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Unit Viii Information And Communication Technology (Ict)
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Network Devices – Quiz 4
Network Devices Quiz 4 (10 MCQs)
This set of multiple-choice questions evaluates understanding of network architecture, including server roles, client-server interaction, and network connectivity. It covers concepts such as Ethernet LAN, LAN to Internet connection, Wi-Fi technology, and the function of network devices like routers, switches, and hubs. The questions assess knowledge of data transmission, routing, and inter-network communication.
Quiz Instructions
Select an option to see the correct answer instantly.
1.
Which device connects LAN to Internet .....
A) Bridge.
B) Router.
C) None of These.
D) All the above.
Show Answer
Correct Answer:
Correct answer is: (B) Router.
Exam Relevance:
CCNA, CompTIA Network+, CISSP
Difficulty:
Easy
Concept notes:
A router is a network device that connects multiple networks, including LANs and the Internet, and routes data packets between them.
Common Mistakes:
A common misunderstanding is that a bridge can connect a LAN to the Internet. However, a bridge is used to connect two segments of the same network, not to connect different networks like a LAN and the Internet.
Explanations:
A router is designed to connect different networks and route data packets between them. It can connect a LAN to the Internet by determining the best path for data to travel and forwarding it accordingly. This makes the router the appropriate device for connecting a LAN to the Internet.
Option Analysis:
Option A:
A bridge is used to connect two segments of the same network, not to connect different networks like a LAN and the Internet.
Option B:
A router is the correct device for connecting a LAN to the Internet as it can route data packets between different networks.
Option C:
This option is incorrect because a router is the correct device for this purpose.
Option D:
This option is incorrect because only a router is the correct device for connecting a LAN to the Internet.
2.
Twisted pair, coaxial, fiber optic cable are?
A) Wireless transmission channel.
B) Wired transmission channel.
Show Answer
Correct Answer:
Correct answer is: (B) Wired transmission channel.
Exam Relevance:
CCNA, CompTIA Network+, Network Fundamentals
Difficulty:
Easy
Concept notes:
Twisted pair, coaxial, and fiber optic cables are types of wired transmission media used in network devices to transmit data.
Common Mistakes:
A common misunderstanding is that these cables are wireless, but they are physical cables that require a physical connection.
Explanations:
Twisted pair, coaxial, and fiber optic cables are all wired transmission channels. They are physical media that carry data signals over a network. These cables are used to connect devices in a wired network, providing a reliable and high-speed data transmission method.
Option Analysis:
Option A:
Wireless transmission channels do not include physical cables like twisted pair, coaxial, or fiber optic. They use radio waves or infrared signals to transmit data without physical connections.
Option B:
Wired transmission channels include physical cables such as twisted pair, coaxial, and fiber optic, which are used to transmit data over a network.
3.
Which device connects you to the internet?
A) Scanner.
B) Printer.
C) Router.
D) Monitor.
Show Answer
Correct Answer:
Correct answer is: (C) Router.
Exam Relevance:
CCNA, CompTIA Network+, Network Fundamentals
Difficulty:
Easy
Concept notes:
A router is a network device that connects multiple devices to the internet and routes data between them.
Common Mistakes:
A common misunderstanding is that a scanner, printer, or monitor can connect you to the internet. These devices do not have the capability to establish an internet connection.
Explanations:
A router is the device that connects your local network to the internet. It receives data from the internet service provider (ISP) and distributes it to the devices on your network. Without a router, individual devices like computers, smartphones, or tablets would not be able to connect to the internet directly.
Option Analysis:
Option A:
A scanner is used to digitize physical documents and images, but it does not connect to the internet.
Option B:
A printer is used to print documents and images, but it does not connect to the internet.
Option C:
A router is the device that connects your local network to the internet, making it the correct answer.
Option D:
A monitor is used to display visual information from a computer, but it does not connect to the internet.
4.
What does a router do in a network?
A) It translates website names into IP addresses.
B) It directs data between networks and devices.
C) It provides wireless internet access.
D) It measures the speed of data transfer.
Show Answer
Correct Answer:
Correct answer is: (B) It directs data between networks and devices.
Exam Relevance:
CCNA, CompTIA Network+, CIW Network Specialist
Difficulty:
Moderate
Concept notes:
A router is a network device that directs data packets between different networks and devices. It uses routing tables to determine the best path for data to travel.
Common Mistakes:
A common misunderstanding is that a router translates website names into IP addresses, which is actually the function of a DNS (Domain Name System) server.
Explanations:
A router's primary function is to direct data between networks and devices. It receives data packets and uses routing tables to determine the optimal path for forwarding the data to its destination. This ensures efficient and reliable communication across different networks.
Option Analysis:
Option A:
This is incorrect because translating website names into IP addresses is the function of a DNS server, not a router.
Option B:
This is correct because a router's main function is to direct data between networks and devices.
Option C:
This is incorrect because providing wireless internet access is typically the function of a wireless access point or a Wi-Fi router, not a router's primary function.
Option D:
This is incorrect because measuring the speed of data transfer is not a primary function of a router.
5.
..... is a small, portable card that allows your computer to connect to the internet through a wireless network.
A) Wi-Fi card.
B) Wi-Max card.
C) Network card.
D) None of the above.
Show Answer
Correct Answer:
Correct answer is: (A) Wi-Fi card.
Exam Relevance:
CCNA, CompTIA Network+, CIW Network Specialist
Difficulty:
Easy
Concept notes:
A Wi-Fi card is a small, portable device that enables a computer to connect to a wireless network, allowing internet access.
Common Mistakes:
A common misunderstanding is that a Wi-Fi card and a Wi-Max card are the same. Wi-Max is a different technology and is not as commonly used for portable devices.
Explanations:
A Wi-Fi card is specifically designed to connect a computer to a wireless network, which is the correct description provided in the question. Wi-Fi cards are small and portable, making them suitable for laptops and other mobile devices. Wi-Max cards and network cards do not fit the specific description given in the question.
Option Analysis:
Option A:
Wi-Fi card is the correct answer as it is a small, portable card that allows a computer to connect to the internet through a wireless network.
Option B:
Wi-Max card is not the correct answer as Wi-Max is a different wireless technology and is not commonly used for portable devices.
Option C:
Network card is not the correct answer as it is a general term for a device that connects a computer to a network, but it does not specifically refer to a wireless connection.
Option D:
None of the above is incorrect because Wi-Fi card is the correct answer.
6.
A copper-cored cable surrounded by a heavy shielding.
A) Ethernet cable.
B) Fiber optic.
C) Coaxial.
D) Twisted pair cable.
Show Answer
Correct Answer:
Correct answer is: (C) Coaxial.
Exam Relevance:
CCNA, CompTIA Network+, Network+ Essentials
Difficulty:
Moderate
Concept notes:
Coaxial cables are characterized by a copper core surrounded by a heavy shielding, which distinguishes them from other types of cables.
Common Mistakes:
A common misunderstanding is that Ethernet cables or twisted pair cables also have a similar structure, but they do not have the same shielding and core configuration as coaxial cables.
Explanations:
Coaxial cables consist of a central copper conductor surrounded by an insulating material, followed by a braided or foil shield, and an outer jacket. This structure provides excellent protection against electromagnetic interference, making it suitable for network devices that require reliable signal transmission over longer distances.
Option Analysis:
Option A:
Ethernet cables typically consist of twisted pairs of wires without the heavy shielding found in coaxial cables.
Option B:
Fiber optic cables use glass or plastic fibers to transmit data using light, not copper cores or shielding.
Option C:
Coaxial cables have a copper core surrounded by a heavy shielding, which matches the description given in the question.
Option D:
Twisted pair cables consist of pairs of insulated wires twisted together, lacking the central copper core and heavy shielding of coaxial cables.
7.
Which device broadcasts any data to all devices on a network?
A) Switch.
B) Hub.
C) Router.
D) None of above.
Show Answer
Correct Answer:
Correct answer is: (B) Hub.
Exam Relevance:
CCNA, Network+ Certification, CompTIA A+
Difficulty:
Easy
Concept notes:
A hub is a network device that broadcasts data to all connected devices on a network.
Common Mistakes:
A common misunderstanding is that switches or routers also broadcast data to all devices, but they do not. Switches and routers use more sophisticated methods to direct data to specific devices.
Explanations:
A hub is a simple network device that receives data packets and forwards them to all connected devices. This means that any data sent to the hub is broadcast to every device on the network, regardless of the intended recipient. This is in contrast to switches, which can direct data to specific devices, and routers, which can route data between different networks.
Option Analysis:
Option A:
A switch does not broadcast data to all devices; it forwards data to the specific device it is intended for.
Option B:
A hub broadcasts data to all connected devices on the network.
Option C:
A router does not broadcast data to all devices; it routes data between different networks.
Option D:
This option is incorrect as a hub is the correct answer.
8.
Device on one network can communicate with devices on another network via .....
A) Utility Server.
B) Printer Server.
C) Gateway.
D) None of these.
Show Answer
Correct Answer:
Correct answer is: (C) Gateway.
Exam Relevance:
CCNA, Network+ Certification, CompTIA Network+
Difficulty:
Moderate
Concept notes:
A gateway is a network device that connects two different networks and allows communication between them.
Common Mistakes:
A common misunderstanding is that a utility server or printer server can facilitate communication between different networks, but these devices are not designed for inter-network communication.
Explanations:
A gateway is a network device that acts as an entry point to another network. It is used to connect networks that use different protocols, such as a local area network (LAN) and the internet. By routing traffic between these networks, a gateway enables devices on one network to communicate with devices on another network.
Option Analysis:
Option A:
A utility server typically provides services such as file storage or software updates within a single network and does not facilitate communication between different networks.
Option B:
A printer server manages print jobs and printer resources within a single network and does not enable communication between different networks.
Option C:
A gateway is the correct choice because it is specifically designed to connect and route traffic between different networks, allowing devices on one network to communicate with devices on another network.
Option D:
This option is incorrect because a gateway is the appropriate device for inter-network communication.
9.
Identify two network hardware that can be used to setup an Ethernet LAN.
A) LAN Cable.
B) Switch.
C) Wireless Network Interface Card.
D) Only (A) & (B).
Show Answer
Correct Answer:
Correct answer is: (D) Only (A) & (B).
Exam Relevance:
CCNA, CompTIA Network+, Network Fundamentals
Difficulty:
Easy
Concept notes:
Ethernet LANs require specific hardware to connect devices and enable communication. Common hardware includes LAN cables and switches.
Common Mistakes:
A common mistake is to include wireless network interface cards (WNICs) as part of an Ethernet LAN setup, which is incorrect since WNICs are used for wireless networks.
Explanations:
Ethernet LANs are typically set up using wired connections. LAN cables (option A) are used to physically connect devices, while switches (option B) manage and direct data traffic between these devices. Wireless network interface cards (option C) are used for wireless networks, not Ethernet LANs.
Option Analysis:
Option A:
LAN Cable is correct as it is used to physically connect devices in an Ethernet LAN.
Option B:
Switch is correct as it is used to manage and direct data traffic in an Ethernet LAN.
Option C:
Wireless Network Interface Card is incorrect as it is used for wireless networks, not Ethernet LANs.
Option D:
Only (A) & (B) is the correct choice as it includes the necessary hardware for an Ethernet LAN setup.
10.
A computer that serves up information to other computers on a network
A) Server.
B) Network.
C) Operating System.
D) Personal computer.
Show Answer
Correct Answer:
Correct answer is: (A) Server.
Exam Relevance:
CCNA, CompTIA Network+, CISSP
Difficulty:
Easy
Concept notes:
A server is a computer that provides services to other computers on a network. It can serve up information, manage network resources, and perform other tasks for client computers.
Common Mistakes:
A common misunderstanding is that a server is just a powerful computer, but it is specifically designed to provide services to other computers on a network.
Explanations:
A server is a computer that serves up information to other computers on a network. It is designed to handle multiple requests simultaneously and efficiently distribute resources and data to client computers. This makes it the correct choice for the given question.
Option Analysis:
Option A:
Correct. A server is designed to serve up information to other computers on a network.
Option B:
Incorrect. A network is a collection of interconnected devices, not a single device that serves up information.
Option C:
Incorrect. An operating system is software that manages computer hardware and software resources, not a device that serves up information.
Option D:
Incorrect. A personal computer is a general-purpose computer for individual use, not specifically designed to serve up information to other computers on a network.
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Frequently Asked Questions
What is the primary function of a router in a network?
A router directs data packets between different networks, ensuring that information is sent to the correct destination.
How does a switch differ from a hub in network communication?
A switch intelligently routes data packets to specific devices, while a hub broadcasts data to all connected devices, which can lead to inefficiencies.
What is the client-server model in networking?
The client-server model is a network architecture where client devices request services from a central server, which processes and responds to those requests.
What is the role of a gateway in network devices?
A gateway acts as a bridge between different networks, facilitating inter-network communication and translating protocols as needed.
What is the difference between wired and wireless network transmission?
Wired transmission uses physical cables for data transfer, while wireless networks use radio waves or infrared signals to transmit data without cables.