Day 07 Flashcards - IPv4 Addresses (Part 1)
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34 Terms
What is the loop back address?
A loopback address, also known as "localhost," is a special IP address that directs network traffic back to the same computer, primarily used for testing and diagnostics.
What is the length of an IP address? (bits)
32 bits
What is the length of an IP address? (bits)
32 bits
What is the length of an IP address? (bytes)
4
What are the groups of 8 bits in an IP address called?
octets
What is the maximum value for a binary octet? (1111 1111)
255
What is the numeric range of the first octet of a class A IPv4 address?
0-127
What is the numeric range of the first octet of a class B IPv4 address?
128-191
What is the numeric range of the first octet of a class C IPv4 address?
192-223
What is the numeric range of the first octet of a class D IPv4 address?
224-239
What is the numeric range of the first octet of a class E IPv4 address?
240-255
What is the binary bit pattern of the first octet of a class A IPv4 address?
0xxxxxxx
What is the binary bit pattern of the first octet of a class B IPv4 address?
10xxxxxx
What is the binary bit pattern of the first octet of a class C IPv4 address?
110xxxxx
What is the binary bit pattern of the first octet of a class D IPv4 address?
1110xxxx
What is the binary bit pattern of the first octet of a class E IPv4 address?
1111xxxx
What is the class D IPv4 address range reserved for?
Multicast addresses
What is the class E IPv4 address range reserved for?
Experimental purposes
IPv4 addresses beginning with 127 are used for [...] addresses.
loopback
IPv4 addresses beginning with [...] are used for loopback addresses.
127
What kind of address is used to test the network software stack on the local device?
loopback address
What is the prefix length of a class A IPv4 address?
/8
What is the prefix length of a class B IPv4 address?
/16
What is the prefix length of a class C IPv4 address?
/24
What is the netmask for a /8 prefix length?
255.0.0.0
What is the netmask for a /16 prefix length?
255.255.0.0
What is the netmask for a /24 prefix length?
255.255.255.0
If the host portion of an IPv4 address is all 0s, what kind of address is it?
network address
If the host portion of an IPv4 address is all 1s, what kind of address is it?
broadcast address
If the host portion of an IPv4 address is all 1s then it's known as B______ A_____
Broadcast Address
2__-__9 is the numeric range of the first octet of a class D IPv4 address?
224-239
1___x___ is the binary bit pattern of the first octet of a class E IPv4 address?
1111xxxx
__xxxx__ is the binary bit pattern of the first octet of a class A IPv4 address?
0xxxxxxx
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