Info 3330 Exam 1

Which of the following is FALSE regarding why Node.js is so fast.

Node.js is written in RUST

Which of the following is the Bootstrap default form layout?

Stacked form

Which of the following is FALSE about the jquery.ajax() method.

The method runs synchronously.

Which of the following is TRUE about Firestore references.

You CAN create a reference whether or not data exists in the document.

Which of the following is FALSE about JavaScript?

JavaScript is statically typed.

Which of the following is NOT one of jQuery's core competencies?

MVC

A document within a collection is NOT required to have the same keys as other documents within the same collection. T or F

True

The library jQuery can be included in an HTML page by using a script tag which points to a Content Delivery Network (CDN) or the locally downloaded file. T or F

True

The web browser builds both a document object model (DOM) AND a CSS object model (CSSOM) and then combines them to create a render tree. T or F

True

Which of the following statements BEST describes a web framework?

Web frameworks are design frameworks

Which of the following is NOT a type of node on the Document Object Model (DOM)?

CSS

What is the difference between a collection reference and a document reference.

Collection references are used for querying, while document references are used for reading and writing

The series of events that must take place to display the initial view of a web page is called which of the following?

Critical Rendering Path

The Document Object Model (DOM) arranges objects in a data structure called a dictionary. T or F

False

The Document Object Model (DOM) is part of JavaScript. T or F

False

The number of Bootstrap grid columns available varies depending on the size of the device. T or F

False

You can dynamically select elements from the DOM, but you CANNOT change the elements using jQuery. T or F

False

Which of the following is NOT a way jQuery can select HTML elements from the Document Object Model (DOM)?

Selecting nodes by magic reference

Cloud Firestore is a document-oriented database. T or F

True

In JavaScript a module is found in a single JS file, while a package is a collection of modules. T or F

True

In JavaScript, the let keyword, allows you to create a variable with block scope, while the var keyword ONLY allows you to create function scope. T or F

True

Node.js is built on Google's V8 JavaScript runtime. T or F

True

Which of the following packages is the name of the "fast unopinionated, minimalist" web framework we introduced in the slides and will use in Assignment 6?

Express

Which of the following is FALSE about declarations, expressions, and statements.

Expressions must print something to the screen

Bootstrap is a design framework and therefore does NOT include any JavaScript. T or F

False

Bootstrap was developed at Snapchat. T or F

False

Cloud Firestore supports rich schemas. T or F

False

JavaScript is a type of Java programming. T or F

False

Which of the following is NOT a JavaScript primitive data type.

int

Which of the following is the name of the file that is created when you install third-party libraries using Node Package Manager (NPM)?

package.json