Subnetting Speed Practice #1

 In 200-301 V1 Ch14: Analyzing IPv4 Subnets, 200-301 V1 Part 4: IPv4 Addressing, CCENT-OLD, IPv4 Ch. 14 Address Drills
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Today’s post is the first of what may be several posts over time that supply a number of subnetting practice questions. No explanations (unless you ask), just a problem (in this post) and the answers (in another post so I don’t spoil it).

The rules:

  1. Start your timer before you look at the rest of the post!
  2. Be ready to start and finish all 5 problems
  3. Post and tell me how long it took
  4. Check your answers versus the next post!

Your job: The problems list an ip address/prefix, eg, 1.1.1.1/24. Your job:

  1. List the number of network, subnet, and host bits
  2. List the number of hosts addresses in the subnet
  3. List the subnet ID, subnet broadcast address, and range of addresses in the subnet

Ready… steady… go!

1) 10.1.1.1/24

2) 172.16.203.203/24

3) 192.168.1.161/26

4) 10.1.99.101/22

5) 172.16.77.177/28

STP - do we really need a Listening state?
Subnet Speed Practice #1 - Answers