Multiple database updates are managed through transactions within a single application as a single unit of work.
What is the application to handle the transaction load?In a DBMS, a transaction is a logical processing unit that includes one or more database access operations. A transaction is a computer unit whose execution might or might not alter a database's contents.
In other words, if you have an application that manages data in one or more databases, you can make sure that all updates are committed simultaneously across all databases if they are handled as part of a transaction.
Therefore, Concurrent access should be managed to prevent problems like hardware failure and system failures.
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The process of repeatedly increasing a value by some amount is known as
O a. adding
O b. containing
O C. checking
O d. accumulating
In a nested loop, the inner loop goes through all of its iterations for each iteration of the outer loop. True or false?.
True
To get the total number of iterations in a nested loop, add the number of iterations in the inner loop to the number in the outer loop.
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must eat is a company that allows online food delivery. must eat rolls out updates every month for better user interface. recently, after one of its updates, the network team of the company detects certain unauthorized access to the main data frame of the company. on inspection, the team notices that there has been no breach of sensitive data. what kind of cybersecurity exploitation was attempted by the hackers in this scenario?
Since must eat is a company that allows online food delivery, the kind of cybersecurity exploitation was attempted by the hackers in this scenario is A zero-day attack.
What is meant by zero day attack?Since the seller or developer has only become aware of the flaw, they have "zero days" to remedy it, hence the term "zero-day." When hackers take advantage of the vulnerability before developers have a chance to fix it, it is known as a zero-day assault.
This harmful computer worm targeted machines in Iran, India, and Indonesia that were utilized for manufacturing. Iran's uranium enrichment facilities were the main target in an effort to thwart the nation's nuclear program.
Therefore, Since there are currently no antivirus signatures or updates for zero-day threats, they are by definition challenging to identify. There are a variety of zero-day vulnerability detection techniques that can be used to locate previously unknown software vulnerabilities.
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See full question below
Must Eat is a company that allows online food delivery. Must Eat rolls out updates every month for better user interface. Recently, after one of its updates, the network team of the company detects certain unauthorized access to the main data frame of the company. On inspection, the team notices that there has been no breach of sensitive data. What kind of cybersecurity exploitation was attempted by the hackers in this scenario?
1. It could have been an evil twin exploit.
2. It could have been an attempted hack by a white hat hacker
3. A zero-day attack might have been the cause
4. It could have been an attempted hack by a gray hat hacker
you would like to transmit three numbers from one node to another node using digital communication medium. each number you enter the keyboard has to be converted to digital bits ( i.e. ones and zeros). how many bits will be needed to store and send all three numbers
Eight bits are required to store and send all three numbers. Three bits can store 2·2·2 values. So to store 3 values, you need at least two bits.
What are bits ?The smallest piece of data that a computer can process and store is a bit (binary digit). Similar to an on/off light switch, a bit is always in one of two physical states. Usually a 0 or 1, the state is represented by a single binary integer.
Computers interpret our intentions and process information based on how those "instructions" are represented as bits.
The majority of systems process and store data in bytes, even if a computer may be able to evaluate and alter data at the bit level. A byte is an eight-bit string that is regarded as a single entity. Bytes are always used to refer to a computer's memory and storage.
The place value, also known as the bit value, is the value that is assigned to each bit in a byte. Based on the individual bits of a byte, the place values are utilised to interpret the meaning of the byte as a whole. In other words, the byte values show which character corresponds to each byte.
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identify the core of an rg-6 coaxial cable. question 8 options: a) 20 awg b) 22 awg c) 28 awg d) 18 awg
The core of an RG-6 Coaxial Cable is 18awg. (Option D).
A coaxial cable is a form of copper cable that is particularly designed with a metal shield and other elements to prevent signal interference. Cable TV providers typically utilize it to link their satellite antenna installations to consumer homes and businesses.
What is a Coaxial Cable used for?A coaxial cable is a form of transmission line that is used to transport high-frequency electrical signals with little loss.
Telephone trunk lines, broadband internet networking cables, high-speed computerized data buses, cable television transmissions, and linking radio transmitters and receivers to their antennas are all examples of where it is utilized.
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you are working as a security admin in an enterprise. while you were analyzing different password attacks, you found that whenever an individual user's password gets cracked, another user with the same password residing in the same password digest file also has their account compromised. how should you prevent this from happening in the future?
To prevent from this different password attacks in the future You should add salt to the password before hashing.
Why is it called salt in hashing?
Prior to hashing a password, extra information is added to a string called a salt. It is comparable to adding table salt to meals in that it alters and enhances the cuisine, hence the name "salt."Random bits are added to each password instance before it is hashed to provide a cryptographic salt. Even when two users select the identical passwords, salts provide distinct passwords. By requiring attackers to recompute hash table attacks using the salts for each user, salts help us prevent hash table attacks.An attacker can use hash tables to steal passwords and compromise accounts if there is a system-wide salt. Instead, every password made for a user should be individually hashed and salted.To learn more about salted passwords refer :
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Complete the sentence about bias and equity.
Biased algorithms may make
decisions that negatively impact the lives of individuals from minority groups.
The completed sentence is:
Biased algorithms may make erroneous decisions that negatively impact the lives of individuals from minority groups.
What is a Biased Algorithm and how do you prevent one?Algorithmic bias refers to persistent and recurring flaws in a computer system that result in "unfair" outcomes, such as "privilege" for one category over another in ways that are inconsistent with the algorithm's intended function.
Use the following steps to decrease bias in algorithms:
STEP 1: Algorithms for inventory. Make a list of all the algorithms in use or developed in your business. A steward should be designated to manage and update the inventory.STEP 2: Look for bias in each algorithm.STEP 3: Retrain erroneous algorithms. Improve or stop using biased algorithms.STEP 4: Preventive measures. Create structures and protocols for ongoing bias mitigation and a permanent team to enforce those protocols.Learn more about Biased Algorithms:
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you are working on a project to design a new software for your company to use. creating the software involves an extensive amount of high level coding. this yields for a potentially high risk. how long should your sprints be?
Creating the software involves an extensive amount of high level coding. this yields for a potentially high risk should long sprints be as short as possible.
What does software developmnent means?
Software development is the name given to a group of computer science tasks involved in developing, deploying, and maintaining software. The set of instructions or programs that a computer follows are known as software. It makes computers programmable and is independent of hardware.
What is high level coding.?
Konrad Zuse's Plankalkül was the first high-level programming language intended for computers.
With the exception of Heinz Rutishauser's "Superplan" language and, to a lesser extent, ALGOL, it was not implemented during his lifetime, and World War II effectively cut off his original contributions from other advancements. Fortran was the first widely used high-level language. It was a machine-independent upgrade to IBM's earlier Autocode systems.
The ALGOL family introduced recursion as well as nested functions under lexical scope, with ALGOL 58 defined in 1958 and ALGOL 60 defined in 1960 by committees of European and American computer scientists.
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Which is an example of a report a company might create using a relational database?
a. a toy manufacturer joining data tables of restaurant locations, customer names, and amount of toys ordered
b. a clothing retailer joining data tables of pant designers, available styles, and herbal teas
c. a hospital joining data tables of surgical equipment, best-selling novels, and types of surgery
d . a college bookstore joining data tables of professor names, classes they teach, and books they require
Select the four functions that a database management system can perform on data in a database?.
The four functions that database management systems perform on data residing in a database are: create data, serach data, update data, and delete data.
Database management systems are software systems that allow the creation and management of a massive amount of data. Database management systems offer various functions. Out of all the four basic functions include:
Create data: This function of the database management system permits the storage of large amounts of data in a single system; every data item has a unique identity.Search data: This function of the database management system helps to find any specific record or data item within a second from the database.Update data: Data in a database requires updates regularly or occassionly. This function of the database management system allows to update the data with the latest information, whenever needed.Delete data: If it seems that data is no longer in use; the delete function of the database management system makes it easier to delete the specified data.You can learn more about database management system at
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What are some ways to access the Excel Help window? Check all that apply.
clicking and dragging the zoom slider on the status bar
double-clicking the title bar
clicking the question mark in the upper-right corner of the interface
pressing the F1 key on the keyboard
correct answer is c and d
The ways to access the Excel Help windows is option C and D:
Clicking the question mark in the upper-right corner of the interface.Pressing the F1 key on the keyboard.How fast can I learn Excel?Excel's interface and fundamental operations can be understood in its entirety in a matter of hours, but mastering its more advanced features may take more time and effort. Most users of Excel need 18 to 20 hours to completely understand this spreadsheet program.
Note that The File menu also has a Help option. Click File in any Office application, then select the recognizable? button in the top right corner. To open the Help Viewer window for the Office application you are using, press the F1 function key at any time.
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you are the network administrator of a medium-sized company. your company requires a fair degree of security, and you have been tasked with defining and implementing a security policy. you have configured password policies so that users must change their passwords every 30 days. which password policy would you implement if you want to prevent users from reusing passwords they have used recently?
The password policy that would you implement if you want to prevent users from reusing passwords they have used recently is Account-Lockout Policy.
Describes the Account Lockout Policy settings and provides links to details for each setting. Someone trying to access your system with more than a few unsuccessful password tries might be a malevolent person trying to guess an account password by trial and error. Windows domain controllers monitor logon attempts, and they can be set to disable the account for a predetermined amount of time in response to this kind of possible assault. The threshold for this response and the subsequent actions are controlled by the Account Lockout Policy settings. The Group Policy Management Console's Computer Configuration > Policies > Windows Settings > Security Settings > Account Policies > Account Lockout Policy section is where Account Lockout Policy settings can be changed.
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which is not true about the using keyword? group of answer choices it can be used with inner or outer joins the join must be an equijoin, meaning the equals operator is used to compare the two columns you code a using clause in addition to the on clause you use it to simplify the syntax for joining tables
When you wish to combine multiple tables and the tables have the same column name and you want to compare the data from these tables using the same column name, use the Using keyword rather than the On keyword.
How to Using keyword in PHP?To learn more about PHP's "inner" and "outer" joins. I'll now explain how to join tables using the "Using" keyword in this article. The "On" keyword is substituted with the term "Using".The designation table has two columns, but the emp table has four columns (id, fname, lname, and salary) (id and role). Now you can see that both tables contain a "id" field.It is typical for columns that are being compared to have the same name when you code a "equi join."The "Using" keyword can be used to make the query simpler for joins like these. The following example demonstrates the use of the "Using" keyword in place of the "On" keyword. Using their IDs, we connected two tables in the sample below. And the emp role will be returned from the designation database based on the name of the id column.If you want to combine multiple tables with the same column names and compare the data from these tables using the same column names, you can use the "Using" keyword rather than the "On" keyword, according to the explanation that came before. The keyword "Using" is usable.To Learn more About Using keyword Refer to:
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pl enter the output
The output of the program is as follows:
Day name is SundayDay name is MondayDay name is TuesdayDay name is WednesdayDay name is ThursdayDay name is FridayDay name is SaturdayPlease enter correctPlease enter correctPlease enter correctHow to determine the output of the program?The complete program is given as an attachment
In this attachment, we can see that:
The program makes use of conditional statements
These conditional statements are such that:
if the input takes any value between 1 and 7 (inclusive), the program prints the corresponding day (from Sunday to Saturday)
Other inputs outside this range (i.e. from 8 to 10), the program prints "Please enter correct" without the string
Hence, the outputs of the program are the correct day for valid input, and "Please enter correct" for invalid inputs
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electronic components) that can be used as a switch, which is triggered electronically (i.e., the switch is electronically controlled by arduino rather than manually controlled like push button). explain how each device works.
Serial port is used by Arduino to communicate orders to the computer (USB).Python, which is currently running on the computer, will then read this data, and based on the read data, an action will be taken.
What can be controlled with Arduino?An electronic switch is a component or device used in electronics that can switch an electrical circuit, interrupting it or rerouting it to another conductor.Because they can be either on or off, electronic switches are regarded as binary devices. When there is a power outage, an automatic transfer switch is the mechanism that automatically turns on the generator and connects it to the installation.The mains supply must be totally isolated from the installation when the generator is attached.The Changeover Switching needs to be mechanically connected. Electrical switches are electromechanical devices that are used in electrical circuits to control power, detect when systems are outside of their operating ranges, alert controllers to the location of machine parts and workpieces, offer a method for manual control of machine and process functions, control lighting, and other functions.To learn more about Arduino refer
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What is the single most important component of a computer?
Responses
DIP
DIP
Motherboard
Motherboard
Central Processing Unit
Central Processing Unit
Chipset
Answer:
I'd say the motherboard
Explanation:
Computers cannot run without their motherboard. All components of a computer are connected to the motherboard, and the motherboard processes data. If the computer had no motherboard, there would be no DIP or Central Processing Unit.
error1could not write to output file 'the process cannot access the file because it is being used by another process.
This issue typically arises when you try to launch a programme that you haven't shut down previously. It can be can be an Operating system error or in any program you are coding.
This may occur if the file being referenced is open in another application or if the uploading process crashes. To fix it, first confirm that no users are currently viewing the file anywhere, then restart the computer to ensure it is not open as a leftover from a crash.
It is common knowledge that if a file is already in use, another process cannot change it. In this case, the Operating system locks a file when a programme or process opens it, making it impossible for another programme to make changes to it.
The problem usually arises when the user tries to execute a netsh command. Some users claim that when they attempt to right-click a website in the IIS (Internet Information Services) MMC (Microsoft Management Console) snap-in, they receive the error message.
Closing your programme (which could be the forms you created) or restarting the application are the next steps to correct it. If nothing else seems to work, launch task manager and check to see if your programme is still active even if you can't see it on the screen.
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1. If you were making a sports game, should you include a mode where the computer can play against itself? If so, why? If not, why not?
Answer:
I say not
Explanation:
because it's pretty not smart to have the computer going against itself
maria is a new network engineer for a company that was established more than 30 years ago. she is examining the it infrastructure and discovers that the virtual private network (vpn) solution employs an older encryption protocol for backward compatibility. this protocol has largely been replaced, but it used to be popular in early vpn solutions. what is this protocol?
Answer:
SSL was the old protocol, which has been replaced by the TLS protocol.
Explanation:
if you wanted to see the steps your users take to reach a key task or conversion, which exploration technique would you use to visualize those steps and see how well they are succeeding or failing at each step?
With the use of funnel exploration, you can easily assess how well your users are succeeding or failing at each step in the process of completing a task.
You can indicate the route you anticipate traffic to travel by using a destination target. This route is known as a funnel. Analytics can track where people enter and leave the path to reach your objective when you describe the steps in a funnel. The Goal Flow and Funnel reports contain this data. Scope is divided into four categories: product, hit, session, and user. Product - value is utilized with the specified product. When a hit is made, the hit-value is applied to that particular hit.
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viruses that load from usb drives left connected to computers when computers are turned on are known as (1 point) polymorphic viruses. encryption viruses. boot-sector viruses. script viruses.
Viruses that load from usb drives left connected to computers when computers are turned on are known as encryption viruses.
If they are found, encrypting viruses, a type of computer virus, can pose serious issues. Computer systems are essential to everyday life around the world. One of the most dangerous viruses is an encryption virus because, once it has infected your computer or laptop, it may start encrypting all of the important and private documents and files you have stored there, rendering them useless and unreadable. It may also be deleted, causing data loss, or it may trigger an automatic factory reset, which may erase all of your accounts and other crucial data.
Cybercriminals use encrypted Ransomware, which has grown to be the most common type, because it is challenging to decrypt it and get rid of the infection.
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which statement best describes how vpc routers and firewalls work? they are managed by in virtual machines and customers cannot modify them. they are managed by as a built-in feature
The phrase "they are managed by as a built-in feature" best captures how virtual private network routers and firewalls operate.
What is vpn and firewall?For packets going to and from VM instances, both VPC firewall rules and hierarchical firewall policies are in effect. Even when traffic is only moving between VMs within the same VPC network, these types of firewalls nonetheless regulate it.Based on a configuration you define, VPC firewall rules enable you accept or restrict connections from or to the virtual machine (VM) instances. Regardless of its configuration or operating system, instances are always protected by enabled VPC firewall rules, even if they have not yet started up.In your VPC, you employ a firewall for each Availability Zone. You select a subnet to house a firewall endpoint which filters your traffic for each Availability Zone.To learn more about vpn firewall refer to :
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Antivirus software prevents infection by recording key attributes about your files and checking to see if they change over time in a process called?.
Antivirus software prevents infection by recording key attributes about the files and checking to see whether they change over time in a process called inoculation.
Antivirus software are programs that protects computer systems and removes viruses that can damage data or computers. There are many types of antivirus software that use different processes to prevent files and data from damage that may cause by viruses. Inoculation is one such process that is used by antivirus software programs.
Inoculation refers to a process used by an antivirus software utility program that compares old and current versions of files to check to see if there occur any changes. In this way, inoculation detects malicious activities that otherwise can badly damage important data.
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write a function called convertstrtoint that inputs four strings that represent integers, converts the strings to integers, sums the values and prints the total of the four values.
A group of components of the same data types are held together in an array..
What is string and array?A group of components of the same data types are held together in an array, which is a linear data structure.An object that defines a string of characters is called a string.It is both one-dimensional and two-dimensional.String has only ever two dimensions.#include <stdio.h>
#include <stdlib.h>
int main(void)
{
char x[10];
char y[10];
char z[10];
char t[10];
int sum=0;
puts("Enter 4 strings to be summed");
scanf(" %s %s %s %s", x, y, z, t);
printf("\nSum is=%d", atoi(x)+atoi(y)+atoi(z)+atoi(t));
}
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an application programming interface (api) for a website tells you how to group of answer choices use ajax to get data from the site use jsonp to get data from the site download data from the site navigate the site
An application programming interface (api) for a website tells you how to navigate the site
What is Application Programming Interface?Using a set of definitions and protocols, Application Programming Interface are techniques that let two software components communicate with one another. For instance, the software system of the weather bureau contains daily weather information. Your phone's weather app "talks" to this system via Application Programming Interface to provide you with daily weather updates.The term "API" stands for application programming interface and has been used by software for a long time to access data, server software, and other applications. APIs are incredibly adaptable and can be utilized with hardware, operating systems, databases, and web-based applications.To learn more about application programming interfaces refer to:
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each end of the vpn represents an extension of your organizational network to a new location; you are creating a(n) .
Extranet represents an extension of your organizational network to a new location.
What is VPN?
A VPN, in its simplest form, offers an encrypted server and conceals your IP address from businesses, authorities, and would-be hackers. When using shared or public Wi-Fi, a VPN secures your identity and keeps your data hidden from snooping online eyes.
What is Extranet?
In contrast to an intranet, an extranet is a private network that is accessible to third parties such as suppliers, key customers, and business partners. An extranet's primary function is to enable user data and application exchange as well as information sharing.
In 2022, a VPN will be a valuable and important tool. Your private and personal information is fully protected, and it is kept out of the hands of anyone who might use it against you in the future.
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what is process modeling? multiple choice an illustration of the movement of information between external entities and the processes and data stores within the system software suites that automate systems analysis, design, and development a formal, approved document that manages and controls the entire project a graphic representation of the processes that capture, manipulate, store, and distribute information between a system and its environment
Option 4 is correct. The graphical representation of business processes or workflows is called process modeling.
Similar to a flow chart, each stage of the process is broken down into its component parts to provide a complete picture of the tasks involved in the process as they relate to the business environment. By providing data-driven visual representations of the most important business processes, business process modeling provides organizations with an easy approach to comprehend and optimize workflows. The different business processes that underpin most organizations' day-to-day operations are generally pretty well understood. Data modeling is the technique of utilizing words and symbols to describe the data and how it flows to create a streamlined picture of a software system and the data pieces it includes.
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bilmain manufactures has recruited you as a network administrator to handle the organization's network operations. you want to set up a class a ip address. what will be the subnet mask for this class a address?
Since Bilmain manufactures has recruited you as a network administrator to handle the organization's network operations, the subnet mask for this class A address is 255.0.0.0.
Why is a subnet mask of 255 usually used?The 255 address, or host address of all ones in binary notation, is used to send a message to every host on a network. It's important to keep in mind that no host can be given the first or final address in a network or subnet. You ought to be able to assign IP addresses to 254 hosts at this point.
A subnet mask is a 32-bit integer that is produced by setting all host bits to 0 and all network bits to 1. The subnet mask does this by dividing the IP address into network and host addresses. The "0" address is always a network address, but the "255" address is always allocated to a broadcast address.
Hence, The subnet mask for a class C network would be 255.255.255.0, which indicates that 24 bits are being used for the network. This is shown in CIDR notation by adding a /24 after the IP address.
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write a cross-reference generator, which is a program that reads a text file, extracting word-like tokens (containing only letters, hyphens, and apostrophes; no numerals; must begin with a letter),
So here is the implementation, I first kept each line in a data vector of strings.
then, in order to record every token, I declared map mp, which logs the line number and word frequency for each word.
initially, each line was divided into words, and the frequency of each word was recorded on a map cur.
then every word in cur stored in mp with {line number and frequency of word in line}
i used some conditions just for printing which are not necessary but format is important.
What is Data vector?
Geographical data that is kept as a collection of points, lines, or polygons coupled with attribute data is known as vector data. At its most basic, vector data consists of a set of discrete points represented as coordinate pairs, each of which corresponds to a physical location in the outside world.
Code for the text file:
#include<bits/stdc++.h>
using namespace std;
int main(){
string line,s,temp,word,del=" ";
cin>>s;
ifstream fin;
vector<string>data;
fin.open(s);
while (fin){
getline(fin, line);
data.push_back(line);
}
fin.close();
map<string,vector<pair<int,int> > >mp;
for(int i=0;i<data.size();i++){
vector<string>out;
istringstream ss(data[i]);
do {
ss >> word;
out.push_back(word);
} while (ss);
map<string,int>cur;
for(int i=0;i<out.size();i++){
if(cur.find(out[i])==cur.end()){
cur[out[i]]=1;
}else{
cur[out[i]]+=1;
}
}
for(auto w:cur){
mp[w.first].push_back({i+1,w.second});
}
}
for(auto w:mp){
cout<<w.first<<":";
int n=w.second.size();
for(int i=0;i<n;i++){
cout<<w.second[i].first<<":"<<w.second[i].second;
if(i+1<n){
cout<<",";
}
if(i!=0&&i%8==0){
cout<<endl;
}
}
cout<<endl;
}
}
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bruce frequently works with a large number of files. he notices that the larger the files get, the longer it takes to access them. he suspects that this problem of time consumption in accessing those files is related to the files being spread over the disk. he needs to store the files contiguously on the disk. which utility should he use to achieve this task?
Disk defragmenter utility should he use to achieve this task.
What is disk defragmenter?
Defragmentation is a procedure that lowers the level of fragmentation in file systems maintenance. It accomplishes this by dividing the mass storage device's file storage contents into the fewest possible continuous sections (fragments, extents).
In an effort to prevent fragmentation from returning, it also makes use of compaction to expand the areas of open space. Because they are frequently accessed in succession, several defragmentation tools attempt to keep smaller files within a single directory together.
The benefits of defragmentation and how it applies to file systems on mechanical disk drives (hard disk drives, floppy disk drives and optical disk media). When accessing fragmented files, the read/write heads of the hard drive move more slowly over the disk than when accessing the entire contents of a non-fragmented file sequentially without moving the heads to look for additional fragments.
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