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CCNA > Day 07 Flashcards - IPv4 Addresses (Part 1) > Flashcards

Day 07 Flashcards - IPv4 Addresses (Part 1)

1
Q

Front

A

Back

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2
Q

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

A

32 bits

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3
Q

What is the length of an IP address? (bytes)<br></br>

A

4

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4
Q

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

A

octets

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5
Q

What is the maximum value for a binary octet? (1111 1111)

A

255

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6
Q

What is the numeric range of the first octet of a <b>class A</b> IPv4 address?

A

0-127

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7
Q

What is the numeric range of the first octet of a<b>class B</b>IPv4 address?<br></br>

A

128-191

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8
Q

What is the numeric range of the first octet of a<b>class C</b>IPv4 address?<br></br>

A

192-223

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9
Q

What is the numeric range of the first octet of a<b>class D</b>IPv4 address?<br></br>

A

224-239

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10
Q

What is the numeric range of the first octet of a<b>class E</b>IPv4 address?<br></br>

A

240-255

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11
Q

What is the binary bit pattern of the first octet of a <b>class A</b> IPv4 address?

A

0xxxxxxx

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12
Q

What is the binary bit pattern of the first octet of a<b>class B</b>IPv4 address?<br></br>

A

10xxxxxx

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13
Q

What is the binary bit pattern of the first octet of a<b>class C</b>IPv4 address?<br></br>

A

110xxxxx

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14
Q

What is the binary bit pattern of the first octet of a<b>class D</b>IPv4 address?<br></br>

A

1110xxxx

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15
Q

What is the binary bit pattern of the first octet of a<b>class E</b>IPv4 address?<br></br>

A

1111xxxx

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16
Q

What is the <b>class D</b> IPv4 address range reserved for?

A

Multicast addresses

17
Q

What is the<b>class E</b>IPv4 address range reserved for?<br></br>

A

Experimental purposes

18
Q

IPv4 addresses beginning with 127 are used for […] addresses.

A

loopback

19
Q

IPv4 addresses beginning with […] are used for loopback addresses.<br></br>

A

127

20
Q

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

A

loopback address

21
Q

What is the prefix length of a <b>class A</b> IPv4 address?

A

/8

22
Q

What is the prefix length of a <b>class B</b>IPv4 address?<br></br>

A

/16

23
Q

What is the prefix length of a<b>class C</b>IPv4 address?<br></br>

A

/24

24
Q

What is the netmask for a /8 prefix length?

A

255.0.0.0

25
Q

What is the netmask for a /16 prefix length?<br></br>

A

255.255.0.0

26
Q

What is the netmask for a /24 prefix length?<br></br>

A

255.255.255.0

27
Q

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

A

network address

28
Q

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

A

broadcast address

CCNA (10 decks)

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