Chapter 15

What is the main objective of the Application Layer module?

• To explain the operation of application layer protocols in providing support to end-user applications.

• To describe the physical layer of network communication.

• To analyze the security protocols in network layers.

• To understand the hardware components of a network.

Which layers work together to provide network services to end-user applications?

• Application, Presentation, and Session layers

• Physical, Data Link, and Network layers

• Transport, Network, and Data Link layers

• Session, Transport, and Network layers

What is the focus of the Peer-to-Peer topic in the module?

• How end-user applications operate in a peer-to-peer network

• How routers manage data traffic

• How servers handle client requests

• How firewalls protect network security

What do Web and Email Protocols explain in this module?

• How web and email protocols operate

• How to configure network hardware

• How to secure wireless networks

• How to troubleshoot network issues

What is explained under IP Addressing Services?

• How DNS and DHCP operate

• How IP addresses are assigned manually

• How to encrypt data packets

• How to set up a VPN

What is the focus of the File Sharing Services topic?

• How file transfer protocols operate

• How to install network cables

• How to configure a firewall

• How to optimize network speed

Which layers of the OSI model define the functions of the TCP/IP application layer?

• Application, Presentation, and Session

• Transport, Network, and Data Link

• Physical, Data Link, and Network

• Session, Transport, and Network

What is the primary function of the application layer in the OSI model?

• To provide the interface between applications and the network

• To manage data flow control

• To establish, manage, and terminate connections

• To encrypt and decrypt data

Which of the following is a widely known application layer protocol?

• HTTP

• TCP

• IP

• ARP

What is one of the primary functions of the presentation layer?

• Routing data packets

• Formatting data for the destination device

• Establishing network connections

• Managing data flow