Network Media and Devices: A Comprehensive Guide for Computer Networks

Question 1

Which feature distinguishes optical fiber cables?

Accepted Answer

Exceptional bandwidth and minimal latency

Answer

Vulnerability to electromagnetic interference

Answer

Affordability and ease of installation

Answer

Restricted transmission range

Question 2

To establish a high-speed internet connection between two buildings kilometers apart, which network media is most suitable?

Accepted Answer

Fiber Optic Cable

Answer

Twisted Pair Cable

Answer

Coaxial Cable

Answer

Wireless Media (Wi-Fi)

Question 3

Which network media type offers the highest data transmission capacity and lowest latency?

Accepted Answer

Fiber optic cable

Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Wireless media (Wi-Fi)

Question 4

Which network media type employs electromagnetic waves for data transmission, enabling wireless connectivity and enhanced mobility?

Accepted Answer

Wireless media

Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Fiber optic cable

Question 5

Which of the following is a transmission method, not a physical network media type?

Accepted Answer

Wireless

Answer

Twisted Pair Cable

Answer

Fiber Optic Cable

Answer

Coaxial Cable

Question 6

Why is fiber optic cable the preferred medium for high-speed, long-distance data transmission?

Accepted Answer

Its high bandwidth and low signal attenuation

Answer

Its durability and resistance to electromagnetic interference

Answer

Its ease of installation and maintenance

Answer

Its cost-effectiveness for large-scale deployments

Question 7

In contemporary high-speed networks, which network media type is predominantly employed?

Accepted Answer

Fiber optic cabling

Answer

Twisted pair copper cabling

Answer

Coaxial cabling

Answer

Wireless mediums

Question 8

Which of the following is a network device that connects and forwards data packets, rather than a type of network medium that transmits data signals?

Accepted Answer

Router

Answer

Twisted Pair Cable

Answer

Coaxial Cable

Answer

Fiber Optic Cable

Question 9

Which of the following is a type of guided network media used in computer networks?

Accepted Answer

Coaxial cable

Accepted Answer

Fiber optic cable

Answer

Microwave

Answer

Satellite

Question 10

Which of the following is a wireless transmission medium?

Accepted Answer

Radio waves

Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Optical fiber

Question 11

Among guided network media, which type offers the greatest bandwidth and resistance to electromagnetic interference?

Accepted Answer

Fiber optic cable

Answer

Twisted pair cable

Answer

Coaxial cable

Question 12

Which network medium provides the greatest bandwidth, despite being the most costly?

Accepted Answer

Fiber optic cable

Answer

Twisted-pair cable

Answer

Coaxial cable

Answer

Wireless medium

Question 13

What characteristic distinguishes coaxial cable from other network media?

Accepted Answer

Impedance of 75 ohms

Answer

High bandwidth capacity

Answer

Susceptibility to electromagnetic interference

Answer

Suitability for both indoor and outdoor cabling

Question 14

Which network media type transmits data without using a physical medium?

Accepted Answer

Microwave

Answer

Twisted Pair Cable

Answer

Fiber Optic Cable

Answer

Coaxial Cable

Question 15

In computer networks, which transmission mode is commonly used by fiber optic cables due to their unique properties?

Accepted Answer

Broadband transmission

Answer

Baseband transmission

Answer

Unguided transmission

Question 16

Which of the following is NOT a physical transmission medium used in wired networks?

Accepted Answer

Router

Answer

Twisted Pair Cable

Answer

Coaxial Cable

Answer

Fiber Optic Cable

Question 17

Identify the type of transmission media that is not guided.

Accepted Answer

Microwave

Answer

Coaxial cable

Answer

Fiber optic cable

Question 18

Which network media type enables data transmission over substantial distances without requiring physical cables or wires?

Accepted Answer

Wireless media

Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Fiber optic cable

Question 19

Which inherent characteristic of wireless transmission media makes it more susceptible to signal degradation?

Accepted Answer

Vulnerability to radio frequency interference (RFI)

Answer

Lower bandwidth capacity

Answer

Limited transmission range

Answer

Inherently higher latency

Question 20

Which network media type utilizes electromagnetic waves for wireless data transmission?

Accepted Answer

Wireless media

Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Fiber optic cable

Question 21

Which feature distinguishes a switch from other networking devices?

Accepted Answer

Forwarding traffic based on MAC addresses

Answer

Broadcasting data packets to all connected devices

Answer

Extending network reach over long distances

Answer

Serving as a central connection point

Question 22

Among guided transmission media, which one provides the highest bandwidth capacity and resistance to electromagnetic interference?

Accepted Answer

Fiber optic cable

Answer

Twisted pair copper cabling

Answer

Coaxial cable

Question 23

In the context of network media, which technology is employed for wired transmission?

Accepted Answer

Fiber Optic

Answer

Microwave

Answer

Infrared

Answer

Bluetooth

Question 24

Which network medium is ideal for transmitting data over long distances with minimal signal loss and delay?

Accepted Answer

Fiber Optic Cable

Answer

Twisted Pair Cable

Answer

Coaxial Cable

Answer

Wireless Media

Question 25

Which of the following is a wireless network media?

Accepted Answer

Bluetooth

Answer

Twisted pair cable

Answer

Fiber optic cable

Question 26

Which type of twisted pair cable is shielded?

Accepted Answer

STP

Answer

UTP

Question 27

Which transmission medium transmits data signals through electromagnetic waves, eliminating the need for physical cables or wires?

Accepted Answer

Wireless media

Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Fiber optic cable

Question 28

In comparison to other network media, what distinguishes fiber optic cables in terms of their transmission method?

Accepted Answer

Wavelength-division multiplexing (WDM), enhancing data transmission capacity

Answer

Multi-mode transmission, enabling simultaneous transmission of multiple signals

Answer

Support for both guided and unguided transmission modes, offering deployment flexibility

Answer

Spread spectrum transmission, improving signal resistance to interference

Question 29

In Local Area Networks (LANs), which twisted pair cable type is most commonly used due to its low cost, ease of installation, and adaptability?

Accepted Answer

Unshielded Twisted Pair (UTP)

Answer

Shielded Twisted Pair (STP)

Answer

Coaxial cable

Answer

Fiber optic cable

Question 30

Which network media type utilizes copper conductors and comes in shielded twisted pair (STP) and unshielded twisted pair (UTP) forms?

Accepted Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Fiber optic cable

Answer

Wireless media

Question 31

Which guided transmission medium provides the fastest data transfer speeds and the least signal delay in network communication?

Accepted Answer

Fiber Optic Cable

Answer

Twisted Pair Cable

Answer

Coaxial Cable

Answer

Wireless Media

Question 32

Which network medium employs electrical signals for data transmission and is made of twisted copper wires?

Accepted Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Fiber optic cable

Answer

Wireless medium

Question 33

Which of the following is NOT a physical layer characteristic of network media?

Accepted Answer

Topology

Answer

Bandwidth

Answer

Latency

Answer

Data rate

Question 34

Which wireless network media is commonly used in homes and offices?

Accepted Answer

Wi-Fi

Answer

Ethernet cable

Answer

Fiber optic cable

Answer

Coaxial cable

Question 35

In a network, which transmission characteristic is directly affected by the bandwidth capacity of the selected transmission medium?

Accepted Answer

Data rate

Answer

Signal strength

Answer

Propagation delay

Answer

Jitter

Question 36

In the context of network media, which option represents a transmission technology rather than a physical medium?

Accepted Answer

Wireless

Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Fiber optic cable

Question 37

Which of the following is **not** a guided transmission medium used in network communications?

Accepted Answer

Wireless Signal

Answer

Twisted Pair Cable

Answer

Coaxial Cable

Answer

Fiber Optic Cable

Question 38

Which of the following is not a type of network media?

Accepted Answer

Printer

Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Fiber optic cable

Question 39

Which network media offers the highest bandwidth and lowest signal loss over extended distances?

Accepted Answer

Fiber optic cable

Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Wireless media

Question 40

Which of the following is a network device, not a type of network media?

Accepted Answer

Router

Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Fiber optic cable

Question 41

Which of the following does NOT directly impact the transmission characteristics of guided media?

Accepted Answer

Type of connector

Answer

Data rate

Answer

Bandwidth

Answer

Distance between devices

Question 42

Which network media type offers the highest bandwidth and enables full-duplex communication?

Accepted Answer

Fiber optic cable

Answer

Twisted pair cable

Answer

Coaxial cable

Question 43

What is the main purpose of network applications in enabling communication and collaboration?

Accepted Answer

Network applications facilitate communication between computers on a network.

Answer

Network applications are only used for sharing files and devices.

Answer

Network applications are not required for network communication.

Answer

Network applications are solely intended for personal communication.

Question 44

How do emerging network media technologies like millimeter wave and visible light communications impact the design of future networks?

Accepted Answer

Increased bandwidth and reduced latency, enhancing network application performance.

Accepted Answer

Greater flexibility and adaptability in network configurations, accommodating diverse application needs.

Accepted Answer

Reduced dependence on wired infrastructure, enabling cost-effective and scalable network deployments.

Answer

Enhanced security measures, ensuring secure and reliable data transmission.

Question 45

Which of the following is an undesirable characteristic for a network medium?

Accepted Answer

High cost

Answer

High bandwidth

Answer

Low latency

Answer

Low error rate

Question 46

In a computer network, the primary role of a switch is to:

Accepted Answer

Interconnect devices within a single network

Answer

Direct data traffic between different networks

Answer

Provide wireless connectivity

Answer

Manage network security

Question 47

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

Accepted Answer

Connect a computer to a network

Answer

Store data for the network

Answer

Direct data packets between networks

Answer

Provide wireless connectivity

Question 48

In a network, a repeater serves to:

Accepted Answer

Amplify and regenerate signals

Answer

Connect dissimilar networks

Answer

Provide wireless connectivity

Answer

Manage network security

Question 49

Which standard governs Ethernet technology?

Accepted Answer

IEEE 802.3

Answer

IEEE 802.11

Answer

ITU-T G.992.1

Answer

TIA-568-C.2

Question 50

Which practice is most effective for securing a wireless network?

Accepted Answer

Using strong encryption and authentication.

Answer

Keeping the default SSID and password.

Answer

Disabling MAC address filtering.

Question 51

Which network medium transmits data over long distances and offers high bandwidth, utilizing fiber optic cables?

Accepted Answer

Fiber optic cable

Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Microwave

Question 52

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

Accepted Answer

Establish a physical connection between a device and a network

Answer

Provide internet access

Answer

Store data on a network

Answer

Filter network traffic

Question 53

How do switches and routers differ in their functions within a network?

Accepted Answer

Switches connect devices within a LAN, while routers connect different networks.

Answer

Routers connect devices within a LAN, while switches connect different networks.

Answer

Switches are typically faster than routers.

Answer

Routers are more expensive than switches.

Question 54

In a star topology network, how are devices connected?

Accepted Answer

Directly to a central hub

Answer

In a circular loop

Answer

Through multiple interconnected switches

Answer

Wirelessly without any central point

Question 55

What is the main purpose of a modem in a network?

Accepted Answer

Convert digital signals into analog signals for transmission over telephone lines

Answer

Convert analog signals into digital signals for transmission over network cables

Answer

Encrypt data before transmission

Answer

Provide firewall protection

Question 56

Which characteristic is NOT typically associated with fiber optic cables?

Accepted Answer

Susceptibility to electromagnetic interference (EMI)

Answer

High bandwidth capacity

Answer

Low signal attenuation

Answer

Lightweight and flexible

Question 57

What is the purpose of a MAC address in a network?

Accepted Answer

Uniquely identify a device on the network

Answer

Assign a unique IP address to each device

Answer

Control access to network resources

Answer

Store user data and preferences

Question 58

When installing fiber optic cables outdoors, which of the following is a potential drawback?

Accepted Answer

Challenging installation and maintenance

Answer

High bandwidth

Answer

Low latency

Answer

Immunity to electromagnetic interference

Question 59

Which network media type is the most environmentally sustainable and why?

Accepted Answer

Fiber optic cables, due to their longer lifespan and lower energy consumption

Answer

Copper cables, due to their lower production energy requirements

Answer

Wireless networks, due to the elimination of physical cabling

Question 60

Which function is NOT performed by network management protocols like SNMP?

Accepted Answer

Providing encryption and authentication for network traffic

Answer

Monitoring network performance (e.g., bandwidth, latency)

Answer

Configuring network devices (e.g., routers, switches)

Answer

Troubleshooting network issues (e.g., link failures, routing problems)

Question 61

Identify the transmission medium that is NOT guided?

Accepted Answer

Infrared

Answer

Coaxial cable

Answer

Optical fiber

Answer

Twisted pair cable

Question 62

Which network device primarily interconnects multiple networks?

Accepted Answer

Router

Answer

Switch

Answer

Hub

Answer

Modem

Question 63

What is the primary purpose of a MAC address?

Accepted Answer

To uniquely identify a device on a network

Answer

To route data packets between networks

Answer

To provide encryption for data transmission

Answer

To store user data

Question 64

What is the primary function of a network protocol?

Accepted Answer

To establish communication rules between devices

Answer

To provide security for data transmission

Answer

To manage network resources

Answer

To store and retrieve data