What is a Network Practice Quiz

The primary purpose of a network is to (a)   .

• To play games

• To share resources like files and information
• To watch movies

• To print documents

Answer explanation

The primary purpose of a network is to share resources like files and information. While playing games, watching movies, and printing documents are activities that can occur on a network, they are not its main purpose.

Which type of network typically covers a small geographic area like a single building?

• WAN (Wide Area Network)

• MAN (Metropolitan Area Network)

• LAN (Local Area Network)

• PAN (Personal Area Network)

Answer explanation

A LAN (Local Area Network) is designed to cover a small geographic area, such as a single building, making it the correct choice. In contrast, WANs cover larger areas, while MANs and PANs serve metropolitan and personal spaces, respectively.

A firewall in a network (a)   based on security rules.

• It speeds up internet connections

• It monitors and controls network traffic
• It connects multiple networks

• It provides free internet access

Answer explanation

The correct choice, 'It monitors and controls network traffic', accurately describes a firewall's primary function, which is to enforce security rules by filtering incoming and outgoing network data.

Which network type is used for connecting personal devices within a few miles?

• WLAN (Wireless Local Area Network)

• PAN (Personal Area Network)

• MAN (Metropolitan Area Network)

• WAN (Wide Area Network)

Answer explanation

A Personal Area Network (PAN) is designed for connecting personal devices over short distances, typically within a few meters to a few miles, making it the correct choice for this question.

What is a VPN used for in networking?

• To increase download speeds

• To create a secure connection over the internet

• To block websites

• To provide free Wi-Fi

Answer explanation

A VPN (Virtual Private Network) is primarily used to create a secure connection over the internet, encrypting data and protecting user privacy. The other options do not accurately describe the main function of a VPN.

An intranet is (a)  

• A network accessible to the public

• A private network for an organization
• A network for sharing files with everyone
• A public social media platform

Answer explanation

An intranet is a private network for an organization, allowing secure communication and resource sharing among its members, unlike public networks or social media platforms.

The main purpose of password protection in networking is to (a)   .

• To increase internet speed

• To restrict access to network resources
• To allow free access to everyone

• To share passwords with others

Answer explanation

The main purpose of password protection in networking is to restrict access to network resources, ensuring that only authorized users can access sensitive information and maintain security.

Which protocol suite is foundational for internet communication?

• HTTP

• FTP

• TCP/IP

• SMTP

Answer explanation

The TCP/IP protocol suite is the foundational technology for internet communication, enabling data exchange across networks. Other options like HTTP, FTP, and SMTP are built on top of TCP/IP, making it the core protocol suite.

What is the difference between a LAN and a WAN?

• LAN connects devices over large distances, WAN is local

• LAN is for public use, WAN is private

• LAN connects devices in a limited area, WAN connects multiple LANs over broader distances

• LAN is wireless, WAN is wired

Answer explanation

A LAN (Local Area Network) connects devices within a limited area, like a home or office, while a WAN (Wide Area Network) connects multiple LANs over broader distances, such as cities or countries.

How does an extranet differ from an intranet?

• An extranet is for internal users only

• An extranet allows controlled access to outsiders

• An extranet is a public network

• An extranet is faster than an intranet

Answer explanation

An extranet differs from an intranet in that it allows controlled access to outsiders, enabling collaboration with external partners while keeping internal resources secure.