Question $11$ pts

Why does the formula for the number of hosts per subnet $(2^$h $-2)$ require the subtraction of two hosts?

Group of answer choices

To reserve two addresses for increasing redundancy

This is incorrect $-$ the correct formula is $2^$h

To reserve addresses for the broadcast address and the subnet ID

To reserve two addresses for DHCP operation

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Flag question: Question $2$

Question $21$ pts

Which of the following answers lists the prefix $($CIDR$)$ format equivalent of $255\mathrm{.}255\mathrm{.}254\mathrm{.}0?$

Group of answer choices

$/19$

$/25$

$/24$

$/20$

$/23$

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Flag question: Question $3$

Question $31$ pts

Which of the following answers lists dotted$-$decimal notation $($DDN$)$ equivalent of $/30?$

Group of answer choices

$255\mathrm{.}255\mathrm{.}255\mathrm{.}192$

$255\mathrm{.}255\mathrm{.}255\mathrm{.}252$

$255\mathrm{.}255\mathrm{.}254\mathrm{.}0$

$255\mathrm{.}255\mathrm{.}255\mathrm{.}0$

$255\mathrm{.}255\mathrm{.}255\mathrm{.}240$

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Flag question: Question $4$

Question $41$ pts

You have a $255\mathrm{.}192\mathrm{.}0\mathrm{.}0$ mask. Which of the following is the valid CIDR notation?

Group of answer choices

$/9$

None $-$ this is an invalid mask.

$/10$

$/11$

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Flag question: Question $5$

Question $51$ pts

How many subnets and hosts are provided by the network $192\mathrm{.}168\mathrm{.}254\mathrm{.}0/26?$

Group of answer choices

$4$ subnets with $62$ hosts

$4$ subnets with $64$ hosts

$2$ subnets with $62$ hosts

$254$ subnets with $62$ hosts

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Flag question: Question $6$

Question $61$ pts

While working at the help desk, you receive a call and learn that the IP address and mask of a user's PC are $10\mathrm{.}11\mathrm{.}12\mathrm{.}36/11.$ Which of the following statements is true?

Group of answer choices

S $=14$

N $=9$

H $=21$

S $=6$

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Flag question: Question $7$

Question $71$ pts

You are given the following information about the IP address of a host connected to the network, $172\mathrm{.}16\mathrm{.}66\mathrm{.}0/21.$ Which of the following statements is true?

Group of answer choices

S $=6$

S $=14$

H $=4$

N $=16$

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Flag question: Question $8$

Question $81$ pts

A Class B network needs to be subnetted so that it supports $200$ subnets and $128$ hosts per subnet. Which of the following is a workable combination for the number of network, subnet, and host bits?

Group of answer choices

Network $=16,$ subnet $=8,$ host $=8$

Network $=8,$ subnet $=7,$ host $=17$

None of these would fit a Class B network with this requirement

Network $=16,$ subnet $=7,$ host $=9$

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Flag question: Question $9$

Question $91$ pts

The $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$ typically resembles, for example, $128\mathrm{.}198\mathrm{.}63\mathrm{.}0.$

Group of answer choices

Network ID

Subnet Mask

Broadcast address

loopback address

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Flag question: Question $10$

Question $101$ pts

The $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$ typically resembles, for example, $128\mathrm{.}198\mathrm{.}63\mathrm{.}255.$

Group of answer choices

loopback address

Subnet Mask

Network ID

Broadcast address