Perspectives on IPv4 Addressing-Subnetting and Analyzing Classful IPv4 Networks

Which of the following are reserved private IP addresses, according to RFC 1918?

Correct! Wrong!

Before Class B network 172.16.0.0 is subnetted by a network engineer, what parts of the structure of the IP addresses in this network already exist, with a specific size?

Correct! Wrong!

A Class B network needs to be subnetted such that it supports 100 subnets and 100 hosts/subnet. Which of the following answers list a workable combination for the number of network, subnet, and host bits?

Correct! Wrong!

Which of the following is private IP networks?

Correct! Wrong!

Why does the formula for the number of hosts per subnet (2H - 2) require the subtraction of two hosts?

Correct! Wrong!

Host A is a PC, connected to switch SW1 and assigned to VLAN 1. Which of the following is typically assigned an IP address in the same subnet as host A?

Correct! Wrong!

A network engineer spends time thinking about the entire Class B network 172.16.0.0, and how to subnet that network. He then chooses how to subnet this Class B network and creates an addressing and subnetting plan, on paper, showing his choices. If you compare his thoughts about this network before subnetting the network, to his thoughts about this network after mentally subnetting the network, which of the following occurred to the parts of the structure of addresses in this network?

Correct! Wrong!

The size of a subnet is calculated with the formula 2 raised to the H minus 2. Why are two hosts subtracted from this possible size?

Correct! Wrong!

Which of the following is public IP networks?

Correct! Wrong!

Which of the following is not valid Class A network IDs?

Correct! Wrong!

Which of the following is true about IP address 192.168.6.7’s IP network?

Correct! Wrong!

Which of the following is a network broadcast address?

Correct! Wrong!

What is the network broadcast address for the classful network of 172.16.0.0?

Correct! Wrong!

Which of the following is true about IP address 172.16.99.45’s IP network?

Correct! Wrong!

There is a reserved address range between Class A and Class B address ranges. What is this reserved range used for?

Correct! Wrong!

Which of the following IP address/mask combinations, if configured on a working router interface, would create a connected route for an entire classful network, instead of a route for a subnet of a classful network?

Correct! Wrong!

You have been assigned a class B IP network to use in your Enterprise. Which one answer offers the closest estimate to the number of IPv4 addresses in that class B network?

Correct! Wrong!

Which of the following are not valid Class B network IDs?

Correct! Wrong!

Perspectives on IPv4 Addressing-Subnetting and Analyzing Classful IPv4 Networks
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