Networking and Communications: Master the Fundamentals of Connectivity

Question 1

Which service provides access to interconnected web pages and documents?

Accepted Answer

WWW

Answer

DNS

Answer

SMTP

Answer

FTP

Question 2

What type of malicious software holds files hostage and demands payment for their release?

Accepted Answer

Ransomware

Answer

Virus

Answer

Worm

Answer

Trojan

Question 3

What is the purpose of a MAC address in network communication?

Accepted Answer

To uniquely identify a device on a network

Answer

To translate domain names into IP addresses

Answer

To provide secure encryption for data transmission

Answer

To store user preferences and settings

Question 4

Which network security technique involves disguising data to prevent unauthorized access?

Accepted Answer

Cryptography

Answer

Authentication

Answer

Authorization

Answer

Firewalls

Question 5

Which network protocol is solely responsible for establishing a reliable connection between two devices?

Accepted Answer

TCP

Answer

IP

Answer

HTTP

Answer

DNS

Question 6

What is the primary function of the Internet Protocol (IP) in a network?

Accepted Answer

Assigning unique addresses to devices connected to the Internet

Answer

Routing data packets between devices

Answer

Translating domain names into IP addresses

Answer

Encrypting data transmissions

Question 7

Which of the following is a common and harmful type of network security threat that can compromise systems?

Accepted Answer

Malware

Answer

Spam

Answer

Pop-ups

Answer

Cookies

Question 8

What is the main purpose of a firewall in a network security system?

Accepted Answer

Blocking unauthorized access to the network

Answer

Scanning network traffic for suspicious activity

Answer

Encrypting data transmissions

Answer

Providing a secure connection between devices

Question 9

In a star network topology, which device acts as a central hub for connecting all other devices?

Accepted Answer

Hub

Answer

Router

Answer

Switch

Answer

Gateway

Question 10

Within the TCP/IP model, which layer is primarily responsible for ensuring reliable data transmission?

Accepted Answer

Transport Layer

Answer

Application Layer

Answer

Network Layer

Answer

Data Link Layer

Question 11

What's the main purpose of a subnet mask in an IP address?

Accepted Answer

Dividing the IP address into network and host parts

Answer

Identifying the communication protocol

Answer

Ensuring reliable data transfer

Answer

Translating IP addresses to domain names

Question 12

What is the main function of HTML in the context of the World Wide Web?

Accepted Answer

Defines the structure and content of web pages

Answer

Secures data transfer between web servers and clients

Answer

Adds visual design to web pages

Answer

Controls user interactions and web page behavior

Question 13

In a star network topology, devices are connected to a central point. What is this central point called?

Accepted Answer

Hub

Answer

Switch

Answer

Router

Answer

Gateway

Question 14

Which protocol is specifically designed for sending and receiving email over the Internet?

Accepted Answer

SMTP

Answer

HTTP

Answer

FTP

Answer

TCP/IP

Question 15

Which security measure involves transforming data into an unreadable format before transmission to prevent unauthorized access?

Accepted Answer

Encryption

Answer

Access control lists

Answer

Authentication

Answer

Firewalls

Question 16

The primary function of a network interface card (NIC) is to:

Accepted Answer

Connect a device to a network

Answer

Provide security for network communications

Answer

Store network data

Answer

Process network packets

Question 17

Which network topology offers multiple paths for data transmission, increasing reliability?

Accepted Answer

Mesh

Answer

Star

Answer

Bus

Answer

Ring

Question 18

What is the primary responsibility of a router in a network?

Accepted Answer

Directing network traffic between different networks

Answer

Storing network data

Answer

Providing access to the Internet

Answer

Protecting against network attacks

Question 19

Which privacy concern focuses on the ethical use and protection of personal information collected by organizations?

Accepted Answer

Data protection

Answer

Network security

Answer

Identity theft

Question 20

Firewalls primarily serve which purpose in a network?

Accepted Answer

Blocking unauthorized access attempts

Answer

Encrypting network traffic

Answer

Storing network data

Answer

Granting access to authorized users

Question 21

Which network protocol is specifically designed for transferring files over the Internet?

Accepted Answer

FTP

Answer

HTTP

Answer

SMTP

Answer

TCP/IP