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CCNA 200-301 > IPv4 Address > Flashcards

IPv4 Address Flashcards

1
Q

If the host portion of an IPv4 address is all 0s, what kind of address is it?

A

Network address

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2
Q

If the host portion of an IPv4 address is all 1s, what kind of address is it?

A

broadcast address

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3
Q

IPv4 addresses beginning with 127 are used for ___ addresses.

A

Loopback

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4
Q

IPv4 addresses beginning with ___ are used for loopback addresses.

A

127

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5
Q

What are the groups of 8 bits in an IP address called?

A

Octets

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6
Q

What is the binary bit pattern of the first octet of a class A IPv4 address?

A

0xxxxxxx

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7
Q

What is the binary bit pattern of the first octet of a class B IPv4 address?

A

10xxxxxx

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8
Q

What is the binary bit pattern of the first octet of a class C IPv4 address?

A

110xxxxx

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9
Q

What is the binary bit pattern of the first octet of a class D IPv4 address?

A

1110xxxx

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10
Q

What is the binary bit pattern of the first octet of a class E IPv4 address?

A

1111xxxx

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11
Q

What is the class D IPv4 address range reserved for?

A

Multicast addresses

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12
Q

What is the length of an IP address? (Bits)

A

32 bits

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13
Q

What is the length of an IP address? (Bytes)

A

4

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14
Q

What ha the maximum value for a binary octet?

1111 1111

A

255

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15
Q

What is the netmask for a /16 prefix length?

A

255.255.0.0

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16
Q

What is the netmask for a /24 prefix length?

A

255.255.255.0

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17
Q

What is the netmask for a /8 prefix length?

A

255.0.0.0

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18
Q

What is the numeric range of the first octet of a class A IPv4 address?

A

0-127

19
Q

What is the numeric range of the first octet of a class B IPv4 address?

A

128-191

20
Q

What is the numeric range of the first octet of a class C IPv4 address?

A

192-223

21
Q

What is the numeric range of the first octet of a class D IPv4 address?

A

224-239

22
Q

What is the numeric range of the first octet of a class E IPv4 address?

A

240-255

23
Q

What is the prefix length of a class A IPv4 address?

A

/8

24
Q

What is the prefix length of a class B IPv4 address?

A

/16

25
Q

What is the prefix length of a class C IPv4 address?

A

/24

26
Q

What is the class E IPv4 address range reserved for?

A

Experimental purposes

27
Q

What kind of address is used to test the network software stack on the local device?

A

Loopback address

28
Q

Command to configure a description on an interface:

R1(config-if)# ___

A

description description

ie.
R1(config-if)# description ## to SW1 ##

29
Q

Command to configure an IP address on an interface:

R1(config-if)# ___

A

ip address ip-address subnet-mask

ie.
R1(config-if)# ip address 192.168.0.254 255.255.255.0

30
Q

Display the configured description of each interface on a router:
R1# ___

A

show interfaces description

31
Q

It any interface has the shutdown command applied to it, what will the “status” column of show ip interface brief display?

A

administratively down

32
Q

Interfaces on Cisco ___ are administratively down by default

A

routers

33
Q

Interfaces on Cisco ___ are NOT administratively down by default

A

switches

34
Q

The ___ field of the show ip interface brief command shows the Layer 1 status of the interface

A

Status

35
Q

The ___ field of the show ip interface brief command shows the Layer 2 status of the interface

A

Protocol

36
Q

The “Protocol” field of the show ip interface brief command shows the Layer ___ status of the interface

A

2

37
Q

The “Status” field of the show ip interface brief command shows the Layer ___ status of the interface

A

1

38
Q

What is the formula to calculate the maximum number of hosts in a network?

A

(2^n) - 2

n = number of hosts bits

39
Q

Which IPv4 address class allows a total of 16,777,214 hosts per network?

A

Class A

40
Q

Which IPv4 address class allows a total of 254 hosts per network?

A

Class C

41
Q

Which IPv4 address class allows a total of 65,534 hosts per network?

A

Class B

42
Q

Which IPv4 address class contains a total of 128 networks?

A

Class A

43
Q

Which IPv4 address class contains a total of 16,384 networks?

A

Class B

44
Q

Which IPv4 address class contains a total of 2,097,152 networks?

A

Class C

CCNA 200-301 (10 decks)

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