INF-306出題内容を選択して - HTML5 Application Developmentを心配してありません

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IT Specialist INF-306 Exam Syllabus Topics:

SectionObjectives
JavaScript Programming- DOM manipulation
  • 1. Selecting and modifying DOM elements
    • 2. Event handling
      - Core JavaScript concepts
      • 1. Functions and control flow
        • 2. Variables, data types, and operators
          Web Application Development Concepts- Client-side storage
          • 1. LocalStorage and SessionStorage usage
            - Media and APIs
            • 1. Embedding multimedia elements
              • 2. Basic web APIs usage
                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
                        CSS Styling- Selectors and styling rules
                        • 1. CSS specificity and cascade
                          • 2. Class, ID, and element selectors
                            - Layout and responsive design
                            • 1. Flexbox and grid fundamentals
                              • 2. Media queries and responsive layouts

                                >> INF-306出題内容 <<

                                便利INF-306|信頼的なINF-306出題内容試験|試験の準備方法HTML5 Application Development試験対応

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                                IT Specialist HTML5 Application Development 認定 INF-306 試験問題 (Q48-Q53):

                                質問 # 48
                                Which element should you use to rotate an SVG square?

                                正解:C

                                解説:
                                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.


                                質問 # 49
                                A local photographer asks you to add filters as shown to the images in their photo gallery so that the images are not recognizable until authorized users log in.
                                Example of original and filtered images:
                                * Original image: full-color flower image
                                * Filtered image: blurred grayscale image

                                Analyze the images on the left.
                                Construct a CSS selector that will apply the appropriate filters to the images to meet the requirements.
                                Complete the markup by moving the appropriate HTML tags from the list on the left to the correct locations on the right. You may use each HTML tag once, more than once, or not at all.
                                Note: There is more than one correct markup. You will receive credit for any correct markup completion.

                                正解:

                                解説:

                                Explanation:
                                First blank: img
                                Second blank: filter:
                                Third blank: grayscale(100%)
                                Fourth blank: blur(8px)
                                The correct CSS selector is img because the requirement applies the visual effect to gallery images. The correct property is filter:, not transform:, because CSS filters modify the rendered appearance of an element using image-processing effects such as blur, grayscale, opacity, brightness, contrast, and shadows. The filtered sample appears blurred and colorless, so the appropriate filter functions are grayscale(100%) and blur (8px). grayscale(100%) removes all color from the image, converting it to a black-and-white rendering. blur (8px) obscures visual details, making the image difficult to recognize until the protected or authorized state changes the styling. The filter keyword without a colon is not a valid CSS declaration in this context.
                                brightness(40%) and opacity(50%) could further obscure an image, but they are not required to reproduce the shown filtered result. The final declaration is therefore filter: grayscale(100%) blur(8px);.


                                質問 # 50
                                What is the effect of applying the CSS float: right property to an image?

                                正解:D

                                解説:
                                The correct answer is A. Applying float: right to an image removes the image from the normal inline flow and moves it to the right side of its containing block. Inline content, such as text, is then allowed to flow around the floated image. Because the image is anchored on the right, available text space is primarily on the left side of the image, and the text can continue above, beside, and below the floated region according to the surrounding layout. This is the classic use case for floating images within article-style content, where text wraps around a visual element rather than forcing the image to occupy an entire line. Option B is incomplete because it omits the important left-side wrapping behavior. Option C describes the opposite direction: an image floated left with text appearing to its right. Option D also describes float: left, not float: right.
                                References/topics: CSS float, floated images, text wrapping, normal flow, content positioning.


                                質問 # 51
                                The logo shown is displayed on a web page as an SVG.
                                Note: The coordinate values are labeled for reference.
                                Evaluate the image on the left and complete the markup by selecting the correct option from each drop-down list.
                                Note: You will receive partial credit for each correct selection.

                                正解:

                                解説:

                                Explanation:

                                The SVG image is built from three filled polygon faces, one white ellipse, and two white diagonal line segments. The three < polygon > elements define the black cube faces by connecting multiple coordinate points. The small white oval on the top face must be an < ellipse > because the markup uses cx, cy, rx, and ry; these attributes define an ellipse center point and horizontal/vertical radii. The diagonal marks on the left and right faces are straight segments, so they must use the SVG < line > element. A line is defined with starting coordinates x1, y1 and ending coordinates x2, y2. The first diagonal runs from the bottom point (200,365) to the upper-left point (50,100). The second diagonal must mirror it on the right side, so it starts at (200,365) and ends at (350,100). Therefore, the final coordinate selection is x2= " 350 " y2= " 100 " . References/topics:
                                SVG shapes, < polygon > , < ellipse > , < line > , coordinate-based vector drawing, SVG markup construction.


                                質問 # 52
                                You need to use a flexbox so that new content you add to the container appears at the highest point on a vertical list. You want to achieve this goal without specifying an order. Which value should you use for flex- direction?

                                正解:C

                                解説:
                                The correct value is column-reverse. The flex-direction property defines the main axis of a flex container and determines whether flex items are laid out horizontally, vertically, or in the reverse direction. column creates a vertical layout where items flow from the top of the container toward the bottom. If new content is appended after existing content, normal column layout places that new item later in the visual list, typically lower on the page. column-reverse preserves a vertical main axis but reverses the visual direction, so later items in the source order appear at the highest visual point of the list. This satisfies the requirement without using the order property on individual flex items. row and row-reverse are incorrect because they create horizontal layouts, not vertical lists. The reverse-direction flex values should be used deliberately because visual order can differ from DOM order, but for this exam scenario, column-reverse is the value that places newly appended vertical content at the top. References/topics: CSS flexbox, flex-direction, main axis, column layout, reverse visual flow.


                                質問 # 53
                                ......

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