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3 years ago

Which of the following scan only works if operating system’s TCP/IP implementation is based on RFC 793?

Computers and Technology

1 answer:

Shkiper50 [21]3 years ago

5 0

Answer:NULL Scan

Explanation:RFC 793(Request for comments) is a type of RFC command labeled with the number 793 which can operate with the TCP protocol.They are sort of document form which is from IETF( Internet Engineering Task Force ).

The null scan is scanning protocol used by legal as well as illegal hackers for working in the transfer control protocol architecture. It is used for the identification of the the ports and holes in TCP servers.they can also have the negative impact if used by the illegal hackers.

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Given a typical magnetic hard drive with five platters, answer the following:

Nataly_w [17]

Answer:

Given the number of platters =5

A. Hence, the number of recording surface =10

B. number of read-write heads =10

C. Number of arms holding the read-write heads = 10

Explanation:

We know that number of recording surface = 2 *( number of platters)

= 2*5=10

And the number of read-write heads = number of recording surface= 10

Also, number of arms holding the read-write head = one for each read-write head= 10

And hence, the above answer.

5 0

3 years ago

Your company has a team of remote workers that need to use Windows-based software to develop company applications, but your team

timofeeve [1]

Operating systems are the software that supports the basic functioning of the computer. Windows Virtual Desktop is an Azure compute service that will help solve the problem.

<h3>What is Windows Virtual Desktop?</h3>

Windows Virtual Desktop is an app virtualization service of Azure that operates on the cloud platform. It includes standard operating procedures that can be used by users with multiple OS.

Azure's Virtual Desktop supports different versions of window OS. This type of system is majorly used in remote work demands and specialized workloads.

Therefore, Windows Virtual Desktop is an Azure compute service.

Learn more about Azures service here:

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2 years ago

Computer A has an overall CPI of 1.3 and can be run at a clock rate of 600 MHz. Computer B has a CPI of 2.5 and can be run at a

kirill115 [55]

Answer:

Check the explanation

Explanation:

CPI means Clock cycle per Instruction

given Clock rate 600 MHz then clock time is Cー 1.67nSec clockrate 600M

Execution time is given by following Formula.

Execution Time(CPU time) = CPI*Instruction Count * clock time = $\frac{CPI*Instruction Count}{ClockRate}$

for system A CPU time is 1.3 * 100, 000 600 106

= 216.67 micro sec.

for system B CPU time is $=\frac{2.5*100,000}{750*10^6}$

= 333.33 micro sec

c) Since the system B is slower than system A, So the system A executes the given program in less time

Hence take CPU execution time of system B as CPU time of System A.

therefore

216.67 micro = = $\frac{2.5*Instruction}{750*10^6}$

Instructions = 216.67*750/2.5

= 65001

hence 65001 instruction are needed for executing program By system B. to complete the program as fast as system A

3 0

3 years ago

In excel, a number can contain the characters__

KATRIN_1 [288]

Comma and period? You can have numbers like 123,456.78

7 0

3 years ago

PLS HURRY <br> Look at the image below

fenix001 [56]

Answer:

one sec

what is that called?

if you have more than one try

then you should just take an "EDUCATIONAL GUESS"

it's a 50/50 chance

just take it

Explanation:

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3 years ago