IT Specialist INF-306 Test Online | Valid INF-306 Test Sample

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IT Specialist INF-306 Exam Syllabus Topics:

SectionObjectives
Application Lifecycle Management- Application Development Lifecycle
  • 1. Use debugging tools and breakpoints
  • 2. Describe planning, design, development, testing, deployment, and maintenance stages
  • 3. Debug and test web applications
  • 4. Identify runtime and validation errors
Layouts- Responsive and Flexible Layouts
  • 1. Construct responsive layouts
  • 2. Manage content overflow and flow behavior
  • 3. Manage content layout and positioning with CSS
  • 4. Use CSS Grid layouts
  • 5. Use CSS Flexbox
JavaScript Coding- JavaScript ES6 Development
  • 1. Perform data access using JavaScript
  • 2. Handle events using listeners and handlers
  • 3. Create and use custom classes
  • 4. Manage application state
  • 5. Use JavaScript APIs
Forms- HTML5 Forms and Validation
  • 1. Configure input validation and regular expressions
  • 2. Use datalist, fieldset, meter, legend, and output elements
  • 3. Validate required fields and data types
  • 4. Construct forms using HTML5 form elements
Graphics and Animation- Canvas and SVG
  • 1. Apply transformations and styling to graphics
  • 2. Use the canvas element to create graphics and animations
  • 3. Create and display graphics using SVG
  • 4. Apply CSS filters to images

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IT Specialist HTML5 Application Development Sample Questions (Q37-Q42):

NEW QUESTION # 37
Match each property to its corresponding value for creating the CSS flexible box layout.
Move each property from the list on the left to the correct value on the right.
Note: You will receive partial credit for each correct match.

Answer:

Explanation:

Explanation:

A CSS flexible box layout is created by applying the display property to a container with either flex or inline- flex. This establishes the element as a flex container and causes its child elements to become flex items. The flex-direction property defines the direction of the main axis and accepts row, row-reverse, column, and column-reverse, allowing items to flow horizontally, vertically, or in reverse order. The align-items property controls how flex items are aligned along the cross axis, with values such as flex-start, flex-end, and center.
The direction property controls writing direction and accepts ltr for left-to-right text flow or rtl for right-to-left text flow. Finally, order is applied to individual flex items and accepts an integer value, represented here as
"any," because any numeric order value can be used to rearrange item display order without changing the document source order. References/topics: CSS flexbox, flex containers, flex items, main axis, cross-axis alignment, writing direction, item ordering.


NEW QUESTION # 38
The following two images show a web page that uses a responsive layout displayed on a mobile device and on a PC.
Displayed on a mobile device:

The layout stacks the content vertically.
Displayed on a computer monitor:
The layout displays the content cards horizontally in multiple columns.
Review the images on the left.
Complete the statements by selecting the correct option from each drop-down list.

Answer:

Explanation:

Explanation:
First drop-down: flex boxes
Second drop-down: background-size
Third drop-down: cover
The layout changes from a stacked mobile layout to a multi-column desktop layout without relying on media queries. That behavior is commonly achieved with responsive flex boxes, where items can wrap naturally based on the available width. The header image must fill the available header area on both mobile and desktop. For that requirement, the correct CSS property is background-size, and the correct value is cover.
background-size: cover scales the image so the entire header area is filled, even if part of the image is cropped. contain would preserve the full image but could leave empty space, and auto would keep the image at its natural size.


NEW QUESTION # 39
You have created custom error messages for a form. When a user attempts to submit the form with invalid data, the data must remain in the form and error messages must be displayed. Which Event property or method should you use?

Answer: B

Explanation:
The correct method is preventDefault(). During form submission, the browser's default behavior is to submit the form to the target URL, which may navigate away from the current page or reload it. If the submitted data is invalid and the application must display custom error messages while preserving the entered values, the submit event handler should call event.preventDefault(). This cancels the default submit action, allowing the page to remain in place and the script to display validation feedback next to the relevant form controls.
defaultPrevented is not the method to use; it is only a Boolean property that indicates whether preventDefault() has already been called. cancelable is also only informational; it tells whether the event's default behavior can be canceled. abort is unrelated to form validation and does not provide the required control over form submission. References/topics: HTML5 form validation, custom validation messages, submit event, event cancellation, preserving form data.


NEW QUESTION # 40
You are creating a form that asks a user to enter their phone number. The form must be submitted only if the phone number field is not empty and matches the format 111-444-7777. Which markup should you use?

Answer: C

Explanation:
The correct markup is option D. The type= " tel " input type is appropriate for telephone-number entry, but it does not automatically validate a specific telephone-number format because phone formats vary internationally. MDN notes that tel inputs allow telephone entry but are not automatically validated to a particular format. Therefore, a pattern attribute is required to enforce the exact structure. The regular expression [0-9]{3}-[0-9] {3}-[0-9]{4} requires three digits, a hyphen, three digits, another hyphen, and four digits, matching the requested format such as 111-444-7777. MDN defines the pattern attribute as a regular expression the input value must match for constraint validation. The required attribute is also necessary because the field must not be empty; MDN states that required indicates the user must specify a value before the form can be submitted. Option A only limits length. Option B lacks hyphen validation and required.
Option C hard-codes only specific digits. References/topics: HTML5 validation, tel, pattern, required, regular expressions.


NEW QUESTION # 41
Which element should you use to rotate an SVG square?

Answer: C

Explanation:
The correct element is animateTransform. In SVG, rotation is not produced by drawing a different shape; it is produced by applying a transformation to an existing graphical element, such as a < rect > representing a square. The < animateTransform > element is specifically designed to animate the transform attribute of a target SVG element, and its supported transformation types include translation, scaling, rotation, and skewing.
Therefore, to rotate a square, the square would normally be defined with a shape element such as < rect > , and an < animateTransform > child or associated animation would specify attributeName= " transform " and type= " rotate " . animateMotion is incorrect because it moves an element along a motion path rather than rotating the element itself. circle is a shape element, not an animation mechanism. path defines arbitrary vector geometry, but it does not by itself animate or rotate another object. References/topics: SVG graphics, SVG transformations, animation elements, transform attribute, rotation animation.


NEW QUESTION # 42
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