IPv4 Address Flashcards Preview

CCNA 200-301 > IPv4 Address > Flashcards

Flashcards in IPv4 Address Deck (44)
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1

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

Network address

2

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

broadcast address

3

IPv4 addresses beginning with 127 are used for ___ addresses.

Loopback

4

IPv4 addresses beginning with ___ are used for loopback addresses.

127

5

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

Octets

6

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

0xxxxxxx

7

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

10xxxxxx

8

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

110xxxxx

9

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

1110xxxx

10

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

1111xxxx

11

What is the class D IPv4 address range reserved for?

Multicast addresses

12

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

32 bits

13

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

4

14

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

255

15

What is the netmask for a /16 prefix length?

255.255.0.0

16

What is the netmask for a /24 prefix length?

255.255.255.0

17

What is the netmask for a /8 prefix length?

255.0.0.0

18

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

0-127

19

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

128-191

20

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

192-223

21

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

224-239

22

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

240-255

23

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

/8

24

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

/16

25

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

/24

26

What is the class E IPv4 address range reserved for?

Experimental purposes

27

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

Loopback address

28

Command to configure a description on an interface:
R1(config-if)# ___

description description

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

29

Command to configure an IP address on an interface:
R1(config-if)# ___

ip address ip-address subnet-mask

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

30

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

show interfaces description