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IT Specialist INF-306 - HTML5 Application Development

Last Update May 23, 2026

IT Specialist Certification Exams Pack

Everything from Basic, plus:
  • Exam Name: HTML5 Application Development
  • 68 Questions Answers with Explanation Detail
  • Total Questions: 68 Q&A's
  • Single Choice Questions: 23 Q&A's
  • Multiple Choice Questions: 14 Q&A's
  • Hotspot Questions: 23 Q&A's
  • Fill in the Blanks Questions: 1 Q&A's
  • Drag Drop Questions: 7 Q&A's


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Total Questions: 68
Free Practice Questions: 20

Which three events are valid for the HTML canvas element? Choose 3.

Options:

A.

mouseup

B.

scroll

C.

play

D.

datareceived

E.

blur

Answer
A, B, E
Explanation

The valid selections are mouseup, scroll, and blur. A < canvas > element is represented by HTMLCanvasElement, which inherits from HTMLElement; therefore, it participates in the normal DOM event model for element-based interaction. mouseup is valid because it is fired on an Element when a pointing-device button is released while the pointer is over that element, which is a common canvas interaction pattern for drawing tools, games, drag tracking, and selection behavior. scroll is valid as an element event when an element is scrolled, and the HTML event-handler index lists onscroll for HTML elements. blur is also valid because it fires when an element loses focus; a canvas can participate in focus workflows, particularly when made focusable with attributes such as tabindex. play is excluded in this certification context because it is a media playback event associated with HTMLMediaElement behavior, not canvas graphics interaction. datareceived is not a standard HTML canvas or DOM event. References/topics: canvas DOM interaction, element event listeners, mouse events, focus events, scroll events.

Review the images on the left.

Complete the statements by selecting the correct option from each drop-down list.

Note: You will receive partial credit for each correct selection.

Question # 2

Options:

Answer
Answer: Answer # 2
Explanation

First drop-down: flex boxes

Second drop-down: background-size

Third drop-down: cover

The correct layout mechanism is responsive flex boxes because the content changes from a vertical mobile arrangement to a wider multi-column layout as space becomes available. Flexbox supports this behavior naturally through flexible item sizing and wrapping, often without needing explicit media queries for every screen size. The header image must fill its visible header region on both mobile and desktop. The correct CSS property for controlling how a background image scales inside its container is background-size. The correct value is cover, because background-size: cover scales the image so that the entire container is covered while preserving the image’s aspect ratio. This prevents distortion, although some cropping can occur when the image and container have different aspect ratios. contain would preserve the full image but may leave empty space. auto would use the image’s intrinsic size and would not reliably fill the header area. background-attachment, background-clip, and background-repeat do not control image scaling.

The following output has more text than will fit in the element.

Question # 3

You need to apply CSS to contain the text inside the element ' s border without creating unneeded scrollbars or losing text. Which attribute setting should you use?

Options:

A.

overflow:hidden;

B.

overflow:scroll;

C.

overflow:visible;

D.

overflow:auto;

Answer
D
Explanation

The correct setting is overflow: auto;. The CSS overflow property controls how content behaves when it does not fit inside an element’s padding box. The requirement has three parts: keep the text inside the element’s border, avoid unnecessary scrollbars, and avoid losing text. overflow: hidden clips overflowing content and does not provide a user-visible scrollbar, so text can become inaccessible. overflow: visible allows excess content to render outside the element’s box, failing the containment requirement. overflow: scroll makes the element scrollable, but user agents display scrollbars whether or not content is actually overflowing, which violates the requirement to avoid unneeded scrollbars. MDN describes overflow: auto as clipping overflow content at the padding box while allowing it to be scrolled into view, with scrollbars displayed only when content is actually overflowing. This makes auto the precise choice for a controlled text container. References/topics: CSS overflow, scroll containers, content clipping, layout flow, preserving overflowing content.

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IT Specialist INF-306 FAQ'S

Find answers to the most common questions about the IT Specialist INF-306 exam, including what it is, how to prepare, and how it can boost your career.

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