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Overlapping VLSM Subnets – Speed Test 1

Overlapping VLSM Subnets – Speed Test 1

🕔09:05, 10.Oct 2014 It’s subnetting Friday - #CCENT edition. Your job? Look at a set of 5 or 6 subnet/mask combos, and identify which ones overlap, and which ones do not. There may be no overlaps, or there may be a lot. Not sure Read Full Article
Overlapping Subnets – the Problem

Overlapping Subnets – the Problem

🕔09:05, 8.Oct 2014 #CCENT and #CCNA testing, as well as real-life network engineering, requires that we find configuration and design errors in the network. Problems can occur when the design and configuration of all devices is perfect,with the root cause being some software Read Full Article
Question: Ping Doesn’t Work in a Simple Network

Question: Ping Doesn’t Work in a Simple Network

🕔09:05, 26.May 2014 After reviewing this simple #CCNA question, I wondered if it was too difficult. But it's a blog - we can always discuss the pieces. Today's post has a multi-choice question about troubleshooting a seemingly simple problem: two hosts on the Read Full Article
Answer Part 1: VLSM Design Drill #1

Answer Part 1: VLSM Design Drill #1

🕔09:05, 17.Jan 2014 Time for some VLSM work for #CCENT and #CCNA today! Today's post begins the analysis for the VLSM design drill posted earlier. The original post posed a scenario, with an existing subnet design that uses VLSM. Your job: plan a new Read Full Article
CCENT Answer 104 and 105: Answers Part 2

CCENT Answer 104 and 105: Answers Part 2

🕔08:34, 19.Mar 2013 Wrapping up this set of five #CCENT questions today with the completion of the answers. Sorry it took a while for this last post - work went sideways unexpectedly last week. For those of you who don’t recall the flow: Read Full Article
IPv4 Addresses 5

IPv4 Addresses 5

🕔08:00, 14.Sep 2012 More practice practice practice! This time, you get some basic IP addressing requirements. Your job: calculate the IP addresses to be used by routers and hosts, and create the router configuration for in the interfaces in the network diagram. No guile, Read Full Article
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, Read Full Article
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, Read Full Article
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 Read Full Article
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 Read Full Article

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