Google IT Support Professional:The Bits and Bytes of Computer Networking (Week 2) The Network Layer.

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★Subnetting★

Q1.What does CIDR stand for?

1. Classless Internet Destination Routing
2. Classfull Inter-Destination Routing
3. Classless Inter-Domain Routing
4. Classfull Identification Routing

CIDR stands for Classless Inter-Domain Routing.

Q2.Which of the following is a correct form of CIDR notation?

1. 192.168.1.0:24
2. 192.168.1.0/24
3. 192.168.1.0\24
4. 192.168.1.0 + 255.255.255.0

CIDR notation uses a forward slash and then lists the numbers of bits in the subnet mask.

Q3.How many octets does a subnet mask have?

1. 1
2. 2
3. 3
4. 4

A subnet mask is the same length as an IP address.

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