Subnetting and IP Addressing Quiz

Which of the following is the correct subnet mask for a Class C IP address that can support at least 30 hosts?

• 255.255.255.224

• 255.255.255.240

• 255.255.255.252

• 255.255.255.128

If an IP address 192.168.10.100 belongs to the subnet 192.168.10.96/29, what is the broadcast address for this subnet?

• 192.168.10.103

• 192.168.10.111

• 192.168.10.127

• 192.168.10.95

How many subnets can be created from a network with the address 172.16.0.0/16 if 5 bits are borrowed for subnetting?

• 32

• 64

• 128

• 32,768

What is the maximum number of hosts that can be assigned to the subnet 255.255.255.252?

• 1

• 2

• 6

• 4

Which of the following statements about a Class A IP address is true?

• It can support 256 subnets.

• The first octet ranges from 1 to 127.

• The default subnet mask is 255.255.255.0.

• The last octet of the address is reserved for hosts.

Given the IP address 10.0.0.0 and a subnet mask of 255.255.255.128, how many subnets can be created?

• 2

• 4

• 8

• 16

What is the correct number of usable IP addresses for the subnet 255.255.255.240?

• 16

• 14

• 8

• 30

Which of the following IP address ranges are reserved for private networks according to RFC 1918?

• 10.0.0.0 - 10.255.255.255

• 172.16.0.0 - 172.31.255.255

• 192.168.0.0 - 192.168.255.255

• All of the above

A network has the IP address 172.16.64.0 and the subnet mask 255.255.255.192. What is the valid host range for this subnet?

• 172.16.64.1 - 172.16.64.62

• 172.16.64.1 - 172.16.64.63

• 172.16.64.1 - 172.16.64.124

• 172.16.64.1 - 172.16.64.254

If an Ethernet frame is corrupted during transmission, which field in the frame is used to detect the error?

• Destination MAC Address

• Frame Check Sequence

• Source MAC Address

• Length/Type