W9 - Application Layer (SY25-26/C305-304i)

Multiple Choice

In a client-server model, what is the device that is responding to a request called?

• Client

• Host

• Server

• Peer

Multiple Choice

In a peer-to-peer (P2P) network, how are the roles of client and server assigned?

• Each device is permanently assigned as a client.

• Each device is permanently assigned as a server.

• The roles are set on a per-request basis.

• One device is the dedicated server, and others are clients.

Multiple Choice

Which HTTP message type is used to upload data files, such as form data, to a web server?

• GET

• POST

• PUT

• PUSH

Multiple Choice

Which of the following protocols is used for sending email messages?

• POP

• IMAP

• SMTP

• All of the mentioned

Multiple Choice

What is the main advantage of using DHCP?

• It provides static addressing that is easy to remember.

• It automates the assignment of network parameters to hosts.

• It is used for network devices like servers and routers.

• It provides a default gateway address for IPv6 clients.

Multiple Choice

What is the TCP port number used for the data transfer connection in FTP?

• 20

• 21

• 80

• 25

Lesson Assessment

Multiple Choice

What is the purpose of the nslookup command?

• To obtain an IP address dynamically.

• To manually query DNS servers to resolve a given hostname.

• To test network connectivity between two devices.

• To upload files to a server.

Multiple Choice

What is the primary function of the application layer in the TCP/IP model?

• It provides the interface between applications used to communicate and the underlying network.

• It formats, compresses, and encrypts data for transmission.

• It creates and maintains dialogues between source and destination applications.

• It handles the exchange of information to keep sessions active.

Multiple Choice

Which of the following is NOT a primary function of the presentation layer of the OSI?

• Encrypting data

• Compressing data

• Formatting data

• Creating sessions