classful subnet

Question 1

Subnet classes: Class A

Answer 1

Leading Bits: 0xxx (1-126)
Network Bits: 8
Remaining Bits: 24
Number of Networks: 128
Hosts per Network: 16,777,214
Default Subnet Mask: 255.0.0

Question 2

Subnet classes: Class B

Answer 2

Leading Bits: 10xx (128-191)
Network Bits: 16
Remaining Bits: 16
Number of Networks: 16,384
Hosts per Network: 65,534
Default Subnet Mask: 255.255.0.0

Question 3

Subnet classes: Class C

Answer 3

Leading Bits: 110x (192-223)
Network Bits: 24
Remaining Bits: 8
Number of Networks: 2,097,152
Hosts per Network: 254
Default Subnet Mask: 255.255.255.0

Question 4

Subnet classes: Class D (multicast) [Do Not Need]

Answer 4

Multicast
Leading Bits: 1110 (224-239)

Question 5

Subnet classes: Class E (reserved) [Do Not Need]

Answer 5

Reserved
Leading Bits: 1111 (240-254)

Question 6

Class A Leading Bits

Answer 6

0xxx (1-127)

Question 7

Class A Network Bits

Answer 7

8

Question 8

Class A Remaining Bits

Answer 8

24

Question 9

Class A Number of Networks

Answer 9

128

Question 10

Class A Hosts per Network

Answer 10

16,777,214

Question 11

Class A Default Subnet Mask

Answer 11

255.0.0.0

Question 12

Class B Leading Bits

Answer 12

10xx (128-191)

Question 13

Class B Network Bits

Answer 13

16

Question 14

Class B Remaining Bits

Answer 14

16

Question 15

Class B Number of Networks

Answer 15

16,384

Question 16

Class B Hosts per Network

Answer 16

65,534

Question 17

Class B Default Subnet Mask

Answer 17

255.255.0.0

Question 18

Class C Leading Bits

Answer 18

110x (192-223)

Question 19

Class C Network Bits

Answer 19

24

Question 20

Class C Remaining Bits

Answer 20

8

Question 21

Class C Number of Networks

Answer 21

2,097,152

Question 22

Class C Hosts per Network

Answer 22

254

Question 23

Class C Default Subnet Mask

Answer 23

255.255.255.0