Chapter 7: IP Addressing - 7.1

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What is the name for a 48-bit (6 byte) numerical address physically assigned to a network interface, such as a NIC?

A MAC address, sometimes called a hardware address or even a burned-in address.

What is the private address range for Class B networks?

172.16.0.0 through 172.31.255.255.

What is the Class C range of values for the first octet in decimal and in binary?

192-223, 110xxxxx

What defines a unicast address?

An IP address assigned to an interface.

What is the term for the autoconfiguration technology responsible for addresses that start with 169.254?

Automatic Private IP Addressing (APIPA) is the technology that results in hosts automatically configuring themselves with addresses that begin with 169.254.

Name some of the benefits of IPv6 over IPv4.

IPv6 has the following characteristics, among others, that make it preferable to IPv4: more available addresses, simpler header, options for authentication, and other security.

What is the 127.0.0.1 address used for?

Loopback or diagnostics.

What defines a multicast address?

One-to-many address.

What is the valid range used for a Class C private IP address?

The Class C private range is 192.168.0.0 through 192.168.255.255.

What gives IPv6 the ability to reference more addresses than IPv4?

The fact that it has 128-bit (16-octet) addresses, compared to IPv4's 32-bit (4-octet) addresses.


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