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 Blank

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 Blank

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 Blank

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 Blank

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