Data Comms and Networking I Prelims (Check Your Understanding)

Which of the following is the name for all computers connected to a network that participate directly in network communication?

• servers

• intermediary devices

• hosts

• media

Answer explanation

Hosts are all computers connected to a network that participate directly in network communication.

When data is encoded as pulses of light, which media is being used to transmit the data?

• wireless

• Fiber-optic cable

• copper cable

Answer explanation

Fiber-optic cable is the media is being used to transmit the data when data is encoded as pulses of light.

Which two devices are intermediary devices? (Choose two)

• hosts

• routers

• servers

• switches

Answer explanation

Routers and switches are intermediary devices.

Which connection physically connects the end device to the network?

• Port

• NIC

• Interface

Answer explanation

A NIC is a specialized port on a networking device that connects to individual networks.

Which connections are specialized ports on a networking device that connect to individual networks?

• Port

• NIC

• Interface

Answer explanation

An interface physically connects the end device to the network.

Which type of network topology lets you see which end devices are connected to which intermediary devices and what media is being used?

• Physical topology

• Logical topology

Answer explanation

The logical topology lets you see which end devices are connected to which intermediary devices and what media is being used.

Which type of network topology lets you see the actual location of intermediary devices and cable installation?

• Physical topology

• Logical topology

Answer explanation

The physical topology lets you see the actual location of intermediary devices and cable installation.

Which network infrastructure provides access to users and end devices in a small geographical area, which is typically a network in a department in an enterprise, a home, or small business?

• Extranet

• Intranet

• LAN

• WAN

Answer explanation

A LAN provides access to users and end devices in a small geographical area.

Which network infrastructure might an organization use to provide secure and safe access to individuals who work for a different organization but require access to the organization’s data?

• Extranet

• Intranet

• LAN

• WAN

Answer explanation

An extranet provides secure and safe access to individuals who work for a different organization but require access to the organization’s data.

Which network infrastructure provides access to other networks over a large geographical area, which is often owned and managed by a telecommunications service provider?

• Extranet

• Intranet

• LAN

• WAN

Answer explanation

A WAN provides access to other networks over a large geographical area.