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Networks Lab

Total questions: 30

Worksheet time: 30mins

Name
Class
Date
1.

Several computers linked to a server to share programs and storage space.

a)

Library

b)

Network

c)

Grouping

d)

Integrated system

2.

Which of the following device is used to connect two systems, especially if the systems use different protocols?

a)

Repeater

b)

Bridge

c)

Gateway

d)

Hub

3.

The collection of links throughout the Internet creates an interconnected network called the

a)

WWW

b)

Web

c)

Wide Area Web

d)

All of the above

4.

What device separates a single network into two segments but lets the two segments appear as one to higher protocols?

a)

Switch

b)

Router

c)

Bridge

d)

Gateway

5.

A ____ is a set of rules.

a)

Resource locator

b)

Protocol

c)

Domain

d)

URL

6.

Checksum is used for

a)

Error Correction

b)

Error Detection

c)

Both

d)

None

7.

What is the port number of the HTTP?

a)

80

b)

25

c)

23

d)

20/21

8.

A Collection of interconnected Networks is called as_____

a)

internet

b)

intranet

c)

Topology

d)

Interface

9.

For large networks _____ topology is used

a)

bus

b)

ring

c)

star

d)

irregular

10.

Protocols in which the sender sends one frame and then waits for an acknowledgement before proceeding are called____

a)

sliding window

b)

stop and wait

c)

frame buffer

d)

analog

11.

which one of the following task is not done by data link layer?

a)

framing

b)

error control

c)

flow control

d)

channel coding

12.

Protocols in which the sender waits for a positive acknowledgement before advancing into the next data item are often called as

a)

ARQ

b)

PPR

c)

ARS

d)

PRP

13.

The commonly used protocols for web page Data Transfer is ____

a)

HTML

b)

HTTP

c)

WML

d)

WTTP

14.

To deliver a message to the correct application program running on a host, the ___ address must be consulted.

a)

port

b)

IP

c)

physical

d)

Tunnel

15.

Ping command works on which Protocol?

a)

ICMP

b)

TCP

c)

UDP

d)

IP

16.

MAC addressing works in ______

a)

physical layer

b)

Datalink Layer

c)

transport layer

d)

Session Layer

17.

IP addressing works in ______

a)

Network layer

b)

Application layer

c)

Transport layer

d)

Physical Layer

18.

Which one of the following is a Connectionless Protocol?

a)

UDP

b)

Ethernet

c)

IPX

d)

All of the above

19.

A DNS client is called _________

a)

DNS updater

b)

DNS resolver

c)

DNS handler

d)

none of the mentioned

20.

What is the main advantage of UDP?

a)

More overload

b)

Reliable

c)

Low overhead

d)

Fast

21.

Which of the following is false with respect to UDP?

a)

Connection-oriented

b)

Unreliable

c)

Transport layer protocol

d)

Low overhead

22.

Connection establishment in TCP is done by which mechanism?

a)

Flow control

b)

Three-Way Handshaking

c)

Forwarding

d)

Synchronization

23.

In TCP, sending and receiving data is done as _______

a)

Stream of bytes

b)

Sequence of characters

c)

Lines of data

d)

Packets

24.

Communication offered by TCP is ________

a)

Full-duplex

b)

Half-duplex

c)

Semi-duplex

d)

Byte by byte

25.

The first line of HTTP request message is called _____________

a)

Status line

b)

Request line

c)

Header line

d)

Entity line

26.

What is a web browser?

a)

a program that can display a web page

b)

a program used to view html documents

c)

it enables user to access the resources of internet

d)

all of the mentioned

27.

Retransmission of packets must not be done when _______

a)

Packet is lost

b)

Packet is corrupted

c)

Packet is needed

d)

Packet is error-free

28.

FTP is built on _____ architecture.

a)

Client-server

b)

P2P

c)

Data centric

d)

Service oriented

29.

FTP server _____________

a)

Maintains state information

b)

Is stateless

c)

Has single TCP connection for a file transfer

d)

Has UDP connection for file transfer

30.

The client in socket programming must know which information?

a)

IP address of Server

b)

Port number

c)

Both IP address of Server & Port number

d)

Only its own IP address