Computer Quiz - 4

Q. 1. A ____________ uses long-distance transmission media to link computers separated by distance.

(1) circuit-switching network

(2) Wi-Fi

(3) WAN

(4) LAN

(5) None of these

Ans. (3) A WAN uses long-distance transmission media to link computers separated by distance.

Q.2. Which of the following is NOT considered a network communications device?

(1) Modem

(2) Network interface card (NIC)

(3) Data bus

(4) Router

(5) None of these

Ans. (3) Data Bus is NOT considered a network communications device.

Q. 3. Which one is a valid IP address?

(1) 300.215.317.3

(2) 302.215@417.5

(3) 202.50.20.148

(4) 202-5-20-148

(5) None of these

Ans. (3) 202.50.20.148 is a valid IP address

Q.4. which type of transmission media is known as regular telephone wire?

(1) Wi-Fi

(2) Twisted-pair wire

(3) Fiber optic cable

(4) Coaxial cable

(5) All

Ans. (2) Twisted-pair wire of transmission media is known as regular telephone wire.

Q. 5. What is the purpose of a firewall on a computer?

(1) To protect a computer from unauthorized access

(2) To protect a computer in case of fire

(3) To protect a computer from spam

(4) All of the above

(5) None of these

Ans. (1) The purpose of a firewall on a computer is to protect a computer from unauthorized access.

Q.6. Which of the following layer is not in OSI model?

(1) Physical layer

(2) Internet layer

(3) Network layer

(4) Transport layer

(5) Application layer

Ans. (2) Internet layer is not in OSI model.

Q.7. Copper wire is an example of?

(1) Guided Transmission Media

(2) Unguided Transmission Media

(3) Group Media

(4) Shield Media

(5) None of these

Ans. (1) Guided Transmission Media

Q.8. An unauthorized user is a network _______ issue.

(1) Performance

(2) Reliability

(3) Security

(4) All the above

(5) None of these

Ans. (3) An unauthorized user is a network security issue 

Q.9. Which topology requires a central controller or hub?

(1) Mesh

(2) Star

(3) Bus

(4) Ring

(5) None of these

Ans. (2) Star topology requires a central controller or hub. 

Q.10. Which topology requires a multipoint connection?

(1) Mesh

(2) Star

(3) Bus

(4) Ring

(5) Tree

Ans. (3) Bus topology requires a multipoint connection.