IP Addressing and Subnetting Fundamentals

By Chris Anderson · Updated Jul 10, 2026

Questions23
Passing Score70%
Format61% Multiple Choice
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Catalog listing of the 5 preview questions for this quiz.

Question 1

In CIDR notation, the network 192.168.5.0 with subnet mask 255.255.255.0 is written as 192.168.5.0/[[blank1]].

Question 2

Which of the following is the broadcast address for the network 10.1.1.0/28?

Answer choices

  • A. 10.1.1.14

  • B. 10.1.1.15

  • C. 10.1.1.16

  • D. 10.1.1.255

Question 3

You need to subnet the network 192.168.10.0/24 into subnets that each support at least 50 hosts. What is the minimum subnet mask you should use?

Answer choices

  • A. /25 (255.255.255.128)

  • B. /26 (255.255.255.192)

  • C. /27 (255.255.255.224)

  • D. /28 (255.255.255.240)

Question 4

Arrange the following steps in the correct order to manually calculate the usable host range for the subnet 192.168.100.64/26:

Answer choices

  • A. A) Determine the broadcast address (last address in the subnet)

  • B. B) Identify the prefix length: /26 = 6 host bits

  • C. C) The usable range is from .65 to .126

  • D. D) Calculate total addresses: 2^6 = 64

  • E. E) Network address = 192.168.100.64; broadcast = 192.168.100.127

Question 5

A network administrator needs to create 6 subnets from the 192.168.50.0/24 network using VLSM. What is the minimum number of subnet bits needed to create at least 6 subnets?

Answer choices

  • A. 2 bits (4 subnets)

  • B. 3 bits (8 subnets)

  • C. 4 bits (16 subnets)

  • D. 6 bits (64 subnets)