Networking Online Test

Created by

Vikash chaudhary

This 'Networking Online Test' covers questions across all the topics related to the Networking like WiFi, Ethernet, LAN, WAN, IP, ISP, etc

Get fresh, new questions in each attempt.

Total Questions: 30
Time Allotted: 30 minutes
Passing Score: 50%
Randomization: Yes
Certificate: Yes
Do not refresh the page!
👍 All the best!

1 / 30

1. What happens if a device's ARP cache becomes outdated or corrupted?

a) The device cannot communicate with other devices on the network

b) The device sends ARP requests to update its ARP cache

c) The device's DNS resolution fails

d) The device automatically resets its network settings

2 / 30

2. What is the role of a RADIUS server in WPA2-Enterprise authentication?

a) To generate pre-shared keys for all devices on the network

b) To authenticate individual users and devices on the network

c) To broadcast wireless network information to all devices in the vicinity

d) To encrypt wireless network traffic using AES encryption

3 / 30

3. What is the main function of the Network layer?

a) Formatting data for network transmission

b) Providing logical addressing and path determination

c) Establishing, managing, and terminating sessions

d) Providing error-free data transfer

4 / 30

4. What is the difference between a modem and a router?

a) A modem forwards data packets between different networks, while a router converts digital data into analog signals for transmission over communication lines.

b) A modem operates at the data link layer of the OSI model, while a router operates at the network layer.

c) A modem converts digital data into analog signals for transmission over communication lines, while a router manages network traffic and ensures data delivery between networks.

d) A modem connects devices within the same network, while a router connects different networks.

5 / 30

5. What information does the `ping` command provide?

a) The route taken by packets to reach a destination host

b) Network interface configuration information of the local host

c) Round-trip time, packet loss percentage, and destination IP address

d) DNS (Domain Name System) information for a specified domain name

6 / 30

6. How many bits are used for IP addresses in IPv4?

a) 32 bits

b) 64 bits

c) 128 bits

d) 256 bits

7 / 30

7. What is the primary advantage of using a VPN for remote access?

a) Improved network performance and scalability

b) Enhanced network security and encryption of sensitive data

c) Reduced network complexity and management overhead

d) Increased compatibility with older devices and networks

8 / 30

8. Which protocol is essential for sending emails from a client to a mail server?

a) HTTP

b) FTP

c) SMTP

d) HTTPS

9 / 30

9. What is a VPN tunnel?

a) A physical connection between two network devices

b) A logical connection established over a public network, such as the internet, to securely transmit data between two private networks

c) A wireless connection used to connect to a corporate network remotely

d) A virtual private network created using VPN software

10 / 30

10. What is the difference between authentication and authorization in network security?

a) Authentication verifies the identity of users or devices, while authorization grants or denies access to network resources.

b) Authentication grants or denies access to network resources, while authorization verifies the identity of users or devices.

c) Authentication and authorization are two terms for the same process in network security.

d) Authentication and authorization are not relevant to network security.

11 / 30

11. What is the role of the attacker in a Man-in-the-Middle (MitM) attack?

a) The attacker acts as a passive observer, simply intercepting communication between two parties.

b) The attacker acts as an active participant, engaging in communication with both parties while intercepting and potentially altering the messages.

c) The attacker acts as a defender, protecting the communication between two parties from external threats.

d) The attacker acts as a mediator, facilitating communication between two parties without interfering with the messages.

12 / 30

12. What is the main difference between point-to-multipoint and multipoint-to-multipoint topologies?

a) The number of central nodes

b) The direction and flow of data transmission

c) The type of devices connected

d) The physical layout of the network

13 / 30

13. What is WPA encryption?

a) Wi-Fi Privacy Access

b) Wired Protected Access

c) Wi-Fi Protected Access

d) Wireless Privacy Algorithm

14 / 30

14. What is the purpose of access control lists (ACLs) in network security?

a) To encrypt data transmissions over the network

b) To monitor network traffic for security threats

c) To grant or deny access to network resources based on defined rules

d) To identify and verify the identity of users or devices

15 / 30

15. Which of the following is a potential drawback of a hybrid topology?

a) Lack of flexibility

b) High implementation and maintenance costs

c) Limited scalability

d) Reduced fault tolerance

16 / 30

16. What is a primary advantage of a mesh topology?

a) Simplified network design

b) Reduced cabling requirements

c) High redundancy and fault tolerance

d) Centralized control

17 / 30

17. What is a major drawback of implementing a mesh topology?

a) High cost and complexity due to extensive cabling

b) Limited fault tolerance

c) Centralized failure point

d) Slow data transmission speeds

18 / 30

18. How does a Man-in-the-Middle (MitM) attack typically occur?

a) A Man-in-the-Middle (MitM) attack typically occurs when an attacker gains physical access to a network infrastructure device.

b) A Man-in-the-Middle (MitM) attack typically occurs when an attacker exploits vulnerabilities in the encryption protocols used to secure network communication.

c) A Man-in-the-Middle (MitM) attack typically occurs when an attacker intercepts communication between two parties by inserting themselves into the communication path.

d) A Man-in-the-Middle (MitM) attack typically occurs when an attacker floods a target system with a large volume of traffic or requests.

19 / 30

19. What is the difference between a unicast and a multicast MAC address?

a) A unicast MAC address is used for communication between two individual devices, while a multicast MAC address is used for communication to a specific group of devices.

b) A unicast MAC address is used for communication within the same VLAN, while a multicast MAC address is used for communication between different VLANs.

c) A unicast MAC address is used for communication within a LAN, while a multicast MAC address is used for communication over the internet.

d) A unicast MAC address is used for communication with devices in promiscuous mode, while a multicast MAC address is used for communication with devices in normal mode.

20 / 30

20. What is the primary purpose of HTTP in the TCP/IP model?

a) To transfer files between computers

b) To send and receive emails

c) To retrieve and display web pages

d) To provide secure data transmission

21 / 30

21. What advantage does a switch offer over a hub?

a) Lower cost

b) Simpler configuration

c) Higher data transfer rates

d) More ports

22 / 30

22. How does ARP work?

a) By broadcasting an IP address and waiting for the corresponding MAC address to respond

b) By querying a DNS server for the MAC address associated with a given IP address

c) By encrypting IP addresses and MAC addresses for secure transmission

d) By establishing a direct connection between devices using their MAC addresses

23 / 30

23. What happens if a device with a private IP address tries to communicate directly with a device outside its local network?

a) The communication is blocked by the device's firewall

b) The communication is automatically routed through a NAT gateway

c) The communication fails because private IP addresses are not routable on the internet

d) The communication is automatically translated to a public IP address by the device's DHCP server

24 / 30

24. What is a virtual private network (VPN)?

a) A virtual private network (VPN) is a network encryption technique that encrypts data at each network node.

b) A virtual private network (VPN) is a network encryption technique that encrypts data only during transmission between endpoints.

c) A virtual private network (VPN) is a network access control mechanism that grants or denies access to network resources based on defined rules.

d) A virtual private network (VPN) is a secure network connection established over a public network, such as the internet, allowing users to access and transmit data securely as if they were directly connected to a private network.

25 / 30

25. What is the primary function of the Physical layer in the OSI model?

a) Ensuring data packets are routed correctly

b) Providing a physical connection for data transmission

c) Encrypting data for secure communication

d) Establishing sessions between applications

26 / 30

26. What is a hardware firewall?

a) A hardware firewall is a software-based security system installed on individual computers or network devices.

b) A hardware firewall is a standalone device positioned between a private internal network and external networks, such as the internet, to filter network traffic based on predefined security rules.

c) A hardware firewall is a cryptographic protocol used to encrypt data transmitted over a network.

d) A hardware firewall is a network access control mechanism that grants or denies access to network resources based on defined rules.

27 / 30

27. What is subnetting in networking?

a) Dividing a network into smaller, manageable sub-networks

b) Combining multiple networks into a single, larger network

c) Configuring a router to connect two separate networks

d) Assigning unique IP addresses to each device in a network

28 / 30

28. In which scenario is UDP preferred over TCP?

a) When reliable data transmission is crucial

b) For file transfer applications

c) For real-time applications like online gaming and live streaming

d) When data security is a primary concern

29 / 30

29. What is the range of IP addresses reserved for private networks according to RFC 1918?

a) 10.0.0.0 - 10.255.255.255, 172.16.0.0 - 172.31.255.255, 192.168.0.0 - 192.168.255.255

b) 169.254.0.0 - 169.254.255.255

c) 192.0.2.0 - 192.0.2.255

d) 127.0.0.0 - 127.255.255.255

30 / 30

30. What is the maximum number of subnets that can be created with a /26 CIDR notation?

a) 16

b) 32

c) 64

d) 128

Please provide accurate information so we can send your Achievement Certificate by mail.

NameEmailPhone Number

Your score is

Please provide your feedback.

Thank you for your valuable feedback.

Buy Networking MCQ PDF for Offline Study

This 'Networking Online Test' covers questions across all the topics related to the Networking like WiFi, Ethernet, LAN, WAN, IP, ISP, etc

Please provide accurate information so we can send your Achievement Certificate by mail.

Related MCQs