The Trust Center is a tool for users to add ________ that the user knows are secure to minimize security breaches within an Access database

The OSPF routing protocol uses which of the following to verify that a link between two routers is active and the routers are communicating?

a. LSAs b. “Hello” packets c. ARP messages d. ping

Read the following sentence and key the correct terminal punctuation mark in the blank.You can cross the English Channel by ferry or by rail_____?

Fill in the blank(s) with the appropriate word(s).