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Chapter 15

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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Mask Design Drill 2: Answers

Mask Design Drill 2: Answers

🕔07:00, 24.Apr 2012

Today’s post just lists the answers to the Mask Design drill #2. The drill lists some basic requirements for a number of hosts per subnet, and a number of subnets, and a network class. Your job: Pick the one mask

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Mask Design Drill 2

Mask Design Drill 2

🕔07:00, 20.Apr 2012

Here’s another mask design drill, with the same idea as the previous two posts (chronologically speaking). For those of you with my ICND1 book, Chapter 16 spells out the details, and you can just use this as more practice. The

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Mask Design Drill 1: Answers

Mask Design Drill 1: Answers

🕔09:30, 17.Apr 2012

Today’s post just lists the answers to the Mask Design drill #1. The drill lists some basic requirements for a number of hosts per subnet, and a number of subnets, and a network class. Your job: Pick the one mask

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Mask Design Drill 1

Mask Design Drill 1

🕔10:25, 13.Apr 2012

Today’s post changes gears, at least for those of you who read regularly when the posts show up. The last few weeks, I’ve focused more on broader prep issues, and today, we’ll get back to something narrow but important: designing

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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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