30 IP Addressing Quiz Questions and Answers

IP addressing, short for Internet Protocol addressing, is a fundamental concept in computer networking and the Internet. It is a numerical label assigned to each device connected to a network that uses the Internet Protocol for communication. IP addresses are used to identify and locate devices on a network, enabling data packets to be sent from one device to another across the internet or within a local area network (LAN).

There are two versions of IP addresses commonly used today:

1. IPv4 (Internet Protocol version 4): This is the older and more widely used version of IP addressing. An IPv4 address is a 32-bit number expressed as four sets of decimal numbers separated by periods (e.g., 192.168.0.1). There are approximately 4.3 billion possible IPv4 addresses, which has become a limitation as the number of devices connected to the internet has grown exponentially.

2. IPv6 (Internet Protocol version 6): To overcome the limitation of IPv4 addresses, IPv6 was introduced. IPv6 addresses are 128-bit numbers represented as eight groups of hexadecimal digits separated by colons (e.g., 2001:0db8:85a3:0000:0000:8a2e:0370:7334). This provides an enormous number of possible addresses, allowing for the proliferation of internet-connected devices.

IP addressing plays a crucial role in data communication as it helps routers and other networking devices to determine the best path for data packets to reach their intended destination. When a device wants to send data to another device on the network or internet, it includes the destination’s IP address in the packet header. Routers use this information to forward the packet along the appropriate network paths until it reaches its destination.

Article overview

• Part 1: 30 IP addressing quiz questions & answers
• Part 2: Download IP addressing questions & answers for free
• Part 3: Free online quiz software – OnlineExamMaker

Part 1: 30 IP addressing quiz questions & answers

1. What does “IP” stand for in IP addressing?
a) Internet Provider
b) Internet Protocol
c) Internet Port
d) Internet Package
Answer: b) Internet Protocol

2. Which version of IP addressing uses 32-bit numbers?
a) IPv2
b) IPv4
c) IPv6
d) IPv8
Answer: b) IPv4

3. How many bits are there in an IPv4 address?
a) 16 bits
b) 32 bits
c) 64 bits
d) 128 bits
Answer: b) 32 bits

4. Which of the following is an example of an IPv4 address?
a) 2001:0db8:85a3:0000:0000:8a2e:0370:7334
b) 192.168.0.1
c) 3ffe:1900:4545:3:200:f8ff:fe21:67cf
d) 10.0.0.256
Answer: b) 192.168.0.1

5. How many groups of numbers are there in an IPv4 address?
a) 4
b) 6
c) 8
d) 12
Answer: a) 4

6. Which version of IP addressing uses 128-bit numbers?
a) IPv2
b) IPv4
c) IPv6
d) IPv8
Answer: c) IPv6

7. What is the hexadecimal representation of an IPv6 address?
a) 192.168.0.1
b) 2001:0db8:85a3:0000:0000:8a2e:0370:7334
c) 3ffe:1900:4545:3:200:f8ff:fe21:67cf
d) 10.0.0.256
Answer: b) 2001:0db8:85a3:0000:0000:8a2e:0370:7334

8. How many bits are there in an IPv6 address?
a) 16 bits
b) 32 bits
c) 64 bits
d) 128 bits
Answer: d) 128 bits

9. Which of the following is an example of a private IPv4 address range?
a) 172.16.0.0 – 172.31.255.255
b) 192.168.0.0 – 192.168.255.255
c) 10.0.0.0 – 10.255.255.255
d) All of the above
Answer: d) All of the above

10. What is the loopback address in IPv4?
a) 127.0.0.1
b) 0.0.0.0
c) 255.255.255.255
d) 10.0.0.1
Answer: a) 127.0.0.1

11. Which of the following is used to assign IP addresses dynamically to devices on a network?
a) DHCP
b) DNS
c) FTP
d) HTTP
Answer: a) DHCP

12. What is the subnet mask used for in IP addressing?
a) To identify the network portion of an IP address
b) To identify the host portion of an IP address
c) To identify the default gateway
d) To identify the DNS server
Answer: a) To identify the network portion of an IP address

13. Which class of IPv4 addresses is used for multicasting?
a) Class A
b) Class B
c) Class C
d) Class D
Answer: d) Class D

14. How many bits are used for the network portion in a Class C IPv4 address?
a) 8 bits
b) 16 bits
c) 24 bits
d) 32 bits
Answer: c) 24 bits

15. Which IPv6 address is used for loopback testing similar to the IPv4 loopback address 127.0.0.1?
a) ::1
b) ::127.0.0.1
c) ::0
d) ::255.255.255.255
Answer: a) ::1

Part 2: Download IP addressing questions & answers for free

16. What is the purpose of Network Address Translation (NAT) in IP addressing?
a) To translate IPv6 addresses to IPv4 addresses
b) To translate public IP addresses to private IP addresses
c) To translate DNS names to IP addresses
d) To translate multicast addresses to unicast addresses
Answer: b) To translate public IP addresses to private IP addresses

17. In an IPv6 address, how are consecutive groups of zeros represented?
a) ::1
b) ::127.0.0.1
c) ::0
d) ::255.255.255.255
Answer: c) ::0

18. Which of the following is a link-local IPv6 address?
a) FE80::1
b) 2001:0db8:85a3:0000:0000:8a2e:0370:7334
c) 192.168.0.1
d) FF02::1
Answer: a) FE80::1

19. What is the purpose of the default gateway in IP addressing?
a) To identify the network portion of an IP address
b) To identify the host portion of an IP address
c) To identify the router used to reach other networks
d) To identify the DNS server
Answer: c) To identify the router used to reach other networks

20. Which of the following is a public IPv4 address?
a) 192.168.0.1
b) 10.0.0.1
c) 172.16.0.1
d) 216.58.214.206
Answer: d) 216.58.214.206

21. What is the maximum number of unique IPv4 addresses possible?
a) Approximately 4.3 billion
b) Approximately 16 million
c) Approximately 18 quintillion
d) Approximately 340 undecillion
Answer: a) Approximately 4.3 billion

22. What is the maximum number of unique IPv6 addresses possible?
a) Approximately 4.3 billion
b) Approximately 16 million
c) Approximately 18 quintillion
d) Approximately 340 undecillion
Answer: d) Approximately 340 undecillion

23. Which of the following is used to represent an IPv6 address with an embedded IPv4 address?
a) Tunneling
b) Subnetting
c) Multicasting
d) CIDR
Answer: a) Tunneling

24. Which organization is responsible for assigning and managing IP address allocations globally?
a) Internet Engineering Task Force (IETF)
b) Internet Corporation for Assigned Names and Numbers (ICANN)
c) American Registry for Internet Numbers (ARIN)
d) Internet Assigned Numbers Authority (IANA)
Answer: d) Internet Assigned Numbers Authority (IANA)

25. Which of the following IP addresses is reserved for broadcast within a network?
a) 0.0.0.0
b) 127.0.0.1
c) 255.255.255.255
d) 10.0.0.1
Answer: c) 255.255.255.255

26. Which type of IP address can be accessed and used on the internet?
a) Private IP address
b) Public IP address
c) Dynamic IP address
d) Loopback IP address
Answer: b) Public IP address

27. How many bits are used to represent an IPv4 address in binary?
a) 4 bits
b) 8 bits
c) 32 bits
d) 64 bits
Answer: c) 32 bits

28. Which of the following is a valid IPv6 address?
a) 2001:0db8:85a3:::8a2e:0370:7334
b) 2001:0db8:85a3:0000:0000:8a2e:0370:7334
c) 2001:0db8:85a3:0000:0000::8a2e:0370:7334
d) 2001:0db8:85a3:::8a2e:0370:7334
Answer: c) 2001:0db8:85a3:0000:0000::8a2e:0370:7334

29. What is the purpose of subnetting in IP addressing?
a) To divide an IP address into multiple smaller networks
b) To convert IPv6 addresses to IPv4 addresses
c) To translate DNS names to IP addresses
d) To translate multicast addresses to unicast addresses
Answer: a) To divide an IP address into multiple smaller networks

30. Which of the following is a valid IPv4 address?
a) 192.168.256.1
b) 256.0.0.1
c) 10.0.0.1
d) 172.31.0.0.1
Answer: c) 10.0.0.1

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