10 - Subnetting

Question 1

A direct, dedicated connection between two routers is called a […] network.

Answer 1

point-to-point

Question 2

A subnet mask of 255.255.255.128 is equivalent to /[…]

Answer 2

25

Question 3

A subnet mask of 255.255.255.192 is equivalent to /[…]

Answer 3

26

Question 4

A subnet mask of 255.255.255.224 is equivalent to /[…]

Answer 4

27

Question 5

A subnet mask of 255.255.255.240 is equivalent to /[…]

Answer 5

28

Question 6

A subnet mask of 255.255.255.248 is equivalent to /[…]

Answer 6

29

Question 7

A subnet mask of 255.255.255.252 is equivalent to /[…]

Answer 7

30

Question 8

A subnet mask of 255.255.255.254 is equivalent to /[…]

Answer 8

31

Question 9

A subnet mask of 255.255.255.255 is equivalent to /[…]

Answer 9

32

Question 10

What does CIDR stand for?

Answer 10

Classless Inter-Domain Routing

Question 11

What is the dotted decimal equivalent of a /25 prefix length?

Answer 11

255.255.255.128

Question 12

What is the dotted decimal equivalent of a /26 prefix length?

Answer 12

255.255.255.192

Question 13

What is the dotted decimal equivalent of a /27 prefix length?

Answer 13

255.255.255.224

Question 14

What is the dotted decimal equivalent of a /28 prefix length?

Answer 14

255.255.255.240

Question 15

What is the dotted decimal equivalent of a /29 prefix length?

Answer 15

255.255.255.248

Question 16

What is the dotted decimal equivalent of a /30 prefix length?

Answer 16

255.255.255.252

Question 17

What is the dotted decimal equivalent of a /31 prefix length?

Answer 17

255.255.255.254

Question 18

What is the dotted decimal equivalent of a /32 prefix length?

Answer 18

255.255.255.255

Question 19

What is the formula to determine the number of USABLE addresses in a network?

Answer 19

2^n - 2 = usable addresses
(n = number of host bits)

Question 20

What system replaced the classful IPv4 addressing system?

Answer 20

CIDR

Question 21

When a classful network is split into several smaller networks, the smaller networks are called…

Answer 21

subnetworks / subnets