Question 61 : What is the purpose of creating a data frame?
1. Hold the page render time
2. Hold the load time
3. Hold the page render time & load time
4. Hold the reload time
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Question 62 : What is the purpose of the domLoading attribute?
1. Document exists
2. Document can load
3. Document has loaded
4. Document begins to load
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Question 63 : What is the result when the showPerformanceMetrics() is called before loading the remote script?
1. Throws an exception
2. Throws an error
3. It will load by itself
4. None of the mentioned
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Question 64 : How is the render time calculated?
1. Date.Now()
2. Date.Now() – performance.timing.domLoading
3. performance.domLoading
4. Date.Now() – performance.domLoading
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Question 65 : What is the purpose of the property PerformanceTiming.fetchStart?
1. Browser ready to fetch input
2. Browser ready to fetch document
3. Browser ready to fetch summary
4. All of the mentioned
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Question 66 : How many properties are available in a memory object?
1. 1
2. 2
3. 3
4. 4
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Question 67 : Which of the following layer retrieves the content from the network?
1. Transport Layer
2. Application Layer
3. Network Layer
4. Physical Layer
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Question 68 : What is the purpose of lazy loading?
1. Immediate loading is necessary
2. Loading under command
3. Immediate loading is not necessary
4. Loading after a definite interval
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Question 69 : Where does the DNS Lookup direct to ?
1. Browser
2. Client
3. Server
4. DNS Server
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Question 70 : What is the purpose of the timing property in the window.performance object?
1. Time of navigation event
2. Time of page load event
3. Time of navigation and page load event
4. Time of scrolling
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