CET_TARDE - MTA HTML5 Application Development Fundamentals 2

Respuesta

value
class selector
id selector
property
declaration

Pregunta 7

Pregunta

In CSS, the flow-into property deposits:

Respuesta

the flow into the content.
the regions into a flow.
the flow into the regions.
content into the flow.

Pregunta 8

Pregunta

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);

Respuesta

a circle at the given point
a square at the given point
a semi-circle at the given point
a line from one point to another

Pregunta 9

Pregunta

Which three properties can be used with the TouchEvent object in the Safari touch API? (Choose three.)

Respuesta

offsetTop
clientHeight
scale
touches
rotation

Pregunta 10

Pregunta

You create an instance named "ac" of an accelerometer object. Which code fragment will retrieve a single update?

Respuesta

ac = navigator.accelerometer ;
ac.getAcceleration (accelerometerFunction) ;
ac.watchAcceleration (accelerometerFunction) ;
ac.clearWatch (watchid) ;

Pregunta 11

Pregunta

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

Respuesta

CSS
ASP.NET
C#
JavaScript
HTML

Pregunta 12

Pregunta

Which CSS property defines which sides of an element where other floating elements are not allowed?

Respuesta

float
position
display
clear

Pregunta 13

Pregunta

What is the default value of the CSS position property?

Respuesta

fixed
absolute
static
relative

Pregunta 14

Pregunta

Which CSS3 code fragment styles an H2 element only if it is a direct child of a DIV element?

Image:

Respuesta

Option A
Option B
Option C
Option D

Pregunta 15

Pregunta

You write the following code to create a page. (Line numbers are included for reference only.)

Image:

Respuesta

Option A
Option B
Option C
Option D

Pregunta 16

Pregunta

Which CSS code fragment centers an image horizontally?

Image:

Respuesta

Option A
Option B
Option C
Option D

Pregunta 17

Pregunta

Your code includes the following fragment: <input type="text" name="text1" id="myText" /> You need to add code that will retrieve the contents of the INPUT element. Which JavaScript code fragment will accomplish this?

Respuesta

vartxtContents =document.getElementById('text1').value;
vartxtContents = document.getEIementyById('myText').value;
vartxtContents =document.getElementById('text1');
vartxtContents = document.getElementById('myText');

Pregunta 18

Pregunta

The data in a specific HTML5 local storage database can be accessed from:

Respuesta

Different browsers on the same device.
Different browsers on different devices.
The same browser on different devices.
The same browser on the same device.

Pregunta 19

Pregunta

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?

Respuesta

the tagName property
the className property
the style property
the class attribute

Pregunta 20

Pregunta

Which code fragment sets up a timer that calls a function named "adjust" every second?

Respuesta

setTimeout(adjust, 1000);
setInterval(adjust, 1000);
setInterval(adjust, 1);
setTimeout(adjust, 1);

Pregunta 21

Pregunta

Which two HTML properties can JavaScript access to change the text value of an HTML element? (Choose two.)

Respuesta

innerHTML
nodeType
title
nodeValue

Pregunta 22

Pregunta

Web Workers define an API for:

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Publishing frequently updated works for syndication.
Running scripts in the background,
Bi-directional, full-duplex communications over a single TCP socket.
Distributing load across multiple web servers.

Pregunta 23

Pregunta

Which two are WebSocket events? (Choose two.)

Respuesta

onconnect
onmessage
ondatareceived
onopen

Pregunta 24

Pregunta

You create an interface for a touch-enabled application. During testing you discover that some touches trigger multiple input areas. Which situation will cause this problem?

Respuesta

The touch screen is not calibrated.
The input areas are too close together.
The defined input areas are too small.
The input areas are semi-transparent.

Pregunta 25

Pregunta

An HTML5 application can be used without going through a manufacturer's approval process if:

Respuesta

the browser on the device supports HTML5.
the manufacturer has unlocked the device's SIM card.
the application has been compiled.
the developer has the correct application ID.

Pregunta 26

Pregunta

Which item specifies resources for an offline HTML5 application?

Respuesta

a CSS style sheet
an HTML5 file
a JavaScript file
a cache manifest file

Pregunta 27

Pregunta

In HTML5, which two objects in the Web Storage specification are used to store data on the client? (Choose two.)

Respuesta

websocket
navigator
cache
sessionStorage
localStorage

Pregunta 28

Pregunta

Which two code fragments represent ways to use HTML5 to save values to session storage? (Choose two.)

Image:

Respuesta

Option A
Option B
Option C
Option D

Pregunta 29

Pregunta

When you are testing a touch interface, which two gestures can you simulate by using a mouse? (Choose two.)

Respuesta

tap
pinch
flick
rotate

Pregunta 30

Pregunta

Which three event attributes are used with the CAPTION element in HTML5? (Choose three.)

Respuesta

onmouseover
ondblclick
onkeydown
onconnect
onabort

Pregunta 31

Pregunta

Which HTML5 tag defines superscript text?

Respuesta

< small >
<script>
<sup>
<sub>

Pregunta 32

Pregunta

What does the following HTML5 code fragment do?

Image:

Respuesta

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.

Pregunta 33

Pregunta

Which are two features of SVG? (Choose two.)

Respuesta

uses high performance pixel-based graphics
can be modified by using CSS
uses high performance raster-based graphics
can be modified by using JavaScript

Pregunta 34

Pregunta

Which HTML5 tag is used to display text with a fixed-width font and preserves both spaces and line breaks?

Respuesta

<area>
<hr>
<pre>
<strong>

Pregunta 35

Pregunta

What does "V" stand for in the file type SVG?

Respuesta

Video
Vertical
Vector
Variable

Pregunta 36

Pregunta

Which tag is used to create a drop-down list in HTML5?

Respuesta

<ul>
<select>
<datalist>
<dd>

Pregunta 37

Pregunta

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

Respuesta

name
placeholder
autocomplete
required

Pregunta 38

Pregunta

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>

Respuesta

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.

Pregunta 39

Pregunta

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.)

Respuesta

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.

Pregunta 40

Pregunta

An HTML5 application can run without an Internet connection if:

Respuesta

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.

Pregunta 41

Pregunta

On a Windows touch device, which gesture serves the same purpose as a right-click of the mouse?

Respuesta

swipe
pinch
tap
hold

Pregunta 42

Pregunta

Which three components define the URL used for localStorage data in HTML5? (Choose three.)

Respuesta

scheme
user credentials
hostname
unique port
query

Pregunta 43

Pregunta

Drag and Drop Question Match the JavaScript objects to the corresponding characteristics or methods. (To answer, drag the appropriate JavaScript object from the column on the left to its characteristic or method on the right. Each JavaScript object may be used once, more than once, or not at all. Each correct match is worth one point.)

Image:

Respuesta

history
localStorage
document
sessionStorage
location

Pregunta 44

Pregunta

Which two code segments declare JavaScript functions? (Choose two.)

Respuesta

varfunct= (a);
function Foo(a){ ... }
var a=new Foo();
Foo=function(a){ ...}

Pregunta 45

Pregunta

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?

Respuesta

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.

Pregunta 46

Pregunta

You create an instance named "location" of a geolocation object. Which code fragment will initiate periodic updates of a device's geographic location?

Respuesta

location = navigator.geolocation;
location.watchPosition(showLocation) ;
location.getCurrentPosition(showLocation);
location.clearNatch(watchid);

Pregunta 47

Pregunta

You need to use JavaScript to access the "section1" element in the following code fragment: <div id='section1'> Which method should you use?

Respuesta

getElementsByTagName
getElementById
getElementsByName
getElementsByClassName

Pregunta 48

Pregunta

Drag and Drop Question Match the HTML5 technologies to the corresponding descriptions. (To answer, drag the appropriate technology from the column on the left to its description on the right. Each technology may be used once, more than once, or not at all. Each correct match is worth one point.)

Image:

Respuesta

XML
CSS
HTML5
JavaScript
SOAP

Pregunta 49

Pregunta

Drag and Drop Question Match the HTML5 input attributes to the corresponding descriptions. (To answer, drag the appropriate attribute from the column on the left to its description on the right. Each attribute may be used once, more than once, or not at all. Each correct match is worth one point.)

Image:

Respuesta

pattern
placeholder
required
multiple
maxlength

Pregunta 50

Pregunta

Drag and Drop Question Match the touch events to the corresponding actions. (To answer, drag the appropriate touch event from the column on the left to its action on the right. Each touch event may be used once, more than once, or not at all. Each correct match is worth one point.)

Image:

Respuesta

touchcancel
touchstart
touchend
touchmove

Pregunta 51

Pregunta

Which three statements describe cookies? (Choose three.)

Respuesta

They can be created, read, and erased using the document.cookie property.
They are limited in size to 5 MB.
They are deleted automatically when the session ends.
They can be used only by pages on the domain where they were set.
They contain the data in the form of a name=value pair.

Pregunta 52

Pregunta

Which two terms represent interfaces in the File API? (Choose two.)

Respuesta

Font
Blob
Keygen
FileList

Pregunta 53

Pregunta

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

Respuesta

<footer>
<head>
<progress:
<section>

Pregunta 54

Pregunta

Which two HTML5 tags format text content only? (Choose two.)

Respuesta

<map>
<strong>
<canvas>
<em>

Pregunta 55

Pregunta

You are developing an HTML5 page. The page includes the following code. The inner paragraph must be exactly 15 pixels from the top left corner of the outer paragraph. You set the left style for the inner paragraph to the appropriate value. You need to set the position property of the inner paragraph. Which value should you use? <p id="outer" style="position:relative"> <p id ="inner"></p> </p>

Respuesta

absolute
static
fixed
relative

Pregunta 56

Pregunta

You are developing a customer web form that includes the following HTML input field. <input id="txtValue"/> If a customer enters a value in the input field, then it must be a numeric value. You need to add validation to the input field. Which HTML should you use?

Respuesta

<input id="txtValue" type-"text" pattern="/#" />
<input id="txtValue" type="number" />
<input id="txtVa!ue" type="integer" />
<input id="txtValue" type="text" required="required"/>

Pregunta 57

Pregunta

You develop an HTML5 webpage. You have the following HTML markup: <input type="text" id="username" /> You need to prevent users from entering specific characters into the username field. What should you do?

Respuesta

Using the keyup event, add an anonymous function that returns true when a specific character keycode value is determined.
Using the change event, add an anonymous function that returns true when a specific character keycode value is determined.
Using the keydown event, add an anonymous function that returns false when a specific character keycode value is determined.
Using the change event, add an anonymous function that returns false when a specific character keycode value is determined.

Pregunta 58

Pregunta

Which code shows the correct way to nest tags in HTML5?

Image:

Respuesta

Option A
Option B
Option C
Option D

Pregunta 59

Pregunta

Which JavaScript method is used to draw a circle on a canvas?

Respuesta

ellipse
circle
bezierCurveTo
arc

Pregunta 60

Pregunta

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

Image:

Respuesta

Option A
Option B
Option C
Option D

Pregunta 61

Pregunta

Which three generic font family names are valid values of the font-family property in CSS? (Choose three.)

Respuesta

cursive
system
serif
fixed
fantasy

Pregunta 62

Pregunta

Drag and Drop Question Match the CSS terms to the corresponding CSS code examples. (To answer, drag the appropriate CSS term from the column on the left to its CSS code example on the right. Each CSS term may be used once, more than once, or not at all. Each correct match is worth one point.)

Image:

Respuesta

universal selector
element type selector
pseudo-class
attribute selector
comment

Pregunta 63

Pregunta

When applied to an image, the CSS float:right property:

Respuesta

positionsthe image to the left and displays all of the text to the right of the image.
positionsthe image to the right of the region and wraps text around the top, left, and bottom.
positionsthe image to the left of the region and wraps text around the top, right, and bottom.
positionsthe image to the right and wraps text to the top and bottom.

Pregunta 64

Pregunta

Which CSS3 code segment styles the text color of EM elements to be red and semi- transparent?

Image:

5 (binary/octet-stream)

Respuesta

Option A
Option B
Option C
Option D

Pregunta 65

Pregunta

Which term describes the canvas API?

Respuesta

xml-based
vector-based
retained-mode
immediate-mode

Pregunta 66

Pregunta

Which CSS position value is used to position an element relative to the browser window?

Respuesta

position: relative;
position: absolute;
position: static;
position: fixed;

Pregunta 67

Pregunta

Drag and Drop Question Match the JavaScript code fragments with the HTML5 local storage functions. (To answer, drag the appropriate code fragment from the column on the left to its local storage function on the right. Each code fragment may be used once, more than once, or not at all. Each correct match is worth one point.)

Image:

6 (binary/octet-stream)

Respuesta

localStorage.key(0);
localStorage.setItem("name", nameData);
localStorage.clear();
localStorage.removeItem("name");
localStorage.getItem("name");

Pregunta 68

Pregunta

You write the following JavaScript code. (Line numbers are included for reference only.)

Image:

Respuesta

Option A
Option B
Option C
Option D

Pregunta 69

Pregunta

Your HTML5 code includes this code segment:

Image:

Respuesta

Option A
Option B
Option C
Option D

Pregunta 70

Pregunta

Which JavaScript method allows you to register multiple handlers for a single touch event?

Respuesta

dispatchEvent
initUIEvent
addEventListener
initEvent

Pregunta 71

Pregunta

When you are working with the path API, what is the purpose of the clip method?

Respuesta

pastes a shape object in from the system clipboard
constrains the rendered output of the shape object
copies the shape object to the system clipboard
stores the shape object for later reference in script

Pregunta 72

Pregunta

You need to ensure the scope of a variable named j is limited to the block of a single function named foo(). Which JavaScript code fragment will accomplish this?

Image:

Respuesta

Option A
Option B
Option C
Option D

Pregunta 73

Pregunta

When you are using the GeoLocation API, which two arguments does the getCurrentPosition function utilize? (Choose two.)

Respuesta

success callback
MAC address
browser type
ip address
failure callback

Pregunta 74

Pregunta

Drag and Drop Question Match the HTML5 elements to the corresponding functions. (To answer, drag the appropriate HTML5 element from the column on the left to its function on the right. Each HTML5 element may be used once, more than once, or not at all. Each correct match is worth one point.)

Image:

Respuesta

THEAD
TH
OPTGROUP
FIELDSET
COLGROUP

Pregunta 75

Pregunta

Which HTML5 tag is used to mark text that has been added to the original document?

Respuesta

<q>
<pre>
<ins>
<i>

Pregunta 76

Pregunta

Which HTML5 code fragment shows a way to validate numeric input as having a value from 1 to 100, inclusive?

Image:

5 (binary/octet-stream)

Respuesta

Option A
Option B
Option C
Option D

Pregunta 77

Pregunta

Which element should you use to rotate an SVG square?

Respuesta

path
ANIMATETRANSFORM
ANIMATEMOTION
AREA SHAPE

Pregunta 78

Pregunta

Which three events are valid for the HTML CANVAS element? (Choose three.)

Respuesta

scroll
mouseup
blur
datareceived
hover

Pregunta 79

Pregunta

Which code fragment will display the Play and Pause controls in the audio interface?

Image:

Respuesta

Option A
Option B
Option C
Option D

Pregunta 80

Pregunta

You write the following code. (Line numbers are included for reference only.)

Image:

Respuesta

Option A
Option B
Option C
Option D

Pregunta 81

Pregunta

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

Image:

Respuesta

Option A
Option B
Option C
Option D

Pregunta 82

Pregunta

You need to retrieve a value from local storage by using the key "aardvark." Which code fragment should you use?

Image: