works on layer 3–network layer—of the OSI model?

A.

ipx

B.

ncp

C.

spx

D.

netbios

Answer» a. ipx

Question:

Which layer is responsible for process-to-process delivery?

A.

physical layer

B.

network layer

C.

transport layer

D.

application layer

Answer» c. transport layer

Question:

Multiple processes on destinations at transport layer are identified by __________

A.

mac address

B.

port number

C.

host number

D.

host address

Answer» b. port number

Question:

The network address of 172.16.0.0/19 provides how many subnets and hosts?

A.

7 subnets, 30 hosts each

B.

8 subnets, 8,190 hosts each

C.

8 subnets, 2,046 hosts each

D.

7 subnets, 2,046 hosts each

Answer» b. 8 subnets, 8,190 hosts each

Question:

Which of this is not a class of IP address?

A.

class e

B.

class c

C.

class d

D.

class f

Answer» d. class f

Question:

How often does a RIPv1 router broadcast its routing table by default?

A.

every 30 seconds

B.

every 60 seconds

C.

every 90 seconds

D.

ripv1 does not broadcast periodically

Answer» a. every 30 seconds