Network Media and Devices: Types, Devices, and Interfaces

Question 1

Which type of network media offers the greatest transmission speeds and is often used for long-distance data transfer?

Accepted Answer

Optical fiber

Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Wireless

Question 2

Identify the wireless network security protocol from the following list:

Accepted Answer

WPA2

Answer

Ethernet

Answer

RJ-45

Answer

Fiber Distributed Data Interface (FDDI)

Question 3

Which type of cable is commonly employed for short-distance data transmission, such as connecting a computer to a router?

Accepted Answer

Ethernet cable

Answer

Crossover cable

Answer

Fiber optic cable

Answer

Telephone cable

Question 4

What is the primary purpose of a router in a network?

Accepted Answer

Interconnecting different networks

Answer

Controlling network access

Answer

Amplifying network signals

Answer

Storing network data

Question 5

What networking term describes the logical connection established between two devices?

Accepted Answer

Socket

Answer

Protocol

Answer

Port

Answer

Datagram

Question 6

The primary function of a router is to:

Accepted Answer

Forward data packets between networks

Answer

Connect devices to a network

Answer

Amplify network signals

Answer

Provide network security

Question 7

Which type of network media is known for its high bandwidth and resilience to electromagnetic interference?

Accepted Answer

Fiber optic cable

Answer

Copper cable

Answer

Coaxial cable

Answer

Twisted pair cable

Question 8

Which of the following is NOT a layer in the TCP/IP model?

Accepted Answer

Network Access layer

Answer

Internet layer

Answer

Transport layer

Answer

Application layer

Question 9

What type of network topology has a central device that all other devices connect to?

Accepted Answer

Star topology

Answer

Bus topology

Answer

Ring topology

Answer

Mesh topology

Question 10

Which of the following is a common type of wireless network encryption?

Accepted Answer

WPA2

Answer

HTTP

Answer

SMTP

Answer

TCP/IP

Question 11

What is the maximum transmission distance for a standard Category 5 Ethernet cable?

Accepted Answer

100 meters

Answer

50 meters

Answer

200 meters

Answer

500 meters

Question 12

Which type of fiber optic cable uses a glass core and supports high-speed data transmission over long distances?

Accepted Answer

Single-mode fiber

Answer

Multi-mode fiber

Answer

Plastic fiber

Answer

Copper fiber

Question 13

What is the specific purpose of using a crossover cable?

Accepted Answer

To connect two computers directly

Answer

To connect a computer to a router or switch

Answer

To connect a router to a switch

Answer

To connect a switch to a hub

Question 14

Which of the following is NOT a type of network media used for data transmission?

Accepted Answer

Software

Answer

Copper

Answer

Fiber

Answer

Wireless

Question 15

Which of the following network devices operates at the Layer 2 (data link layer) of the OSI model?

Accepted Answer

Switch

Answer

Router

Answer

Firewall

Answer

Modem

Question 16

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

Accepted Answer

Connecting the computer to a network

Answer

Storing network configuration settings

Answer

Routing network traffic

Answer

Providing internet access

Question 17

Which wireless security protocol offers the highest level of encryption and protection against unauthorized access?

Accepted Answer

WPA3

Answer

WEP

Answer

WPA

Answer

WPA2

Question 18

What is the primary function of a spanning tree protocol in a network?

Accepted Answer

Preventing network loops

Answer

Providing redundancy in network connections

Answer

Assigning IP addresses to devices

Answer

Controlling network traffic flow

Question 19

Which of the following is NOT an advantage of using fiber optic cables for data transmission?

Accepted Answer

Low cost

Answer

High bandwidth capacity

Answer

Low latency

Answer

Immunity to electromagnetic interference

Question 20

What is the primary purpose of a network management system (NMS) in network administration?

Accepted Answer

Monitoring and managing network devices

Answer

Providing network security

Answer

Configuring network settings

Answer

Troubleshooting network problems

Question 21

What is the key distinction between the physical topology and logical topology of a network?

Accepted Answer

Physical topology refers to the actual physical layout of the network, while logical topology describes how data flows through the network.

Answer

Logical topology refers to the actual physical layout of the network, while physical topology describes how data flows through the network.

Answer

Physical and logical topologies are identical concepts.

Answer

There is no difference between physical and logical topologies.

Question 22

Which type of fiber optic cable is ideally suited for long-distance data transmission due to its ability to support a single light mode, minimizing signal distortion and dispersion?

Accepted Answer

Single-mode fiber

Answer

Plastic optical fiber (POF)

Answer

Multi-mode fiber

Answer

Ribbon fiber

Question 23

In a network, what is the fundamental purpose of a router?

Accepted Answer

To facilitate communication between different networks and route data packets based on their destination network addresses

Answer

To provide physical connectivity between devices on the network

Answer

To amplify signals to extend the reach of network transmissions

Question 24

In computer networks, which switching device operates at Layer 2 of the OSI model and forwards data frames based solely on their destination MAC addresses?

Accepted Answer

Layer 2 switch

Answer

Layer 3 switch

Answer

Gateway

Answer

Hub

Question 25

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

Accepted Answer

To provide a physical interface between a device and a network segment, enabling data transmission and reception

Answer

To manage and route network traffic between different networks

Answer

To store and manage network configurations

Answer

To provide wireless connectivity to a device

Question 26

In network transmission modes, which characteristic is unique to full-duplex mode?

Accepted Answer

Simultaneous data transmission in both directions on a network link

Answer

Higher error rates compared to half-duplex mode

Answer

Lower bandwidth utilization compared to half-duplex mode

Answer

Data transmission restricted to one direction at a time

Question 27

When is a crossover cable typically used in network connectivity?

Accepted Answer

To directly connect two network devices, such as computers or switches, without the need for an intermediate hub or switch

Answer

To provide enhanced security by encrypting data during transmission

Answer

To extend the transmission distance between devices beyond the limitations of standard Ethernet cables

Question 28

Which wireless network technology operates within the 2.4 GHz frequency band, providing a balance between range and throughput?

Accepted Answer

Wi-Fi 802.11b

Answer

Wi-Fi 802.11n

Answer

Wi-Fi 802.11ac

Answer

Bluetooth

Question 29

In the context of network security, what is the primary function of a firewall?

Accepted Answer

To monitor and control incoming and outgoing network traffic, allowing or blocking data packets based on predefined security rules

Answer

To provide secure remote access to a network through encryption and authentication mechanisms

Answer

To encrypt data before transmission to ensure its confidentiality and integrity

Question 30

Which type of intrusion detection system (IDS) monitors and analyzes network traffic or system activity on a specific host or device?

Accepted Answer

Host-based IDS

Answer

Security audit

Answer

IDS firewall

Answer

Packet sniffer