Consider a system for processing student test scores. The StudentAnswerSheet class is given and will be used as part of this system and contains a student's name and the student's answers for a multiple-choice test. Note the class attribute (key) and method (setKey) for the loading and storing the answer key. The answers are represented as "char" with an omitted answer being represented by the question mark '?'. These answers are stored in an array in which the position of the answer corresponds to the question number on the test (question numbers start at zero). A student's score on the test is computed by comparing the student's answers with the corresponding answers in the answer key for the test. One point is awarded for each correct answer and 1/4 point is deducted for each incorrect answer. Omitted answers do not change the student's score.
Write a class GradeStudents with a "main" method only that will read, using Scanner, a filename from the user (assumed to exist and in the correct format). Then read the comma-delimited input file containing the answer key in the first row and student names/answers in other rows, one per line.
First read and load the key. Then read, grade and output each student. Also determine the highest scoring student. If ties for highest scoring save all their names. You do not know how many questions are on the test until you read the first line of the file, which is always the key.
Given class:
public class StudentAnswerSheet {
private String name;
private char [] answers;
private static final char BLANK='?';
private static final String DEFAULT_NAME="Noname";
private static final double CORRECT_POINTS=1., BLANK_POINTS=0., WRONG_POINTS=-.25;
private static char [] key;
public static void setKey(char [] answerKey) {
if (answerKey==null || answerKey.length==0) {
key=new char[] {'?'};
}
else {
key=new char[answerKey.length];
for (int i=0;i key[i]=answerKey[i];
}
}
}
public StudentAnswerSheet (String n, char [] a) {
if (n==null) {
name=DEFAULT_NAME;
}
else {
name=n;
}
if (a!=null && a.length>0) {
answers=new char[a.length];
for (int i=0;i answers[i]=a[i];
}
}
else {
answers = new char[] {'?'};
}
}
public String getName() { return name; }
public double getScore () {
double total=0;
if (key!=null && key.length == answers.length) {
for (int i=0;i if (answers[i]==BLANK) {
total+=BLANK_POINTS;
}
else if (answers[i]==key[i]) {
total+=CORRECT_POINTS;
}
else {
total+=WRONG_POINTS;
}
}
}
else {
total=Double.NEGATIVE_INFINITY;
}
return total;
}
public String toString () {
String temp = name;
for (int i=0; i temp = temp + ' ' + answers[i];
}
return temp;
}
}
SAMPLE INPUT FILES:
answers1.txt
KEY,e,e,b,b,e,b,c,d,a,e
Matt,a,e,b,b,?,b,c,d,a,e
Cami,e,e,b,b,?,b,c,d,a,e
John,?,?,?,?,?,?,c,d,a,e
Mary,a,a,a,a,a,a,c,d,a,e
Fred,e,e,b,b,?,b,c,d,a,ea
answers2.txt
KEY,e,e,b,b,e,b,c,d,a,e,e,e,b,b,e,b,c,d,a,e
Matt,a,e,b,b,?,b,c,d,a,e,a,a,a,a,a,a,c,d,a,e
Cami,e,e,b,b,?,b,c,d,a,e,?,?,?,?,?,?,c,d,a,e
John,?,?,?,?,?,?,c,d,a,e,a,a,a,a,a,a,c,d,a,e
Mary,a,a,a,a,a,a,c,d,a,e,a,a,a,a,a,a,c,d,a,e
Fred,e,e,b,b,?,b,c,d,a,e,e,e,b,b,?,b,c,d,a,e

Below is the SQL code solution for the given problem in which we have to find the first name and last name of all customer contacts whose customer is located in the same state as the san francisco office.

Coding Part:

SELECT contactfirstname, contactlastname FROM Customers

WHERE state =

(

   SELECT DISTINCT state FROM Customers

   WHERE city = 'San Francisco'

);

What is SQL?

Structured query language (SQL) is indeed a programming language used to store and process information in relational databases. A relational database information is stored in tabular form, with rows and columns chosen to represent different data attributes and the numerous relationships between the data values.

SQL statements can be used to store, update, remove, search, and retrieve data from a database. SQL can also be used to maintain as well as optimize database performance.

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The LCD cutoff switch is permanently set to Off. A type of flat panel display known as an LCD (Liquid Crystal Display) operates primarily using liquid crystals.

The LCD cutoff switch on the laptop may be stuck in the off position. When the notebook lid is closed, the cutoff switch is used to turn off the backlight (and occasionally the actual video display). Check to see if the issue is really with the cutoff switch by pressing and releasing it. You can be certain that the issue is unrelated to the battery because it persists when you are hooked in.A flat-panel display or other electronically controlled optical device that makes use of polarizers and the light-modulating capabilities of liquid crystals is known as a liquid-crystal display. Liquid crystals don't directly emit light; instead, they create colour or monochromatic pictures using a backlight or reflector.

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Since the client needs a new firewall and intrusion prevention system installed, block employees from visiting certain types of websites, and needs a VPN, an internet appliance which you should install is: C. Unified Threat Management.

In Computer technology, information security can be defined as a preventive practice which is used to protect an information system (IS) that use, store or transmit information, from potential theft, attack, damage, or unauthorized access, especially through the use of a body of technology, frameworks, processes and network engineers.

Additionally, an access control (ACL) can be configured to only allow a certain amount of space for domains to be added to a blocklist through the use of an intrusion prevention system (IPS).

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Complete Question:

You are working as a junior security technician for a consulting firm. One of your clients is upgrading their network infrastructure. The client needs a new firewall and intrusion prevention system installed. They also want to be able to block employees from visiting certain types of websites. The client also needs a VPN.

Which of the following internet appliances should you install?

Spam gateway

Load balance

Unified Threat Management

Proxy server

Without respect to the client browser, internet, screen size, picture quality, window size, or orientation, a viewport is the area of a webpage that they can see at any given time.

Every part of the internet is accessible with a web browser. It pulls data from other websites and delivers it on your computer or mobile device. The content is transferred via the Web Send Protocol, which describes how text, images, and video are shared on the internet.

Using Chrome Many tech enthusiasts have evaluated the speed and other attributes of various web browsers. The majority of them agree that   Browser is the quickest online browser available, particularly for Windows users. On the crucial download speeds, which we'll go over later in this post, it received very high scores.

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The person who owns a business providing advice on commodity futures contracts is not required to register as an investment adviser in the state.

The question is referring to federal covered adviser which the futures contracts doesn't considered as securities. The Investment Advisers Act of 1940 explained that the definition of investment adviser is specifically excluded for a person whose securities advice is confined to securities guaranteed or issued by the Treasury.

So, from the Investment Advisers Act of 1940 we know that person is covered under NSMIA so that person is not subject to state regulation as an investment adviser.

You question is incomplete, but most probably your full question was

Under the Uniform Securities Act, a person who owns a business providing advice on commodity futures contracts as well as limiting its securities advice to those issued or guaranteed by the U.S. government is

not required to register as an investment adviser in the state

required to be a registered investment adviser in the state

required to be a registered investment adviser representative in the state

required to be a registered agent in the state

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Good possibilities for a primary key field in a customer table are Identification Number.

Why and which field in the Employee table should serve as the primary key? The primary key serves as a special code for the information and records in the table. The Social Security Number should be used as the primary key in the Employee table. Each individual allocated to the sheet has a different code.

Describe a candidate key. Another term for a candidate key is a collection of several properties (or a single feature) that aid in distinctly distinguishing the tuples present in a table or relation.

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Fully Associative: [0,15,2,8,14,15,26,2,0,19,7,10,8,14,11]

What is associative?

Associative is a type of thinking or learning that involves connecting or associating concepts or ideas to one another. It is a way of learning that involves the formation of mental links between different concepts and ideas, allowing a person to connect disparate concepts and ideas to one another in a meaningful way. Associative thinking can be used to help problem solve, explore new topics, and even to build new knowledge. It is an important part of the learning process and can help people gain a better understanding of the world around them.

Directly Mapped: [0], [15], [2], [8], [14], [15], [26], [2], [0], [19], [7], [10], [8], [14], [11]

2-way Set Associative: [0,15], [2,8], [14,15], [26,2], [0,19], [7,10], [8,14], [11]

4-way Set Associative: [0,15,2,8], [14,15,26,2], [0,19,7,10], [8,14,11]

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The life cycle of a program begins with describing a problem and making a plan. Then the PDLC requires coding, debugging, and testing. The correct option is a.

Phases of a program's lifetime are the steps it takes from conception to deployment and execution. The five stages of program development are analysis, design, coding, debugging, and testing, as well as implementing and maintaining application software. This process is known as the program development life cycle (PDLC).

Therefore, the correct option is a, coding, debugging, and testing.

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The question is incomplete. Your most probably complete question is given below:

a. coding, debugging, and testing.

b. process, input, output.

c. testing and documentation.

d. data and methods.

D: Software-as-a-Service is a cloud model whereby the customer is responsible for managing the fewest of the computing resources.

SaaS or Software-as-a-Service is an on-demand cloud service that provides access to ready-to-use, cloud-based application software. In SaaS storage, networking, middleware,  servers, and application software all are hosted and managed by the SaaS vendor.  In the SaaS cloud model, the users have the minimum level of control over the resources provided by the cloud vendor; they are only responsible to use the data they create.

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The code below is designed to print out numbers

import turtle

class Timer:

   def __init__(self):

       self.count = 0

       self.count_up()

   def count_up(self):

       print(self.count)

       self.count += 1

       turtle.ontimer(self.count_up, 1000)

Timer()

turtle.mainloop()

What is code?

Code is a set of instructions, usually written using a computer programming language, that tells a computer what tasks to perform. It is used to create software, websites, apps, and other forms of technology. Code is written using specific syntax, which is a set of rules that determine how the code should be written. It is then compiled, which is a process of turning the code into a format that can be read and understood by a computer. Code can be used to create digital products, automate processes, and control hardware. By writing code, developers can create powerful, complex, and useful products that can benefit people all over the world.

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Entity relationship diagrams provide a visual starting point for database design that can also be used to help determine information system requirements throughout an organization.

An ERD, also called an ER diagram or ER model, is used to describe data and how parts of the data interact. This is why ERDs are so important in database design and projects that require a clear structure for all data. Think of ERDs as a standardized way of drawing database diagrams. By applying this standard, teams can easily understand the structure of the database and the information collected by the system. An entity-relationship diagram provides a visual starting point for database design that can also be used to determine information system requirements for an entire organization.

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DSS Risk Management Framework contains standard and templates for the RMF assessment and authorization process.

The NIST SP 800-37 manual, "Applying the Risk Management Framework to Federal Information Systems: A Security Life Cycle Approach," which has been accessible for FISMA compliance since 2004, is most frequently linked to the Risk Management Framework (RMF). It was revised to version 2 in December 2018.

Every U.S. government agency must now adhere to and incorporate this into their operations; it was the outcome of a Joint Task Force Transformation Initiative Interagency Working Group. The RMF was most recently incorporated into DoD directives, and other organizations are now developing new advice for RMF compliance.

RMF outlines the procedure that must be followed to secure, authorize, and manage IT systems for all federal agencies. An RMF process cycle is defined.

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The BEST tool to use in order to create the needed report for Regarding some problems with his graphics while gaming, one of your clients has called DxDiag.

DxDiag.exe must be launched. This utility is intended to gather device information to aid in the investigation of DirectX sound and visual issues. When you ask for assistance, a support person can ask you for this information, or you might post it on a forum. In Windows, click Start and type "dxdiag" into the taskbar search box. From the list of results, pick dxdiag. presenting facts in a style that incorporates both text and visuals. Graphics are used, for instance, in computer-aided design, typesetting, and video games.

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The weakness of SUID flag that associated with its use is setting the SUID flag for process or application that owned by root user can make security hole.

SUID flag is a set of owner user ID to give permission a bit flag to can be applied and executed. This will give user to execute something with same permission as the owner, or in other word the SUID flag will make the user to have owner permission rather than have the alternate user permission.

Root user is a highest user that have all permission and privileges to read and write all file in Linux or Unix base OS system. This is a special user.

So, make SUID flag for anything that associated to root user can make security hole because the user can access all file in system like root user.

You question is incomplete, but it is a general answer for SUID flag weaknesses.

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A control structure modifies a program's usual sequential flow of execution. The outcome of a logical expression can be assigned to a bool variable but not an int variable.

In a computer program, variable are used to hold data that can be accessed and changed. They also give us the means to give data a name that is descriptive, which helps the reader and us understand our programs better. Variables can be thought of as storage spaces for data, which is a useful metaphor. Labeling and storing information in memory is their only function. You can use this information later on in your program.

One of the trickiest tasks in computer programming is naming variables, according to many experts. Consider your name choices carefully before naming variables. Make an effort to call your variable something that is both accurately descriptive and clear to a different reader.

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The statement for distributed database is a single logical database that is physically divided among computers at several sites on a network is true.

Distributed database is a single database but its stored in different location it can be in different computer but in same physical location it called as data center or in different physical location which it required connections from network.

Distributed database don't share any physical component. So basically distributed database have multiple of computer and it will improve performance at end-user worksite. For access, only system administrator can distribute the data across multiple computer.

You question is incomplete, but most probably your full question was

A distributed database is a single logical database that is physically divided among computers at several sites on a network.

True

False

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Additionally, spreadsheets can help you to quickly add up all your ingredient costs and track the total cost of the recipe. This makes it much easier to determine your profit margins and adjust the cost of ingredients to reach a desired price point.

What is spreadsheet?
A spreadsheet is a type of computer program used to store and manipulate data arranged in a tabular format. It is typically used to create tables of data and to perform calculations on the data. Spreadsheets contain cells, which can hold data, formulas, or references to other cells. Cells can also contain formatting information such as font type and size. Spreadsheets are used to store, analyze, and share data for many different applications such as business, finance, scientific research, and personal organization. Spreadsheets can be used to create charts and graphs. They can also be used to automate repetitive tasks, such as invoicing and payroll. Spreadsheets are used by people in all walks of life, from students to entrepreneurs to government agencies.

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Conditional Statement. A compound statement that meets the "if...then" condition is known as a conditional statement.

There are the following types of conditional statements in C.

If statement, If-Else statement, Nested If-else statement, If-Else If ladder, Switch statement.

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The center and radius of several of the instance variables in circle are initialized using the constructor's parameters.

A variable that is declared in a class but not within constructors, methods, or blocks is referred to as an instance variable. When an object is generated, instance variables are created that are available to all of the constructors, methods, and blocks in the class.

A class instance-specific variable is called an instance variable. For instance, each new instance of a class object that you create will have a copy of the instance variables. The variables that are specified inside a class but outside of any methods are known as instance variables.

The many access modifiers available in Java, such as default, private, public, and protected, can be used to declare instance variables.

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The TOTAL keyword in a total row is used if a calculated field is also required in an aggregate query.

A calculated field is a field in a database, spreadsheet, or business intelligence tool that derives its value by performing a calculation on the values of other fields. It is a virtual field that does not exist in the database itself but is instead derived from other existing fields. Calculated fields can be used to perform a variety of calculations, from simple arithmetic functions to complex statistical analyses.

An aggregate query is a type of query that is used to compute aggregate values from a set of data records, such as sums, averages, and counts. Aggregate queries are commonly used in database management systems to quickly retrieve data from large datasets.

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802.11ac Wi-Fi standards should the replacement device support to BEST fulfill the customer's needs.

The fifth era of WiFi is addressed by the 802.11ac norm, otherwise called WiFi 5 and Gigabit WiFi. It's a step up from WiFi 4 or IEEE 802.11n. WiFi 5 was developed to provide improved speeds, WiFi performance, and range in order to keep up with the growing number of users, devices, and data usage. The past adaptations of Wi-Fi are actually consumed by each new norm. Depending on client hardware and network conditions, 802.11ac works with 802.11n and any previous 802 standard when necessary. This compatibility will also continue in the future: Wi-Fi 6 will work just like the previous version and work with 802.11ac. 802.11ac is utilized in most of portable innovation worked after 2015. Both 802.11ax and 802.11ac are supported by the majority of recent smartphones produced after 2019.

Despite its widespread availability, 802.11ac was not widely available until 2015. If you are using a more recent switch that was manufactured prior to 2015, you are limited to the more recent and slower Wi-Fi guidelines at this time.

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The operating activities portion of the statement of cash flows includes non-cash expenses in addition to net income when using the indirect method.

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To write a program that inputs the number of prisoners and the number of words and calculates where you should stand, check the given code.

The source code of a computer program is what is visible to humans. Computers can only run the native machine instructions that came with them, so source code needs to be run by another program.

The compiler of the language can therefore convert source code to machine instructions. An assembler is used to translate assembly language programs. An executable is the term used to describe the final file. The language's interpreter can also run source code as an alternative.

In the event that the executable is asked to be run, the operating system loads it into memory and launches a process. In order to fetch, decode, and then execute each machine instruction, the central processing unit will soon switch to this process.

↓↓//CODE//↓↓

#include <iostream>

using namespace std;

struct Node

{

int prisonerNo;

struct Node *next;

};

class CirList

{

Node *first,*last;

public:

CirList()

{

first=NULL;

last=NULL;

}

void create(int n);

int survivor(int n,int words);  

};

//Create a circular link list

void CirList::create(int n)

{

Node *temp;

int i=1;

while(i<=n)

{temp=new Node;

temp->prisonerNo=i;

temp->next=NULL;

if(first==NULL)

{

first=temp;

last=first;

}

else

{

last->next=temp;

last=temp;

}

i++;

}

last->next=first;

}

// calculating the correct position of surviver by deleting nodes at every number of words

int CirList::survivor(int n,int words)

{

Node *p, *q;

int i;

q = p = first;

while (p->next != p)

{

if(words==1) //When number of words are 1

{ q=q->next;

last->next=q;

delete p;

p=q;

}

else

{  

for (i = 0; i < words-1; i++) //When number of words are more than 1

{

q = p;

p = p->next;

}

q->next = p->next;

delete p;

p = q->next;

}

}

first = p;

cout<<endl<<"With "<<n<<" prisoners and "<<words<<" words, I'd like to be number "<<first->prisonerNo<<endl;

}

int main()

{

CirList list;

int skip,n,words;

cout<<"Enter the number of prisoners:";

cin>>n;

list.create(n); //calling create() function to create circular link list

cout<<"Enter the number of words:";

cin>>words;

list.survivor(n,words); //calling function to know correct position of surviver

return 1;

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Design theme is the term is best described as the choice of colors, fonts, and formatting to give your presentation an overall look and feel.

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Certain sorts of addresses are not deliverable by some carriers. Due to manufacturer constraints, government import/export regulations, or warranty concerns, we are unable to ship to your region.

You may find out if a product can be shipped to the address of your choice via the product page by using our address widget, which is located at the top of every Amazon page and on the Amazon app. Every time you shop with us, please make sure you have your intended address chosen.

You might not be able to ship to an address for a few reasons.

For the following reasons, you might not be able to ship to an address:

The item's dimensions go over the shipment restriction. A maximum of 108 inches in length or width and 70 pounds in weight are required for the package.

Due to its size or unusual shape, the item cannot be shipped.

The product is a restricted one.

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#include<studio.h> the main () {num1, num2, int; &num1,&num1; scanf("%d%d", printf ('%d', 'num1*num1'); deliver 0;}.

Using the formula for the sum of all natural numbers as well as arithmetic progression, it is simple to calculate the sum of even integers from 2 to infinity.

A Scanner object, reader is created in the Java program to read a number from the user's keyboard. After that, the entered number is kept in the variable num.

Now, we use the % operator to calculate the remainder of num and determine whether or not it is divisible by two to determine if it is even or odd.

Java's if...else statement is used for this. If num is divisible by 2, "num is even" is printed. If anything, we print num is weird.

In Java, the ternary operator can be used to determine whether num is even or odd.

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Given an integer vector of size NUM_ELEMENTS, the option that XXX, YYY, and ZZZ will count the number of times the value 4 is in the vector is option D:  cntFours = 0; / i < NUM_ELEMENTS; / ++cntFours;

The atomic vector R Integer Vector has the "integer" vector type. A vector of integers can only contain NA or integers as entries. This article will demonstrate how to generate an integer vector in R.

Therefore, one can say that a vector in R can be rounded using the floor function, the vector's values can be subtracted from it, and the result can then be checked to see if it is zero or not. The value is an integer if the output is zero; otherwise, it is not.

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See full question below

Given an integer vector of size NUM_ELEMENTS, which XXX, YYY, and ZZZ will count the number of times the value 4 is in the vector? Choices are in the form XXX / YYY / ZZZ.

vector<int> myVect(NUM_ELEMENTS);int cntFours;XXXfor (i = 0; YYY; ++i) {if (myVals.at(i) == 4) {ZZZ;}}

cntFours = myVect.at(0); / i > myVect.size(); / cntFours = myVect.at(i);

cntFours = myVect.at(1); / i < myVect.size(); / cntFours = myVect.at(i) + 1;

cntFours = 1; / i > NUM_ELEMENTS; / cntFours = cntFours + 1;

cntFours = 0; / i < NUM_ELEMENTS; / ++cntFours;

In contrast, initialising a 2D array just requires two stacked loops. 6

A figure that is three-dimensional if it has measurements in one or more different directions, including height, length, or width. Sizes include length, width, and height.

Each of the following objects has one dimension: a line, a square, and a cube (3D). We travel across space in all directions—left, right, up, down. There are three dimensions in everything around us, including the buildings we live in and the items we use on a daily basis.

An additional dimension of space would therefore be considered the fifth dimension. In the 1920s, scientists Theodor Kaluza and Oskar Klein each separately suggested the existence of such a dimension. Einstein's general theory of relativity, which demonstrated how mass warps space-time in four dimensions, served as a source of inspiration.

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A 2D array may be initialized with simply two stacked loops, though. 6

A three-dimensional figure is one that contains dimensions in one or more separate planes, such as height, length, or breadth. Height, breadth, and length are examples of sizes.

The line, the square, and the cube are all one-dimensional objects (3D). We move through space in all four axes: left, right, up, and down. Everything around us, including the homes we live in and the objects we use every day, has three dimensions.

Therefore, the fifth dimension of space would be an extra dimension. Theodor Kaluza and Oskar Klein, two physicists, independently proposed the possibility of such a dimension in the 1920s. Generalized by Einstein

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Azure SQL Database allows you to utilize a powerful database system without having to manage the server, database security, performance, and other administrative tasks.

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The most frequent reason for a computer to go down unexpectedly is overheating.

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Answer: Use a known good spare to swap with the existing power supply.

Explanation: Known good spares are sets of components that you know are in proper functioning order. If you suspect a problem with a component, first try to swap it with a known good component. If the problem is not resolved, you can then continue troubleshooting other possible issues.