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2 years ago

A(n) ________ attempts to slow down or stop a computer system or network by sending repetitive requests for information.

1 answer:

7 0

A DoS attack is known as attempts to slow down or stop a computer system or network by sending repetitive requests for information.

<h3>What is a DoS attack?</h3>

A DoS attack is known to be a form of system attack that is often launched from a lot of compromised devices. It is said to be distributed in the world as a kind of botnet.

This is known to be a form of denial of service attacks, where there is the use of a single Internet-connected device that is the use of one network connection to drown a target with a deadly form of traffic.

Learn more about DoS attack from

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Suppose users share a 1-Gbps link. Also, suppose each user requires 200 Mbps when transmitting, but each user only transmits 30

V125BC [204]

Answer:

The answer is "5 users and 1 block".

Explanation:

In Option a:

Bandwidth total $= 1-Gbps \times 1000$

$= 1,000 \ Mbps$

Any User Requirement $= 200 \ Mbps$

The method for calculating the number of approved users also is:

Now, calculate the price of each person for overall bandwidth and demands,

$\text{Sponsored user amount} = \frac{\text{Bandwidth total}}{\text{Each user's requirement}}$

$=\frac{1000}{200}\\\\=\frac{10}{2}\\\\= 5 \ users$

In Option b:

$\text{blocking probability} = \frac{link}{\text{1-Gbps} = 10^9 \frac{bits}{sec}}$

$\ let = 0.05 = \frac{100}{20} \\\\\text{blocking probability} = \frac{ 200 \times 10^6}{\frac{100}{20}}$

$= \frac{ 200 \times 10^6 \times 20 }{100}\\\\= \frac{ 2 \times 10^6 \times 20 }{1}\\\\= 40 \times 10^6 \\\\$

mean user $= 25 \times \frac{1}{20} \\\\$

$= 1.25$

max user $= \frac{10^9}{40 \times 10^6} \\\\$

$= \frac{10^9}{4 \times 10^7} \\\\ = \frac{10^2}{4} \\\\ = \frac{100}{4} \\\\= 25 \\\\ =\ \ 1 \ \ block \\\\$

3 0

2 years ago

You have compiled a new kernel using rpm. when you reboot, the new kernel is not the default selection on the boot menu. you use

vredina [299]

First, rpm is RedHat Package Manager. Compilation is done with gcc, the GNU C Compiler.

To add that kernel to grub2's menu, as root you'd need to run:

grub2-mkconfig > /boot/grub2/grub.cfg #redirection is favored by Red Hat

Check out the man page @ man grub2-mkconfig

5 0

3 years ago

Why is the transmission of information impartial on websites?

Alex777 [14]

I believe that the best answer among the choices provided by the question is <span>B.Websites cannot manage the amount of information they receive. </span>
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.

4 0

3 years ago

Read 2 more answers

You have been asked to analyze the Excel data provided by your IT department. You would like to have the ability to sort and fil

Stolb23 [73]

Answer:

Sort data in a range or table

Excel for Microsoft 365 Excel for the web Excel 2021 Excel 2019 Excel 2016 Excel 2013 More...

Sorting data is an integral part of data analysis. You might want to arrange a list of names in alphabetical order, compile a list of product inventory levels from highest to lowest, or order rows by colors or icons. Sorting data helps you quickly visualize and understand your data better, organize and find the data that you want, and ultimately make more effective decisions.

You can sort data by text (A to Z or Z to A), numbers (smallest to largest or largest to smallest), and dates and times (oldest to newest and newest to oldest) in one or more columns. You can also sort by a custom list you create (such as Large, Medium, and Small) or by format, including cell color, font color, or icon set.

Notes:

To find the top or bottom values in a range of cells or table, such as the top 10 grades or the bottom 5 sales amounts, use AutoFilter or conditional formatting.

For more information, see Filter data in an Excel table or range, and Apply conditional formatting in Excel .

WindowsWeb

Sort text

Select a cell in the column you want to sort.

On the Data tab, in the Sort & Filter group, do one of the following:

To quick sort in ascending order, click A to Z command in Excel that sorts A to Z or smallest number to largest (Sort A to Z).

To quick sort in descending order, click Z to A command in Excel that sorts Z to A or largest number to smallest (Sort Z to A).

Explanation:

5 0

2 years ago

The OSI model is a useful tool in troubleshooting a network because it enables you to isolate a problem to a particular software

lutik1710 [3]

Answer:

1) Layer 4, transport

2) Layer 2, datalink

3) Layer 5, session

4) Layer 7, application

Description of Problems are as below:

1) One of your servers has been exhibiting sluggish network performance. you use a network-monitoring program to try to evaluate the problem. You find considerable TCP retries occurring because the server is being overwhelmed by data, and packets are being discarded.

2) You check some statistics generated by a network-monitoring program and discovers that an abnormally high number of CRC errors were detected. (Hint think of the cause of CRC errors).

3) A user is trying to connect to another computer, but the logon attempt is continually rejected.

4) You try to access a Linux server to share files by using NFS. You can communicate with the server, but the shared files don't appear to be available.

Explanation:

OSI Model is a reference model to determine how applications communicate over a network. OSI consists of seven layers, and each layer performs a particular network function. The seven layers are:

Layer 7 - Application.

Layer 6 - Presentation.

Layer 5 - Session.

Layer 4 - Transport.

Layer 3 - Network.

Layer 2 - Data Link.

Layer 1 - Physical.

Layer 4, transport

2) You check some statistics generated by a network-monitoring program and discovers that an abnormally high number of CRC errors were detected. (Hint think of the cause of CRC errors).

Layer 2, Data Link

3) A user is trying to connect to another computer, but the logon attempt is continually rejected.

Layer 5, session

4) You try to access a Linux server to share files by using NFS. You can communicate with the server, but the shared files don't appear to be available.

Layer 7, application

7 0

3 years ago