Data Communications and Networking
Exam Questions and Answers 2024-2025
Information or intelligence that has been processed and organized into its digital form. -
Correct Answer ✔Data
What are the 7 Forms of Data? -Correct Answer ✔1. Voice
2. Video
3. Picture
4. Texts
5. Numeric
6. Microprocessor Op Codes
7. ASCII
It's a two-way process of exchanging intelligent information from one point to another. -
Correct Answer ✔Communication
It concerns itself with the transmission (sending and receiving) of information between
two locations with the aid of computers. -Correct Answer ✔Data Communications
It is the process of communicating information in a binary form between two points in
such a way that data must be translated into a special code for transmission. -Correct
Answer ✔Data Communications
This means sending information between machines that are connected by physical
wires or radio links. -Correct Answer ✔Data Communications
It is the field of computer science concerned with the transfer of data from one computer
to another. -Correct Answer ✔Data Communications
It is the sending and receiving of data via any communications medium, such as a
telephone line. -Correct Answer ✔Data Communications
3 Basic Components of Data Communications -Correct Answer ✔1. Transmitter or
Source
2. Communication/Transmission Path or Communication/Transmission Medium
3. Receiver or Destination.
What are the UNIVERSAL Seven-Part Data Circuit? -Correct Answer ✔1. DTE at Point
A.
2. Interface between the DTE and DCE at Point A.
3. DCE at Point A
4. Transmission channel between Point A and Point B.
Data Communications and Networking Exam
,Data Communications and Networking Exam
5. DCE at Point B
6. Interface between the DCE and DTE at Point B.
7. DTE at Point B.
What are the 5 Components of Communications System? -Correct Answer ✔1. Source
2. Transmitter
3. Transmission System
4. Receiver
5. Destination
It generates data to be transmitted. -Correct Answer ✔Source
It converts data into transmittable signals. -Correct Answer ✔Transmitter
It carries data. -Correct Answer ✔Transmission System
It converts received signal into data. -Correct Answer ✔Receiver
It takes incoming data. -Correct Answer ✔Destination
It includes all data processing equipments. -Correct Answer ✔Data Terminal Equipment
(DTE)
A device capable of establishing, maintaining, and terminating a connection. -Correct
Answer ✔Data Commmunications Equipment (DCE)
It may consists of physical circuit such as wires, cables, optical wires, and serve as a
highway of data. -Correct Answer ✔Communication Link (Medium)
It is a collection of computing devices that are connected in various ways in order to
communicate and share resources. -Correct Answer ✔Computer Network
It connects two or more autonomous computers. -Correct Answer ✔Computer Network
It can be defined as a single computer, called a host, together with communication
circuits, communication equipment, and terminals. -Correct Answer ✔Computer
Network
Defined as two or more computers connected via a communication medium, together
with associated communication links, terminals, and communications equipment. -
Correct Answer ✔Computer Network
What are the 6 Components of Computer Network -Correct Answer ✔1. Data or
Information
Data Communications and Networking Exam
, Data Communications and Networking Exam
2. Node
3. Protocol
4. Communication Medium or Media
5. Network Equipment
6. Software
These are any end devices connected to a computer network. -Correct Answer ✔Node
This is the set of rules and standards. -Correct Answer ✔Protocol
These can be wired or wireless. -Correct Answer ✔Communication Medium or Media
Examples of this are switches, hubs, routers, and modems. -Correct Answer ✔Network
Equipment
The programs and other operating information used by a computer. -Correct Answer
✔Software
These are the guidelines that have been generally accepted by the data communication
industry. -Correct Answer ✔Standards
What are the 2 Types of Standards? -Correct Answer ✔1. Proprietary (Closed) System
2. Non-Proprietary (Open) System
This is a type of standard that is manufactured and controlled by one company. -Correct
Answer ✔Proprietary (Closed) System
This is a type of standard where any company can produce compatible equipment or
software. -Correct Answer ✔Non-Proprietary (Open) System
What are the 6 Standards Organizations for Data Communications? -Correct Answer
✔1. International Standards Organization (ISO)
2. Consultative Commitee for International Telephony & Telegraphy (CCITT)
3. American National Standard Institute (ANSI)
4. Institute of Electrical and Electronics Engineers (IEEE)
5. Electronics Industries Association (EIA)
6. Standards Council of Canada (SCC)
Every computer on a network is called a ____ or ___ ______. -Correct Answer ✔Host
or End Device
These are the computers that provide information to end devices. -Correct Answer
✔Servers
Data Communications and Networking Exam