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CLASS XII Computer Networking UNIT PRACTICE DATED 18.09.2024

Last updated over 1 year ago

85 questions

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Networking MCQ 

Read carefully and appear in test , all questions are compulsory

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What is the purpose of computer networking?

Playing online games

Sending physical mail

Social media interaction

Sharing resources and information

Which device protects a network by filtering incoming/outgoing traffic?

Router

Firewall

Switch

Modem

Which device is used to connect multiple local devices?

Switch

Printer

Modem

Router

What does IP address stand for in networking?

Internet Protocol address

Information Packet address

Instruction Panel address

Internal Processor address

What is the purpose of a gateway in networking devices?

Boost performance within a single network

Allows only wired connections

Filters internet traffic

Connects two dissimilar networks

How does a gateway contribute to network connectivity?

Updates device software automatically

Monitors network security threats

Organizes files on the network

Translates data between different network protocols

What technology enables wireless networking?

Wi-Fi

Ethernet

Bluetooth

LAN

What does ARPANET stand for?

Applied Research Projects Agency Network

Advanced Research Projects Agency Network

Applied Research Protocol Agency Network

Advanced Research Protocol Agency Network

What is the full form of NSFNET?

National Security Foundation Network

National Server Foundation Network

National Science Foundation Network

Network Science Foundation National

The primary purpose of ARPANET was to?

Enable communication between research institutions

Connect military networks

Provide online gaming services

Create social media platforms

What was NSFNET's role in the 1980s?

Provided access to supercomputing centers and universities

Developed standard web protocols

Focused on satellite communications

Built the first commercial internet infrastructure

What is the unique numerical label assigned to each device?

ARPANET

INTERNET

NSFNET

IP ADDRESS

A global system of interconnected computer networks is known as?

ARPANET

IP ADDRESS

NSFNET

INTERNET

What is the function of an IP address in networking?

Allows text communication only

Connects to a specific website

Determines internet speed

Identifies a device on a network

Which switching technique establishes a dedicated connection?

Circuit switching

Packet switching

Broadcast switching

Random switching

In which switching technique are data split into packets?

Circuit switching

Wireless switching

Switching errors

Packet switching

What does bandwidth refer to in computer networking?

Data storage capacity

Internet connection type

Speed of data transfer

Amount of data that can be transmitted in a period.

Which unit is used to measure data transfer rate?

Bytes per minute

Bits per second

Hertz

Megabytes per hour

Higher bandwidth means ___ data can be transmitted simultaneously.

Unlimited

Less

Same

More

Data transfer rate measures___

Speed of data transmission

Internet bandwidth

Number of devices connected

Data storage capacity

Which component determines the medium for data transfer?

Receiver

Protocols

Message

Communication media

Who dictates the rules for data communication?

Sender

Communication media

Receiver

Protocols

Which component initiates the data transmission process?

Receiver

Message

Sender

Protocols

Which component interprets the received data?

Sender

Protocols

Receiver

Message

Which type of medium is used in satellite communication?

Infrared waves

Microwaves

Sound waves

Ultraviolet waves

What does a satellite dish do in satellite communication?

Receives signals

Transmits signals

Blocks signals

Amplifies signals

Which organization operates the GPS satellite constellation?

US Department of Defense

NASA

European Space Agency

SpaceX

Which type of waves is commonly used for Wi-Fi communication?

Micro waves

Infrared waves

Radio waves

satellite

What is a physical medium used for data transmission networks?

Satellite

Ethernet cable

Bluetooth

Wi-Fi

Which cable media offers faster data transmission than twisted pair?

Wireless

Ethernet cable

Fiber optic

Coaxial cable

Which wired communication media is known for its high bandwidth?

Twisted pair cable

Wireless communication

Co-axial cable

Fiber-optic cable

What type of cable is most commonly used in homes?

Ethernet cable

Twisted pair cable

Fiber-optic cable

Co-axial cable

Which cable uses light for transmitting data signals?

Twisted pair cable

Fiber-optic cable

Co-axial cable

DSL cable

Which device operates at the physical layer of the OSI model?

Ethernet card

Hub

Router

Switch

What type of network topology uses a central connection point?

Bus

Ring

Star

Mesh

Which protocol is used for transferring hypertext data in networks?

POP

HTTPS

SMTP

HTTP

What device connects multiple devices within a LAN network?

Repeater

Gateway

Modem

Switch

Which networking device operates at the OSI Data Link layer?

Ethernet card

Hub

Switch

Router

What does WWW stand for in the context of networking?

Web Browser

Web Server

Web Hosting

World Wide Web

Which topology connects all devices in a sequence?

Bus topology

Star topology

Ring topology

Mesh topology

Which device connects a LAN to the internet?

Repeater

Router

Switch

Gateway

What device extends the range of a wireless network?

Switch

Router

Modem

Repeater

What device converts digital data to analog for transmission?

Switch

Router

Ethernet card

Modem

Which device is used to connect different networks together?

Router

Firewall

Gateway

Modem

What hardware component is essential for wireless network connections?

RAM

Ethernet cable

WiFi card

Processor

What controls the flow of data between devices on a network?

Switch

Gateway

NIC

Access point

Which component enables a computer to connect to WiFi networks?

Graphics card

Sound card

WiFi card

Power supply

Which network type covers a large geographical area?

PAN

LAN

WAN

MAN

What type of network connects devices within a home?

WAN

PAN

LAN

MAN

Which network type connects devices over a city or town?

LAN

WAN

PAN

MAN

Which network type is typically the smallest in scale?

PAN

WAN

MAN

LAN

Which topology connects all devices on a single cable?

Star

Bus

Mesh

Tree

What topology resembles a hierarchy with the main trunk?

Star

Mesh

Bus

Tree

Which topology offers redundancy with multiple paths between devices?

Mesh

Star

Tree

Bus

Which protocol is used for transferring files between systems?

PPP

HTTP

SMTP

FTP

Which protocol is primarily used for web browsing?

HTTP

FTP

SMTP

PPP

What protocol is commonly used for sending emails?

FTP

HTTP

SMTP

PPP

Which protocol is used for establishing internet connections?

PPP

SMTP

HTTP

FTP

Which protocol is used for securely browsing websites?

VoIP

POP3

HTTPS

TELNET

Which protocol is commonly used for email retrieval?

POP3

HTTPS

TELNET

VoIP

Which protocol is used for real-time voice communication?

TELNET

VoIP

POP3

HTTPS

Which protocol provides access to a remote server's terminal?

POP3

VoIP

HTTPS

TELNET

What layer of OSI model does IP belong to?

Application

Transport

Network

Data Link

Which protocol focuses on error-free and ordered data delivery?

HTTP

TCP

UDP

FTP

What does TCP stand for in computer networking?

Transfer Command Platform

Transmission Control Protocol

Time Critical Pathway

Total Connection Process

In TCP/IP model, which layer verifies data delivery?

Presentation

Transport

Network

Session

Which protocol ensures data integrity in TCP/IP communications?

UDP

TCP

FTP

HTTP

What is the purpose of DHCP in TCP/IP networking?

Assigning IP addresses

Securing data transfer

Establishing connections

Routing data packets

What is the role of DNS in TCP/IP?

Handling authentication

Packet encryption

Regulating network traffic

Resolving hostnames to IP addresses

Which protocol is used for data transmission in TCP/IP?

IP

HTTP

UDP

FTP

What is the default subnet mask for a Class C IP address?

255.255.255.255

255.255.255.0

255.255.0.0

255.0.0.0

Which language is used for structuring web content?

Python

SQL

HTML

JavaScript

What does WWW stand for in the context of networking?

World Wide Web

Wonderful Web World

Wireless Web Workstation

Web Widget Workshop

What is the function of Hyper Text Markup Language?

Playing videos

Running software

Sending emails

Creating web pages

Which uses predefined tags: <head>, <body>, <title>?

HTML

XML

CSS

JavaScript

Which allows customized tags?

HTML

SQL

XML

PHP

Which is strict about nesting and closing tags?

HTML

Python

JSON

XML

What does URL stand for in computer networking jargon?

Universal Remote Link

Unique Reference Link

Uniform Resource Locator

Unique Routing Location

Which part of a URL specifies the protocol used?

http:// or https://

@site

www.

.com

What is the role of a web server in networking?

Creates URLs

Manages domain names

Protects from malware

Stores, processes, and delivers web pages to clients

What is the function of a web browser in networking?

Stores website data

Manages IP addresses

Sends emails

Displays web pages and allows interaction with content

What is a web hosting service responsible for?

Developing web applications

Designing websites

Storing website files

Creating domain names

Which type of server is used to host a website?

HTTP server

SMTP server

DNS server

FTP server

What is the main purpose of a website?

Creating animations

Collecting user data

Sharing information

Running software programs

What does HTML stand for in web design?

Hyperlink Text Management

High Technology Multimedia

Hyper Media Language

Hypertext Markup Language