Exploring Computer Networks Quiz

What is the primary advantage of wireless communication over wired communication?

• Higher data transfer rates

• Mobility and flexibility

• Lower interference

• Better security

Which of the following is a mode of communication where data is sent in both directions, but not simultaneously?

• Simplex

• Half-duplex

• Full-duplex

• Multiplex

What type of link is used when two devices are directly connected without any intermediate device?

• Point-to-point

• Multipoint

• Broadcast

• Unicast

Which device is used to connect multiple devices in a network and operates at the data link layer?

• Router

• Switch

• Hub

• Modem

What is the main disadvantage of using coaxial cable in wired communication?

• High cost

• Limited bandwidth

• Susceptibility to interference

• Bulky and difficult to install

Which type of cable is most commonly used in Ethernet networks?

• Coaxial Cable

• Unshielded Twisted Pair (UTP)

• Shielded Twisted Pair (STP)

• Fiber Optic Cable

What is the primary benefit of using Shielded Twisted Pair (STP) over Unshielded Twisted Pair (UTP)?

• Lower cost

• Easier installation

• Better protection against electromagnetic interference

• Higher data transfer rates

Which of the following is a characteristic of fibre optic cables?

• High susceptibility to electromagnetic interference

• Low bandwidth

• Long-distance data transmission

• Heavy and difficult to install

In wireless communication, what does the term "SSID" stand for?

• Secure System Identification

• Service Set Identifier

• Signal Strength Indicator

• Standard Signal Identification

Which of the following is NOT a computer network device?

• Router

• Switch

• Firewall

• Keyboard