Basic Networking Concepts Quiz

What does data communication refer to?

• The method of encrypting data for secure transmission

• The process of converting digital data into analog signals

• The technique of compressing data for faster transmission

• The transmission of digital data between two or more computers in a network

Answer explanation

Data communication refers to the transmission of digital data between two or more computers in a network, making it the correct choice.

Which media is used to establish a physical connection between network computing devices?

• Cable media

• Wireless media

• Both cable and wireless media

• Optical media

Answer explanation

Both cable and wireless media are used to establish a physical connection between network computing devices. Cable media includes Ethernet cables, while wireless media includes Wi-Fi connections.

What are small bits of information sent over a network called?

• Fragments

• Bytes

• Packets

• Signals

Answer explanation

Packets are small bits of information sent over a network, making them the correct choice in this context.

What type of networks ship data around in small packets?

• Circuit-switched networks

• Packet-switched networks

• Cell-switched networks

• Frame relay networks

Answer explanation

Packet-switched networks ship data around in small packets, making them the correct choice in this scenario.

What does DNS stand for?

• Domain Network Server

• Digital Network Service

• Domain Name System

• Data Network Services

Answer explanation

DNS stands for Domain Name System, which is responsible for translating domain names into IP addresses on the Internet.

What is the purpose of DNS?

• To encrypt data for secure transmission

• To translate domain names to IP addresses

• To compress data for faster transmission

• To route data packets to their destination

Answer explanation

The purpose of DNS is to translate domain names to IP addresses, allowing users to access websites and other resources on the internet by using human-readable names instead of numerical IP addresses.

What is the difference between HTTP and HTTPS?

• There is no difference; they are interchangeable

• HTTPS is an encrypted version of HTTP

• HTTP is more secure than HTTPS

• HTTPS is faster than HTTP

Answer explanation

HTTPS is an encrypted version of HTTP, providing a secure connection by encrypting data transferred between the user and the website.

What protocol is used for receiving email?

• POP3

• IMAP

• HTTP

• SMTP

Answer explanation

POP3 is the protocol used for receiving email, allowing users to retrieve messages from a mail server to their devices.

What does a router do?

• Converts data into a format suitable for transmission

• Stores data for future access

• Forwards data packets between computer networks

• Encrypts data for secure transmission

Answer explanation

A router forwards data packets between computer networks, directing traffic to the appropriate destination, making it the correct choice.

What is a MAC address?

• A type of encryption technology for secure websites

• A protocol for sending email messages between servers

• A hardware identification number that uniquely identifies each device on a network

• A unique address that identifies a device on the internet

Answer explanation

A MAC address is a hardware identification number that uniquely identifies each device on a network.