By default, the head utility (Sobell, page 57) displays the first 10 lines of a file. Use head to display the first 10 lines of a file such as /etc/services.
What will be an ideal response?
$ head /etc/services
...
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Using the definition below, which of the following declares a variable of struct type book with title “War & Peace” and price 27.99.
struct book { string title; float price; }; book myBook; title = “War & Peace”; price = 27.99; b) book myBook; myBook.title = “War & Peace”, price = 27.99; c) book myBook; myBook[title] = “War & Peace”; myBook[price] = 27.99; d) book myBook; myBook.title = “War & Peace”; myBook.price = 27.99;
The browser’s ________ enables the asynchronous exchanges with the web server that make Ajax applications so responsive.
a. HttpRequestObject. b. XMLHttpRequest object c. XMLHttpRequestObject. d. None of the above.
How often should policies be reviewed?
A) Monthly B) Twice a year C) Annually D) Never
The _____________ operator returns false if the left operand is greater than the right oper- and.
a) == b) < c) <= d) All of the above