Day 07 Flashcards - IPv4 Addresses (Part 1)
Front
Back
What is the length of an IP address? (bits)
32 bits
What is the length of an IP address? (bytes)<br></br>
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 <b>class A</b> IPv4 address?
0-127
What is the numeric range of the first octet of a<b>class B</b>IPv4 address?<br></br>
128-191
What is the numeric range of the first octet of a<b>class C</b>IPv4 address?<br></br>
192-223
What is the numeric range of the first octet of a<b>class D</b>IPv4 address?<br></br>
224-239
What is the numeric range of the first octet of a<b>class E</b>IPv4 address?<br></br>
240-255
What is the binary bit pattern of the first octet of a <b>class A</b> IPv4 address?
0xxxxxxx
What is the binary bit pattern of the first octet of a<b>class B</b>IPv4 address?<br></br>
10xxxxxx
What is the binary bit pattern of the first octet of a<b>class C</b>IPv4 address?<br></br>
110xxxxx
What is the binary bit pattern of the first octet of a<b>class D</b>IPv4 address?<br></br>
1110xxxx
What is the binary bit pattern of the first octet of a<b>class E</b>IPv4 address?<br></br>
1111xxxx
What is the <b>class D</b> IPv4 address range reserved for?
Multicast addresses
What is the<b>class E</b>IPv4 address range reserved for?<br></br>
Experimental purposes
IPv4 addresses beginning with 127 are used for […] addresses.
loopback
IPv4 addresses beginning with […] are used for loopback addresses.<br></br>
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 <b>class A</b> IPv4 address?
/8
What is the prefix length of a <b>class B</b>IPv4 address?<br></br>
/16
What is the prefix length of a<b>class C</b>IPv4 address?<br></br>
/24
What is the netmask for a /8 prefix length?
255.0.0.0
