You have a popular web application that accesses data stored in an Amazon Simple Storage Service (Amazon S3) bucket. You expect the access to be very read-intensive, with expected request rates of up to 500 GETs per second from many clients. How can you increase the performance and scalability of Amazon S3 in this case?
A. Turn on cross-region replication to ensure that data is served from multiple locations.
B. Ensure randomness in the namespace by including a hash prefix to key names.
C. Turn on server access logging.
D. Ensure that key names are sequential to enable pre-fetch.
Answer: B. Ensure randomness in the namespace by including a hash prefix to key names.
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Which of the following function declarations can be passed the following array? char myArray[6][8];
a. void f1(char a[][], int sizeOfFirst); b. void f1(char a[][8], int sizeOfFirst); c. void f1(char& a, int sizeOfFirst); d. void f1(char a[6][8], int sizeOfFirst); e. B and D f. A and D
In the figure above, if the first image is the original, the number 3 is a sample of the effects of the ____________________ tool.
Fill in the blank(s) with the appropriate word(s).