Online Access Free CRT-600 Practice Test

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

A developer has the function, shown below, that is called when a page loads.

Where can the developer see the log statement after loading the page in the browser?

• A.On the browser JavaScript console
• B.On the terminal console running the web server
• C.In the browser performance tools log
• D.On the webpage console log

Refer to the code below:
for(let number =2 ; number <= 5 ; number += 1 ) {
// insert code statement here
}
The developer needs to insert a code statement in the location shown. The code statement has these requirements:
1. Does require an import
2. Logs an error when the boolean statement evaluates to false
3. Works in both the browser and Node.js
Which meet the requirements?

• A.console.debug(number % 2 === 0);
• B.console.error(number % 2 === 0);
• C.assert (number % 2 === 0);
• D.console.assert(number % 2 === 0);

A developer wants to use a module called DataPrettyPrint. This module exports one default function called printDate ().
How can a developer import and use the printDate() function?
A)

B)

C)

D)

• A.Option B
• B.Option A
• C.Option C
• D.Option D

developer wants to use a module named universalContainersLib and them call functions from it.
How should a developer import every function from the module and then call the fuctions foo and bar ?

• A.import * from '/path/universalContaineraLib.js';
  universalContainersLib.foo();
  universalContainersLib.bar();
• B.import (foo, bar) from '/path/universalContainersLib.js';
  foo();
  bar();
• C.import * ad lib from '/path/universalContainersLib.js';
  lib.foo();
  lib.bar();
• D.import all from '/path/universalContaineraLib.js';
  universalContainersLib.foo();
  universalContainersLib.bar();