Building the user interface by using html 5[text graphics and media]

1. The variable named “ctx” is the context of an HTML5 canvas object. What does the following code fragment draw? ctx.arc(x, y, r, 0, Math.PI, true);

a semi circle at the given point

a square at the given point

a line from one point to another

2. You are creating a page by using HTML5. You add script tags to the page. You need to use JavaScript to access an element by id and add a class to the element. Which property or attribute should you use?

the tagName property

the className property

the style property

the class attribute

3. Which code fragment sets up a timer that calls a function named “adjust” every second?

setTimeout(adjust, 1000);

setInterval(adjust, 1000);

setInterval(adjust, 1);

setTimeout(adjust, 1);

4. What does the following HTML5 code fragment do?
<video controls>
<source src="myVacation.avi" type="video/avi">
<source src="myVacation.ogg" type+"video/ogg">
</video>

It plays the myVacation.avi video if the browser supports it; otherwise, plays the myVacation.ogg video if the browser supports it.

It plays two videos: first myVacation.avi, and then myVacation.ogg.

It plays both videos simultaneously, myVacation.avi and myVacation.ogg.

It prompts the user to choose which format of the myVacation video it should play, .avi or .ogg.

5. Which are two features of SVG? Select "Yes" for your answer. (Choose two.)

uses high performance pixel-based graphics

can be modified by using CSS

uses high performance raster-based graphics

can be modified by using JavaScript

6. What does “V” stand for in the file type SVG?

Vertical

Video

Vector

Variable

7. Which attribute prefills a default value for an input element in HTML5?

name

placeholder

autocomplete

required

8. Which two outcomes will this code fragment accomplish? Each correct answer presents a complete solution. (Choose two.)
<audio src="happy.wav' controls="controls">
Hello World
</audio>

On pre-HTML5 browsers, the happy.wav file will not play, and instead Hello World will be displayed.

On an HTML5 browser that supports .wav files, the happy.wav file will be played and Hello World will be hidden.

On an HTML5 browser that supports .wav files, the happy.wav file will be played and Hello World will be displayed.

on pre-HTMLS browsers, the happy.wav file will play and Hello World will be hidden.

9. Which three technologies does HTML5 encompass? (Choose three.)

CSS

ASP.NET

JavaScript

HTML

10. You create an interface for a touch-enabled application. You discover that some of the input buttons do not trigger when you tap the screen. You need to identify the cause of the problem. What are two possible causes? (Choose two.)

The input areas overlap with other input areas.

The touch screen is not initialized.

The input areas are using event handlers to detect input.

The defined input areas are not large enough

11. An HTML5 application can run without an Internet connection if:

the application is converted to an executable.

the .NET Framework is installed on the client computer.

the application specifies the use of a client-side SQL database.

the application specifies the use of an ApplicationCache interface.

12. You add script tags to an HTML page. You need to update the text value within a specific HTML element. You access the HTML element by id. What should you do next?

Use the createTextNode method.

Use the appendChild method.

Set the new text value with the setAttribute method.

Use the firstChild property and set the new text value with the nodeValue property.

13. Which two semantic tags are used to define layouts in HTML5? (Choose two.)

footer

head

progress

section

14. In HTML5, the autofocus attribute:

defines the cursor location when a form is first accessed.

controls the movement between fields in a form.

adds a default value to the field in a form.

enables one field and disables all others.

15. Which code fragment will display an image file while the video is downloading?

video width="740" height="416" src="fireworks.jpg"

video width="740" height="416" poster="fireworks.jpg"

video width="740" height="416" autoplay="autoplay"

video width="740" height="416" preload="fireworks.jpg"

16. Which term describes the canvas API?

xml-based

vector-based

retained-mode

immediate-mode

17. Which code fragment prepares the HTML5 application to be used offline?

!DOCTYPE html

html manifest="app.appache"

html xmlns="http://www.w3.org/1999/xhtml"

html lang="en"

18. You work as a senior developer at ABC.com. The ABC.com network consists of a single domain named ABC.com. ABC.com makes use of HTML and CSS3 in their development process. You have been instructed to alter the text value of an HTML element. You are planning to make use of the innerHTML property. Which of the following is TRUE with regards to the innerHTML property? (Choose all that apply.)

It is valid for both block and inline elements.

It is inaccessible at run time as the document is being parsed

When the innerHTML property is set, the given string completely replaces the existing content of the object.

When using innerHTML to insert script, you must exclude the defer attribute from the script element

19. You work as a senior developer at ABC.com. The ABC.com network consists of a single domain named ABC.com. You are running a training exercise for junior developers. You are currently discussing an HTML5 input attribute that provides a way to set default text until focus is placed in an element. Which of the following is the input attribute being discussed?

The required HTML5 input attribute

The placeholder HTML5 input attribute.

The draft HTML5 input attribute.

20. You work as a senior developer at ABC.com. The ABC.com network consists of a single domain named ABC.com. You are running a training exercise for junior developers. You are currently discussing an HTML5 tag that identifies an inline text container. Which of the following is the tag being discussed?

The source tag.

The samp tag.

The span tag.

The style tag.

21. You work as a senior developer at ABC.com. The ABC.com network consists of a single domain named ABC.com. ABC.com makes use of HTML5 and CSS3 in their development process. You are running a training exercise for junior developers. You are currently discussing Scalable Vector Graphics (SVG). You have reached the section that deals with presentation elements and their corresponding attributes and DOM interfaces. Which of the following is included in this section?

Barriers.

One dimensional graphics.

Basic shapes.

Code

22. You work as a senior developer at ABC.com. The ABC.com network consists of a single domain named ABC.com. You are running a training exercise for junior developers. You are currently discussing Scalable Vector Graphics (SVG). Which of the following is TRUE with regards to SVG? (Choose 2 that apply.)

It is a powerful way to add high-fidelity, easily scalable visuals to a website via a plug-in or separate viewer.

It is a powerful way to add high-fidelity, easily scalable visuals to a website without the need for a plug-in or separate viewer.

It is a language for describing one-dimensional graphics in XML.

It is a language for describing two-dimensional graphics in XML.

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