Basics of Computer Networking

What is the primary function of a client in a network?

To maintain the network operating system
To store and distribute shared data
To manage network protocols
To access and use network resources (correct)

What is the purpose of transmission media in a network?

To store and manage network data
To interconnect computers in a network (correct)
To provide power to network devices
To control the flow of network traffic

What is the role of a Network Interface Card (NIC) in a network?

To manage the local operating system
To establish network protocols for communication
To control the network operating system
To send and receive data, and control data flow between the computer and the network (correct)

What is the purpose of a Local Operating System?

To access files, print to a local printer, and use disk and CD drives on the computer (B) Signup and view all the answers

What is the purpose of a Network Operating System?

To allow computers to communicate via the network (D) Signup and view all the answers

What is the purpose of a MAC Address?

To uniquely identify each host and its associated Network Interface Card (D) Signup and view all the answers

What does POLAN allow you to do?

Convert a single optical signal into multiple signals (D) Signup and view all the answers

What is the primary purpose of a Home Area Network (HAN)?

To allow computer owners to interconnect multiple computers and share resources (C) Signup and view all the answers

What is the main characteristic of a Peer-to-Peer network?

Each computer is responsible for making its own resources available to other computers on the network (A) Signup and view all the answers

What is the primary purpose of an Enterprise Private Network?

To securely connect numerous locations in order to share various computer resources (D) Signup and view all the answers

What is the main purpose of a Virtual Private Network (VPN)?

To use a public network to connect remote sites or users together (D) Signup and view all the answers

What is the main purpose of a Campus Area Network (CAN)?

To interconnect a variety of campus buildings to connect all the academic departments (B) Signup and view all the answers

What layer is responsible for establishing and terminating connections between local and remote applications?

Session (C) Signup and view all the answers

Which layer provides the means of transferring data sequences from one node to another in different networks?

Network (D) Signup and view all the answers

What is the responsibility of the Media Access Control (MAC) layer within the data-link layer?

Controlling access to the medium in a network (B) Signup and view all the answers

Which layer corrects errors that can occur at the physical layer?

Data-link (D) Signup and view all the answers

What does the Logical Link Control layer do within the data-link layer?

Identity and encapsulation of network-layer protocols (C) Signup and view all the answers

Which layer builds on the network layer to provide data transport from a source machine to a destination machine?

Transport (C) Signup and view all the answers

What is the primary purpose of a computer network?

To connect multiple computers and allow resource sharing (C) Signup and view all the answers

Which of the following is NOT an advantage of a computer network?

Increases the processing power of individual computers (B) Signup and view all the answers

What is the primary function of a switch in a computer network?

To connect computers, printers, and other hardware devices within a building or campus (B) Signup and view all the answers

Which component in a computer network allows sharing a single internet connection among multiple devices?

Router (D) Signup and view all the answers

What is the primary function of a server in a computer network?

To hold shared programs, files, and the network operating system (C) Signup and view all the answers

What is the purpose of a hub in a computer network?

To split a network connection into multiple computers (A) Signup and view all the answers

What was the initial purpose of the OSI model?

To define standards and methods for networking (C) Signup and view all the answers

Which layer of the OSI model interacts directly with the end-user's application program?

Application layer (C) Signup and view all the answers

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

To define the format for data exchange between communicating entities (B) Signup and view all the answers

Which layers of the OSI model are primarily implemented in hardware?

Physical and data link layers (D) Signup and view all the answers

In which year was the OSI architecture formally adopted by ISO as an international standard?

1984 (C) Signup and view all the answers

Which statement best describes the upper layers of the OSI model?

They deal with application issues and are mostly implemented in software (A) Signup and view all the answers