Day 28 - IPv4 Addressing & Subnetting

Question 1

What is /24 converted to a dotted decimal subnet mask?

Answer 1

255.255.255.0

Question 2

What is /25 converted to a dotted decimal subnet mask?

Answer 2

255.255.255.128

Question 3

What is /26 converted to a dotted decimal subnet mask?

Answer 3

255.255.255.192

Question 4

What is /27 converted to a dotted decimal subnet mask?

Answer 4

255.255.255.224

Question 5

What is /28 converted to a dotted decimal subnet mask?

Answer 5

255.255.255.240

Question 6

What is /29 converted to a dotted decimal subnet mask?

Answer 6

255.255.255.248

Question 7

What is /30 converted to a dotted decimal subnet mask?

Answer 7

255.255.255.252

Question 8

What is /31 converted to a dotted decimal subnet mask?

Answer 8

255.255.255.254

Question 9

What is /23 converted to a dotted decimal subnet mask?

Answer 9

255.255.254.0

Question 10

What is /22 converted to a dotted decimal subnet mask?

Answer 10

255.255.252.0

Question 11

What is /21 converted to a dotted decimal subnet mask?

Answer 11

255.255.248.0

Question 12

What is /20 converted to a dotted decimal subnet mask?

Answer 12

255.255.240.0

Question 13

What is /19 converted to a dotted decimal subnet mask?

Answer 13

255.255.224.0

Question 14

What is /18 converted to a dotted decimal subnet mask?

Answer 14

255.255.192.0

Question 15

What is /17 converted to a dotted decimal subnet mask?

Answer 15

255.255.128.0

Question 16

Convert 0 1 1 0 0 0 0 1 to decimal

Answer 16

97

Question 17

Convert 1 1 1 1 0 0 1 1 to decimal

Answer 17

243

Question 18

Convert 0 0 1 1 0 0 1 1 to decimal

Answer 18

51

Question 19

Convert 0 0 0 0 1 0 1 1 to decimal

Answer 19

11

Question 20

Convert 1 0 1 1 1 0 0 1 to decimal

Answer 20

185

Question 21

Convert 0 1 0 0 1 1 1 1 to decimal

Answer 21

79

Question 22

Convert 0 1 1 1 1 1 1 1 to decimal

Answer 22

127

Question 23

What are Class E addresses used for?

Answer 23

Experimental

Question 23

What are Class D addresses used for?

Answer 23

Multicast

Question 24

What is the public IP range for Class A addresses?

Answer 24

1.0.0.0 - 127.0.0.0

Question 25

What is the public IP range for Class B addresses?

Answer 25

128.0.0.0 - 191.255.0.0

Question 26

What is the public IP range for Class C addresses?

Answer 26

192.0.0.0 - 223.255.255.255

Question 27

What is the private IP range for Class A addresses?

Answer 27

10.0.0.0 - 10.255.255.255

Question 28

What is the private IP range for Class B addresses?

Answer 28

172.16.0.0 - 172.31.255.255

Question 29

What is the private IP range for Class C addresses?

Answer 29

192.168.0.0 - 192.168.255.255

Question 30

What is the range for Class D addresses?

Answer 30

224.0.0.0 - 239.255.255.255

Question 31

What is the range for Class E addresses?

Answer 31

240.0.0.0 - 255.255.255.255

Question 32

How many total hosts can you have in a /18 network?

Answer 32

16,384 (-2) = 16,382

Question 33

How many total hosts can you have in a /23 network?

Answer 33

512 (-2) = 510

Question 34

How many total hosts can you have in a /21 network?

Answer 34

2,048 (-2) = 2,046

Question 35

How many total hosts can you have in a /27 network?

Answer 35

32 (-2) = 30

Question 36

How many total hosts can you have in a /25 network?

Answer 36

128 (-2) = 126

Question 37

How many total hosts can you have in a /17 network?

Answer 37

32,768 (-2) = 32,766

Question 38

How many total hosts can you have in a /20 network?

Answer 38

4,096 (-2) = 4,094

Question 39

How many total hosts can you have in a /22 network?

Answer 39

1,024 (-2) = 1,022

Question 40

Do the 2 to the power of X ... All the way to 15

Answer 40

2 4 8 16 32 64 128 256 512 1,024 2,048 4,096 8,192 16,384 32,768