1. What does an IP address represent?
- A physical address of a device in a network
- A type of network cable
- A protocol for transferring data packets
- A unique identifier for a device on a network
Networking Basics IP Addressing, Subnetting and Routing MCQs
Test your knowledge of Networking Basics, IP Addressing, Subnetting and Routing with these expert-crafted MCQs. Practice for exams with instant results.
📌 Important Exam Instructions
- ✅ This is a free online test. Do not pay anyone claiming otherwise.
- 📋 Total Questions: 30
- ⏳ Time Limit: 30 minutes
- 📝 Marking Scheme: +1 for each correct answer. No negative marking.
- ⚠️ Avoid page refresh or closing the browser tab to prevent loss of test data.
- 🔍 Carefully read all questions before submitting your answers.
- 🎯 Best of Luck! Stay focused and do your best. 🚀
Time Left (min): 00:00
2. Which class of IP address is used for private networks?
- Class A
- Class B
- Class C
- Class D
3. Which IP address range is reserved for private networks in Class A?
- 192.168.0.0 to 192.168.255.255
- 172.16.0.0 to 172.31.255.255
- 224.0.0.0 to 239.255.255.255
- 10.0.0.0 to 10.255.255.255
4. What is the default subnet mask for a Class A IP address?
- 255.0.0.0
- 255.255.0.0
- 255.255.255.0
- 255.255.255.255
5. What does CIDR stand for in IP addressing?
- Classful Internet Data Routing
- Constant Inter-Domain Routing
- Centralized Internet Data Routing
- Classless Inter-Domain Routing
6. What is the purpose of a subnet mask?
- To identify the network portion of an IP address
- To encrypt network data
- To assign MAC addresses to devices
- To dynamically assign IP addresses
7. Which of the following IP addresses is a valid Class C private address?
- 192.168.1.1
- 10.0.0.1
- 172.16.0.1
- 200.100.50.25
8. What is the term used for the number of bits that represent the network portion in a subnet mask?
- Subnet bits
- Host bits
- Address bits
- Network bits
9. Which of the following is a valid IP address for a Class B network?
- 192.168.0.1
- 172.16.5.6
- 224.0.0.1
- 10.1.1.1
10. What is the valid range of IP addresses for a Class A network?
- 128.0.0.0 to 191.255.255.255
- 192.0.0.0 to 223.255.255.255
- 224.0.0.0 to 239.255.255.255
- 0.0.0.0 to 127.255.255.255
11. What is the first step in the routing process for a data packet?
- The data is sent to the correct IP address
- The router looks at the destination MAC address
- The router checks the destination IP address
- The data is encrypted
12. What is the purpose of a default gateway in a network?
- To provide DNS resolution
- To assign IP addresses
- To prevent unauthorized access
- To route traffic from a local network to external networks
13. Which of the following best describes static routing?
- The routing table is automatically updated
- Routing decisions are made based on the shortest path
- Routes change dynamically based on network conditions
- Routes are manually configured by the network administrator
14. What is the main purpose of the Routing Information Protocol (RIP)?
- To assign IP addresses to devices
- To enable secure communications over a network
- To encrypt data packets
- To route data packets between networks
15. What is an example of a network address?
- 192.168.1.255
- 10.0.0.0
- 255.255.255.0
- 172.16.5.10
16. What is the purpose of the IP address range 169.254.x.x?
- It is used for public networks
- It is used for automatic private IP addressing (APIPA)
- It is reserved for private networks
- It is reserved for multicast communication
17. What is the subnet mask for the IP address 192.168.1.10 with a /24 prefix?
- 255.255.0.0
- 255.255.255.0
- 255.255.255.255
- 255.0.0.0
18. How many usable host IP addresses are available in a Class C network with a subnet mask of 255.255.255.0?
- 256
- 128
- 512
- 254
19. What is the purpose of Network Address Translation (NAT)?
- To assign IP addresses to devices automatically
- To route data packets between networks
- To block unauthorized network traffic
- To convert public IP addresses into private IP addresses
20. Which routing protocol uses the distance-vector algorithm?
- OSPF
- BGP
- EIGRP
- RIP
21. What does a routing table contain?
- A list of devices connected to the network
- A list of network destinations and their corresponding next-hop addresses
- A list of available IP addresses
- A list of available protocols in the network
22. Which of the following is used to find the network portion of an IP address?
- Subnet mask
- IP address
- DNS address
- MAC address
23. What is the main purpose of an IP router?
- To assign IP addresses to devices
- To filter network traffic
- To forward data packets between different networks
- To encrypt data packets
24. What is the maximum number of subnets available in a Class B network with a subnet mask of 255.255.255.0?
- 128
- 64
- 256
- 16
25. Which of the following is used to subnet a Class A IP address?
- 255.0.0.0
- 255.255.255.0
- 255.255.255.255
- 255.255.0.0
26. What is the broadcast address for the IP address 192.168.10.25 with a subnet mask of 255.255.255.0?
- 192.168.10.0
- 192.168.1.255
- 255.255.255.255
- 192.168.10.255
27. What is the purpose of routing in a network?
- To forward data packets to their correct destination based on IP address
- To manage network traffic based on domain names
- To assign IP addresses dynamically
- To physically connect devices
28. What is the main function of a router in a network?
- To connect devices within the same network
- To assign IP addresses to devices
- To amplify network signals
- To forward data packets between different networks
29. What does the 'default gateway' refer to in a network?
- The device responsible for assigning IP addresses
- The device that routes traffic between local networks and the internet
- The server responsible for managing network security
- The address of the DNS server
30. What is the maximum number of hosts that can be accommodated in a subnet with a subnet mask of 255.255.255.128?
- 128
- 254
- 126
- 512