Computer Network MCQs and Answers With Explanation – Those who are here to learn about Computer Networks should have a look at this Computer Networks Question & Answers. This Computer Network Quiz will be a huge help for candidates who want to improve and enhance their existing knowledge and in the quest for learning new things about Computer Networking. Here is a brief introduction to computer networks to give you an idea. Computer networks are an essential aspect of modern-day communication and information exchange. With the ever-increasing need for connectivity and accessibility, computer networks have become an integral part of our daily lives.
Computer Network MCQs
A computer network refers to the interconnection of multiple devices such as computers, servers, printers, and other peripherals, allowing them to communicate and share data with each other. As the importance of computer networks continues to grow, it is crucial to have a comprehensive understanding of their functioning and components. To test your knowledge of computer networks, various Computer Network Multiple Choice Questions are available that cover various topics related to network architectures, protocols, security, and much more. In this article, we will explore some of the essential Computer Networking MCQs that will help you assess your understanding of the subject.
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Computer Network Multiple Choice Questions
| Name | Computer Network |
| Exam Type | MCQ (Multiple Choice Questions) |
| Category | Technical Quiz |
| Mode of Quiz | Online |
Top 45 Computer Network MCQ With Answers | Practice Online Quiz
1. Which of the following is NOT a type of network topology?
A) Ring
B) Star
C) Mesh
D) Parallel
Answer: D) Parallel.
Explanation: Parallel is not a type of network topology.
2. What is the maximum number of devices that can be connected to a single USB hub?
A) 4
B) 7
C) 10
D) 127
Answer: D) 127.
Explanation: USB supports up to 127 devices connected to a single USB hub.
3. What is the default subnet mask for a Class C IP address?
A) 255.0.0.0
B) 255.255.0.0
C) 255.255.255.0
D) 255.255.255.255
Answer: C) 255.255.255.0.
Explanation: The default subnet mask for a Class C IP address is 255.255.255.0.
4. Which of the following is NOT a commonly used wireless networking standard?
A) IEEE 802.11a
B) IEEE 802.11b
C) IEEE 802.11g
D) IEEE 802.11q
Answer: D) IEEE 802.11q.
Explanation: IEEE 802.11q is not a commonly used wireless networking standard.
5. Which of the following is used to convert a digital signal to an analog signal for transmission over an analog telephone line?
A) Modem
B) Router
C) Switch
D) Bridge
Answer: A) Modem.
Explanation: Modem is used to convert a digital signal to an analog signal for transmission over an analog telephone line.
6. What is the name of the protocol used for sending email over the internet?
A) HTTP
B) SMTP
C) FTP
D) Telnet
Answer: B) SMTP.
Explanation: SMTP is the protocol used for sending email over the internet.
7. Which of the following is NOT a layer in the OSI model?
A) Application
B) Presentation
C) Session
D) Integration
Answer: D) Integration.
Explanation: Integration is not a layer in the OSI model.
8. What is the maximum length of a single Ethernet cable?
A) 100 meters
B) 200 meters
C) 300 meters
D) 500 meters
Answer: A) 100 meters.
Explanation: The maximum length of a single Ethernet cable is 100 meters.
9. Which of the following is NOT a type of network cable?
A) Coaxial
B) Fiber optic
C) Twisted pair
D) USB
Answer: D) USB.
Explanation: USB is not a type of network cable.
10. Which of the following is NOT a type of routing protocol?
A) RIP
B) OSPF
C) BGP
D) SMTP
Answer: D) SMTP.
Explanation: SMTP is not a type of routing protocol.
11. What is the maximum number of devices that can be connected to a single Ethernet switch?
A) 4
B) 7
C) 10
D) Unlimited
Answer: D) Unlimited.
Explanation: Ethernet switches can theoretically support an unlimited number of devices.
12. Which of the following is NOT a type of wireless encryption?
A) WEP
B) WPA
C) WPA2
D) SSL
Answer: D) SSL.
Explanation: SSL is not a type of wireless encryption.
13. What is the maximum data transfer rate for USB 3.0?
A) 480 Mbps
B) 5 Gbps
C) 10 Gbps
D) 40
Answer: B) 5 Gbps.
Explanation: USB 3.0 has a maximum data transfer rate of 5 Gbps.
14. What is the default port number for HTTP traffic?
A) 80
B) 110
C) 143
D) 443
Answer: A) 80.
Explanation: The default port number for HTTP traffic is 80.
15. Which of the following is NOT a type of firewall?
A) Packet-filtering firewall
B) Proxy firewall
C) Stateful firewall
D) Bridge firewall
Answer: D) Bridge firewall.
Explanation: Bridge firewall is not a type of firewall.
16. Which of the following is NOT a commonly used network top-level domain (TLD)?
A) .com
B) .org
C) .net
D) .edu
Answer: D) .edu.
Explanation: .edu is not a commonly used network top-level domain (TLD).
17. What is the default subnet mask for a Class B IP address?
A) 255.0.0.0
B) 255.255.0.0
C) 255.255.255.0
D) 255.255.255.255
Answer: B) 255.255.0.0.
Explanation: The default subnet mask for a Class B IP address is 255.255.0.0.
18. Which of the following is used to connect two LANs together over a long distance?
A) Switch
B) Hub
C) Router
D) Bridge
Answer: C) Router.
Explanation: Router is used to connect two LANs together over a long distance.
19. Which of the following is NOT a type of network architecture?
A) Client-server
B) Peer-to-peer
C) Cloud-based
D) Ring-based
Answer: D) Ring-based.
Explanation: Ring-based is not a type of network architecture.
20. Which of the following is NOT a type of wireless antenna?
A) Dipole
B) Parabolic
C) Yagi
D) Coaxial
Answer: D) Coaxial.
Explanation: Coaxial is not a type of wireless antenna.
21. What is the maximum number of bits in an IPv6 address?
A) 32
B) 64
C) 128
D) 256
Answer: C) 128.
Explanation: IPv6 addresses have a maximum of 128 bits.
22. Which of the following is NOT a type of network top-level domain (TLD)?
A) .gov
B) .mil
C) .edu
D) .com
Answer: D) .com.
Explanation: .com is not a type of network top-level domain (TLD).
23. Which of the following is used to identify a specific device on a network?
A) IP address
B) MAC address
C) Port number
D) URL
Answer: B) MAC address.
Explanation: MAC address is used to identify a specific device on a network.
24. Which of the following is NOT a type of network protocol?
A) TCP
B) UDP
C) HTTP
D) HTTPS
Answer: D) HTTPS.
Explanation: HTTPS is not a type of network protocol.
25. What is the maximum range of a typical Bluetooth connection?
A) 10 meters
B) 30 meters
C) 100 meters
D) 300 meters
Answer: B) 30 meters.
Explanation: The maximum range of a typical Bluetooth connection is 30 meters.
26. Which of the following is NOT a type of network attack?
A) Phishing
B) Spoofing
C) Hacking
D) Encryption
Answer: D) Encryption.
Explanation: Encryption is not a type of network attack.
27. What is the maximum data transfer rate of a Gigabit Ethernet connection?
A) 1 Mbps
B) 100 Mbps
C) 1 Gbps
D) 10 Gbps
Answer: C) 1 Gbps.
Explanation: The maximum data transfer rate of a Gigabit Ethernet connection is 1 Gbps.
28. Which of the following is NOT a type of network device?
A) Switch
B) Router
C) Modem
D) Monitor
Answer: D) Monitor.
Explanation: Monitor is not a type of network device.
29. Which of the following is NOT a type of network address translation (NAT)?
A) Static NAT
B) Dynamic NAT
C) Port forwarding
D) DNS resolution
Answer: D) DNS resolution.
Explanation: DNS resolution is not a type of network address translation (NAT).
30. Which of the following is NOT a type of network authentication?
A) Password
B) Biometric
C) Token
D) File sharing
Answer: D) File sharing.
Explanation: File sharing is not a type of network authentication.
31. Which of the following is NOT a type of network port?
A) TCP
B) UDP
C) FTP
D) HTTP
Answer: C) FTP.
Explanation: FTP is not a type of network port.
32. What is the maximum data transfer rate of a USB 2.0 connection?
A) 480 Mbps
B) 5 Gbps
C) 10 Gbps
D) 100 Gbps
Answer: A) 480 Mbps.
Explanation: The maximum data transfer rate of a USB 2.0 connection is 480 Mbps.
33. Which of the following is NOT a type of network cable category?
A) Category 5
B) Category 6
C) Category 7
D) Category 10
Answer: D) Category 10.
Explanation: Category 10 is not a type of network cable category.
34. Which of the following is used to convert a domain name to an IP address?
A) DNS
B) DHCP
C) NAT
D) FTP
Answer: A) DNS.
Explanation: DNS is used to convert a domain name to an IP address.
35. Which of the following is used to assign an IP address to a device on a network?
A) DNS
B) DHCP
C) NAT
D) FTP
Answer: B) DHCP.
Explanation: DHCP is used to assign an IP address to a device on a network.
36. Which of the following is a method of securing a wireless network by hiding the network’s SSID?
A) WEP
B) WPA
C) WPA2
D) SSID broadcast disabled
Answer: D) SSID broadcast disabled.
Explanation: Hiding the network’s SSID is a method of securing a wireless network.
37. Which of the following is NOT a type of network firewall?
A) Packet filtering firewall
B) Proxy firewall
C) Stateful firewall
D) Encryption firewall
Answer: D) Encryption firewall.
Explanation: Encryption firewall is not a type of network firewall.
38. Which of the following is NOT a type of network address?
A) IP address
B) MAC address
C) URL
D) Subnet mask
Answer: C) URL.
Explanation: URL is not a type of network address.
39. Which of the following is NOT a type of network transmission media?
A) Coaxial cable
B) Fiber optic cable
C) Wireless
D) Bluetooth
Answer: D) Bluetooth.
Explanation: Bluetooth is a wireless technology, not a type of network transmission media.
40. Which of the following is NOT a type of network topologies?
A) Star
B) Ring
C) Mesh
D) Spectrum
Answer: D) Spectrum.
Explanation: Spectrum is not a type of network topology.
41. What is the default port number for HTTP connections?
A) 21
B) 22
C) 80
D) 443
Answer: C) 80.
Explanation: The default port number for HTTP connections is 80.
42. What is the name of the protocol used by email clients to retrieve email from a server?
A) POP
B) SMTP
C) FTP
D) HTTP
Answer: A) POP.
Explanation: The protocol used by email clients to retrieve email from a server is POP (Post Office Protocol).
43. Which of the following is NOT a type of network routing protocol?
A) RIP
B) OSPF
C) BGP
D) SMTP
Answer: D) SMTP.
Explanation: SMTP is not a type of network routing protocol.
44. Which of the following is a method of assigning IP addresses dynamically to network devices?
A) Static IP addressing
B) Dynamic IP addressing
C) Manual IP addressing
D) Fixed IP addressing
Answer: B) Dynamic IP addressing.
Explanation: Dynamic IP addressing is a method of assigning IP addresses dynamically to network devices.
45. Which of the following is a protocol used for remote access to a network device?
A) Telnet
B) FTP
C) SMTP
D) HTTP
Answer: A) Telnet.
Explanation: Telnet is a protocol used for remote access to a network device.
Computer networks have become an essential part of our daily lives, playing a crucial role in modern-day communication and information exchange. Checking out these Top 45 Computer Network MCQs With Answers can help individuals improve their knowledge of computer networking and keep them up-to-date with the latest developments in this field. Overall, Computer Network MCQs are an excellent way to test and enhance one’s understanding of this crucial subject. If you find this article helpful, we suggest bookmarking our Freshersnow portal to get more updates like this.