INF-306 Free Sample Questions - Updated INF-306 Testkings

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IT Specialist INF-306 Exam Syllabus Topics:

SectionObjectives
Topic 1: 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 2: HTML Fundamentals- Forms and input elements
        • 1. Form controls and validation attributes
          • 2. Input types and accessibility considerations
            - Document structure and semantics
            • 1. HTML5 document structure (doctype, head, body)
              • 2. Semantic elements (header, nav, section, article, footer)
                Topic 3: CSS Styling- Selectors and styling rules
                • 1. Class, ID, and element selectors
                  • 2. CSS specificity and cascade
                    - Layout and responsive design
                    • 1. Flexbox and grid fundamentals
                      • 2. Media queries and responsive layouts
                        Topic 4: JavaScript Programming- Core JavaScript concepts
                        • 1. Variables, data types, and operators
                          • 2. Functions and control flow
                            - DOM manipulation
                            • 1. Selecting and modifying DOM elements
                              • 2. Event handling

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                                IT Specialist HTML5 Application Development Sample Questions (Q51-Q56):

                                NEW QUESTION # 51
                                The following form is missing validation attributes:
                                < form >
                                < div class= " container " >
                                < h1 > Register Here < /h1 >
                                < p > Please fill in the details to create an account with us. < /p >
                                < hr >
                                < label for= " ? " > < b > Enter Email < /b > < /label >
                                < input type= " ? " placeholder= " Enter Email " name= " ? " placeholder= " username@domain.com " >
                                < label for= " ? " > < b > Password < /b > < /label >
                                < input type= " ? " placeholder= " Enter Password " name= " ? " >
                                < label for= " ? " > < b > Confirm Password < /b > < /label >
                                < input type= " ? " placeholder= " Confirm Password " name= " ? " >
                                < label for= " phone " > < b > Phone < /b > < /label >
                                < input type= " tel " id= " phone " name= " phone " placeholder= " 123-45-678 " >
                                < hr >
                                < p > By creating an account you agree to our < a href= " # " > Terms & Privacy < /a > . < /p >
                                < button type= " submit " class= " registerbtn " > < strong > Register < /strong > < /button >
                                < /div >
                                < /form >
                                You need to update the form to enforce the following requirements for visitors:
                                * All fields must be completed with valid information.
                                * The users should not be allowed to type passwords longer than 8 characters.
                                * Passwords must use only numbers and letters.
                                * Phone numbers and email addresses must follow the configuration of the placeholder text.
                                * The browser must display an error message that makes it clear what type of input change is needed.
                                Review the markup on the left.
                                Complete the sentences by selecting the correct option from each drop-down list.
                                Note: You will receive partial credit for each correct selection.

                                Answer:

                                Explanation:

                                Explanation:
                                First drop-down: four
                                Second drop-down: maxlength
                                Third drop-down: email, password, and phone
                                The form contains four user-entry input elements: email, password, confirm password, and phone. Since the requirements state that all fields must be completed, the required attribute must be applied to all four inputs.
                                The password field must prevent entries longer than eight characters, so the correct length-control attribute is maxlength, not max; max applies to numeric/date-style value ranges, while maxlength limits character count in text-style inputs. The phone field also benefits from maxlength because its placeholder format has a fixed visible structure. Finally, completed pattern attributes are needed for email, password, and phone because each has a required format rule: the email must match the placeholder-style address format, the password must use only letters and numbers, and the phone number must follow the placeholder format such as 123-45-
                                678. The title attribute should accompany these patterns to produce meaningful browser validation messages.


                                NEW QUESTION # 52
                                Which CSS property defines the sides of an element where other floating elements are not allowed?

                                Answer: B

                                Explanation:
                                The correct property is clear. In CSS layout, float removes an element from the normal inline flow and positions it to the left or right, allowing following content to wrap beside it. The clear property controls whether an element may be positioned next to preceding floated elements or must be moved below them.
                                MDN defines clear as the property that sets whether an element must be moved below floating elements that precede it. Typical values include left, right, both, and none, allowing the developer to block floats on one or both sides. display controls the formatting behavior of an element, such as block, inline, flex, or grid. float creates the floating behavior; it does not prevent other floats from appearing beside an element. position controls positioning schemes such as static, relative, absolute, fixed, or sticky. Therefore, only clear directly defines the sides where adjacent floating elements are not permitted. References/topics: CSS floats, content flow, clearing floated elements, layout positioning.


                                NEW QUESTION # 53
                                You need to correctly apply a style rule for screen devices with a width of 480 pixels or less.
                                Complete the code by selecting the correct option from the drop-down list.

                                Answer:

                                Explanation:

                                Explanation:
                                @media screen and (max-width: 480px) {
                                /* style rules go here */
                                }
                                The correct media query is @media screen and (max-width: 480px) {. The requirement says the style rule must apply to screen devices with a width of 480 pixels or less. In CSS media queries, screen identifies the media type, and (max-width: 480px) defines the upper viewport-width limit. This means the enclosed CSS rules apply when the viewport is 480 pixels wide or any smaller value, which is the standard mobile breakpoint behavior. @media screen and (width: 480px) is incorrect because it applies only when the viewport is exactly 480 pixels wide, not below it. @media screen display and (width: 480px) is invalid syntax because display is not used that way in a media query. @media screen-width: 480px is also invalid because it does not follow the required @media media-type and (feature: value) pattern. References/topics: responsive design, CSS media queries, @media, screen media type, max-width, mobile breakpoint styling.


                                NEW QUESTION # 54
                                You are creating the styling for your webpage. Which two CSS attributes produce a scroll bar if your content overflows its element? Choose 2.

                                Answer: C,D

                                Explanation:
                                The correct values are scroll and auto. The CSS overflow property controls what happens when content is too large to fit inside an element's box. MDN describes overflow as setting the desired behavior when content does not fit inside the element's padding box. The value overflow: scroll creates a scroll container and displays scrollbars so overflowing content can be reached, even when the scrollbar may not be strictly needed in some rendering environments. The value overflow: auto also creates scrolling behavior when content overflows, but it is conditional: scrollbars appear only when the content exceeds the available box size. hidden is incorrect because it clips overflowing content and hides the excess rather than exposing it through a scrollbar. visible is also incorrect because it allows overflow to render outside the element box and does not create a scroll container. Therefore, when the question asks which settings produce a scrollbar if content overflows, the precise answers are scroll and auto. References/topics: CSS overflow, scroll containers, overflow clipping, automatic scrollbars, layout flow.


                                NEW QUESTION # 55
                                You want to display a message box showing the user ' s current latitude and longitude as identified by the user' s browser.
                                Complete the code by selecting the correct option from each drop-down list.
                                Note: You will receive partial credit for each correct selection.

                                Answer:

                                Explanation:

                                Explanation:
                                First drop-down: navigator.geolocation
                                Second drop-down: navigator.geolocation
                                Third drop-down: getCurrentPosition(showLocation)
                                The correct API object is navigator.geolocation because browser-based geographic location is exposed through the Geolocation API, not through window.location. window.location represents the current page URL and navigation state; it does not provide latitude or longitude. The first selection checks whether the browser supports geolocation by evaluating navigator.geolocation. Inside the block, the same object must be used to request the user's current position. The correct method is getCurrentPosition(showLocation), which requests the device's current location and passes a position object to the callback function when the location is available. The callback then reads position.coords.latitude and position.coords.longitude and displays those values with alert(). The alternatives that pass window.location are incorrect because they provide page- location information rather than geographic coordinates. The alternatives that call showLocation(...) directly are also incorrect because the browser must first retrieve the actual position object. References/topics:
                                Geolocation API, navigator.geolocation, getCurrentPosition(), callback functions, latitude and longitude.


                                NEW QUESTION # 56
                                ......

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