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200-301 V1 Ch13: IPv4 Subnet Masks

Analyze Existing Subnet Masks 4
By Wendell Odom
In 200-301 V1 Ch13: IPv4 Subnet Masks, 200-301 V1 Part 4: IPv4 Addressing, IPv4 Ch. 13 Mask Drills, Questions
Posted August 5, 2024

Analyze Existing Subnet Masks 4

This post asks you to analyze the choice of subnet mask in a network. If a company uses one subnet mask for all subnets of one classful network, you can analyze the address structure as three [...]

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Analyze Existing Subnet Masks 3
By Wendell Odom
In 200-301 V1 Ch13: IPv4 Subnet Masks, 200-301 V1 Part 4: IPv4 Addressing, IPv4 Ch. 13 Mask Drills, Questions
Posted August 5, 2024

Analyze Existing Subnet Masks 3

This post asks you to analyze the choice of subnet mask in a network. If a company uses one subnet mask for all subnets of one classful network, you can analyze the address structure as three [...]

READ MORE
Analyze Existing Subnet Masks 2
By Wendell Odom
In 200-301 V1 Ch13: IPv4 Subnet Masks, 200-301 V1 Part 4: IPv4 Addressing, IPv4 Ch. 13 Mask Drills, Questions
Posted August 5, 2024

Analyze Existing Subnet Masks 2

This post asks you to analyze the choice of subnet mask in a network. If a company uses one subnet mask for all subnets of one classful network, you can analyze the address structure as three [...]

READ MORE
Analyze Existing Subnet Masks 1
By Wendell Odom
In 200-301 V1 Ch13: IPv4 Subnet Masks, 200-301 V1 Part 4: IPv4 Addressing, IPv4 Ch. 13 Mask Drills, Questions
Posted August 5, 2024

Analyze Existing Subnet Masks 1

This post asks you to analyze the choice of subnet mask in a network. If a company uses one subnet mask for all subnets of one classful network, you can analyze the address structure as three [...]

READ MORE
Mask Conversion Drill 3
By Wendell Odom
In 200-301 V1 Ch13: IPv4 Subnet Masks, 200-301 V1 Part 4: IPv4 Addressing, IPv4 Ch. 13 Mask Drills, Questions
Posted July 24, 2024

Mask Conversion Drill 3

For each Mask Conversion Drill post, you’ll find a mix of DDN and prefix masks. Your job is to convert each to a binary mask first and then to the other format.

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Mask Conversion Drill 2
By Wendell Odom
In 200-301 V1 Ch13: IPv4 Subnet Masks, 200-301 V1 Part 4: IPv4 Addressing, IPv4 Ch. 13 Mask Drills, Questions
Posted July 24, 2024

Mask Conversion Drill 2

For each Mask Conversion Drill post, you’ll find a mix of DDN and prefix masks. Your job is to convert each to a binary mask first and then to the other format.

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Mask Conversion Drill 1
By Wendell Odom
In 200-301 V1 Ch13: IPv4 Subnet Masks, 200-301 V1 Part 4: IPv4 Addressing, IPv4 Ch. 13 Mask Drills, Questions, Uncategorized
Posted July 24, 2024

Mask Conversion Drill 1

For each Mask Conversion Drill post, you’ll find a mix of DDN and prefix masks. Your job is to convert each to a binary mask first and then to the other format.

READ MORE
Answers: How Many Hosts/Subnets Speed Practice 3
By certskills
In 200-301 V1 Ch13: IPv4 Subnet Masks, 200-301 V1 Part 4: IPv4 Addressing, IPv4 Ch. 13 Mask Drills
Posted March 2, 2012

Answers: How Many Hosts/Subnets Speed Practice 3

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 [...]

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How Many Hosts/Subnets Speed Practice 3
By certskills
In 200-301 V1 Ch13: IPv4 Subnet Masks, 200-301 V1 Part 4: IPv4 Addressing, CCENT-OLD, IPv4 Ch. 13 Mask Drills
Posted February 28, 2012

How Many Hosts/Subnets Speed Practice 3

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 [...]

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Answers: How Many Subnets/Hosts 2
By certskills
In 200-301 V1 Ch13: IPv4 Subnet Masks, 200-301 V1 Part 4: IPv4 Addressing, CCENT-OLD, IPv4 Ch. 13 Mask Drills
Posted June 27, 2011

Answers: How Many Subnets/Hosts 2

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
By certskills
In 200-301 V1 Ch13: IPv4 Subnet Masks, 200-301 V1 Part 4: IPv4 Addressing, CCENT-OLD, IPv4 Ch. 13 Mask Drills
Posted June 24, 2011

How Many Subnets/Hosts Speed Practice 2

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 [...]

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Answers: How Many Subnets/Hosts 1
By certskills
In 200-301 V1 Ch13: IPv4 Subnet Masks, 200-301 V1 Part 4: IPv4 Addressing, IPv4 Ch. 13 Mask Drills
Posted June 17, 2011

Answers: How Many Subnets/Hosts 1

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 [...]

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How Many Subnets/Host Speed Practice 1
By certskills
In 200-301 V1 Ch13: IPv4 Subnet Masks, 200-301 V1 Part 4: IPv4 Addressing, IPv4 Ch. 13 Mask Drills
Posted June 16, 2011

How Many Subnets/Host Speed Practice 1

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 [...]

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