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Unit Viii Information And Communication Technology (Ict)
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Network Devices – Quiz 22
Network Devices Quiz 22 (10 MCQs)
This set of multiple-choice questions evaluates knowledge of network devices, including LAN cards, NICs, and switches, and their functions in data transmission and network connectivity. It covers concepts such as the OSI model, client-server model, and physical layer devices like repeaters and transceivers. The questions assess understanding of network protocols, internet communication, and the role of devices like modems and wireless routers.
Quiz Instructions
Select an option to see the correct answer instantly.
1.
A computer that shares its resources and information with other computers, called clients, on a network.
A) Server.
B) Shareware.
C) Disk drive.
D) None of the above.
Show Answer
Correct Answer:
Correct answer is: (A) Server.
Exam Relevance:
CCNA, CompTIA Network+, CIW Network Specialist
Difficulty:
Easy
Concept notes:
A server is a computer that shares its resources and information with other computers, called clients, on a network.
Common Mistakes:
A common misunderstanding is that a server is only a software program, but it is actually a physical computer that provides services to other computers on a network.
Explanations:
A server is designed to manage network resources and provide services to clients. It can share files, applications, and other resources with multiple clients simultaneously. This makes it the correct answer as it fits the description of a computer that shares its resources and information with other computers on a network.
Option Analysis:
Option A:
Correct. A server is a computer that shares its resources and information with other computers on a network.
Option B:
Incorrect. Shareware is software that is distributed freely for a trial period but requires payment for continued use.
Option C:
Incorrect. A disk drive is a hardware component used for storing and retrieving digital data.
Option D:
Incorrect. This option is not applicable as the correct answer is provided in the other options.
2.
What is the other name for LAN Card?
A) Network Connector.
B) Internet Card.
C) NIC.
D) MODEM.
Show Answer
Correct Answer:
Correct answer is: (C) NIC.
Exam Relevance:
CCNA, CompTIA Network+, CIW Network Specialist
Difficulty:
Easy
Concept notes:
A LAN Card, also known as a Network Interface Card (NIC), is a hardware component that allows a computer to connect to a network.
Common Mistakes:
A common misunderstanding is that a LAN Card and a MODEM are the same. However, a MODEM is used for connecting to the internet over telephone lines or cable, while a NIC is used for connecting to a local network.
Explanations:
A LAN Card is also referred to as a Network Interface Card (NIC). The NIC is responsible for enabling communication between a computer and a network, allowing data to be transmitted and received over the network.
Option Analysis:
Option A:
Network Connector is not a standard term for a LAN Card. It is a vague term that could refer to various network components.
Option B:
Internet Card is not a standard term for a LAN Card. It is more commonly associated with devices that provide internet connectivity, such as a wireless adapter.
Option C:
NIC is the correct term for a LAN Card. It stands for Network Interface Card and is the standard terminology used in networking.
Option D:
MODEM is a device used to connect to the internet, not a LAN Card. It modulates and demodulates signals for transmission over telephone lines or cable.
Mnemonic:
NIC = Network Interface Card
3.
This network device connects a number of other devices and sends data to one specific device only.
A) Hub.
B) Switch.
C) Bridge.
D) Router.
Show Answer
Correct Answer:
Correct answer is: (B) Switch.
Exam Relevance:
CCNA, CompTIA Network+, CIW Network Specialist
Difficulty:
Moderate
Concept notes:
A switch is a network device that connects multiple devices and forwards data to the specific device it is intended for, rather than broadcasting it to all connected devices.
Common Mistakes:
A common misunderstanding is that a hub also sends data to one specific device, but a hub broadcasts data to all connected devices, not just the intended recipient.
Explanations:
A switch is designed to send data to a specific device by examining the destination MAC address in the data frame and forwarding it only to the appropriate port. This makes the switch more efficient and secure compared to a hub, which broadcasts data to all connected devices.
Option Analysis:
Option A:
A hub broadcasts data to all connected devices, not just the intended recipient.
Option B:
A switch forwards data to the specific device it is intended for, making it the correct answer.
Option C:
A bridge connects two network segments and forwards data based on MAC addresses, but it does not necessarily send data to one specific device only.
Option D:
A router forwards data between different networks based on IP addresses, but it does not necessarily send data to one specific device only within a single network.
4.
A wireless internet router is a transceiver because .....
A) It allows us to send and receive messages.
B) It allows us only to send messages.
C) It allows us only to listen to messages.
D) It allows us only to receive messages.
Show Answer
Correct Answer:
Correct answer is: (A) It allows us to send and receive messages.
Exam Relevance:
CCNA, CompTIA Network+, CIW Network Specialist
Difficulty:
Easy
Concept notes:
A transceiver is a device that can both transmit and receive data. In the context of network devices, a wireless internet router functions as a transceiver because it enables bidirectional communication.
Common Mistakes:
A common misunderstanding is that a router only sends or receives data, but it actually performs both functions simultaneously.
Explanations:
A wireless internet router is a transceiver because it allows us to send and receive messages. This is because the router is designed to both transmit data to other devices and receive data from them, facilitating two-way communication over a network.
Option Analysis:
Option A:
Correct. A router allows bidirectional communication, enabling both sending and receiving messages.
Option B:
Incorrect. A router does not only send messages; it also receives them.
Option C:
Incorrect. A router does not only listen to messages; it also sends them.
Option D:
Incorrect. A router does not only receive messages; it also sends them.
Mnemonic:
Transmit and Receive, Two-Way Street
5.
The following are types of devices that can connect to a network EXCEPT
A) Laptop.
B) Smartphones.
C) Desktop computer.
D) Typewriter.
Show Answer
Correct Answer:
Correct answer is: D
Exam Relevance:
IT Essentials, CompTIA Network+
Difficulty:
Easy
Concept notes:
Network devices are electronic devices that can connect to a network to send and receive data.
Common Mistakes:
A common mistake is assuming that any electronic device can connect to a network.
Explanations:
A typewriter is a mechanical device used for typing and does not have the capability to connect to a network. Laptops, smartphones, and desktop computers, on the other hand, are electronic devices that can connect to a network to send and receive data.
Option Analysis:
Option A:
Laptops can connect to networks via Wi-Fi or Ethernet.
Option B:
Smartphones can connect to networks via cellular data or Wi-Fi.
Option C:
Desktop computers can connect to networks via Ethernet or Wi-Fi.
Option D:
Typewriters are mechanical devices and cannot connect to networks.
6.
A device operating at the physical layer is called a .....
A) Router.
B) Repeater.
C) None of the Above.
D) All the above.
Show Answer
Correct Answer:
Correct answer is: (B) Repeater.
Exam Relevance:
CCNA, CompTIA Network+, CIW Network Specialist
Difficulty:
Easy
Concept notes:
A device operating at the physical layer is called a repeater. The physical layer is responsible for the transmission and reception of raw bit streams over a communication channel.
Common Mistakes:
A common misunderstanding is that routers or other higher-layer devices might operate at the physical layer. However, routers operate at the network layer, not the physical layer.
Explanations:
A repeater operates at the physical layer of the OSI model. It amplifies or regenerates the signal to extend the range of the network. It does not perform any data processing or decision-making, which is why it is classified as a physical layer device.
Option Analysis:
Option A:
A router operates at the network layer, not the physical layer.
Option B:
A repeater operates at the physical layer, making it the correct answer.
Option C:
This option is incorrect because a repeater is a valid device operating at the physical layer.
Option D:
This option is incorrect because not all devices operate at the physical layer.
7.
A device used to connect two networks that have different protocols.
A) A Gateway.
B) A Bridge.
C) A Switch.
D) A Server.
Show Answer
Correct Answer:
Correct answer is: (A) A Gateway.
Exam Relevance:
CCNA, CompTIA Network+, CISSP
Difficulty:
Moderate
Concept notes:
A gateway is a device that connects two networks with different protocols, allowing them to communicate with each other.
Common Mistakes:
A common mistake is confusing a gateway with a bridge or a switch, which are used to connect networks with the same protocol.
Explanations:
A gateway is specifically designed to connect networks that use different protocols. It can translate and route data between these networks, making it the correct choice for this scenario. Bridges and switches are used to connect networks with the same protocol, while servers are used for data storage and processing, not for connecting different protocols.
Option Analysis:
Option A:
A Gateway is correct because it connects networks with different protocols.
Option B:
A Bridge connects networks with the same protocol, not different ones.
Option C:
A Switch also connects networks with the same protocol, not different ones.
Option D:
A Server is used for data storage and processing, not for connecting different protocols.
Mnemonic:
GATE: Gateway Allows Translation and Exchange
8.
What do we call the device that allows your computer to communicate with the internet?
A) Modem.
B) Peripheral.
C) Mydacam.
D) Ethernet.
Show Answer
Correct Answer:
Correct answer is: (A) Modem.
Exam Relevance:
CCNA, CompTIA Network+, Network+ Essentials
Difficulty:
Easy
Concept notes:
A modem is a device that enables a computer to connect to the internet by converting digital signals to analog signals and vice versa.
Common Mistakes:
A common mistake is confusing a modem with other network devices like routers or switches, which serve different functions.
Explanations:
A modem is the device that allows your computer to communicate with the internet by converting digital signals to analog signals and vice versa. This conversion is necessary because the internet uses analog signals, while computers use digital signals.
Option Analysis:
Option A:
Correct. A modem is the device that enables internet communication by converting digital signals to analog signals and vice versa.
Option B:
Incorrect. A peripheral is a device that connects to a computer but does not specifically enable internet communication.
Option C:
Incorrect. "Mydacam" is not a recognized term in networking or computer technology.
Option D:
Incorrect. Ethernet is a type of network technology used for wired connections but does not specifically enable internet communication.
9.
Which connection physically connects the end device to the network?
A) Port.
B) NIC.
C) Interface.
D) None of above.
Show Answer
Correct Answer:
Correct answer is: (B) NIC.
Exam Relevance:
CCNA, CompTIA Network+, Network Fundamentals
Difficulty:
Easy
Concept notes:
The Network Interface Card (NIC) is the hardware component that physically connects an end device to a network.
Common Mistakes:
A common misunderstanding is that a port or interface is the physical connection. However, these are typically part of the network infrastructure or the device itself, not the physical connection to the network.
Explanations:
The Network Interface Card (NIC) is the hardware component that physically connects an end device to a network. It provides the necessary hardware and software to enable communication between the device and the network. Ports and interfaces are part of the network infrastructure or the device itself, but they do not directly provide the physical connection to the network.
Option Analysis:
Option A:
A port is a logical endpoint for communication, not a physical connection.
Option B:
The NIC is the correct answer as it physically connects the end device to the network.
Option C:
An interface is a point of interaction between the device and the network, but it is not the physical connection.
Option D:
This option is incorrect as the NIC is the correct answer.
10.
This type of cabling uses glass or plastic to carry information as light pulses.
A) UTP.
B) STP.
C) Coaxial.
D) Fiberoptic.
Show Answer
Correct Answer:
Correct answer is: (D) Fiberoptic.
Exam Relevance:
CCNA, CompTIA Network+, Network Fundamentals
Difficulty:
Easy
Concept notes:
Fiberoptic cables use glass or plastic fibers to transmit data as light pulses.
Common Mistakes:
A common mistake is confusing fiberoptic cables with other types of cables like UTP, STP, or coaxial, which use electrical signals rather than light.
Explanations:
Fiberoptic cables transmit data using light pulses, which travel through glass or plastic fibers. This method of data transmission is different from other types of cables that use electrical signals. Therefore, fiberoptic is the correct answer.
Option Analysis:
Option A:
UTP (Unshielded Twisted Pair) cables use electrical signals to transmit data, not light pulses.
Option B:
STP (Shielded Twisted Pair) cables also use electrical signals, not light pulses.
Option C:
Coaxial cables use electrical signals to transmit data, not light pulses.
Option D:
Fiberoptic cables use light pulses to transmit data through glass or plastic fibers.
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Frequently Asked Questions
What is the role of a network switch in a local area network (LAN)?
A network switch is a device that connects multiple devices on a LAN and forwards data to the correct destination based on the MAC address. It enhances network efficiency by directing traffic only to the intended recipient.
How does a modem enable internet communication?
A modem converts digital signals from a computer into analog signals for transmission over telephone or cable lines, and vice versa. This conversion allows data to be transmitted over long distances and received by other devices.
What is the function of a gateway in a network?
A gateway is a device that connects two different types of networks, such as a LAN and the internet. It routes data between these networks and can perform protocol translation to ensure seamless communication.
How does a wireless router differ from a regular router?
A wireless router combines the functions of a router and a wireless access point, allowing devices to connect to the network wirelessly. It uses radio waves to transmit data, providing flexibility and mobility for users.
What is the purpose of a repeater in a network?
A repeater amplifies and retransmits signals over a network to extend the range of the network. It helps to maintain signal strength over long distances, ensuring reliable data transmission.