Network Media: Types, Transmission Modes, and Topologies

Question 1

What is the maximum theoretical data transfer rate supported by Category 6 copper cable?

Accepted Answer

1 Gbps

Answer

100 Mbps

Answer

10 Gbps

Question 2

What is the primary function of a network interface card (NIC) in a computer system?

Accepted Answer

To provide physical connectivity to a network

Answer

To manage and secure network traffic

Answer

To store and process network data

Question 3

Which transmission mode allows data to flow in both directions simultaneously?

Accepted Answer

Full-duplex

Answer

Simplex

Answer

Half-duplex

Question 4

What type of fiber optic cable supports multiple modes of light propagation?

Accepted Answer

Multi-mode fiber

Answer

Single-mode fiber

Answer

Plastic optical fiber

Question 5

What is the function of a repeater in a network?

Accepted Answer

To amplify and regenerate signals

Answer

To filter and route network traffic

Answer

To provide security for network communications

Answer

To store network configuration data

Question 6

Which network media type is commonly found in telephone lines and Ethernet cables?

Accepted Answer

Copper

Answer

Fiber optic

Answer

Wireless

Answer

Coaxial

Question 7

Which network topology involves connecting all devices to a centralized junction?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Question 8

Which fiber optic cable type offers the highest bandwidth and is ideal for long-distance transmission?

Accepted Answer

Single-mode fiber

Answer

Multi-mode fiber

Answer

Plastic optical fiber

Question 9

Which wireless technology provides high-speed internet access over short distances?

Accepted Answer

Wi-Fi

Answer

Cellular

Answer

Bluetooth

Question 10

Which network media type is ill-suited for applications requiring high bandwidth?

Accepted Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Fiber optic cable

Question 11

Which full-duplex transmission method relies on collision detection?

Accepted Answer

CSMA/CD

Answer

CSMA/CA

Answer

TDMA

Question 12

Which option is NOT a type of network media?

Accepted Answer

Bluetooth

Answer

Copper

Answer

Fiber optic

Answer

Coaxial

Question 13

Which of the following is a characteristic of a full-duplex transmission mode?

Accepted Answer

Data can flow in both directions simultaneously

Answer

Data can flow in only one direction

Answer

Devices take turns transmitting

Answer

Data transmission is always unidirectional

Question 14

What is the main purpose of a network interface card (NIC)?

Accepted Answer

To connect a computer to a network

Answer

To convert digital data into analog signals

Answer

To provide security for network traffic

Answer

To store network configuration settings

Question 15

Which of the following is a type of guided transmission medium?

Accepted Answer

Copper

Answer

Microwave

Answer

Infrared

Answer

Radio waves

Question 16

What is the difference between a physical topology and a logical topology?

Accepted Answer

A physical topology describes the physical layout of the network, while a logical topology describes the way data flows through the network.

Answer

A logical topology describes the physical layout of the network, while a physical topology describes the way data flows through the network.

Answer

Both physical and logical topologies describe the physical layout of the network.

Answer

Both physical and logical topologies describe the way data flows through the network.

Question 17

Which transmission mode permits data flow in only one direction at a time?

Accepted Answer

Simplex

Answer

Half-duplex

Answer

Full-duplex

Question 18

In a ring network topology, how are devices connected to each other?

Accepted Answer

Circularly

Answer

Linearly

Answer

Hierarchically

Question 19

Which transmission mode is commonly employed in Ethernet networks, facilitating efficient data transfer?

Accepted Answer

Full-duplex

Answer

Simplex

Answer

Half-duplex

Question 20

Which network topology provides redundancy and resilience by interconnecting devices in a closed loop?

Accepted Answer

Ring

Answer

Bus

Answer

Star

Question 21

In a fiber optic cable, the light signal is typically transmitted in which mode?

Accepted Answer

Guided

Answer

Unguided

Answer

Half-duplex

Answer

Full-duplex

Question 22

Which network topology allows all devices to communicate directly with each other?

Accepted Answer

Mesh topology

Answer

Bus topology

Answer

Star topology

Answer

Ring topology

Question 23

Which of the following is NOT a type of fiber optic connector?

Accepted Answer

RJ-45 connector

Answer

SC connector

Answer

LC connector

Answer

ST connector

Question 24

A network that connects devices within a limited geographical area is known as a:

Accepted Answer

LAN (Local Area Network)

Answer

WAN (Wide Area Network)

Answer

MAN (Metropolitan Area Network)

Answer

PAN (Personal Area Network)

Question 25

Which of the following is a disadvantage of using fiber optic cables in a network?

Accepted Answer

They are generally more expensive than copper cables.

Answer

They are lightweight and easy to install.

Answer

They are immune to electromagnetic interference.

Answer

They are suitable for long-distance data transmission with minimal signal loss.

Question 26

Which type of network media offers high bandwidth and supports long-distance transmissions?

Accepted Answer

Fiber optic cable

Answer

Copper cable

Answer

Wireless technology

Answer

Coaxial cable

Question 27

Which network topology arranges devices in a linear fashion, connected to a central cable?

Accepted Answer

Bus

Answer

Star

Answer

Ring

Question 28

Which of the following is not a distinguishing feature of fiber optic cables?

Accepted Answer

Vulnerability to electromagnetic interference

Answer

Impressive bandwidth capacity

Answer

Minimal signal loss

Answer

Transmission of light signals

Question 29

For a network requiring flexibility, portability, and ease of installation, which type of network media would be most appropriate?

Accepted Answer

Wireless technology

Answer

Coaxial cable

Answer

Twisted pair

Answer

Fiber optic cable

Question 30

Which protocol is primarily used to establish wireless network connections?

Accepted Answer

Wi-Fi

Answer

TCP/IP

Answer

IEEE 802.3

Answer

SONET

Question 31

In telephone networks, which type of network media is commonly employed?

Accepted Answer

Twisted pair

Answer

Coaxial cable

Answer

Fiber optic cable

Answer

Radio waves

Question 32

Within a building, what type of cable is primarily used to connect devices?

Accepted Answer

Patch cable

Answer

Backbone cable

Answer

Demarcation cable

Answer

Coaxial cable

Question 33

Which type of copper cable is commonly used for telephone lines?

Accepted Answer

Twisted-pair cable

Answer

Coaxial cable

Answer

Fiber optic cable

Answer

Shielded twisted-pair cable

Question 34

Which of the following is an advantage of fiber optic cable over copper cable?

Accepted Answer

Faster transmission speeds

Answer

Lower bandwidth

Answer

Higher cost

Answer

Greater susceptibility to EMI

Question 35

Which network topology consists of devices connected to a central hub?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Answer

Mesh

Question 36

Which network device is used to connect different network segments?

Accepted Answer

Router

Answer

Switch

Answer

Hub

Answer

Modem

Question 37

Which of the following is NOT a type of physical network media?

Accepted Answer

Software

Answer

Copper

Answer

Fiber optic

Answer

Wireless

Question 38

Which transmission mode allows data to travel in only one direction at a time?

Accepted Answer

Simplex

Answer

Half-duplex

Answer

Full-duplex

Question 39

In a star network topology, which device connects all other devices?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Question 40

Which type of network media typically has the highest bandwidth capacity?

Accepted Answer

Fiber optic

Answer

Copper

Answer

Wireless

Question 41

Which of the following is NOT an advantage of fiber optic cables?

Accepted Answer

Easy to install

Answer

High bandwidth

Answer

Low electromagnetic interference

Answer

Secure data transmission

Question 42

Which of the following factors does NOT affect the bandwidth of a network medium?

Accepted Answer

Number of users

Answer

Media type

Answer

Cable length

Answer

Signal quality

Question 43

For a full-duplex connection, what is the minimum number of wires typically required?

Accepted Answer

4

Answer

2

Answer

6

Question 44

Which type of network media is known for its high bandwidth, low signal attenuation, and immunity to electromagnetic interference?

Accepted Answer

Fiber optic cable

Answer

Coaxial cable

Answer

Wireless (radio waves)

Answer

Twisted-pair cable

Question 45

In a network using a bus topology, what happens if a single cable segment fails?

Accepted Answer

The entire network segment will be disrupted.

Answer

The network will automatically switch to a different cable segment.

Answer

The network will continue to operate normally.

Answer

Only the devices connected to that segment will be affected.

Question 46

What is the primary difference between half-duplex and full-duplex transmission modes?

Accepted Answer

Half-duplex allows transmission in only one direction at a time, while full-duplex allows simultaneous transmission in both directions.

Answer

Half-duplex is faster than full-duplex.

Question 47

Which of the following network media is most susceptible to interference from external sources?

Accepted Answer

Twisted-pair cable

Answer

Microwave transmission

Answer

Fiber optic cable

Answer

Coaxial cable

Question 48

In a star topology, what happens if the central device (hub or switch) fails?

Accepted Answer

All devices connected to the central device will lose connectivity.

Answer

The network will continue to operate normally.

Answer

Only the device connected directly to the failed central device will lose connectivity.

Question 49

Which type of network media is typically used for short-distance connections within a building or between adjacent buildings?

Accepted Answer

Twisted-pair cable

Answer

Coaxial cable

Answer

Microwave transmission

Answer

Fiber optic cable

Question 50

What is the primary advantage of using a ring topology compared to a bus topology?

Accepted Answer

A ring topology offers better fault tolerance as data can travel in both directions.

Answer

A ring topology is more scalable than a bus topology.

Answer

A ring topology is simpler to implement than a bus topology.

Question 51

Which of the following is NOT a characteristic of wireless network media?

Accepted Answer

High bandwidth compared to wired connections

Answer

Limited range of transmission

Answer

Ease of installation and mobility

Answer

Susceptibility to interference from other wireless devices

Question 52

You are designing a network for a large corporation that requires high bandwidth and long-distance connectivity. Which type of network media would be the most suitable choice?

Accepted Answer

Fiber optic cable

Answer

Twisted-pair cable

Answer

Wireless (radio waves)

Answer

Coaxial cable

Question 53

What is the primary function of a network interface card (NIC) in a computer network?

Accepted Answer

To enable the computer to communicate with the network.

Answer

To store network data.

Answer

To manage network security.