The OSPF Hello protocol performs which of the following tasks? (Choose two.)()
The OSPF Hello protocol performs which of the following tasks (Choose two.)()。
A router that performs Network Address Translation (NAT) is installed between your computer and the Internet. The router fails. You connect the computer directly to the Internet. You need to ensure that the computer is connected to the Internet in the most secure manner possible. What should you do?()
An administrator performs a full backup every Saturday evening and daily incremental backups the rest of the week. The system failed on Thursday and must be restored. Which backup tapes will be required to restore the system to its most recent recoverable state()
A comedian has rehearsed 10 different jokes. During a given act, he performs any 5 of these jokes. How many different acts can he perform assuming the order of the jokes in an act is not important?