What is the key distribution problem of the symmetric (secret) key encryption?

Answers

Answer 1
When encrypting content with a symmetric key, the receiving party needs to have this key in order to decrypt. However, there is a fundamental problem that the key itself cannot be easily shared with the receiver over an unsafe channel, where attackers could eavesdrop and capture it as well.

The solution for this is either to use asymmetric key encryption, or to use a key exchange algorithm such as the one devised by Diffie-Hellman.

Related Questions

For what is a USB port used?

It is used to connect flash drives to each other.
It is used to connect flash drives to devices.
It is used to connect devices to the Internet.
It is used to connect web pages to each other.

Answers

The answer is the second one. 

When you save a file to the cloud, it means your file stored _________

Answers

on an Internet-connected, remote computer, rather than your own device. Some examples of cloud-based software include Dropbox and Google Drive. One major benefit of the cloud is that you can access all of your data (for example, your photographs, music, schoolwork, or other important files) safely and securely on any device that has the ability to access it. For example, if you are working on an assignment at school but run out of time, you can save your work and access it anywhere else you can access the cloud, such as your home or library.

The device used to attach a microphone to a lectern is called a ____.

Answers

I think its called a Sound reinforcement system.

What does USB stand for?

Answers

USB stands for: Universal Serial Bus. 
They are typically used to store and transfer data between devices. 
USB stands for Universal Serial Bus. This means that you can plug in many different appliances into one port without having to find a appliance that fits a "certain" port.

hope this helps

How can I change it to accepted file types: .ppt, .pptx, .xls, .xlsx, .doc, .docx, .zip, .pdf, .accdb, .msg on Inkscape?

Answers

Go to file>export as and it will allow you to change it to other files.

Answer

Save the file as a different file type from within the software program in use

Explanation

The steps to apply in changing a file type are;

• Opening file in the default software program

• Click save as,,

• In the save as dialog box, find the drop down menu to select format

• Name file

• Choose location to save file


What are the set of rules to move data from one computer to another?

Answers

Final answer:

To move data between computers securely and efficiently, FTP can be used along with client software and backup programs. It is important to consider various aspects for effective data management such as data volume, storage, backup, and hardware, especially in remote locations. Ensuring accessibility to remote data requires specific details like the computer's IP or hostname, and your login credentials.

Explanation:

When you need to move data from one computer to another, several set rules and mechanisms are involved to facilitate secure and efficient data transfer. One common method is using a File Transfer Protocol (FTP) which involves a server and a client application. With FTP, you can synchronize files between systems at your convenience. Other solutions include using backup software that minimizes user error unlike manual methods such as 'copy/paste' or 'drag/drop'.

Considerations for Data Transfer

Before transferring data, consider the volume of documents, primary data storage location, backup strategy, and the physical distance documents need to be moved. Data management often involves tools like Excel for moving or duplicating data with 'Cut/Copy' and 'Paste' commands. A reliable backup is crucial for data security, thus investing in Solid State Drives (SSDs) can be beneficial for their durability, especially in remote locations.

Requirements for Remote Data Access

To access data remotely, you'll need:

Client software on your computer.The host name or IP address of the remote computer.A username with which to log in to the remote computer.A corresponding password.

In terms of hardware, choosing the right external hard drive, like a USB 3.0 SSD, can enhance your data management strategy. Additionally, being able to directly power the external drive from the computer itself can be particularly useful in fieldwork or remote situations.

When a hostname is configured through the cisco cli, which three naming conventions are part of the guidelines? (choose three.)?

Answers

When a hostname is configured through the Cisco cli,  there are some naming conventions are part of the guidelines that should be followed.

From these conventions:
1- the name of the host shouldn't contain any spaces.
2- the name of the host should always begin with a letter
3- the name of the host should be less than 64 characters in length.

2) Where was the first high-level language operating system created?

A- Harvard
B- MIT
C- IBM
D-Stanford


Answers

yo its mit were i go to collage

Answer:

IBM ( B )

Explanation:

The first high-level language operating system was created at IBM in 1954 and in 1956 the first operating system was created and introduced . the first programming language was created at IBM in 1954 and the language was known as FORTRAN ( Formula translation ) this was a high level programming language used for general purpose but it is best suited for scientific and numeric computations till date

The first operating system GM-NAA I/O, was produced and used  by General motors for IBM 704 although there were other operating systems which  were not put into commercial purpose but were as well produced for IBM.

Why does a layer 3 device perform the anding process on a destination ip address and subnet mask?

Answers

To get the network number and node number of the destination machine. The subnet mask is usually called the NETwork MASK, so anding it with the address gives you the network number. Using the not logical operator on the netmask then protects the node bits in a second and operation.

address & netmask = network number
address & not( netmask ) = node number

The not operator essentially just flips the bits of it's argument.

Which information does the show startup-config command display?

Answers

The show startup config command display is a command line interface to display all software items in the startup folder which are programmed to execute when the machine is powered on.

Are used to connect a computer to a telephone line for dial-up internet access

Answers

Modems are devices used to connect a computer to a telephone line for dial-up internet access. They convert digital data to analog signals suitable for transmission over phone lines.

The devices used to connect a computer to a telephone line for dial-up internet access are called modems. In the era of dial-up internet, a modem would convert the digital data from a computer into analog signals that could travel over the telephone lines. It would also convert incoming analog signals back into digital data for the computer. This process allowed users to access the internet using standard telephone lines.

However, using a modem meant that the phone line would be occupied, preventing voice calls during internet sessions. As technology advanced, dial-up connections were largely replaced by broadband connections, such as DSL (digital subscriber line), cable, fiber-optic, and satellite. These new technologies offered much faster internet speeds without tying up the phone line.

What are Programs that can run from a flash drive?

Answers

But this doesn't work for everything; many programs need to reside on the same physical drive as Windows. Heavy-duty apps like Office and Photoshop, for instance, are inextricably tied to the operating system; you could theoretically install them on your flash drive, but they wouldn't run on any other PC.

Hope this helps! :)

Which type of account typically has very high liquidity, low or no interest, and low minimum balance?

Answers

The type of account that typically has very high liquidity, low or no interest, and low minimum balance is called "Checking Account".

Usually this kind of accounts are used by various companies for different purposes like for travel they use checking account, for supplies checking account etc.

Difference between multiterm access and single term access for webassign

Answers

Final answer:

The main difference is the duration of access: single term access is valid for one academic term, while multiterem access spans multiple terms and can be cost-effective for yearlong or sequential courses.

Explanation:

The difference between multiterm access and single term access for WebAssign generally refers to the period of time for which a student may access a particular set of course materials. Single term access is typically valid for a single academic term, which could be a semester, quarter, or another part of the academic year, depending on the institution's calendar. In contrast, multiterm access allows students to use the same course materials over multiple academic terms, which can be beneficial for yearlong courses, sequential course series, or for students retaking a course.

With multiterm access, you potentially save money if you need access to the same resources for more than one term. However, it's vital to check with your institution or course syllabus to ensure that the multiterm access aligns with your educational plans. It's also important to verify whether your course uses the same materials for multiple terms.

Single term access might be more appropriate for a one-off class or if you do not plan on taking subsequent related courses. Therefore, the choice between the two types of access should depend on your academic needs, course length, and whether your subsequent courses will use the same materials.

What are the benefits of using a multiview sketch to communicate a design?

Answers

To be able to see all the details and function of the design

Please check my answers???



What is the primary benefit of using a search engine?

A. Discovering thousands of different types of websites
B. Finding needed information online (My answer)
C. Generating lots of traffic for your website
D. Locating information about the newest video games


What does adding OR to a search engine query do?

A. Adds significant time to the search (My answer)
B. Narrows the search
C. Widens the search
D. Nothing–OR is not a Boolean operator


What does adding NOT to a search engine query do?

A. Adds significant time to the search
B. Removes entires from the search engine results (My answer)
C. Widens the search
D. Nothing–NOT is not a Boolean operator


What term is used for the simple conjunctions used to narrow computer searches?

A. Boolean terms
B. Breadcrumbs
C. Search conjunctions
D. Shortcuts (My answer)


What does adding AND to a search engine query do?

A. Increases the number of search results (My answer)
B. Narrows the search
C. Widens the search
D. Nothing–AND is not a Boolean operator

Answers

They all look good to me, except i'm a little weary on number 2 I feel like OR widens the search because you are saying option 1 or possibly option 2 so it searches for the strings

Search engines do a good job of filtering the massive amount of information that is available online. Thus, option B is correct.

What are the main advantages of using a search engine?

In general, search engine returns results more quickly than other search engines. In 0.19 seconds, it may present millions of results. This is attributable to their technological foundation, which is far superior to the other engines.

Users are relieved of the burden of having to wade through numerous pointless web pages in quest of information that is genuinely useful or interesting.

Search engines are our virtual universities and knowledge repositories where people can quickly find any information they require on topics ranging from entertainment and fun to work, working, education, medicine, and more.

Therefore, finding needed information online are the main advantages of using a search engine.

Learn more about search engine here:

https://brainly.com/question/11132516

#SPJ2

How many instructions can the microprocessor execute each second if the assembly line is present?

Answers

The instructions that he microprocessor can execute each second if the assembly line is present will be depending on the workload and the architecture’s core because it is all depending on the speed of the CPU and the multiplier that it acquires.

When an algorithm reaches a(n) ____ operation, it waits until someone or something provides it with a
value.
computational
arithmetic
input
output

Answers

The answer to this question is input operation. Input operation is the signals/data that received by the programs to start a certain operation.
In personal computers for example, input operation needs to be triggered by the computer users that click the icon on the screen or type something through the keyboards.

Styles are modified by using the Office clipboard in the Home tab. true or false

Answers

Your answer is false

Some sites on the internet have the same ip address true or false

Answers

True. In my opinion, named based virtual hosting is the way to set up a webserver unless TLS is needed for a site. So I could have multiple sites going to the same IP address.

The kind of software that enables users to perform specific tasks is called _________ software

Answers

Application Software

what database object organizes your data by rows and columns?

Answers

A spreadsheet organizes your data by rows and columns.

In a paragraph of no less than 125 words, describe how technology helps business professionals to be more efficient. Include examples of hardware and software.

Answers

i can't type the essay for you but here are some ideas.

automates tasks (accounting and excel)
connectivity to users and employees (like marketing, skype, hiring online)
give a professional and deaign look to items (graphic designers)
learning and training (don't need to go to a school to learn code or selling like linkedin, Lynda, or edukit)
selling products (things don't have to be in a store. less costs for the business for the stores which is easier for customers because it is convient and it moves more product like Amazon)

Answer:

Technology can help business professionals be more efficient by automating tasks so it can be done quicker and be perfect. It can also mean good customer service like being able to talk over video chat and be able to help a custom that has a problem. Technology means internet and if you want your product advertised you can find a lot of places that can easily get your product viewed. And lastly you can sell your product on websites like ebay and amazon and ship your product across the globe.

Explanation: I am in the 10th grade so this will look like it was done from a student and also i used the other answer to write mine!

4. When inserting clip art into a page of text, which of the following is true? (1 point)
It is not important what the picture is, as long as it is an exciting picture.
The picture can only go above or below the text.
The picture must stay exactly where it first appears in relation to the text in the document.
You can choose where to position the picture in line with the rest of the text in the document.

Answers

I would vote for D since you can adjust picture positioning and wrapping. A is BS, B and C are not true.
its D trust me i got it right.

Which type of css style is best used to format only a single element on a single page in a site?

Answers

Inline CSS is the answer you're looking for, and is generally not good practice to use consistently, as it creates a lot of unnecessary clutter and mess. Prefer external CSS, or at the very least internal CSS.

Inline CSS is when you modify the element itself, rather than selecting classes, IDs and elements like you would with internal or external CSS.

The follow HTML and CSS would cause the paragraph to have red text:

<p style="color:red">
Hello World!
</p>

When formatting documents, ____ settings determine where text begins on a line in relation to the left margin?

Answers

Final answer:

Indentation settings such as hanging and first-line indents determine where the text begins in relation to the left margin, while paragraph alignment determines how text is aligned within those indents.

Explanation:

When formatting documents, indentation settings determine where text begins on a line in relation to the left margin. Paragraph alignment, such as being left-aligned, applies to all text within a paragraph and is typically used for letters and reports. For example, in Microsoft Word, you can create a hanging indent for citations, where the first line starts at the left margin and subsequent lines are indented. On the other hand, a first-line indent shifts the beginning of a paragraph to the right, away from the left margin. Margins themselves set the overall white space around the text on a page and can also be adjusted to control the document's layout.

Paragraphs can be indented relative to a page's margins without affecting their alignment using the Paragraph tools in Word. The default indent is set to 0 inches, with paragraphs extending from the left margin to the right margin.

In word, the ____ presents the most accurate view of how your document will look when printed, displaying the entire page on screen at once.

Answers

When using Microsoft Word, the "Print Preview" presents the most accurate view of how the document will look when it is printed. When using "Print Preview" the entire page is displayed on screen, making it easier to see what adjustments should be made to the page layout, such as spacing or text size.

Simple mail transfer protocol (smtp) uses the well-known port number ______________ by default.

Answers

I believe it's default is port 587. 

Answer:

it is port 587 or( :587)

The meta element is coded in the ___________ section of a web page document.

Answers

Hi!

The meta element is included in the <head> tag section. It's something that you can't visibly see on your website.

Hopefully, this helps! =)

A(n) ______ database stores data in tables that consist of rows and columns.

Answers

Answer:

relational

Explanation:

A relational database is a type of database that has a group of tables organized in rows and colums in which the data is related to one another. As tables are connected and share information, this allows to organize the data in different ways, search for information and create reports.

According to this, a relational database stores data in tables that consist of rows and columns.

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