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Which of the following is the correct way to check whether the cookie is set or not before retrieving the value from "LoginCookie"?
isset($COOKIE['LoginCookie'])
isset($_COOKIE['LoginCookie'])
isCookieSet('$LoginCookie')
isCookieSet(['$LoginCookie'])
Answer:
isset($_COOKIE['LoginCookie'])
Which of the following subdirectory of the root directory provides system statistics through a directory-and-file interface which you can browse with standard Unix tools
etc
sbin
proc
lib
None of the above
Answer:
proc
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