Chapter 8 - Subnet Masks and CIDRs - Sheet1 Flashcards

1
Q

What are the CIDR values for a Class C network

A

/24 - /30

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1
Q

Subnet mask for /29

A

255.255.255.248

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2
Q

Subnet mask for /10

A

255.192.0.0

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2
Q

Subnet mask for /30

A

255.255.255.252

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3
Q

What are the CIDR values for a class a network

A

/8 - /15

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3
Q

Subnet mask for /18

A

255.255.192.0

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4
Q

Subnet mask for /22

A

255.255.252.0

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6
Q

Subnet mask for /9

A

255.128.0.0

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6
Q

Subnet mask for /15

A

255.254.0.0

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8
Q

Subnet mask for /12

A

255.240.0.0

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8
Q

Subnet mask for /26

A

255.255.255.192

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9
Q

Subnet mask for /21

A

255.255.248.0

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10
Q

Subnet mask for /25

A

255.255.255.128

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12
Q

Subnet mask for /8

A

255.0.0.0

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12
Q

Subnet mask for /27

A

255.255.255.224

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13
Q

Subnet mask for /23

A

255.255.254.0

15
Q

Subnet mask for /13

A

255.248.0.0

17
Q

Subnet mask for /17

A

255.255.128.0

19
Q

What are the CIDR values for a Class B network

A

/16 - /23

20
Q

Subnet mask for /28

A

255.255.255.240

21
Q

Subnet mask for /20

A

255.255.240.0

22
Q

Subnet mask for /24

A

255.255.255.0

23
Q

Subnet mask for /16

A

255.255.0.0

24
Q

Subnet mask for /11

A

255.224.0.0

25
Q

Subnet mask for /19

A

255.255.224.0

26
Q

Subnet mask for /14

A

255.252.0.0

27
Q

Name the 3 common CIDRs and their subnets

A

/8 255.0.0.0

/16 255.255.0.0

/24 255.255.255.0