Number system

What is the binary equivalent of the decimal number 10?

• 1010
• 1100
• 1001
• 1111

How many bits are there in an IPv4 address?

• 16
• 32
• 64
• 128

What does the subnet mask 255.255.255.0 signify?

• Class A network
• Class B network
• Class C network
• Class D network

What is the range of Class B IP addresses?

• 1.0.0.0 to 126.255.255.255
• 128.0.0.0 to 191.255.255.255
• 192.0.0.0 to 223.255.255.255
• 224.0.0.0 to 239.255.255.255

What is the binary value of the decimal number 255?

• 11110000
• 10101010
• 11111111
• 1111

In binary, what is the result of 1101 + 1010?

• 1111
• 10111
• 10001
• 10110

What is the maximum number of hosts on a Class C network?

• 254
• 256
• 1024
• 65534

How many octets are there in an IPv4 address?

• 2
• 4
• 6
• 8

Which address is used for loopback testing in IPv4?

• 0.0.0.0
• 1.1.1.1
• 127.0.0.1
• 255.255.255.255

What is the default subnet mask for a Class A network?

• 255.255.0.0
• 255.0.0.0
• 255.255.255.0
• 255.255.255.255