III IT A DCCN Lab_Quiz-2

Which form of byte assigning strategy is adopted in class B type of network corresponding to IP addresses?

• Network.Node.Node.Node

• Network.Network.Node.Node

• Network.Network.Network.Node

• Network.Node.Node.Node

The ability of a single network to span multiple physical networks is known as ______

• Subnetting

• Masking

• Fragmenting

• Hopping

___________ is not a function of network layer.

• routing

• inter-networking

• congestion control

• error control

In virtual circuit network each packet holds ___________

• full source and destination address

• a short VC number

• only source address

• only destination address

ICMP is primarily used for __________

• error and diagnostic functions

• addressing

• forwarding

• routing

I need to create 10 subnets with a Class C network ID, so, _______________ subnet mask is used?

• 255.255.255.252

• 255.255.255.255

• 255.255.255.240

• 255.255.255.24

Size of IPv4 = _______ and IPv6 = ________ ?

• 32 bit , 128 bit

• 32 bytes , 128 bytes

• 32 bytes , 128 bits

• 32 bits , 128 bytes

Which mechanism/s is/are extremely essential in data link and transport layers in accordance to

operational services offered by the transport protocols?

• Buffering

• Flow Control

• Both a & b

• None of the above

Which TCP timer signifies its contribution in measuring the time of connection maintenance in TIME_WAIT state?

• Keep alive Timer

• Persist Timer

• Retransmission Timer

• 2 Maximum Segment lifetime Timer

To use the services of UDP, we need _________ socket addresses.

• four

• two

• three

• One