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otez555 [7]
2 years ago
7

What command in windows re gives you the opportunity to manage partitions and volumes installed on the system?

Computers and Technology
1 answer:
KIM [24]2 years ago
3 0
Diskpart command might be the answer
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A ____ is a key-dependent, one-way hash function that allows only specific recipients(symmetric key holders) to access the messa
Alexxx [7]

Answer: (C) MAC

Explanation:

MAC is stand for the message authentication code and it is one of the key dependent hash function. Message authentication provide the data integrity and also the origin of data authentication.

  • It basically allow the specific recipients known as the holder of the symmetric key.
  • The message authentication code uses the CBC (Cipher block chaining) mode for constructing the MAC algorithm and it also uses the block cipher for the conjunction by using the CBC operations.    

On the other hand, all the options are incorrect as they are not the key dependent hash function.

Therefore, Option (C) is correct.

7 0
3 years ago
A.<br>Define a computer with its proper meaning.​
Rashid [163]

Answer:

Computer

Explanation:

a programmable electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations.

7 0
2 years ago
Read 2 more answers
8.6 Lesson Practice edhesive
scoundrel [369]

Incomplete question. I could only infer you are possibly referring to edhesive unit 8 questions. Here are a few sample questions;

1. Where does Python start?

2. To create the body of a function, we ____________ the code.

Answer:

1. Main Section

2. Indent

Explanation:

1. It is a common rule in Python programming language when coding for for it to begin at the first part of the Main Section.

2. Indenting a code involves creating space or jumping a line away from the margin of the text dialogue box, thus the code written there becomes the body of the function.

8 0
3 years ago
Computer Networks - Queues
lyudmila [28]

Answer:

the average arrival rate \lambda in units of packets/second is 15.24 kbps

the average number of packets w waiting to be serviced in the buffer is 762 bits

Explanation:

Given that:

A single channel with a capacity of 64 kbps.

Average packet waiting time T_w in the buffer = 0.05 second

Average number of packets in residence = 1 packet

Average packet length r = 1000 bits

What are the average arrival rate \lambda in units of packets/second and the average number of packets w waiting to be serviced in the buffer?

The Conservation of Time and Messages ;

E(R) = E(W) + ρ

r = w + ρ

Using Little law ;

r = λ × T_r

w =  λ × T_w

r /  λ = w / λ  +  ρ / λ

T_r =T_w + 1 / μ

T_r = T_w +T_s

where ;

ρ = utilisation fraction of time facility

r = mean number of item in the system waiting to be served

w = mean number of packet waiting to be served

λ = mean number of arrival per second

T_r =mean time an item spent in the system

T_w = mean waiting time

μ = traffic intensity

T_s = mean service time for each arrival

the average arrival rate \lambda in units of packets/second; we have the following.

First let's determine the serving time T_s

the serving time T_s  = \dfrac{1000}{64*1000}

= 0.015625

now; the mean time an item spent in the system T_r = T_w +T_s

where;

T_w = 0.05    (i.e the average packet waiting time)

T_s = 0.015625

T_r =  0.05 + 0.015625

T_r =  0.065625

However; the  mean number of arrival per second λ is;

r = λ × T_r

λ = r /  T_r

λ = 1000 / 0.065625

λ = 15238.09524 bps

λ ≅ 15.24 kbps

Thus;  the average arrival rate \lambda in units of packets/second is 15.24 kbps

b) Determine the average number of packets w waiting to be serviced in the buffer.

mean number of packets  w waiting to be served is calculated using the formula

w =  λ × T_w

where;

T_w = 0.05

w = 15238.09524 × 0.05

w = 761.904762

w ≅ 762 bits

Thus; the average number of packets w waiting to be serviced in the buffer is 762 bits

4 0
3 years ago
Which of the following is an example of a currency Number format in Excel?
Elena L [17]

$21.08 is an example of a currency Number format in Excel

<u>Explanation:</u>

For items like currency, one can format numbers in cells in Excel.

To view all possible number formats, click the Dialog Box Launcher attached to Number on the Home tab in the Number group.

In the Format Cells dialog box, in the Category list, click Currency or Accounting.

In the Symbol box, tick the currency symbol.

In the Decimal places box, insert the number of decimal places.

Employed for common financial values and presents the default currency figure with quantities.

Ctrl+Shift+$ is a shortcut to represent currency values.

8 0
3 years ago
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