CN Quiz-1

What is a computer network?

• A group of printers connected together

• A group of devices using a common communication protocol

• A single server sharing resources

• A collection of standalone computers

What is the role of a NIC?

• To provide internet connection

• To physically connect devices to network media

• To manage software updates

• To act as a firewall

What does VoIP stand for?

• Video over Internet Protocol

• Voice over Internet Protocol

• Virtual Online Internet Protocol

• Volume over Internet Protocol

Which device regenerates signals to overcome transmission loss?

• Hub

• Switch

• Repeater

• Gateway

Which device allows data to flow between two different networks?

• Switch

• Repeater

• Gateway

• Hub

Which network device filters and forwards packets based on MAC addresses?

• Switch

• Hub

• Repeater

• Router

Which cable type has the longest maximum cable length?

• Coaxial cable

• Shielded Twisted Pair (STP)

• Unshielded Twisted Pair (UTP)

• Fiber optic cable

What is the maximum speed of UTP cables?

• 10 Mbps

• 100 Mbps

• 1000 Mbps

• 10 Gbps

Which device is responsible for directing data between different LANs?

• Hub

• Router

• NIC

• Repeater

What is the role of a firewall in a network?

• To generate network signals

• To block unauthorized access

• To transmit data packets

• To convert data formats