IPv4 and Subnetting Quiz

Which of the following is a characteristic of a public IP address?

• It is routable on the internet

• It is used only within a private network

• It is always assigned dynamically

• It is reserved for special purposes

What is the primary purpose of a subnet mask in IPv4 addressing?

• To identify the default gateway

• To determine the network and host portions of an IP address

• To encrypt data packets

• To assign IP addresses dynamically

What is the default subnet mask for a Class C IPv4 address?

• 255.0.0.0

• 255.255.0.0

• 255.255.255.0

• 255.255.255.255

Which of the following is a valid public IPv4 address?

• 192.168.1.1

• 172.16.0.1

• 10.0.0.1

• 8.8.8.8

How many host addresses are available in a /24 subnet?

• 254

• 256

• 512

• 1024

Which of the following is a private IP address?

• 11.0.0.1

• 172.31.255.255

• 192.0.2.1

• 203.0.113.1

What is the network address of the IP 192.168.10.44 with a subnet mask of 255.255.255.0?

• 192.168.10.0

• 192.168.10.44

• 192.168.0.0

• 192.168.10.255

How many bits are used for the host part in a /20 subnet?

• 4

• 8

• 12

• 16

Which of the following is the correct CIDR notation for a subnet mask of 255.255.255.128?

• /24

• /25

• /26

• /27