PRELIM EXAM WITH ANSWER - PRACTICE TEST

Which of the following best describes the role of a medium in networking?

• It is a type of software that manages network traffic.
• It is a hardware component that stores data.
• It is necessary to carry data between devices.
• It is a protocol that defines communication rules.

What do protocols in networking primarily define?

• The physical layout of the network.
• The rules for how devices will communicate.
• The types of hardware used in the network.
• The speed of data transmission.

In networking, what is meant by the term 'nodes' or 'hosts'?

• They are anything connected to the network.
• They are the physical cables connecting devices.
• They are the protocols that govern data transfer.
• They refer to the software applications used for communication.

What is the primary function of endpoints in a network?

• To provide security for the data being transmitted.
• To act as sources or destinations for data.
• To store data temporarily during transmission.
• To manage the network traffic.

What is the best definition of networking?

• Sharing information and resources.
• The process of connecting computers to the internet.
• The act of communicating with others online.
• A method of transferring files physically.

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

• To manage sessions
• To provide user interfaces
• To handle error correction
• To determine if data needs to be sent across the network

Which of the following is NOT a protocol associated with the application layer?

• HTTP
• DNS
• TCP
• SMTP

Which layer of the OSI model is responsible for making data presentable?

• Transport Layer
• Session Layer
• Presentation Layer
• Application Layer

Which layer is responsible for compression and encryption of data?

• Network Layer
• Transport Layer
• Presentation Layer
• Application Layer

What is the role of the session layer in the OSI model?

• To encrypt data for secure transmission
• To manage and control the sessions between applications
• To route data packets across networks
• To format data for presentation