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Cisco CCNA > IPv4 Addressing > Flashcards

IPv4 Addressing Flashcards

1
Q

Which of the following addresses are not valid Class A network IDs? (Choose all that apply)
(A) 1.0.0.0
(B) 5.0.0.0
(C) 140.0.0.0
(D) 127.0.0.0
(E) 9.0.0.0
(F) 195.0.0.0

A

Which of the following addresses are not valid Class A network IDs? (Choose all that apply)
(A) 1.0.0.0
(B) 5.0.0.0
(C) 140.0.0.0
(D) 127.0.0.0
(E) 9.0.0.0
(F) 195.0.0.0

C, D and F are the correct answers. Class A networks have the first octe

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2
Q

Why does the formula for the number of hosts per subnet (2H – 2) require the subtraction of two hosts?
(A) To reserve two addresses for redundant default gateways (routers)
(B) To reserve the two addresses required for DHCP operation
(C) To reserve addresses for the subnet broadcast address and subnet ID
(D) To reserve addresses for the subnet ID and default

A

Why does the formula for the number of hosts per subnet (2H – 2) require the subtraction of two hosts?
(A) To reserve two addresses for redundant default gateways (routers)
(B) To reserve the two addresses required for DHCP operation
(C) To reserve addresses for the subnet broadcast address and subnet ID
(D) To reserve addresses for the subnet ID and default

By definition, two address values in every IPv4 subnet cannot be used as

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3
Q

Which of the following addresses are valid Class C network IDs? (Choose two answers)
(A) 195.0.0.0
(B) 22.22.3.0
(C) 222.0.0.0
(D) 191.255.255.0
(E) 127.0.0.0

A

Which of the following addresses are valid Class C network IDs? (Choose two answers)
(A) 195.0.0.0
(B) 22.22.3.0
(C) 222.0.0.0
(D) 191.255.255.0
(E) 127.0.0.0

Class C networks have the first octet in the range of 192–223, inclusive

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4
Q

A network designer asked you how many subnet (S) bits does he need to create 200 subnets?
(A) 2
(B) 5
(C) 8
(D) 11

A

A network designer asked you how many subnet (S) bits does he need to create 200 subnets?
(A) 2
(B) 5
**(C) 8 **
(D) 11

8 bits are enough to create 200 subnets. You need to follow the formula

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5
Q

he addresses in the same network have different values in the network part.
(A) TRUE
(B) FALSE

A

The addresses in the same network have different values in the network part.
(A) TRUE
(B) FALSE

The addresses in the classful network have a structure with two parts: t

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6
Q

Which of the following IPv4 addresses has a subnet mask 255.255.0.0?
(A) 188.187.186.185
(B) 204.203.202.201
(C) 55.44.22.11
(D) 10.0.0.56

A

Which of the following IPv4 addresses has a subnet mask 255.255.0.0?
(A) 188.187.186.185
(B) 204.203.202.201
(C) 55.44.22.11
(D) 10.0.0.56

Class B networks have the first octet in the range of 128–191.

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7
Q

Which of the following IPv4 addresses has a subnet mask 255.255.255.0?
(A) 188.187.186.185
(B) 204.203.202.201
(C) 55.44.22.11
(D) 10.0.0.56

A

Which of the following IPv4 addresses has a subnet mask 255.255.255.0?
(A) 188.187.186.185
(B) 204.203.202.201
(C) 55.44.22.11
(D) 10.0.0.56

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8
Q

The first octet range from the Class A IP networks is 1 - 126.
(A) TRUE
(B) FALSE

A

The first octet range from the Class A IP networks is 1 - 126.
(A) TRUE
(B) FALSE

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9
Q

Which of the following IPv4 addresses has a subnet mask 255.0.0.0? (Choose all that apply)

(A) 188.187.186.185
(B) 204.203.202.201
(C) 55.44.22.11
(D) 10.0.0.56
(E) 100.24.5.56
(F) 192.168.178.6

LLC, ExamsDigest; Gorgotsias, Nikolaos. CCNA 200-301 Practice Exam Questions 2020 [fully updated]: 230+ Practice Questions and Free One-month Unlimited Access on Examsdigest.com (Page 64). . Kindle Edition.

A

Which of the following IPv4 addresses has a subnet mask 255.0.0.0? (Choose all that apply)

(A) 188.187.186.185
(B) 204.203.202.201
(C) 55.44.22.11
**(D) 10.0.0.56 **
**(E) 100.24.5.56 **
(F) 192.168.178.6

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10
Q

Which of the following ranges is a valid class B network numbers?
(A) 128.0.0.0 - 191.255.0.0
(B) 1.0.0.0 - 126.0.0.0
(C) 192.0.0.0 - 223.255.255.0
(D) 224.0.0.0 - 254.255.255.0

A

Which of the following ranges is a valid class B network numbers?
(A) 128.0.0.0 - 191.255.0.0
(B) 1.0.0.0 - 126.0.0.0
(C) 192.0.0.0 - 223.255.255.0
(D) 224.0.0.0 - 254.255.255.0

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11
Q

Which of the following ranges is a valid class C network numbers?
(A) 128.0.0.0 - 191.255.0.0
(B) 1.0.0.0 - 126.0.0.0
(C) 192.0.0.0 - 223.255.255.0
(D) 224.0.0.0 - 254.255.255.0

A

Which of the following ranges is a valid class C network numbers?
(A) 128.0.0.0 - 191.255.0.0
(B) 1.0.0.0 - 126.0.0.0
(C) 192.0.0.0 - 223.255.255.0
(D) 224.0.0.0 - 254.255.255.0

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12
Q

Which of the following is the default mask of the IP 10.2.0.0?
(A) 255.0.0.0
(B) 255.255.0.0
(C) 255.255.255.0
(D) 255.255.255.255

A

Which of the following is the default mask of the IP 10.2.0.0?
(A) 255.0.0.0
(B) 255.255.0.0
(C) 255.255.255.0
(D) 255.255.255.255

Class A networks have the first octet in the range of 1–126.

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13
Q

hat information can you extract having the IP address 172.16.99.45? (Choose two answers.)
(A) The network ID is 172.0.0.0.
(B) The default mask for the network is 255.255.255.0.
(C) The network is a Class B network.
(D) The number of host bits in the unsubnetted network is 16.
(E) The broadcast address of the network is 172.255.255.255

A

What information can you extract having the IP address 172.16.99.45? (Choose two answers.)
(A) The network ID is 172.0.0.0.
(B) The default mask for the network is 255.255.255.0.
**(C) The network is a Class B network. **
**(D) The number of host bits in the unsubnetted network is 16. **
(E) The broadcast address of the network is 172.255.255.255

The first octet (172) is in the range of values for Class B addresses (1

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14
Q

A network designer asked you how many subnets (S) bits does he need to create 100 subnets? (Type only the number)
(A) 4
(B) 5
(C) 6
(D) 7

A

A network designer asked you how many subnets (S) bits does he need to create 100 subnets? (Type only the number)
(A) 4
(B) 5
(C) 6
(D) 7

You need to follow the formula of 2S > number of subnets

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15
Q

The senior network engineer asked you to choose the broadcast address from the last subnet according to the following details:
Network 172.28.0.0 (Class B)
Mask 255.255.0.0 (for all subnets)
(A) 172.28.255.254
(B) 172.255.255.255
(C) 172.28.200.255
(D) 172.28.255.255

A

The senior network engineer asked you to choose the broadcast address from the last subnet according to the following details:
Network 172.28.0.0 (Class B)
Mask 255.255.0.0 (for all subnets)
(A) 172.28.255.254
(B) 172.255.255.255
(C) 172.28.200.255
(D) 172.28.255.255

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16
Q

The address 130.0.0.0 is a Class ____________ network ID
(A) A
(B) B
(C) C
(D) D

A

The address 130.0.0.0 is a Class ____________ network ID
(A) A
(B) B
(C) C
(D) D

17
Q

Which of the following is the default mask of the IP 178.25.3.0?
(A) 255.0.0.0
(B) 255.255.0.0
(C) 255.255.255.0
(D) 255.255.255.255

A

Which of the following is the default mask of the IP 178.25.3.0?
(A) 255.0.0.0
(B) 255.255.0.0
(C) 255.255.255.0
(D) 255.255.255.255

18
Q

The address 200.0.0.0 is a Class ____________ network ID (A) A
(B) B
(C) C
(D) D

A

The address 200.0.0.0 is a Class ____________ network ID (A) A
(B) B
(C) C
(D) D

19
Q

The range of the Class C public IP Networks is _________________ - _________________
(A) 10.0.0.0 - 140.255.255.0
(B) 192.0.0.0 - 223.255.255.0
(C) 200.0.0.0 - 223.255.255.0
(D) 224.0.0.0 - 254.255.255.0

A

The range of the Class C public IP Networks is _________________ - _________________
(A) 10.0.0.0 - 140.255.255.0
(B) 192.0.0.0 - 223.255.255.0
(C) 200.0.0.0 - 223.255.255.0
(D) 224.0.0.0 - 254.255.255.0

20
Q

The senior network engineer asked you to choose the last usable address for a host from the last subnet according to the following details:
Network 9.0.0.0 (Class A)
Mask 255.255.0.0 (for all subnets)

(A) 9.255.255.254
(B) 10.255.255.254
(C) 11.255.255.254
(D) 12.255.255.254

A

The senior network engineer asked you to choose the last usable address for a host from the last subnet according to the following details:
Network 9.0.0.0 (Class A)
Mask 255.255.0.0 (for all subnets)

(A) 9.255.255.254
(B) 10.255.255.254
(C) 11.255.255.254
(D) 12.255.255.254

21
Q

The first octet range from the Class B IP networks is 1 - 126.
(A) TRUE
(B) FALSE

A

The first octet range from the Class B IP networks is 1 - 126.
(A) TRUE
(B) FALSE

22
Q

A network designer asked you how many subnet (S) bits does he need to create 5 subnets?
(A) 2
(B) 3
(C) 4
(D) 5

A

A network designer asked you how many subnet (S) bits does he need to create 5 subnets?
(A) 2
(B) 3
(C) 4
(D) 5

23
Q

Which of the following are private IP networks? (Choose all that apply)
(A) 172.31.100.0
(B) 164.16.2.0
(C) 192.166.255.0
(D) 192.168.1.0
(E) 11.11.11.0
(F) 172.24.0.0

A

Which of the following are private IP networks? (Choose all that apply)
(A) 172.31.100.0
(B) 164.16.2.0
(C) 192.166.255.0
(D) 192.168.1.0
(E) 11.11.11.0
(F) 172.24.0.0

Cisco CCNA (12 decks)

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