Module 15 CCNA

Application, presentation, and session layer

What is the main function of the Application Layer?

Provides network services directly to end-user applications.

Which protocol is used to translate domain names into IP addresses?

DNS (Domain Name System)

Which protocol is used for assigning IP addresses automatically?

DHCP (Dynamic Host Configuration Protocol)

What does the Presentation Layer handle?

Data formatting, encryption, and compression.

What is the role of the Session Layer?

Manages the establishment, maintenance, and termination of sessions.

Name two file transfer protocols.

FTP and TFTP.

Which model involves dedicated servers and clients?

Client-Server Model.

Which model allows devices to act as both client and server?

Peer-to-Peer Model.

What does HTTP stand for?

HyperText Transfer Protocol.

What is object-fit: cover used for in CSS (bonus web study)?

Ensures the image fills its container without distortion by cropping.