IP IPv4 Flashcards
IP
IPv4
Octet is how many bits?
8
Nibble is how many bits?
4
How many octets in an IP address
4
How many bits is a byte?
8
how many bits in an IP address
32 binary bits
Dotted-Decimal Mask for a Single Host Address and /Bits Mask
255.255.255.255 /32
For class A the ____ octet is the network
first
For class A the last ____ octets are the hosts
3
For class A the network address range is from ____ to ____
1 to 126
For class A the _____ bit(s) must be 0
first
For class A the first bit must be ____
0
127.0.0.1 is
reserved for loopback testing
The ____ address on a network is the broadcast address
last
The last address on a network is the ____ ____
broadcast address
The first address on the network is the ____ ____
network address
The ____ address on the network is the network address
first
all addresses between network and broadcast are ____ ____
host addresses
For class B the first ____ bits on the first octet are set to 01
first two
For class B the first two bits on the first octet are set to ____
10
For class B the ____ ____ bit(s) on the first octet are set to 10
first two
For class B the network address range is from ____ to ____
128 to191
For class B the ____ ____ octets are the network
first two
For class B the ____ ____ octets are the hosts
last two
For class c the first ____ bits on the first octet are set to 110
3
For class c the first 3 bits on the first octet are set to ____
110
For class C the network address range is from ____ to ____
192 to 223
Class D address are used for ____ traffic
multicast
For class D address the first 4 bits on the first octet are set to ____
1110
The class D network addresses range from
224 to 239
Class D addresses are used for _____ and ____ routing protocols
RIP and OSPF
Class D are used for streaming videos, etc? T/F
True
Private IP addresses are RFC ____
RFC 1918
Private addresses can or cannot be routed over the internet?
Can Not
Private IP address ranges are:
10.x.x.x - 10.0.0.0 to 10.255.255.255
172.16.x.x to 172.31.x.x - 172.16.0.0 to 172.31.255.255
192.168.x.x - 192.168.0.0 to 192.168.255.255
What is a subnet mask
A subnet mask is a number that distinguishes the network address and the host address within an IP address. A subnet is a smaller network within a network that requires a subnet mask. Subnetting is the process of dividing a network into two or more subnets.
/25
.128, 2 subnets, and 126 hosts, 128 addresses
/26
.192, 4 subnets, and 62 hosts, 64 addresses
/27
.224, 8 subnets, and 30 hosts, 32 addresses
/28
.240, 16 subnets, and 14 hosts, 16 addresses
/29
.248, 32 subnets, and 6 hosts, 8 addresses
/30
.252, 64 subnets, and 2 hosts, 4 addresses
/31
.254, 128 subnets, and 2 addresses
/31
.255, 256 subnets, and 1 address
