CHP #1 Part 1

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Which tool is commonly used for analyzing and visualizing data?

SQL

PowerBI

Tableau (correct)

Excel

What is the purpose of data communications networks?

Transmit voice and video data

Improve day-to-day control of a business

Facilitate message transfer services

All of the above (correct)

Which hardware component stores data or software that can be accessed by the clients in a network?

Server (correct)

Circuit

Client

Switch

What is the pathway through which messages travel in a network?

Circuit Signup and view all the answers

What type of network involves a set of similar computers that share their data and software with each other?

Peer-to-peer network Signup and view all the answers

What device connects two or more networks and enables computers on one network to communicate with computers on other networks?

Router Signup and view all the answers

What type of server stores data and software that can be used by computers on the network?

File server Signup and view all the answers

What is the movement of data from one point to another by means of electrical or optical transmission systems called?

Data communications Signup and view all the answers

What are the three basic hardware components for a data communications network?

Server, client, and circuit Signup and view all the answers

What is the purpose of a wireless access point in a network?

Enables wireless communication between computers Signup and view all the answers

Which device stores documents and graphics that can be accessed from any Web browser?

Web Server Signup and view all the answers

What is the purpose of the router in a network?

To make communication between client and server possible Signup and view all the answers

Which device has a motherboard with CPU, memory, and storage space?

Client Signup and view all the answers

Why does the client have a screen, keyboard, and mouse?

To display output and receive input from the user Signup and view all the answers

What kind of operating system can a client have?

Windows, Mac OS, or Linux Signup and view all the answers

What kind of operating system can a server have?

Web server software, Exchange Signup and view all the answers

What is the operating system on a router?

Cisco IOS Signup and view all the answers

What percentage of routers run Cisco IOS?

90% Signup and view all the answers

What is the purpose of the server in a network?

To respond to requests from computers on the network Signup and view all the answers

What is the purpose of the mail server in a network?

To handle and deliver email over the network Signup and view all the answers

Which of the following is NOT one of the four core IT capabilities within organizational settings mentioned in the text?

Protecting Data Signup and view all the answers

What are the three fundamental questions that the course of Data Communications and Networking aims to address?

How does the Internet work? Signup and view all the answers

What is the role of network layers in data communications networks?

Facilitating data transfer Signup and view all the answers

What is the purpose of network standards in data communications networks?

Defining network protocols Signup and view all the answers

What is the main objective of cyber security in data communications networks?

Ensuring data privacy Signup and view all the answers

What are the major components of data communications networks?

Network layers Signup and view all the answers

What are the three key trends in communications and networking mentioned in the text?

Emergence of cloud computing Signup and view all the answers

What is the first fundamental question addressed in the course of Data Communications and Networking?