CH.2

Question 1

______ provides a number of new header fields that define information about the body of the message, including the format of the body and any encoding that is done to facilitate transfer.

Answer 1

MIME

Question 2

______ is defined as a set of additional MIME content types and provides the ability to sign and/or encrypt email messages.

Answer 2

S/MIME

Question 3

_______ is a specification for cryptographically signing e-mail messages, permitting a signing domain to claim responsibility for a message in the mail stream.

Answer 3

DomainKeys Identified Mail (DKIM)

Question 4

________ works on behalf of user actors and user applications

Answer 4

Message User Agent (MUA)

Question 5

_____ accepts the message submitted by an MUA and enforces the places of the hosting domain and the requirements of Internet standards.

Answer 5

Mail submission agent (MSA)

Question 6

________ relays mail for one application-level hop

Answer 6

Message transfer agent (MTA)

Question 7

____ responsible for transferring the message from the MHS to the MS.

Answer 7

Mail delivery agent (MDA)

Question 8

_____ an MUA can employ a long-term MS

Answer 8

Message store (MS)