Subnetting Part 1 Flashcards Preview

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Flashcards in Subnetting Part 1 Deck (20)
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1

A direct, dedicated connection between two routers is called a ______ network.

point-to-point

2

What does CIDR stand for?

Classless Inter-Domain Routing

3

What system replaced the classful IPv4 addressing system?

CIDR (Classless Inter-Domain Routing

4

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

subnetworks / subnets

5

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

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

6

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

255.255.255.128

7

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

255.255.255.192

8

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

255.255.255.224

9

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

255.255.255.240

10

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

255.255.255.248

11

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

255.255.255.252

12

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

255.255.255.254

13

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

255.255.255.255

14

A subnet mask of 255.255.255.128 is equivalent to /____.

/25

15

A subnet mask of 255.255.255.192 is equivalent to /____.

/26

16

A subnet mask of 255.255.255.224 is equivalent to /____.

/27

17

A subnet mask of 255.255.255.240 is equivalent to /____.

/28

18

A subnet mask of 255.255.255.248 is equivalent to /____.

/29

19

A subnet mask of 255.255.255.252 is equivalent to /____.

/30

20

A subnet mask of 255.255.255.254 is equivalent to /____.

/31