1 Marks Each

Question 11 Mark

Write one advantage and one disadvantage of using Optical fibre cable.

Answer

Advantage: It is the most efficient guided transmission medium.

Disadvantage: It is the most expensive guided transmission medium.

Question 21 Mark

Identify the following devices:

(a) A device that is used to connect different types of networks. It performs the necessary translation so that the connected networks can communicates properly.

(b) A device that converts data from digital bit stream into an analog signal and vice versa.

Answer

(a) Gateway

(b) Modem

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Question 31 Mark

What is the use of Repeater in a Network?

Answer

A repeater is a device that amplifies a signal being transmitted on the network. It is used in long network lines, which exceed the maximum rated distance for a single run.

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Question 41 Mark

Explain the following terms: OSS and ODF.

Answer

(a) OSS : Open Source Software

(b) ODF : Open Document Format

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Question 51 Mark

Why is a switch called an intelligent hub?

Answer

Switch is intelligent hub because

• Like hub it connects multiple ethernet devices.

• Unlike hub it gathers information and sends data only to intended receiver whereas

Hub broadcasts the data to all devices connected.

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Question 61 Mark

What is meant by “Denial of Service” with reference to Internet Service?

Answer

Denial - of - service (Dos) attacks are those attacks that prevent the legitimate users of the system, from accesing or using the resources, information , or capabilities of the system.

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Question 71 Mark

What is the name of the network topology in which each node is connected independently using a switch?

Answer

Star topology

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Question 81 Mark

What is the purpose of switch in a network?

Answer

(a) Switch

(b) Repeaters

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Question 91 Mark

What was the main objective behind developing UNICODE?

Answer

(a) WAN: Wide Area Network

(b) OSS: Open Source Software

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Question 101 Mark

State two advantages of networking computers instead of having standalone computers.

Answer

(a) Resource Sharing

(b) Reduced Costs

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Question 111 Mark

Identify Domain name and URL from the following:

http:/www.helpingeachother.in/home/aboutus.htm

Answer

Domain name : helpingeachother.in

URL : www.helpingeachother.in/aboutus.htm

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Question 121 Mark

Give one advantage and one disadvantage of using Star topology over Bus topology.

Answer

Advantage: One connection per device thus no sharing of bandwidth

Disadvantage: Longer cable length.

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Question 131 Mark

Name any two most popularly used search engines.

Answer

(a) Repeater

(b) LAN

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Question 141 Mark

Write examples of one proprietary and one Open Source Software.

Answer

Proprietary software : Microsoft Windows 7 Open source Software : Linux

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Question 151 Mark

Gyandeep International School is planning to connect all computers, each spread over distance within 40 meters. Suggest an economical cable type having high speed data transfer, which can be used to connect these computers.

Answer

Coaxial cable

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Question 161 Mark

Write the one advantage of the E-mail over the conventional mailing system.

Answer

Fast and very cheap.

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Question 171 Mark

Name the protocols which are the parts of Application Layer.

Answer

Post Office Protocol 3 (POP3), Simple Mail Transfer Protocol (SMTP), Hypertext Transfer Protocol (HTTP) and File Transfer Protocol (FTP).

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Question 181 Mark

Identify the Protocol, Domain Name and Document in the given URL:

https://www.rachnasagar.in/books.php

Answer

Protocol: HTTPS

Domain Name: Rachnasagar.in

Filename/Document: books.php

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Question 191 Mark

Name the technologies through which we can transfer the data wirelessly on short distances.

Answer

Infrared rays or Bluetooth.

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Question 201 Mark

What is IoT?

Answer

Internet of Things. It is a network of devices that can connect wirelessly to a network.

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Question 211 Mark

Define E-mail.

Answer

It is a popular way of communication on the internet. By using e-mail you can send mail to any part of the world within a few seconds.

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Question 221 Mark

Write the full form of LAN and PAN.

Answer

Local Area Network, Personal Area Network.

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Question 231 Mark

Write any one advantage of network computers over the stand alone PC.

Answer

Reliable, Cost Effective or huge storage.

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Question 241 Mark

Name the few free public clouds.

Answer

Google Drive or Microsoft One drive or I cloud or Dropbox.

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Question 251 Mark

Write the full form of DNS and EDGE.

Answer

DNS - Domain Name System

EDGE - Enhanced Data rates for Global Evolution

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Question 261 Mark

What is Telnet?

Answer

It is a network protocol used on the Internet or LAN’s to provide a bi-directional interactive text-oriented communications facility using a virtual terminal connection.

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Question 271 Mark

Write the name of the two remote desktop applications.

Answer

Any desk and TeamViewer.

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Computer Science 1 Marks Each

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