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3 years ago

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Computers and Technology

1 answer:

worty [1.4K]3 years ago

4 0

B (locate web pages related to specific subject); can search to find books on certain topics

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The process of learning by making mistakes and by trial and error is called _____.

vodomira [7]

I believe it’s problem solving.

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2 years ago

Given four inputs: a, b, c & d, where (a, b) represents a 2-bit unsigned binary number X; and (c, d) represents a 2-bit unsi

Amiraneli [1.4K]

Answer:

z = a.c' + a.b.d' + b.c'.d'

Explanation:

The truth table for this question is provided in the attachment to this question.

N.B - a' = not a!

The rows with output of 1 come from the following relations: 01 > 00, 10 > 00, 10 > 01, 11 > 00, 11 > 01, 11 > 10

This means that the Boolean expression is a sum of all the rows with output of 1.

z = a'bc'd' + ab'c'd' + ab'c'd + abc'd' + abc'd + abcd'

On simplification,

z = bc'd' + ab'c' + ac'd' + ac'd + abc' + abd'

z = ac' + abd' + bc'd'

Hope this helps!

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3 years ago

Please describe how you can use the login page to get the server run two SQL statements. Try the attack to delete a record from

vekshin1

The only sure way to prevent SQL Injection attacks is input validation and parametrized queries including prepared statements. The application code should never use the input directly. ... Database errors can be used with SQL Injection to gain information about your database.

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3 years ago

To prevent replay attacks, authentication protocols create a number that will be used only once. The number is called a _____.

fgiga [73]

Authentication protocols are usually designed and configured to create a number that will be used only once, so as to prevent replay attacks in a computer network. Thus, this number is called a <u>nonce</u>.

Authentication work based on the principle of strategically matching an incoming request from an end user or electronic device to a set of uniquely defined credentials.

In an access control list (ACL), authentication and authorization is used to ensure an end user is truly who he or she claims to be, as well as confirming that an electronic device is valid through the process of verification.

In Cybersecurity, authentication protocols are usually designed and configured to create a nonce, which can be used only once, so as to prevent replay attacks in a computer network.

In conclusion, a nonce is used prevent replay attacks in a computer network because the number created by an authentication protocol can be used only once.

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2 years ago

You areYou are a member of the application development organization for a small but rapidly growing software company that produc

bija089 [108]

Answer:

Following are the solution to this question:

Explanation:

Please find the complete question in the attached file.

It will obtain as much information about this matter as necessary even before the conference. It includes its gravity or probability of risk, various cases in the entire event, the possible solutions to the issues, as well as the consequences for parties involved in each potential answer, and Only at conferences, it may clarify to my boss that the explanation for the problem and also in details. It will be doing everything possible and try not to conceal the details but highlight the problem.

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3 years ago