How many times may a search key value appear in a b+tree?

Consider the following statements, then select one of the answers below: the signal() function shown below registers "sig_handler()" as the signal handler function for the sigkill signal, without the complexity of using when the sigkill signal is sent to a process running this code, by a user typing "kill -kill ", where the correct process id is used for to target the process, sig_handler() will be executed.

Why does the pc send out a broadcast arp prior to sending the first ping request

To move an excel worksheet tab, simply right-click on it drag and drop it double-click on it delete it