Computer Networks Chapter 10 Exercise

message transfer agent functions

Email functions concerned with the protocol operations needed to transmit and deliver messages are considered:

user agent functions

Email functions visible to a user, such as facilities for preparing and submitting messages, filing, replying, and forwarding, are considered:

stateless

HTTP is a ________ protocol; each transaction is treated independently.

False

SMTP can be used to send executable files and other binary file types.

False

SMTP does not place any requirements on the contents or message bodies of mail it processes.

True

SMTP is the standard protocol in the TCP/IP protocol suite for transferring email between hosts.

False

SMTP returns an end-to-end acknowledgement to the originator to indicate that the message was successfully delivered to the recipient.

pop

The ________ and the Internet Message Access Protocol support retrieval of mail between a client system and a server that holds the mail for the client.

World Wide Web

The _________ is fundamentally a client/server application running over the Internet and TCP/IP intranets.

True

Upon receipt, the SMTP receiver must decide whether to place the message in the appropriate user mailbox or local outgoing mail queue.

URL of the request document, contents of the document, and cookies sent from browser to server

When HTTPS is used, which element of the communication is encrypted?

resource

When using HTTP, a network data object or service that can be identified by a URL is called a ____________.

server

When using HTTP, an application program that accepts connections in order to service requests by sending back responses is called a ___________.

client

When using HTTP, an application program that establishes connections for the purpose of sending requests to a server is called a __________.

SMTP does not guranatee that all messages are delivered

Which of the following is a true statement regarding SMTP processing of messages?

https

_________refers to the combination of HTTP and SSL to implement secure communication between a Web browser and a Web server.