IP Addressing and Subnetting: Master IP Addressing and Subnetting Concepts

Question 1

Which of the following represents a valid IPv4 address format?

Accepted Answer

32.255.255.255

Answer

192.0.2.255/24

Answer

2001:0db8:85a3:08d3:1319:8a2e:0370:7334

Answer

127.1.1

Question 2

Which subnetting approach allows for variable-sized IP address allocation?

Accepted Answer

Variable-length subnet mask (VLSM)

Answer

Fixed-length subnetting

Answer

Address summarization

Answer

Supernetting

Question 3

What is a notable benefit of using VLSM?

Accepted Answer

Efficient use of IP addresses

Answer

Improved routing performance

Answer

Enhanced network security

Answer

Simplified network management

Question 4

How does Variable Length Subnet Mask (VLSM) enhance efficiency in network resource allocation?

Accepted Answer

VLSM allows for subnets of varying sizes, minimizing IP address waste.

Answer

VLSM simplifies network management by reducing the number of subnets.

Answer

VLSM improves network security by isolating network segments.

Answer

VLSM directly enhances network performance by reducing latency.

Question 5

Which tool is commonly used for subnetting calculations?

Accepted Answer

IP subnet calculator

Answer

Command prompt

Answer

Network management system

Answer

Spreadsheet software

Question 6

What is the result of dividing a /24 network into two equal subnets?

Accepted Answer

/26 subnets

Answer

/25 subnets

Answer

/27 subnets

Answer

/28 subnets

Question 7

What is the role of a default gateway in a network?

Accepted Answer

To route traffic to external networks outside the local network

Answer

To translate IP addresses to MAC addresses within the local network

Answer

To resolve domain names to IP addresses on the internet

Answer

To manage network access control and enforce security policies

Question 8

Which format is used to represent an IPv4 address?

Accepted Answer

aaa.bbb.ccc.ddd

Answer

aaaa:bbbb:cccc:dddd

Answer

xx:xx:xx:xx:xx:xx:xx:xx

Answer

sss.ttt.uuu.vvv.www

Question 9

What is the primary function of a default gateway in a network?

Accepted Answer

Providing internet access

Answer

Connecting two networks

Answer

Assigning IP addresses

Answer

Blocking unauthorized access

Question 10

Which of the following is NOT a benefit of subnetting?

Accepted Answer

Elimination of the need for VLSM

Answer

Increased network flexibility

Answer

Improved network security

Answer

Reduced broadcast traffic

Question 11

Convert the decimal IP address 192.168.1.10 to its binary representation.

Accepted Answer

11000000.10101000.00000001.00001010

Answer

00001000.10101100.00000000.00000010

Answer

10101100.00000010.00000001.10001010

Answer

11111111.11111111.00000001.00001010

Question 12

Which protocol is primarily used for IP address configuration?

Accepted Answer

DHCP

Answer

DNS

Answer

HTTP

Answer

SMTP

Question 13

Which of the following is a valid IPv4 address format?

Accepted Answer

192.168.1.255

Answer

192.168.1.255/32

Answer

192.168.1.32

Answer

192.168.1.512

Question 14

What is the IPv6 equivalent of the IPv4 subnet mask 255.255.255.0?

Accepted Answer

::1/64

Answer

::1/32

Answer

::1/128

Answer

::1/16

Question 15

Which Linux command is commonly used for subnet calculations?

Accepted Answer

ipcalc

Answer

netstat

Answer

ping

Answer

traceroute

Question 16

What is the primary purpose of using VLSM?

Accepted Answer

To create subnets of varying sizes

Answer

To minimize routing table size

Answer

To enhance network security

Answer

To improve network performance

Question 17

Which IP address range is reserved for multicast communication?

Accepted Answer

224.0.0.0 - 239.255.255.255

Answer

192.168.0.0 - 192.168.255.255

Answer

10.0.0.0 - 10.255.255.255

Answer

172.16.0.0 - 172.31.255.255

Question 18

What is the key difference between a public and a private IP address?

Accepted Answer

Public IP addresses are routable on the Internet, while private IP addresses are not

Answer

Private IP addresses are routable on the Internet, while public IP addresses are not

Answer

Public IP addresses are used exclusively for servers, while private IP addresses are used for clients

Answer

Private IP addresses are used exclusively for servers, while public IP addresses are used for clients

Question 19

What is the primary function of a subnet mask?

Accepted Answer

To distinguish between the network and host portions of an IP address

Answer

To prevent unauthorized network access

Answer

To optimize network performance

Answer

To translate domain names into IP addresses

Question 20

What is the main difference between a unicast and a broadcast IP address?

Accepted Answer

A unicast IP address is used to send data to a specific device, while a broadcast IP address is used to send data to all devices on a network

Answer

A broadcast IP address is used to send data to a specific device, while a unicast IP address is used to send data to all devices on a network

Answer

A unicast IP address is a public IP address, while a broadcast IP address is a private IP address

Answer

A broadcast IP address is a public IP address, while a unicast IP address is a private IP address

Question 21

Which of the following is the default subnet mask for a Class B network (IPv4)?

Accepted Answer

255.255.0.0

Answer

128.0.0.0

Answer

255.0.0.0

Answer

255.255.255.0

Question 22

Which subnetting method allows for the creation of subnets with different sizes?

Accepted Answer

Variable Length Subnet Masking (VLSM)

Answer

Static Subnetting

Answer

Classful Subnetting

Answer

Network Address Translation (NAT)

Question 23

What is the broadcast address for the following network: 192.168.1.0/24?

Accepted Answer

192.168.1.255

Answer

192.168.1.1

Answer

192.168.0.0

Answer

255.255.255.255

Question 24

What is the purpose of a default gateway in an IP network?

Accepted Answer

To route traffic to devices on other networks

Answer

To store user data

Answer

To control access to the network

Answer

To assign IP addresses to hosts

Question 25

Which of the following tools is specifically designed for subnet calculations?

Accepted Answer

Subnet Calculator

Answer

Wireshark

Answer

Ping

Answer

Traceroute

Question 26

What is the primary difference between unicast and broadcast IP addresses?

Accepted Answer

Unicast is used to send data to a single device, while broadcast is used to send data to all devices on a network

Answer

Unicast is faster than broadcast

Answer

Unicast is more secure than broadcast

Answer

Unicast uses IPv4, while broadcast uses IPv6

Question 27

What is the main purpose of private IP addresses?

Accepted Answer

To be used within a private network, not routable on the public internet

Answer

To be used for public websites

Answer

To be used for network printers

Answer

To be used for email servers