IT Networking Today

What is the primary purpose of a network?

• To allow devices to share resources
• To protect data from unauthorized access
• To connect only wireless devices
• To store data locally

Answer explanation

Networks enable devices to share resources like files, printers, and internet connections.

Which of the following is an example of a local area network (LAN)?

• The internet
• A home Wi-Fi network
• A connection between cities
• A satellite communication system

Answer explanation

A LAN is a network within a small geographical area, such as a home or office.

What does the term "scalability" mean in networking?

• The ability to increase network size easily and cost-effectively
• The ability to secure a network
• The ability to connect only wireless devices
• The ability to reduce latency

Answer explanation

Scalability refers to the ability of a network to grow without significant redesign or cost.

Which device is responsible for forwarding data packets between networks?

• Switch
• Router
• Access Point
• Firewall

Answer explanation

A router forwards data packets between different networks, such as LANs and WANs.

What is the role of an ISP (Internet Service Provider)?

• To provide internet access
• To secure networks
• To manage local area networks
• To create private IP addresses

Answer explanation

ISPs provide internet access and services to homes and businesses.

What type of network spans a large geographical area?

• LAN
• WAN
• WLAN
• PAN

Answer explanation

A WAN (Wide Area Network) spans large areas, such as cities or countries, and connects multiple LANs.

Which term describes the physical layout of devices in a network?

• Protocol
• Topology
• Bandwidth
• Throughput

Answer explanation

Topology refers to how devices are physically or logically arranged in a network.