What are backup storage devices of computer? Why are they necessary in the computer system?​

Answers

Answer 1

Answer:

Backup storage devices retains current copies of data on hand, enabling backup in the event of hardware failure or data loss. Backup storage, unlike long-term, archive, or cold storage, must allow for the quick recovery and restoration of backup data. Backup storage devices are disk-based hardware appliances that include specialized software for encryption, interconnection, data processing, and compression. A remote backup appliance aids in the maintenance and recovery of company operations. As storage media, backup storage frequently employs both disk-to-disk (d2d) and magnetic tape systems.

The primary function of such devices is data storage and processing, which serve to improve efficiency and performance. This component comprises hard disks, USB drives, solid-state drives, and portable hard drives. There are additional storage options, such as cloud storage, AWS storage, and so on, but they are not the principal sources of storage devices. These are some of the new ways to save data online. Storage devices are an essential component of a computer system.


Related Questions

Ignore this it a temporary note for me: SPSstudents

Answers

Answer:

okk

Explanation:

What key advantage does a virtual router have over a physical router?

Answers

The key advantage that a virtual router have over a physical router is that it van support multiple networks over a single interface.

What is a router?

It should be noted that a router simply means a device that forwards data packets between the computer networks.

In this case, the key advantage that a virtual router have over a physical router is that it van support multiple networks over a single interface.

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What is one advantage of using a next-generation firewall rather than a stateful firewall?

Answers

The advantage of using a next-generation firewall rather than a stateful firewall is that integrated use of an intrusion prevention system (IPS).

What is the advantage about?

The  Stateful firewalls and next-generation firewalls are known to be tools that helps in good or better log information instead of a packet filtering firewall and they also both defend against spoofing, and others.

Note that its advantage includes Granularity control within application​s as well as others.

Therefore, The advantage of using a next-generation firewall rather than a stateful firewall is that integrated use of an intrusion prevention system (IPS).

See full question below

What is one benefit of using a next-generation firewall rather than a stateful firewall?

reactive protection against Internet threatssupport of TCP-based packet filteringsupport of loggingintegrated use of an intrusion prevention system (IPS)

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Before a computer can use a router, what configuration information must it be provided?

Answers

Before a computer can use a router, the default gateway must be configured.

What are routers?

Routers are device that connects two or more packet-switched networks or subnetworks.

A router receives and sends data on computer networks.

The router route the IP addresses of this computer over the internet for effective communication.

The default gateway allows for devices in one network to communicate with devices in another network.

Therefore, the default gateway must be configured before a computer can use a router.

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Which two cisco products are equipped with the integrated connector to the cisco cws service? (choose two. )

Answers

The cisco products that are equipped with the integrated connector to the cisco cws service include Cisco ESA and Cisco WSA.

What is an integrated connector?

It should be noted that an integrated connector are the components that are offered to connect with applications and data sources.

In this case, the cisco products that are equipped with the integrated connector to the cisco cws service include Cisco ESA and Cisco WSA.

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Hi Lesiana, After your presentation last week, the manager thinks an in-house solution is the way to go. Although our programmers have much experience with system integration and development, they have little experience with user design. You'll have to lay out all the pages of the system. For now, just create a hierarchical drawing of all the pages needed for this system. Think of the menu on the top of the screen and what you'd click on to move to the next screen.
Once you finish the hierarchy, I'll need you to draw out examples of a few of the screens. For example, show a screen with a menu, another which requests user input, one that has methods to contact us, and the last one as an informational page. The menu screen can be an opening page or even a page to decide on types of reports to run. The user input page can be one for any of the users, such as the appointment setters or technicians. Make sure that you outline all of the required validation rules for this input page. The informational page can either be a static page or results from a search. Make sure that you include navigation buttons on each of these example pages.

Answers

The Hierarchical drawing of the In- House solutions includes Four categories such as product, service, training, support and about.

What is Hierarchical drawing?

Hierarchical drawing is also known as Layered Graph Drawing which includes the drawing in the vertices and are made on the Horizontal rows and layers.

The complete solution is attached below.

The In-House solutions' hierarchical diagram covers four categories, including product, service, training, support, and about.

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Explain 3 features of the Microsoft excel spreadsheet

Answers

Answer:

The main features of MS Excel Spreadsheet are:

- Inserting a pivot table - When you have a small table for group values on different categories.  

- Sorting of data in tables - Allows you to organize your data in the table

- Adding formulas to the spreadsheet - The possibility to insert formulas and numbers so the spreadsheet can calculate for you.

- Calculating large amounts of data - all of the features above allow you to calculate large amounts of data.

Links:

- https://en.wikipedia.org/wiki/Pivot_table

- https://byjus.com/govt-exams/ms-excel-basics/#:~:text=What%20are%20the%20main%20features,sheet%2C%20and%20calculating%20large%20data.

Imagine an everyday scenario in which you are using the internet: downloading a file, uploading a photo, checking your email, etc. You may choose the data “type” and overall scenario according to your own preferences. Next, create a slideshow presentation of how that data moves through the seven layers of the Open Systems Interface (OSI), starting with the hardware in the Physical Layer and ending with the software of the Application Layer.

Be sure to mention specifically which of these services and protocols would be used in your scenario:

Data Link Layer: ARP, OSPF, L2TP, PPP
Network Layer: IP, ICMP, IGMP, IPsec
Transport Layer: TCP, TSL/SSL, UDP
Application Layer: DHCP, DNS, FTP, HTTP, SMTP, Telnet, IMAP.

This doesn't need to be a long answer or even cover all of those.

Answers

Imagine an everyday scenario in which you are using the internet: downloading a file, uploading a photo, checking your email, etc then TCP and UDP vacation spot port numbers are dynamically generated with the aid of using the sending tool that allows you to music the responses to requests.

Which TCP IP software layer protocol is generally used to map IP addresses to the Web pages?

FTP (File Transfer Protocol) It is one of the extensively used software layer protocols of the TCP/IP protocol suite. FTP is largely used to change facts among host gadgets over the Internet or Intranet securely.

TCP and UDP vacation spot port numbers are dynamically generated with the aid of using the sending tool that allows you to music the responses to requests. TCP mechanisms retransmit facts while an acknowledgment isn't always acquired from the vacation spot device inside a hard and fast duration of time,.

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Describe the fundamental security policies outlined by PCI DSS, FISMA, and COBIT. In a subsequent paragraph, identify at least 2 types of industries (e.g., Internet service providers, health care, education) and describe which of the latter standard(s) should be considered in that industry. Defend your response.

Answers

PCI policies are known to be a kind of security policy that is said to covers how an organization look into or see the 12 requirements of the Payment Card Industry Data Security Standard (PCI DSS).

What are the areas that PCI DSS covers?The fundamental security policies of PCI DSS Requirement  covers:Processors and Backup serversThird parties that store or handle PAN.The Outsourced management of systems or equipment and others

Therefore,  PCI policies are known to be a kind of security policy that is said to covers how an organization look into or see the 12 requirements of the Payment Card Industry Data Security Standard (PCI DSS).

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Vani is trying to connect a microphone to her laptop. What are the two way she can connect the microphone?

Answers

Through the audio jack or via Bluetooth

What two benefits are a result of configuring a wireless mesh network? check all that apply

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The benefits that are a result of configuring a wireless mesh network include great coverage and retransmission of signals.

What is a mesh network?

It should be noted that a mesh network means a group of device that acts as a single WIFI network.

In this case, the benefits that are a result of configuring a wireless mesh network include great coverage and retransmission of signals.

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If you click a hyperlink, your browser will:

Answers

If an end user click a hyperlink, his or her web browser will display a new webpage or another area on the same page.

What is a hyperlink?

A hyperlink refers to an element in a hypertext markup language (HTML) document such as a website, which is designed and developed to provide a direct access or link to another HTML document, webpage, location, image, etc.

As a general rule, a web browser will display a new webpage or another area on the same page when an end user click a hyperlink.

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during which software development phase do users begin using an app?

Answers

In the testing phase, a small selection of users are invited to use the app.

Edra kinsman is the sales manager for narbonne suites hotel chain, which has locations in washington, oregon, idaho, and montana. edra is using multiple worksheets to summarize sales data by state. break the external link in the worksheet, so that the formulas in the range b4:b7 of the manager information worksheet are replaced with static values. then switch to the manager information worksheet.

Answers

To summarize and present the findings from multiple worksheets, combine the data from each worksheet into a single worksheet.

Describe a worksheet?

In Excel documents, a "worksheet" is a collection of cells organised into rows and columns. Data consolidation enables the fusion of data from multiple worksheets into a single master worksheet.

In other words, you can quickly update a single worksheet by using the Data Consolidation tool to combine data from multiple worksheets or workbooks.

Thus, To summarize and present the findings from multiple worksheets

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The involvement of the United States in the ______ and ______ resulted in _______ .

Answers

The involvement of the United States in the Iraq and Kuwait conflict resulted in Persian Gulf War.

What is the Persian Gulf War?

The Persian Gulf War can be defined as an international conflict that was led by the United States of America alongside the forces of the United Nations (UN) against the larger state of Iraq, in response to her invasion and annexation of the smaller country of Kuwait.

In this context, we can infer and logically deduce that the involvement of the United States in the Iraq and Kuwait conflict resulted in Persian Gulf War.

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write an if/else statement that assigns true to the variable fever if the v ariable temperature is greater than 98.6

Answers

Answer:

import java.util.Scanner;

class Main{

   public static void main(String[] args){

     double temp;

     Scanner scan = new Scanner (System.in);

     System.out.println("Enter the temperature, please: ");

     temp= scan.nextDouble();

     

     if (temp>=98.6){

       System.out.println("Fever.");

     }else{

       System.out.println("No Fever.");

     }      

   }

Drive
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Sorting Minute
True
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An Excel table can help
you organize your data in
preparation for using it
with charts and other
analysis tools.
Copyright © 2003-2022 International Academy of Science. All Rights Reserved.
False

Answers

Answer:

What

Explanation:

True

explain the operation of an air cnditioner​

Answers

Answer:

Hopefully This Helps :)

Explanation:

The principle of air conditioning is based on the laws of thermodynamics. An air conditioner operates using the refrigeration cycle. Specific refrigerants are needed as the working fluid in the refrigeration cycle.

An air conditioner goes through 4 processes; compression, condensation, expansion, and evaporation. Typically, an air conditioner is made up of 4 major components; compressor, heat exchanger, fan, and expansion valve.

                 

                    Condensation/Expansion/Evaporation/Compression

In what order will the transmission control protocol (tcp) generally send all segments

Answers

The order that the transmission control protocol (tcp) generally send all segments is a sequential order.

What is a transmission control protocol?

It should be noted that the transmission contol protocol simply means a communication standard that enables application programs to exchange messages over a network

In this case, the order that the transmission control protocol (tcp) generally send all segments is a sequential order.

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What is the name of the directory that contains symbolic links to unix sysv rc scripts for runlevel 2?

Answers

/etc/rc2.d is the name given to the directory that contains symbolic links to UNIX SysV rc scripts for runlevel 2.

What is a directory service?

A directory service can be defined as a software system designed and developed to store, organize and provide end users with a name and an access to directory information, so as to effectively and efficiently unify (synchronize) all network resources.

In Computer networking, /etc/rc2.d is the name given to the directory that contains symbolic links to UNIX SysV rc scripts for runlevel 2.

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What is the first negative index in a string?

Answers

In Computer programming, -1 is the first negative index in a string.

What is a string?

A string can be defined as a data type which is commonly used for data values containing ordered sequences of characters.

Also, a string can either contain a single character or be entirely empty. "Hello world" is a typical example of a string in computer programming.

In Computer programming, -1 is the first negative index in a string.

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What are 2 ways to send a message to your client when signed in as an accountant user?.

Answers

Answer:

The use of Ask client and request are the two ways to send a message to your client when signed in as an accountant user.

How to achieve competitive advantage using information systems models

Answers

Information systems can achieve competitive advantage by engaging in:

Lowering costing.Boasting differentiation of their product.Changing Their competitive scope.

What is competitive advantage?

Competitive advantage is known to be that  factors that helps a firm to produce goods or services better or relatively more cheaply than their counterparts.

Note that in the case above, Information systems can achieve competitive advantage by engaging in:

Lowering costing.Boasting differentiation of their product.Changing Their competitive scope.

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You have decided to roll out microsoft office to all users using a single license that covers all users. which type of license will be used?

Answers

The type of license which will be used for all users using a single license and covers all users is volume licensing.

What is a volume license?

A volume license can be defined as a type of license that is designed and developed to avail a software developer or publisher an ability to use a single license for various end users, while covering all installations of a software product such as Microsoft Office.

This ultimately implies that, volume licensing is a type of license which will be used for all users using a single license and it covers all users.

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<
1 2 3 4 5
List
the steps for copying and pasting into the correct order.
First
Second
Third
Fourth
Fifth
I III I

Answers

Answer:

first :highlight the text

second: select the cut command

third: nice the cursor to the new location

forth: select the paste command

What was the name of the first computer, developed by charles babbage?.

Answers

Answer: Analytical Engine

Explanation:

Answer:

analytical engine - 1837

What is a disadvantage of network-based ips devices?

Answers

A disadvantage of network-based IPS devices is that they cannot detect attacks that are launched using encrypted packets.

What is an IPS devices?

An intrusion prevention system (IPS) is known to be a kind of network security tool which helps to constantly look into a network for malicious activity and they often takes action to hinder it.

Note that in the case above, A demerit of network-based IPS devices is that they cannot detect attacks that are launched using encrypted packets.

See full question below

What is a disadvantage of network-based IPS devices?

They use signature-based detection only.

They cannot detect attacks that are launched using encrypted packets.

They are implemented in expensive dedicated appliances.

They cannot take immediate actions when an attack is detected.

I don't know what IPS means, I was day dreaming

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which is a guideline for conducting technical reviews?

Answers

A guideline for conducting technical reviews is to be sure team members have identical skillsets.

What is Technical review?

Technical review is a term that connote the application of scientific, engineering, or other form of expertise to know if activity for which a permit is requested attain the standards for giving the permit under the required statute and rule.

Therefore, A guideline for conducting technical reviews is to be sure team members have identical skillsets.

See options below

Which is a guideline for conducting technical reviews?

be sure team members have identical skillsets

involve people from different backgrounds

omit domain experts on the review team

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Access passwords (or pins) and device encryption for devices are:

Answers

Access passwords (pins) and encryption for devices are recommended for all devices, especially for portable ones because they can easily be lost or stolen.

What is a password?

A password can be defined as a string of characters, phrase or word that is designed and developed to distinguish an unauthorized user from an authorized user.

Additionally, an encryption is used to conceal and secure a digital data, so as to make it hidden to unauthorized user.

In conclusion, access passwords (pins) and encryption for devices are recommended for all devices, especially for portable ones because they can easily be lost or stolen.

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Suppose that you want to write a program that inputs customer data including name, zipCode, balance, and regionNum. At the end of the program, a summary of the number of customers in each of 12 sales regions who owe more than $1000 each is displayed. The most likely statement during the main processing loop would be _________.

Answers

The most likely statement during the main processing loop would be

customerCount[regionNum] =

customerCount[regionNum] + 1

What is a processing loop?

A loop means a sequence of instruction s that is continually repeated until a certain condition is reached.

In this case, the most likely statement during the main processing loop would be customerCount[regionNum] = and customerCount[regionNum] + 1.

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