US Computer Fundamentals (CPF) 2 - Computer Network

Which of the following network is the smallest amongst the networks?

• Metropolitan Area

  Network (MAN)

• Local area network (LAN)

• Personal Area

  Network (PAN)

• Wide area network (WAN)

Answer explanation

A network of devices directly connected to a single computer, e.g., a laptop which is connected to a printer and a smartphone. A PAN is smaller than a LAN.

A computer n______ consists of two or more computers connected to each other for the purpose of communication and sharing of information or resources.

Which of the following statement about the Intranet is correct?

• It can be accessed by anyone.

• It is a private network.

• The number of users is not limited.

• It is an open (public) network.

Answer explanation

Some organizations may set up their network such that a part of it can only be accessed by specific users.

Internet Service Providers (ISPs) which are organizations that provide services for accessing and using the internet.

True or False?

• True

• False

Which of the following statement about the Internet is incorrect?

• It may be considered as a Global network.

• Lower security as users can access without logging in.

• Can be accessed by anyone.

• Higher security as users need

  to log in.

Which of the following cable has a higher data capacity and longer connecting distance?

• 
• 
• 

Which of the following cable is usually use for telephone system?

• 
• 
• 

In wireless networks, data is transmitted using radio _____.

Answer explanation

In wireless networks, data is transmitted without using a physical medium. Instead,

data is transmitted using radio waves.

Which of the technologies is NOT type of wireless communication?

• Bluetooth

• Wired network

• Mobile

  technology

  (e.g., 3G, 4G, 5G)

To enable devices from different networks to communicate, a ______ is required

• router

• switch

• wireless access point

• modem