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IT Specialist INF-306 Exam Syllabus Topics:

Section	Objectives
Topic 1: HTML Fundamentals	- Document structure and semantics 1. HTML5 document structure (doctype, head, body) 2. Semantic elements (header, nav, section, article, footer) - Forms and input elements 1. Form controls and validation attributes 2. Input types and accessibility considerations
Topic 2: Web Application Development Concepts	- Client-side storage 1. LocalStorage and SessionStorage usage - Media and APIs 1. Basic web APIs usage 2. Embedding multimedia elements
Topic 3: CSS Styling	- Layout and responsive design 1. Flexbox and grid fundamentals 2. Media queries and responsive layouts - Selectors and styling rules 1. CSS specificity and cascade 2. Class, ID, and element selectors
Topic 4: JavaScript Programming	- Core JavaScript concepts 1. Functions and control flow 2. Variables, data types, and operators - DOM manipulation 1. Selecting and modifying DOM elements 2. Event handling

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IT Specialist HTML5 Application Development Sample Questions (Q22-Q27):

NEW QUESTION # 22
Which value does the following JavaScript code fragment store in the variable num?
var num = localStorage.length;

A. Number of key-value pairs in local storage
B. Potential capacity of local storage
C. Number of bytes available in local storage
D. Maximum length of a character string

Answer: A

Explanation:
The value stored in num is the number of key-value pairs currently stored in localStorage. The localStorage object implements the Web Storage Storage interface, which stores data as named string key/value entries for the current origin. Its length property is read-only and returns the number of data items stored in that Storage object, not the size of the stored data and not the remaining capacity. MDN's Storage reference explicitly defines length as returning the number of data items stored, and its example shows that after three items are added to localStorage, localStorage.length returns 3. Therefore, if the storage area contains five named entries, num receives 5; if it contains no entries, num receives 0. Option A is incorrect because available bytes are not exposed through length. Option B is unrelated to Web Storage. Option C is incorrect because browser storage quota or capacity is separate from the length property. References/topics: Web Storage API, localStorage, Storage.length, key-value storage, application state.

NEW QUESTION # 23
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 # 24
Which markup segment uses the output element to display the combined value of two input elements in HTML5?

A. < form > < input type= " number " name= " a " value= " 50 " / > + < input type= " number " name= " b
" value= " 50 " / > = < output name= " c " for= " a b " > < /output > < /form >
B. < form > < input type= " number " name= " a " value= " 50 " / > + < input type= " number " name= " b
" value= " 50 " / > = < output name= " c " for= " a b " > a+b < /output > < /form >
C. < form oninput= " a.value+b.value " > < input type= " number " name= " a " value= " 50 " / > + < input type= " number " name= " b " value= " 50 " / > < /form >
D. < form oninput= " c.value=a.value+b.value " > < input type= " number " name= " a " value= " 50 " / >
+ < input type= " number " name= " b " value= " 50 " / > = < output name= " c " for= " a b " > < /output
> < /form >

Answer: D

Explanation:
Option C is the only segment that correctly combines three required pieces: two contributing < input > controls, a named < output > control, and executable form-level logic that assigns a calculated value into that output. The HTML < output > element is specifically designed as a container for the result of a calculation or user action, and its for attribute identifies the controls that contributed to the calculation by using a space- separated list of element identifiers or associated names in the form workflow. MDN's reference demonstrates this exact pattern: two input values are added, and the result is assigned to an < output > element whenever input changes. Option A renders literal text inside < output > but does not update it. Option B has no < output
> element at all, so it cannot satisfy the requirement. Option D declares an output but lacks an oninput handler or script assignment, so the displayed value never changes. References/topics: HTML5 forms, < output > element, for attribute, form input events, calculated form results.

NEW QUESTION # 25
Review the grid container requirements and mockup on the left. Which markup should you use to define the grid container?

A. .grid-container { display: grid; grid-template-areas: " heading heading heading heading heading heading
" " menu content content content right right " " menu contact contact contact contact contact " ; grid- gap: 10px; background-color: orange; padding: 10px;}
B. Incorrectly places named area strings under grid-template-rows.
C. Uses grid-template-columns and grid-template-rows with percentage and pixel sizing.
D. Incorrectly places named area strings under grid-template-columns.

Answer: A

Explanation:
The correct segment is D because named grid-region layouts are defined with grid-template-areas. This CSS Grid property specifies named grid areas, establishes the cells in the grid, and assigns names to those cells.
The syntax requires each row of the grid template to be written as a quoted string, with repeated names indicating that the named area spans multiple columns or rows. In the shown layout, heading spans the entire top row, menu occupies the left column across lower rows, content spans the central area, right occupies the right-side area, and contact spans the bottom content region. Options B and C are incorrect because named grid-area strings do not belong in grid-template-rows or grid-template-columns; those properties define track sizing, not named layout regions. Option A defines explicit column and row sizes but does not define the semantic named areas shown in the mockup. References/topics: CSS Grid, grid containers, named grid areas, grid-template-areas, responsive page layout.

NEW QUESTION # 26
Move the appropriate attributes from the list on the left to the correct descriptions on the right. You may use each attribute once, more than once, or not at all.
Note: You will receive partial credit for each correct match.

Answer:

Explanation:

Explanation:
pattern # Provides a way to set a regular expression that the value must match placeholder # Provides a way to set default text that displays until focus is placed in an element required # Provides a way to set form elements as mandatory multiple # Provides a way to allow more than one file or email address in a single input The correct matches are based on standard HTML5 form validation and input-attribute behavior. The pattern attribute defines a regular expression that the input value must satisfy before the form can be submitted successfully. It is commonly used for structured values such as phone numbers, codes, postal formats, or custom identifiers. The placeholder attribute supplies short hint text inside an input field, helping the user understand the expected value before entering data. The required attribute makes a form control mandatory; if the field is empty, constraint validation prevents successful submission. The multiple attribute allows a single input to accept more than one value, specifically for controls such as input type= " file " and input type= " email " , where users may upload multiple files or enter multiple email addresses. The maxlength attribute is not used in these matches because it limits the maximum number of characters that can be entered, but none of the listed descriptions asks for character-length restriction. References/topics: HTML5 form attributes, constraint validation, pattern, placeholder, required, multiple, input validation.

NEW QUESTION # 27
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