$1.$ Break up the network address $31\mathrm{.}10\mathrm{.}73\mathrm{.}0$into $28$ subnets.$$ How many bits will you need to borrow from the host portion of the network address?

$$

$\_\_\_\_\_\_\_\_\_\_\_\_\_$

$$

$2.$ Now that you know how many bits you need to borrow, what should be the value of the fourth octet, in binary form?

$\_\_\_\_\_\_\_\_\_\_\_$

$$

$3.$ What will your network ID for the first subnet be in CIDR notation?

$\_\_\_\_\_\_\_\_\_\_\_\_\_$

$$

$$

$4.$ What will your subnet mask be$?$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$$

$5.$ How many total subnets can be created with this subnet mask?

$\_\_\_\_\_\_$

$$

$6.$ How many hosts may be on each subnet?

$\_\_\_\_\_\_$

$$

$7.$ Fill in the chart below:

Subnet #

Network Address

Range of Available Addresses

Broadcast Address

$1$

$$

$$

$$

$2$

$$

$$

$$

$3$

$$

$$

$$

$4$

$$

$$

$$

$5$

$$

$$

$$

$6$

$$

$$

$$

$7$

$$

$$

$$

$8$

$$

$$

$$

$9$

$$

$$

$$

$10$

$$

$$

$$

$$

Network Addresses:

$8.$ What is the network address going to be for the first subnet?

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$$

$9.$ What is the network address going to be for the fifth subnet?

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$$

$$

$10.$ What is the network address going to be for the eighth subnet?

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$$

$11.$ What subnet mask should you assign to every computer in the network?

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$$

$12.$ What IP address should you assign to a router on the second subnet?

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$13.$ What IP address should you assign to a router on the third subnet?

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$14.$ What IP address should you assign to a router on the fifth subnet?

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$$

$15.$ What IP address should you assign as the default gateway address to each computer on the first subnet?

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$$

$16.$ What IP address should you assign as the default gateway address to each computer on the sixth subnet?

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$$

$17.$ What IP address should you assign as the default gateway address to each computer on the fourth subnet?

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$$

$18.$ What is the broadcast address going to be for the second subnet?

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$21.$ What is the broadcast address going to be for the seventh subnet?

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$22.$ What is the broadcast address going to be for the fourth subnet?

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$23.$ What IP addresses could you assign to the following computers:

Subnet $1$:

Computer $1\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Computer $2\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Computer $3\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$$

Subnet $2$:

Computer $1\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Computer $2\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Computer $3\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$$

Subnet $3$:

Computer $1\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Computer $2\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Computer $3\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$$

Subnet $4$:

Computer $1\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Computer $2\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Computer $3\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$$

Subnet $5$:

Computer $1\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Computer $2\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Computer $3\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$