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4 years ago

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How to write "There are four parking spots on campus that may be used only by Nobel Prize winning faculty." this sentence correc

tly?

Computers and Technology

1 answer:

dexar [7]4 years ago

5 0

"On campus there are four parking spots, that may only be used by Nobel Prize winning faculty"

That's how I would write the sentence.

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Assume that a large number of consecutive IP addresses are available starting at 198.16.0.0 and suppose that two organizations,

Fiesta28 [93]

Answer & Explanation:

An IP version 4 address is of the form w.x.y.z/s

where s = subnet mask

w = first 8 bit field, x = 2nd 8 bit field, y = 3rd 8 bit field, and z = 4th 8 bit field

each field has 256 decimal equivalent. that is

binary denary or decimal

11111111 = 2⁸ = 256

w.x.y.z represents

in binary

11111111.11111111.11111111.11111111

in denary

255.255.255.255

note that 255 = 2⁸ - 1 = no of valid hosts/addresses

there are classes of addresses, that is

class A = w.0.0.0 example 10.0.0.0

class B = w.x.0.0 example 172.16.0.0

class C = w.x.y.0 example 198.16.8.1

where w, x, y, z could take numbers from 1 to 255

Now in the question

we were given the ip address : 198.16.0.0 (class B)

address of quantity 4000, 2000, 8000 is possible with a subnet mask of type

255.255.0.0 (denary) or

11111111.11111111.00000000.00000000(binary) where /s = /16 That is no of 1s

In a VLSM (Variable Length Subnet Mask)

Step 1

we convert the number of host/addresses for company A to binary

4000 = 111110100000 = 12 bit

step 2 (subnet mask)

vary the fixed subnet mask to reserve zeros (0s) for the 12 bit above

fixed subnet mask: 11111111.11111111.00000000.00000000 /16

variable subnet mask: 11111111.11111111.11110000.000000 /20

now we have added 4 1s in the 3rd field to reserve 12 0s

<u><em>subnet mask: 255.255.</em></u><u><em>16.</em></u><u><em>0 (where the 1s in each field represent a denary number as follows)</em></u>

<u><em>1st 1 = 128, 2nd 1 = 64 as follows</em></u>

<u><em>1 1 1 </em></u><u><em> 1 </em></u><u><em> 1 1 1 1</em></u>

<u><em>128 64 32 </em></u><u><em>16</em></u><u><em> 8 4 2 1</em></u>

step 3

in the ip network address: 198.16.0.0/19 <em>(subnet representation)</em> we increment this using 16

that is 16 is added to the 3rd field as follows

That means the ist Valid Ip address starts from

Ist valid Ip add: 198.16.0.1 - 198.16.15.255(last valid IP address)

Company B starts<u><em>+16: 198.16.</em></u><u><em>16</em></u><u><em>.0 - 198.16.31.255</em></u>

<u><em> +16: 198.16.</em></u><u><em>32</em></u><u><em>.0- 198.16.47.255 et</em></u>c

we repeat the steps for other companies as follows

Company B

Step 1

we convert the number of host/addresses for company B to binary

2000 = 11111010000 = 11 bit

Step 2

vary the fixed subnet mask to reserve zeros (0s) for the 11 bit above

fixed subnet mask: 11111111.11111111.00000000.00000000 /16

variable subnet mask: 11111111.11111111.11111000.000000 /21

now we have added 5 1s in the third field to reserve 11 0s

<u><em>subnet mask: 255.255.</em></u><u><em>8.</em></u><u><em>0 (where the 1s in each field represent a denary number as follows)</em></u>

<u><em>1st 1 = 128, 2nd 1 = 64 as follows</em></u>

<u><em>1 1 1 1 </em></u><u><em>1 </em></u><u><em> 1 1 1</em></u>

<u><em>128 64 32 16 </em></u><u><em>8 </em></u><u><em> 4 2 1</em></u>

Step 3

Starting from after the last valid Ip address for company A

in the ip network address: 198.16.16.0/21 (<em>subnet representation</em>) we increment this using 8

That means the ist Valid Ip address starts from

Ist valid Ip add: 198.16.16.1 - 198.16.23.255(last valid IP address)

Company C starts <u><em>+16: 198.16.</em></u><u><em>24</em></u><u><em>.0- 198.16.31.255</em></u>

<em> </em><u><em> +16: 198.16.</em></u><u><em>32</em></u><u><em>.0- 198.16.112.255 et</em></u>c

Company C

Step 1

we convert the number of host/addresses for company C to binary

4000 = 111110100000 = 12 bit

Step 2

vary the fixed subnet mask to reserve zeros (0s) for the 12 bit above

fixed subnet mask: 11111111.11111111.00000000.00000000 /16

variable subnet mask: 11111111.11111111.11110000.000000 /20

now we have added 4 1s in the 3rd field to reserve 12 0s

<u><em>subnet mask: 255.255.</em></u><u><em>16.</em></u><u><em>0 (where the 1s in each field represent a denary number as follows)</em></u>

<u><em>1st 1 = 128, 2nd 1 = 64 as follows</em></u>

<u><em>1 1 1 1 1 1 1 1</em></u>

<u><em>128 64 32 16 8 4 2 1</em></u>

Step 3

Starting from after the last valid ip address for company B

in the ip network address: 198.16.24.0/20 (subnet representation) we increment this using 16

That means the ist Valid Ip address starts from

Ist valid Ip add: 198.16.24.1 - 198.16.39.255(last valid IP address)

Company C starts <u><em>+16: 198.16.40.0- 198.16.55.255</em></u>

<em> </em><u><em> +16: 198.16.56.0- 198.16.71.255 et</em></u>c

Company D

Step 1

we convert the number of host/addresses for company D to binary

8000 = 1111101000000 = 13 bit

Step 2

vary the fixed subnet mask to reserve zeros (0s) for the 13 bit above

fixed subnet mask: 11111111.11111111.00000000.00000000 /16

variable subnet mask: 11111111.11111111.11100000.000000 /19

now we have added 3 1s in the 3rd field to reserve 13 0s

<u><em>subnet mask: 255.255.</em></u><u><em>32.</em></u><u><em>0 (where the 1s in each field represent a denary number as follows)</em></u>

<u><em>1st 1 = 128, 2nd 1 = 64 as follows</em></u>

<u><em>1 1 </em></u><u><em> 1 </em></u><u><em> 1 1 1 1 1</em></u>

<u><em>128 64 </em></u><u><em>32 </em></u><u><em> 16 8 4 2 1</em></u>

Step 3

Starting from after the last valid ip address for company C

in the ip network address: 198.16.40.0/20 (subnet representation) we increment this using 32

That means the ist Valid Ip address starts from

Ist valid Ip add: 198.16.40.1 - 198.16.71.255(last valid IP address)

Company C starts <u><em>+16: 198.16.72.0- 198.16.103.255</em></u>

<em> </em><u><em> +16: 198.16.104.0- 198.16.136.255 et</em></u>c

5 0

3 years ago

School computer labs are used often to teach technology skills or subject-specific skills ____ the rest of the curriculum.

Lyrx [107]

The answer that best fits the blank is ISOLATED FROM. Those technology skills and subject-specific skills that are separated from the rest of the curriculum are being taught using the school computer laboratories. Technology skills include skills that use computers or machines such as web design, email management, database and spreadsheets, and etc.

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3 years ago

What is the difference between a Network Diagram and a Wiring Semantic?

stiks02 [169]

Answer:

Network diagram is the type of graphical networking chart that is basically used in the various type of computer telecommunication. The network diagram is useful for the networking designer and also for the network engineer for compiling the network documentation in detail.

Wiring semantic is the type of open source prototype platform which basically composed of the programming language and the IDE ( Integrated development environment). The wiring semantic consumer can affect the triggering the new data or information from the existing concepts.

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4 years ago

1. For the following program to be executed over the single accumulator

AlexFokin [52]

Answer:

The answer to this question is given below in the explanation section.

Explanation:

#include <iostream> // it is preprocessor director that manipulate the input output in the program

using namespace std;// it is used to format input and output

int main() { // main function is started

int x = 5; // variable x is declared and initialized with value 5.

int y = 6; //variable y is declared and initialized with value 6.

int z = 34; //variable z is declared and initialized with value 34.

int total = (x+(x + y)*z+y); // variable total is declared and initialized with value of x,y,and z. and calculation performed on these value such as (5+(5+6)*34+6) that is equal to 385.

cout << total; // print the value of total variable that is 385

return 0;

}

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3 years ago

A user complains because the social media apps on his mobile device always note his location. The user is worried about privacy,

stich3 [128]

Answer:

Geotracking feature needs to be adjusted.

Explanation:

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3 years ago