I. MULTIPLE CHOICE.

IP is primarily used in networks with Novell servers

a$.$ True

b$.$ False

Connectionless protocols are reliable protocols

a$.$ True

b$.$ False

Each octet of an IPv$4$ subnet mask must contain between $0$ and $128$ maximum

a$.$ True

b$.$ False

For two nodes to directly communicate on a given layer of the OSI model, each node must be

identical at that layer

a$.$ True

b$.$ False

IP is the main protocol that is currently used on the Internet

a$.$ True

b$.$ False

Packets on a connection$-$oriented protocol are also known as datagrams

a$.$ True

b$.$ False

To reduce layer $3$ fragmentation problem the MTU is adjusted

a$.$ True

b$.$ False

Encapsulation is used to place an IP packet inside a TCP frame

a$.$ True

b$.$ False

Switching is the process used to move frames along the Internet

a$.$ True

b$.$ False

SPX is a network layer protocol

a$.$ True

b$.$ False

The difference between a port and socket is:

a$.$ Sockets are network addresses $+$ ports

b$.$ Ports are network addresses $+$ sockets

c$.$ The difference depends on the protocol suite

d$.$ There is no difference

Which of the following is not a characteristic of a reliable protocol?

a$.$ Acknowledgements

b$.$ Error checking

c$.$ Flow control

d$.$ All of the above are characteristics of a

reliable protocol

What is multi$-$casting?

a$.$ A packet is sent to all nodes on a LAN segment

b$.$ A packet is sent to all nodes on

multiple LAN segments

c$.$ A packet is sent to one node on a LAN segment

d$.$ A packet is sent to selected nodes on

one or more LAN segments

The purpose of a port address is to:

a$.$ Distinguish between protocols

b$.$ Identify the contents of the packet

c$.$ Identify the application on the destination node

d$.$ All of the above

that should process the packet

Class $C$ network addresses are sometimes referred to as $$

addresses

a$.18$

b$.\frac{?}{10}$

c$.124$

d$.132$

In an Ethernet network running IP$,$ what address is used to deliver a message across an inter$-$

network?

a$.$ IP address

b$.$ MAC address

c$.$ Node address

d$.$ TCP address