CCNA1 Session 15 Application Layer

Multiple Choice

Which layer in the OSI model is responsible for providing the interface between applications and the underlying network?

• Transport Layer

• Application Layer

• Presentation Layer

• Session Layer

Multiple Choice

Why is the application layer important in computer networking?

• It manages hardware devices

• It provides support to end-user applications

• It encrypts all network traffic

• It controls physical connections

Multiple Select

Which of the following are primary functions of the presentation layer?(Select 2)

• Formatting data

• Routing packets

• Encrypting data

Fill in the Blanks

The session layer is responsible for creating and maintaining

between source and destination applications.

Multiple Choice

Which protocol enables clients to retrieve email from a mail server and downloads the email to the local mail application of the client?

• SMTP

• POP3

• IMAP

• DNS

Fill in the Blanks

For communications to be successful, the application layer protocols that are implemented on the source and destination host must be

Multiple Choice

Which protocol is connection-oriented and acknowledged for file delivery?

• FTP

• TFTP

• SMTP

• HTTP

Fill in the Blanks

In a peer-to-peer network, each device can function as both a ___ and a ___.

Multiple Choice

Which HTTP message type is used by a client to request HTML pages from a web server?

• GET

• POST

• PUT

• DELETE

Open Ended

Explain the difference between HTTP and HTTPS in terms of data security and message types.

Fill in the Blanks

The Server Message Block (SMB) protocol is a

-response protocol.

Multiple Choice

Which of the following best describes the main objective of understanding application layer protocols?

• To configure network hardware

• To support end-user applications

• To design physical network topologies

• To manage network security policies