Computer Networking Exam

What is the term for two or more computers connected together to share data or resources?

• Switch

• LAN

• WAN

• Network Interface Controller (NIC)

Answer explanation

A network is a term for two or more computers connected together to share data or resources. The correct choice is Network Interface Controller (NIC).

What does Wi-Fi use to transmit data?

• Infrared signals

• Microwaves

• Ultraviolet waves

• Radio waves

Answer explanation

Wi-Fi uses radio waves to transmit data. Radio waves are the correct choice for Wi-Fi transmission.

What is the process of converting readable data into unreadable characters to prevent unauthorized access?

• Encoding

• Encryption

• Hashing

• Decryption

Answer explanation

Encryption is the process of converting readable data into unreadable characters to prevent unauthorized access. It ensures data security by making it difficult for unauthorized individuals to understand the information.

What is the term for a worldwide collection of computer networks that covers a large geographical area?

• The Cloud

• Extranet

• The Internet

• Intranet

Answer explanation

The term for a worldwide collection of computer networks that covers a large geographical area is 'The Internet'. It is a global network of interconnected computers that allows communication and sharing of information across the globe.

What is the unique address assigned to every computer on a network?

• IP Address

• MAC Address

• Ethernet

• URL

Answer explanation

The unique address assigned to every computer on a network is called an IP Address. It identifies the location of a device and allows it to communicate with other devices on the network.

What is the term for a private network within an organization that uses the same kinds of software that you would find on the public internet, but that is only for internal use?

• Extranet

• The Internet

• Intranet

• The Cloud

Answer explanation

An intranet is a private network within an organization that uses the same software as the public internet, but is only for internal use. It is the correct choice because it matches the description given in the question.

What is the process of converting unreadable data back into its original form?

• Encoding

• Decryption

• Hashing

• Encryption

Answer explanation

Decryption is the process of converting unreadable data back into its original form. It is the correct choice because it reverses the encryption process and allows access to the original data.

What is the unique identifier assigned to a network interface controller for communications on the physical network segment?

• IP Address

• URL

• Ethernet

• MAC Address

Answer explanation

A MAC Address is a unique identifier assigned to a network interface controller for communications on the physical network segment. It distinguishes devices on a network and is used for data transmission.

A protocol can be described as a set of (a)  

Answer explanation

A protocol can be described as a set of rules.

What is the term for the protocol that allows computers to exchange data over a network?

• HTTP

• FTP

• TCP/IP

• SMTP

Answer explanation

The term for the protocol that allows computers to exchange data over a network is TCP/IP. It stands for Transmission Control Protocol/Internet Protocol.