In symmetric key cryptosystem, assume that Alice and Bob have set up a common key Kab. This key is only known to Alice and Bob. (1a) Can we achieve data origin authentication?

Speed is how fast an object moves a certain distance within a length of time. how is speed calculated? a) distance/time b) time/distance c) velocity/time d) distance x time

Match each vocabulary word to its definition.1. desktoppicture used to represent acomputer application2. domainnetwork protectionsoftware code that can be viewed,3. iconmodified, and redistributed for freethe background screen on acomputer monitor4. url5. blogan online journalthe part of an internet address that6. firewallrefers to a group of computers on anetworkonline database of web pages7. intranetnetwork for use by an individual8. open address of a web page or9. wikiresource

How can i delete permalinks from a word press site?