2023年07月 Salesforce CRT-600認定リアル2023年最新の模擬試験合格させます [Q59-Q79]

2023年07月 Salesforce CRT-600認定リアル2023年最新の模擬試験合格させます

CRT-600試験問題と有効なCRT-600問題集でPDF

Salesforce CRT-600試験は、105分以内に完了する必要のある60問の多肢選択問題から成り立っています。試験は、Apex、Visualforce、Lightning Components、JavaScriptなどのWeb開発技術を含むさまざまなトピックに関する候補者の知識をテストします。試験の合格基準は65％であり、試験料は200ドルです。

質問 # 59
Which statement parses successfully?

A. JSON. parse (""foo"');
B. JSON.parse ("foo");
C. JSON.parse ("foo");
D. JSON.parse (""foo'");

正解：A

質問 # 60
Refer to the code below:
Const myFunction = arr => {
Return arr.reduce((result, current) =>{
Return result = current;
}, 10};
}
What is the output of this function when called with an empty array ?

A. Throws an error
B. Returns 0
C. Returns 10
D. Returns NaN

正解：C

質問 # 61
Which three actions can be using the JavaScript browser console?
Choose 3 answers:

A. Run code that is not related to page.
B. Display a report showing the performance of a page.
C. view , change, and debug the JavaScript code of the page.
D. View and change security cookies.
E. View and change DOM the page.

正解：A、C、E

質問 # 62
A developer is setting up a Node,js server and is creating a script at the root of the source code, index,js, that will start the server when executed. The developer declares a variable that needs the folder location that the code executes from.
Which global variable can be used in the script?

A. _dirname
B. window.location
C. this.path
D. _filename

正解：D

質問 # 63
Refer to the code below:

Line 05 causes an error.
What are the values of greeting and salutation once code completes?

A. Greeting is Hello and salutation is Hello, Hello.
B. Greeting is Goodbye and salutation is Hello, Hello.
C. Greeting is Hello and salutation is I say hello.
D. Greeting is Goodbye and salutation is I say Hello.

正解：A

質問 # 64
A team that works on a big project uses npm to deal with projects dependencies.
A developer added a dependency does not get downloaded when they execute npm install.
Which two reasons could be possible explanations for this?
Choose 2 answers

A. The developer added the dependency as a dev dependency, and NODE_ENV is set to production.
B. The developer missed the option --add when adding the dependency.
C. The developer missed the option --save when adding the dependency.
D. The developer added the dependency as a dev dependency, and
NODE_ENV
Is set to production.

正解：A、C、D

質問 # 65
Given the code below:
const copy = JSON.stringify([ new String(' false '), new Bollean( false ), undefined ]); What is the value of copy?

A. -- [ \"false\" ,false, null ]--
B. -- [ false, { } ]--
C. -- [ \"false\" , { } ]--
D. -- [ \"false\" , false, undefined ]--

正解：A

質問 # 66
Refer to the code below:
Let str = 'javascript';
Str[0] = 'J';
Str[4] = 'S';
After changing the string index values, the value of str is 'javascript'. What is the reason for this value:

A. Non-primitive values are immutable.
B. Primitive values are immutable.
C. Primitive values are mutable.
D. Non-primitive values are mutable.

正解：B

質問 # 67
Given the code below:
Setcurrent URL ();
console.log('The current URL is: ' +url );
function setCurrentUrl() {
Url = window.location.href:
What happens when the code executes?

A. The url variable has local scope and line 02 executes correctly.
B. The url variable has global scope and line 02 executes correctly.
C. The url variable has global scope and line 02 throws an error.
D. The url variable has local scope and line 02 throws an error.

正解：B

質問 # 68
Refer the following code

what is the value of array after code executes?

A. [ 1, 2, 3, 5 ]
B. [ 1, 2, 3, 4 ]

正解：A

質問 # 69
developer uses the code below to format a date.

After executing, what is the value of formattedDate?

A. October 05, 2020
B. June 10, 2020
C. November 05, 2020
D. May 10, 2020

正解：B

質問 # 70
Refer to the following code:
function test (val) {
If (val === undefined) {
return 'Undefined values!' ;
}
if (val === null) {
return 'Null value! ';
}
return val;
}
Let x;
test(x);
What is returned by the function call on line 13?

A. 'Null value!'
B. Undefined
C. Line 13 throws an error.
D. 'Undefined values!'

正解：B

質問 # 71
Refer to the code below:
Async funct on functionUnderTest(isOK) {
If (isOK) return 'OK' ;
Throw new Error('not OK');
)
Which assertion accurately tests the above code?

A. Console.assert (await functionUnderTest(true), ' OK ')
B. Console.assert (await functionUnderTest(true), ' not OK ')
C. Console.assert (await functionUnderTest(true), 'OK')
D. Console.assert (await functionUnderTest(true), ' not OK ')

正解：C

質問 # 72
Refer to code below:
Const objBook = {
Title: 'Javascript',
};
Object.preventExtensions(objBook);
Const newObjBook = objBook;
newObjectBook.author = 'Robert';
What are the values of objBook and newObjBook respectively ?

A. {author: "Robert", title: "javaScript}
{author: "Robert", title: "javaScript}
B. {author: "Robert", title: "javaScript}
Undefined
C. {author: "Robert"}
{author: "Robert", title: "javaScript}
D. [title: "javaScript"] [title: "javaScript"]

正解：D

質問 # 73
Universal Container(UC) just launched a new landing page, but users complain that the website is slow. A developer found some functions that cause this problem. To verify this, the developer decides to do everything and log the time each of these three suspicious functions consumes.
console.time('Performance');
maybeAHeavyFunction();
thisCouldTakeTooLong();
orMaybeThisOne();
console.endTime('Performance');
Which function can the developer use to obtain the time spent by every one of the three functions?

A. console.timeStamp()
B. console.trace()
C. console.getTime()
D. console.timeLog()

正解：D

質問 # 74
Universal Containers (UC) notices that its application that allows users to search for accounts makes a network request each time a key is pressed. This results in too many requests for the server to handle.
* Address this problem, UC decides to implement a debounce function on string change handler.
What are three key steps to implement this debounce function?
Choose 3 answers:

A. Store the timeId of the setTimeout last enqueued by the search string change handle.
B. When the search string changes, enqueue the request within a setTimeout.
C. Ensure that the network request has the property debounce set to true.
D. If there is an existing setTimeout and the search string change, allow the existing setTimeout to finish, and do not enqueue a new setTimeout.
E. If there is an existing setTimeout and the search string changes, cancel the existing setTimeout using the persisted timerId and replace it with a new setTimeout.

正解：B、C、D

質問 # 75
Which two console logs output NaN?
Choose 2 answers | |

A. console.log(parseInt ' ("two')) ;
B. console.loeg(10 / 'five');
C. console.log(10 / Number('5) ) ;
D. console.log(10 / 0);

正解：A、B

質問 # 76
Refer to the code below:
Let inArray =[ [ 1, 2 ] , [ 3, 4, 5 ] ];
Which two statements result in the array [1, 2, 3, 4, 5] ?
Choose 2 answers

A. [ ]. Concat.apply ([ ], inArray);
B. [ ]. concat.apply(inArray, [ ]);
C. [ ]. Concat (... inArray);
D. [ ]. concat ( [ ....inArray ] );

正解：A、C

質問 # 77
There is a new requirement for a developer to implement a currPrice method that will return the current price of the item or sales..

What is the output when executing the code above

A. 50
80
72
B. 50
80
50
72
C. 50
Uncaught TypeError: saleItem,desrcription is not a function
50
80
D. 50
80
Uncaught Reference Error:this,discount is undefined
72

正解：B

質問 # 78
Given the JavaScript below:

Which code should replace the placeholder comment on line 06 to hide accounts that do not match the search string?