Chap#02 Information Networks

Question 1

Which of the following is the most common protocol used for E-mails?

Answer 1

SMTP

Question 2

This communication medium is used to connect the networks and the computers in the internet:

Answer 2

➡Telephone Lines
➡Fiber-Optic Cables
➡Satellites

Question 3

All previous networks were replaced by National Science foundation’s NSFNET in:

Answer 3

1970

Question 4

Throughout 1970s and 1980s, which of the following evolved into several other networks dedicated mostly to military use?

Answer 4

ARPANET

Question 5

The process of transferring a file from a local computer to a remote computer on a network is called:

Answer 5

FTP

Question 6

Local Area networks do no use:

Answer 6

Telephone Lines

Question 7

LAN stands for:

Answer 7

Local Area Network

Question 8

This device connects different types of networks to form an inter-network:

Answer 8

Gateway

Question 9

Which of the following is not a communication media?

Answer 9

Terminal

Question 10

A token ring network:

Answer 10

➡uses ring topology
➡uses token passing
➡can operate at 4 Mbps using UTP cable

Question 11

Which of the following is a basic network topology?

Answer 11

➡Star
➡Bus
➡Ring

Question 12

The protocol developed by IBM for its mainframe computers is named:

Answer 12

SNA

Question 13

Which of the following can be used to join similar types of networks?

Answer 13

Bridges and Repeaters

Question 14

A LAN can transmit:

Answer 14

➡Computer Data
➡Sounds
➡Pictures & Videos

Question 15

The US Department of Defense started the ____- in 1969.

Answer 15

Internet

Question 16

With shielded twisted-pair cables a token ring network can operate up to a speed of:

Answer 16

16 Mbps

Question 17

TCP/IP was developed for use in ARPANET in:

Answer 17

1973

Question 18

The computer network in which all computers are equal and no one computer is in control is called:

Answer 18

Peer-to-peer network

Question 19

Which of the following standards making bodies is responsible for Local Area Network standards?

Answer 19

IEEE

Question 20

There are ______ types of network topologies.

Answer 20

4

Question 21

The topology in which all nodes are connected to a central wire is called:

Answer 21

Bus topology

Question 22

This LAN access method allows multiple devices to talk at once, and a protocol determines which device receives priority.

Answer 22

CSMA/CD

Question 23

OSI reference model has:

Answer 23

7 layers

Question 24

this layer in the OSI model provides network services to the user applications:

Answer 24

Presentation

Question 25

The layer next to the application layer in OSI model is:

Answer 25

Presentation Layer

Question 26

Which of the following is not a function of the presentation layer in OSI model?

Answer 26

Check passwords

Question 27

The layer in OSI model that breaks large data received from session layer into packets to be sent to destination computer is:

Answer 27

Transport

Question 28

Which of the following layers in the OSI model routes data from sender to receiver?

Answer 28

Network layer

Question 29

Which layer of OSI model performs code conversion:

Answer 29

Presentation

Question 30

Which layer of OSI model performs code conversion:

Answer 30

Presnetation

Question 31

Which layer of OSI model determines how two devices establish, maintain and manage a connection:

Answer 31

Session

Question 32

Which layer of the OSI model provides network services to user applications:

Answer 32

Application