Subnetting IP Address

What is the main purpose of subnetting a network?

• a) Increase network traffic

• b) Improve network performance by reducing broadcast domains

• c) Expand the number of available IP addresses

• d) Decrease security risks

Which of the following is a valid /24 subnet mask?

• a) 255.255.0.0

• b) 255.255.255.0

• c) 255.0.0.0

• d) 255.255.255.255

How many hosts can be supported in a /26 subnet?

• a) 128

• b) 64

• c) 62

• d) 32

When subnetting an IPv4 network using a /16 prefix, how many subnets can be created?

• a) 128

• b) 256

• c) 512

• d) 1024

Which protocol uses broadcasts to locate other devices on a network?

• a) DNS

• b) DHCP

• c) ARP

• d) HTTP

What is the formula to calculate the number of subnets?

• a) 2^n - 2

• b) 2^n

• c) 2^n - 1

• d) 2^(32 - subnet bits)

What are the types of Subnetting? (Mark 2 answers only)

• a) Place

• b) Location

• c) Device Type

• d) Large Network

What is the purpose of borrowing bits when subnetting?

• a) To increase the host bits

• b) To create more subnets

• c) To decrease broadcast traffic

• d) To shorten the subnet mask

How many subnets are created with a /25 subnet mask?

• a) 1

• b) 2

• c) 4

• d) 8

Which subnet mask is associated with a /16 prefix?

• a) 255.255.0.0

• b) 255.255.255.0

• c) 255.0.0.0

• d) 255.255.255.255