Module 12 - Application Layer Services

Which application protocols are used to by clients to retrieve email messages? (Choose two.)

(1) POP and (2) IMAP

What two characteristics describe an FTP connection?

(1) The first connection established is for traffic control and the second connection is created to transfer a file (2) Files can be downloaded from or uploaded to the server.

A new employee is attempting to configure a cell phone to connect to the email server of the company. Which port number should be selected when using the POP3 protocol to access messages stored on the email server?

110

A new employee is attempting to configure a cell phone to connect to the email server of the company. Which port number should be selected when using the IMAP4 protocol to access email messages stored on the local server?

143

An employee of a company is attempting to remotely access a computer system using a virtual terminal (vty) session via Telnet. Which destination port number should the employee put in the remote access software being used?

23

A new employee is configuring a cell phone for company email. Once configured, what is the destination port number used when the employee sends an email from the phone?

25

Which application protocol is used to automatically configure IP addressing information?

DHCP

Refer to the exhibit. Which protocol allows a user to type www.cisco.com instead of an IP address to access the web server?

DNS

Which application protocol is used to resolve web addresses to an IP address?

DNS

Which protocol is used by web servers to serve up a web page?

HTTP

Which protocol is used to transfer web pages from a server to a client device?

HTTP

Which protocol retains a message in a mailbox on a server, even after the message is accessed by a user on a local client device?

IMPA4

Which is a feature of IMAP?

It downloads a copy of email messages leaving the original on the server

Which protocol removes messages from the server after they have been accessed by a client?

POP3

This protocol is used by a client to send email to a mail server.

SMTP

What is the advantage of using SSH over Telnet?

SSH provides secure communications to access hosts

True or False? Text messaging is only available on a smartphone?

false

Which communication tool allows multiple users to communicate with each other in real time by using a smartphone application or social media site?

instant messaging

When analog voice signals are converted for use on a computer network, in what format are they encapsulated?

ip packets