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IPv4 Mask Drills

Convert Masks, Drill 1: Answers

Convert Masks, Drill 1: Answers

🕔07:00, 21.May 2012

Today’s post lists the answers from Convert Masks, Drill 1. If you have questions on any of the 6 problems, post away.  Some related posts: Original problem blog post How to: ICND1 Official Cert Guide (Chapter 14 in Edition 3,

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Convert Masks, Drill 1

Convert Masks, Drill 1

🕔07:40, 16.May 2012

It’s practice, man, practice. Are we really talking about practice? Sure. Plain and simple, just some extra practice converting from one mask format to another. But how fast can you go? And can you reach your time goal every time,

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Mask Conversion: Quick Draw McGraw or Quick Claude?

Mask Conversion: Quick Draw McGraw or Quick Claude?

🕔09:45, 14.May 2012

You pass by a cubicle, and see /26 written on a marker board. Later, you see a config with 255.255.224.0. One other time, you see this binary number: 11111111 11111111 11111111 11111000. How quickly do you: Recognize these numbers as

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Answers: How Many Hosts/Subnets Speed Practice 3

Answers: How Many Hosts/Subnets Speed Practice 3

🕔08:00, 2.Mar 2012

Today’s post answers the five questions in a previously posted exercise. What’s it about? Someone came before us at most every company and made up an IP addressing plan. These exams test our ability to look at that plan and

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How Many Hosts/Subnets Speed Practice 3

How Many Hosts/Subnets Speed Practice 3

🕔10:59, 28.Feb 2012

Someone came before us at most every company and made up an IP addressing plan. These exams test our ability to look at that plan and decipher what the plan does, including answering this question: “How many subnets does this

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Answers: How Many Subnets/Hosts 2

Answers: How Many Subnets/Hosts 2

🕔09:00, 27.Jun 2011

The answers for the most recent subnetting speed practice, for “find the number of subnets and hosts question 2” are below the fold – FYI. Ask questions as needed.

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How Many Subnets/Hosts Speed Practice 2

How Many Subnets/Hosts Speed Practice 2

🕔11:59, 24.Jun 2011

It’s Friday, and time for some subnetting practice. Today we’ll do another round on figuring out the number of subnets in a network, and the number of hosts per subnet. Suggestions BEFORE CLICKING to see the rest: be ready to

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Answers: How Many Subnets/Hosts 1

Answers: How Many Subnets/Hosts 1

🕔02:00, 24.Jun 2011

Remember last Friday’s speed practice? Sorry for the delay in posting the answers. They are below the fold. As usual, I’ve listed the answers, but if it’s not clear why, you need to ask, so please do so. And sorry

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How Many Subnets/Host Speed Practice 1

How Many Subnets/Host Speed Practice 1

🕔16:23, 16.Jun 2011

Friday (ok, well, late Thursday) this week for the subnet speed practice. Today’s variation: find the number of subnets possible, and number of hosts per subnet. Suggestions BEFORE CLICKING to see the rest: be ready to start your timer. Be

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