Title: Communication Cable Multiple Choice Questions

栏目：smart line news 时间：2024-10-01 17:30:22 阅读：11917

This article presents a series of multiple choice questions related to communication cable. The questions are designed to test knowledge and understanding of communication cable concepts, including its types, applications, and industry standards. The article provides a convenient way for readers to review and reinforce their knowledge of communication cable. Whether you are a student, educator, or industry professional, these questions can help you identify and improve areas where needed, providing a more comprehensive understanding of communication cable.

Communication cables are essential for connecting various devices and systems together, enabling the transmission of information and data. They are used in a wide range of applications, including telephone lines, internet connections, and even power distribution. As such, it is important to have a good understanding of communication cables and their characteristics. To aid in this understanding, multiple choice questions (MCQs) are provided below.

1、What is the most common type of communication cable used for telephone lines?

A. Twisted pair cable

B. Coaxial cable

C. Fiber optic cable

D. Ethernet cable

2、Which type of communication cable has the highest bandwidth capacity?

A. Twisted pair cable

B. Coaxial cable

C. Fiber optic cable

D. Ethernet cable

3、How does a coaxial cable differ from a twisted pair cable?

A. Coaxial cables have two conductors running parallel to each other, while twisted pair cables have two conductors twisted together.

B. Coaxial cables have two conductors running perpendicular to each other, while twisted pair cables have two conductors twisted together.

C. Coaxial cables have two conductors running parallel to each other, while twisted pair cables have two conductors running perpendicular to each other.

D. The two conductors in coaxial cables are separated by a dielectric material, while in twisted pair cables they are not.

4、What is the term for the process of converting an analog signal into a digital signal for transmission over a communication cable?

A. Sampling

B. Quantizing

C. Encoding

D. Modulating

5、How does a communication cable experience attenuation?

A. By reducing the amplitude of the signal as it travels through the cable

B. By increasing the frequency of the signal as it travels through the cable

C. By reducing the bandwidth capacity of the cable as it ages

D. By increasing the impedance of the cable as it is bent or stretched

6、What is the most common way to measure the length of a communication cable?

A. By counting the number of twists in the cable

B. By measuring the distance between the two ends of the cable using a ruler or tape measure

C. By weighing the cable and using gravity to determine its length

D. By using a special tool that can detect the presence of signals traveling through the cable

7、Communication cables are often protected from interference by using which type of shielding?

A. Copper shielding

B. Aluminum shielding

C. Steel shielding

D. None of the above

8、How does a receiver detect a signal transmitted over a communication cable?

A. By measuring the amplitude of the signal at the output of the receiver

B. By measuring the frequency of the signal at the output of the receiver

C. By measuring the phase of the signal at the output of the receiver

D. By measuring all three characteristics of the signal at the output of the receiver

9、What is the process of combining multiple signals onto a single communication cable called?

A. Multiplexing

B. Demultiplexing