Which of the following metadata elements should not be used to convey machine readable licensing information?

Which elements are necessarily contained in every Atom element?

Which security mechanisms are used to secure Atom Documents?

Analyze the following identifiers: 1 http://www.example.org/thing 2 http://www.EXAMPLE.org/thing 3 HTTP://www.example.org/thing 4 http://www.example.com/%7ebob 5 http://www.example.com/%7Ebob Which of the above identifiers can be considered similar when comparing the instances of the element of an Atom?

Which software libraries can be used to access Atom feeds?

Which one is a required attribute of the element of an Atom?

Which actions should be taken by Atom processors to check the integrity of a decrypted Atom Document?

Atom processors must be able to decrypt Atom Documents with the ________ encryption algorithm.

elements may contain one or more elements.

Which security mechanism of Atom must be used if message authentication code(MAC) is used to authenticate an Atom Document?

Which encryption algorithms are required by Atom processors using Digital Signatures for securing Atom Documents?