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earnstyle [38]
3 years ago
9

What is a scientific inquiry?

Computers and Technology
1 answer:
nlexa [21]3 years ago
8 0
Scientific inquiry<span> refers to the diverse ways in which </span>scientists<span> study the natural world and propose explanations based on the evidence derived from their work.</span>
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Which feature of cryptography is used to prove a user's identity and prevent an individual from fraudulently reneging on an acti
Zinaida [17]

A feature of cryptography which is used to prove an end user's identity and prevent an individual from fraudulently reneging on an action is nonrepudiation.

<h3>What is nonrepudiation?</h3>

Nonrepudiation can be defined as an assurance that the sender of a message is given a proof of delivery and the recipient of this message is also provided with a proof of the sender’s identity, so none of them can deny having processed this message.

This ultimately implies that, nonrepudiation is a security service which has a feature of cryptography and it can be used to prove an end user's identity and prevent an individual from fraudulently reneging on an action

Read more on nonrepudiation here: brainly.com/question/14631388

#SPJ1

7 0
2 years ago
If you wanted to buy a house that cost $150,000 and you knew you needed a down payment of five percent, how much would you need
andrew11 [14]

Answer:

7,500 is the answer

Explanation:

7,500 is 5% of 150,000

8 0
3 years ago
Consider the following general code for allowing access to a resource:
Margaret [11]

Answer:

a) The code allows access even when  IsAccessAllowed(...) method fails.

b) Either use If

(dwRet = ACCESS_ALLOWED)

or use

if (dwRet == NO_ERROR)

to avoid flaw

Explanation:

Lets first see what the code chunk does:

DWORD dwRet = IsAccessAllowed(...);

if (dwRet == ERROR_ACCESS_DENIED) {

// Security check failed.

// Inform user that access is denied.

} else {

// Security check OK.

}

In the given code, DWORD is basically a data type for double word type integers and this is defined in windows.h

So there is DWORD type variable dwRet that is assigned a method calls.

The method is IsAccessAllowed() which checks if the access is allowed to user.

if (dwRet == ERROR_ACCESS_DENIED) condition basically checks if the value of DWORD type variable dwRet is equal to ERROR_ACCESS_DENIED

If this condition evaluates to true then the security checks fails and user is informed via some message or action that the access is denied.  But when the if condition evaluates to false then the else part executes which allows access.

So basically this chunk of code checks if the error ERROR_ACCESS_DENIED is returned.

Now the flaw in this program is what if the method IsAccessAllowed() by any reason. The reasons can be system failure or the memory failure. In memory failure case for example, the system returns out of memory error. So this means that the error is not  ERROR_ACCESS_DENIED. Instead it is out of memory error. So in such a case the user is allowed access as the if condition evaluates to false and else part executes. So if any other error is produced due to some reason like mentioned above, then user has unrestricted access.

This shows that the doe should not check for the failure or rely on checking ERROR_ACCESS_DENIED to allow access but instead it should check for success. Code should only give access privilege if access is allowed successfully or no error is produced.

So to avoid this flaw the code is altered as:

DWORD dwRet = IsAccessAllowed(...);

If (dwRet = ACCESS_ALLOWED) {

//Security check OK.

} else {

//Security check failed.

//Inform user that access is denied.

}

This will only allow access if ACCESS_ALLOWED evaluates to true and success is checked instead of failure here

You can also alter the if condition as:

If (dwRet = No_Error)

or

If (dwRet = 0)

The above if conditions checks if the access is allowed or if no error is produced. Only then it will allowed access otherwise not. So the access check is a success is checked first and failure (for any reason). The user is allowed access only if there is no error otherwise user is not allowed access.

6 0
3 years ago
The Turing test consists of a person asking written questions of a person and a computer. If the questioner can't tell which one
Juliette [100K]

Answer:

intelligence

Explanation:

According to my research on information technology, I can say that based on the information provided within the question if this happens then we can say that the computer has attained intelligence. This is because this is a test developed by Alan Turing in 1950, in order to observe a machine's ability to exhibit intelligent behavior equal to, or indistinguishable from, that of a human.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

5 0
3 years ago
The fastest way to get help is to type a word or two in the search box.
Elanso [62]
The fastest way to get help is to type a word or two in the search box. TRUE.
5 0
3 years ago
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