Which of the following statements about the continue statement is true?
a. The continue statement is used to exit an iteration structure early and continue execution after the loop.
b. The continue statement is used to continue after a switch statement.
c. The continue statement does not alter the flow of control.
d. A continue statement proceeds with the next iteration of the immediately enclosing while, for, do…while statement.
d. A continue statement proceeds with the next iteration of the immediately enclosing while, for, do…while statement.
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Write the selection sort algorithm for an array of int in C++. You are to assume that there are predefined functions swapValues and indexOfSmallest, that is do not write these functions. However, you must write declarations with pre and post conditions for these functions.
What will be an ideal response?
Why are the wires color-coded in a UTP cable?
What will be an ideal response?
One of the disadvantages of _____ methods of system development is that the overall project might be subject to scope change as user requirements change.
A. object-oriented analysis B. agile C. structured analysis D. rapid application development
You are the new IT architect in a company that operates a mobile sleep tracking application When activated at night, the mobile app is sending collected data points of 1 kilobyte every 5 minutes to your backend The backend takes care of authenticating the user and writing the data points into an Amazon DynamoDB table. Every morning, you scan the table to extract and aggregate last night's data on a per user basis, and store the results in Amazon S3. Users are notified via Amazon SMS mobile push notifications that new data is available, which is parsed and visualized by (The mobile app Currently you have around 100k users who are mostly based out of North America. You have been tasked to optimize the architecture of the backend system to lower cost what would you recommend?
A. Create a new Amazon DynamoDB (able each day and drop the one for the previous day after its data is on Amazon S3. B. Have the mobile app access Amazon DynamoDB directly instead of JSON files stored on Amazon S3. C. Introduce an Amazon SQS queue to buffer writes to the Amazon DynamoDB table and reduce provisioned write throughput. D. Introduce Amazon Elasticache lo cache reads from the Amazon DynamoDB table and reduce provisioned read throughput. E. Write data directly into an Amazon Redshift cluster replacing both Amazon DynamoDB and Amazon S3.