Briefly describe both types of cookies.
What will be an ideal response?
There are two flavors of cookies:* Session cookies -Temporary cookies that are erased when you close your browser at the end of your session. The next time you visit that site, it will not recognize you and will treat you as a completely new visitor as there is nothing on your computer to let the site know that you have visited before. Session cookies maintain state while you are connected to a given site, keeping track of which pages you have visited on that site and maintaining the followed/unfollowed color-markers of links within the site.* Persistent cookies-These remain on your hard drive until you erase them or they expire. How long a cookie remains on your hard drive depends on how long the visited Web site has programmed the cookie to last. Persistent cookies are sometimes used by advertisers to track your behavior on the Internet.
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A router separating process p from two others, q and r, fails immediately after p initiates the multicasting of message m. If the group communication system is view-synchronous, explain what happens to p next.
What will be an ideal response?
rite a daemon that runs a speci?ed command and monitors its health. If the command exits because of a signal, then have the daemon log a warning message and restart the command. To test the daemon, have it monitor the program shown in Figure38. Be awarethat to tell the daemon the command to monitor,you can’t type something like
because once the daemon calls the daemonize function (Figure13.1), it will be running in the root directory,and won’t be able to ?nd./testcommand.
The number of VMs you can run and the performance of each depend on the amount of ________ you have available
Fill in the blank(s) with correct word
The header is suppressed on the first page of a multiple page letter or memo by selecting ____________________ in the Options group.
Fill in the blank(s) with the appropriate word(s).