Flip Classroom: Group 2

Flip Classroom: Group 2

Elise Esquitin

Pages 639-643

• A subnet mask is 32 bits, and identifies which part of an IP address is the network portion, and which is the host portion.
• IP addresses and subnet masks may be written with a slash, such as 15.50.212.59/20. This notation is called CIDR notation.
• IP addresses available to the internet are called public IP addresses, and ones that aren’t allowed on the internet are private IP addresses.
• NAT is used to conserve the number of public IP addresses a network needs by attributing multiple private IP addresses to one public address.
• The ipconfig command shows IP addresses assigned to all network connections.
• A unicast address sends messages to a single node on a network, while a multicast address sends messages to all nodes in a group.

How many bits in an IPv4 address? In an IPv6 address?

A) 64, 120
B) 32; 128
C) 120, 64
D) 128, 32
E) 128, 512

How many bits in an IPv4 address? In an IPv6 address?

A) 64, 120
B) 32; 128
C) 120, 64
D) 128, 32
E) 128, 512

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