C777 Web Development Applications Practice Questions - Set 2 - Part 2

Test your knowledge of Web Development Applications concepts with these practice questions. Each question includes detailed explanations to help you understand the correct answers.

Question 21: Which HTML5 element is used to enclose interactive controls like forms or buttons at the top of a web page?

a) <nav>

b) <header>

c) <main>

d) <footer>

Question 22: If a developer wants to play a video from the beginning as soon as the webpage loads, which attribute should be included in the <video> tag?

a) loop

b) autoplay

c) controls

d) poster

Question 23: Which CSS property is used to ensure text that overflows its container is visually managed with ellipses or other effects?

a) text-wrap

b) text-overflow

c) word-break

d) overflow-x

Question 24: When specifying a custom font using the CSS @font-face rule, which properties are required?

a) font-family and src

b) font-weight and src

c) font-size and font-style

d) font-family and font-weight

Question 25: Which HTML5 input attribute would be used to provide a pattern for validating a US phone number format?

a) maxlength

b) pattern

c) required

d) autocomplete

Question 26: Which CSS3 selector targets the last occurrence of an element within its parent container?

a) :nth-last-child

b) :last-child

c) :first-of-type

d) :nth-child

Question 27: What is the purpose of the defer attribute in the <script> tag?

a) To run the script only after the page has fully loaded

b) To run the script as soon as possible

c) To load the script only if it is needed

d) To load the script in the background

Question 28: In CSS, how can a developer center an element horizontally within a container?

a) Set margin-right: auto

b) Use float: center

c) Set margin: 0 auto

d) Use position: absolute

Question 29: Which HTML5 element is used to display the results of a calculation?

a) <output>

b) <form>

c) <label>

d) <fieldset>

Question 30: Which CSS property sets the background of an element to only cover the content, excluding padding and border?

a) content-box

b) border-box

c) padding-box

d) margin-box

Question 31: In JavaScript, which method is used to retrieve a periodic update about the user's current geographic location?

a) getCurrentPosition()

b) updateLocation()

c) watchPosition()

d) retrieveLocation()

Question 32: What CSS property specifies whether an element should be hidden or visible, without affecting the layout of the page?

a) opacity

b) display

c) visibility

d) z-index

Question 33: Which HTML5 type allows users to select a value using a calendar picker?

a) date

b) time

c) datetime

d) datetime-local

Question 34: What is the purpose of the CSS overflow property?

a) To control how content overflows its container

b) To set the background image’s position

c) To create a 3D transformation

d) To set the width of an element

Question 35: In HTML5, which attribute should be used to define a default value for an element?

a) placeholder

b) value

c) name

d) alt

Question 36: Which JavaScript event occurs when a user removes the input focus from a form field?

a) blur

b) focus

c) mouseout

d) unload

Question 37: What is the purpose of the CSS font-family property?

a) To set the text color

b) To define the size of the font

c) To specify the typeface for an element

d) To set line height

Question 38: Which HTML5 input type allows users to select a number by typing or by using up and down arrows?

a) range

b) number

c) slider

d) datetime

Question 39: To make an image draggable in HTML5, which attribute should be set to "true"?

a) movable

b) draggable

c) drag

d) resizable

Question 40: Which CSS property would you use to specify that an element's content should not exceed the boundaries of the element's box?

a) text-overflow

b) overflow

c) float

d) border-box

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