1. What is a Computer Network?
(A) A single computer system
(B) A computer with printer
(C) A collection of interconnected computers
(D) A computer with scanner
2. Which device connects multiple computers in a network?
(A) Monitor
(B) Hub
(C) Keyboard
(D) Scanner
3. What does LAN stand for?
(A) Long Area Network
(B) Large Area Network
(C) Logical Area Network
(D) Local Area Network
4. What does WAN stand for?
(A) Wide Area Network
(B) Web Area Network
(C) Wireless Area Network
(D) Work Area Network
5. Which topology uses a central device?
(A) Bus
(B) Ring
(C) Star
(D) Mesh
6. Which device is used to connect different networks together?
(A) Router
(B) Hub
(C) Switch
(D) Repeater
7. Which topology uses a single backbone cable?
(A) Star
(B) Bus
(C) Ring
(D) Tree
8. The Internet is an example of:
(A) LAN
(B) MAN
(C) WAN
(D) PAN
9. What does IP stand for?
(A) Information Protocol
(B) Internal Protocol
(C) Internet Protocol
(D) Internet Path
10. Which device forwards data based on MAC address?
(A) Router
(B) Modem
(C) Switch
(D) Repeater
11. Which network covers a city?
(A) LAN
(B) PAN
(C) WAN
(D) MAN
12. The smallest unit of data is:
(A) Byte
(B) Bit
(C) Kilobyte
(D) Megabyte
13. Which protocol is used for web browsing?
(A) FTP
(B) HTTP
(C) SMTP
(D) POP3
14. Which protocol is used to send emails?
(A) SMTP
(B) FTP
(C) HTTP
(D) IP
15. Which device converts digital signals to analog signals?
(A) Router
(B) Modem
(C) Switch
(D) Bridge
16. Which topology forms a circle?
(A) Bus
(B) Mesh
(C) Star
(D) Ring
17. Which network device regenerates signals?
(A) Router
(B) Repeater
(C) Bridge
(D) Gateway
18. What does DNS stand for?
(A) Domain Network Service
(B) Data Network System
(C) Digital Name Server
(D) Domain Name System
19. Which protocol is used to transfer files?
(A) POP3
(B) HTTP
(C) SMTP
(D) FTP
20. A private network within an organization is called:
(A) Internet
(B) Intranet
(C) Extranet
(D) WAN