Exam 100-150 Topic 1 Question 10 Discussion

Actual exam question for Cisco's 100-150 exam
Question #: 10
Topic #: 1
A host is given the IP address 172.16.100.25 and the subnet mask 255.255.252.0.
What is the CIDR notation for this address?

Suggested Answer: D Vote an answer

The CIDR (Classless Inter-Domain Routing) notation for the subnet mask 255.255.252.0 is /22. This notation indicates that the first 22 bits of the IP address are used for network identification, and the remaining bits are used for host addresses within the network1.
Reference: =
* Subnet Cheat Sheet - 24 Subnet Mask, 30, 26, 27, 29, and other IP Address CIDR Network Reference
* Subnet Mask to CIDR Notation: The given subnet mask is 255.255.252.0.
To convert this to CIDR notation:
* Convert the subnet mask to binary: 11111111.11111111.11111100.00000000
* Count the number of consecutive 1s in the binary form: There are 22 ones.
* Therefore, the CIDR notation is /22.
Reference: * Understanding Subnetting and CIDR: Cisco CIDR Guide

by Judy at Feb 13, 2025, 08:12 PM

Limited Time Offer

15%

Off

Get Premium 100-150 Questions as Interactive Self Test Engine or PDF

Comments

Chosen Answer:
This is a voting comment (?) , you can switch to a simple comment.
Switch to a voting comment New
Nick name: Submit Cancel
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.
0
0
0
10