",
"encodingFormat": "text/html",
"comment": {
"@type": "Comment"
}
}
],
"suggestedAnswer": [
{
"@type": "Answer",
"position": 0,
"text": "",
"encodingFormat": "text/html",
"comment": {
"@type": "Comment",
"text": ""
}
},
{
"@type": "Answer",
"position": 1,
"text": "
",
"encodingFormat": "text/html",
"comment": {
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"text": ""
}
},
{
"@type": "Answer",
"position": 2,
"text": "
",
"encodingFormat": "text/html",
"comment": {
"@type": "Comment",
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},
{
"@type": "Answer",
"position": 3,
"text": "
",
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}
]
},
{
"@type": "Question",
"eduQuestionType": "Multiple choice",
"learningResourceType": "Exam exercise",
"name": "",
"text": "What is the purpose of the 'alt' attribute on an image tag in HTML?",
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"assesses": "",
"acceptedAnswer": [
{
"@type": "Answer",
"position": 0,
"text": "To provide alternative text for screen readers and search engines",
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"comment": {
"@type": "Comment"
}
}
],
"suggestedAnswer": [
{
"@type": "Answer",
"position": 0,
"text": "To provide alternative text for screen readers and search engines",
"encodingFormat": "text/html",
"comment": {
"@type": "Comment",
"text": ""
}
},
{
"@type": "Answer",
"position": 1,
"text": "To modify the appearance of the image",
"encodingFormat": "text/html",
"comment": {
"@type": "Comment",
"text": ""
}
},
{
"@type": "Answer",
"position": 2,
"text": "To specify the dimensions of the image",
"encodingFormat": "text/html",
"comment": {
"@type": "Comment",
"text": ""
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}
]
},
{
"@type": "Question",
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"name": "",
"text": "Which of the following techniques is considered a best practice for optimizing the performance of a web page?",
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"acceptedAnswer": [
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"@type": "Answer",
"position": 3,
"text": "Using a content delivery network (CDN)",
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"comment": {
"@type": "Comment"
}
}
],
"suggestedAnswer": [
{
"@type": "Answer",
"position": 0,
"text": "Using unoptimized images",
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"comment": {
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"text": ""
}
},
{
"@type": "Answer",
"position": 1,
"text": "Including redundant JavaScript libraries",
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}
},
{
"@type": "Answer",
"position": 2,
"text": "Avoiding caching mechanisms",
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"comment": {
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"text": ""
}
},
{
"@type": "Answer",
"position": 3,
"text": "Using a content delivery network (CDN)",
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"comment": {
"@type": "Comment",
"text": ""
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}
]
}
]
}
Which of these is not a common element found on a web page?
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