1. What is the purpose of a firewall on a computer?
2. An unauthorized user is a network _______ issue.
3. Which topology requires a multipoint connection?
4. which type of transmission media is known as regular telephone wire?
5. A ____________ uses long-distance transmission media to link computers separated by distance.
6. Which of the following layer is not in OSI model?
7. Copper wire is an example of?
8. Which of the following is NOT considered a network communications device?
9. Which topology requires a central controller or hub?
10. Which one is a valid IP address?
- (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
2. An unauthorized user is a network _______ issue.
- (1) Performance
- (2) Reliability
- (3) Security
- (4) All the above
- (5) None of these
3. Which topology requires a multipoint connection?
- (1) Mesh
- (2) Star
- (3) Bus
- (4) Ring
- (5) Tree
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
5. 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
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
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
8. 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
9. Which topology requires a central controller or hub?
- (1) Mesh
- (2) Star
- (3) Bus
- (4) Ring
- (5) None of these
10. 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