🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books

Network Topologies Quiz 6 (10 MCQs)

This set of multiple-choice questions evaluates understanding of network topologies, including bus, ring, star, and mesh configurations. It assesses knowledge of communication speed, accuracy, fault tolerance, and network management. Concepts such as shared communication lines, terminators, and signal reflection are also covered, providing a comprehensive test of basic network concepts and design principles.

Quiz Instructions

Select an option to see the correct answer instantly.

1. Which network topology is the most common topology used today?

Correct Answer: Correct answer is: (B) Star.

Exam Relevance: CCNA, CompTIA Network+, CIW Network Specialist

Difficulty: Easy

Concept notes: The star topology is the most common network topology used today.

Common Mistakes: A common misunderstanding is that the bus topology is still widely used, but it has largely been replaced by the star topology in modern networks.

Explanations: In a star topology, all devices are connected to a central hub or switch. This centralization simplifies network management and troubleshooting, making it a preferred choice for most modern networks. The star topology is widely used in both home and enterprise environments due to its ease of use and scalability.

Option Analysis:

Option A: The bus topology is less common today because it is more difficult to manage and troubleshoot compared to the star topology.
Option B: The star topology is the most common topology used today due to its ease of management and scalability.
Option C: The mesh topology is less common because it requires more cabling and is more complex to set up and manage.
Option D: The ring topology is less common today because it can be more difficult to manage and troubleshoot compared to the star topology.

2. A network geometric arrangement in which a single connecting line is shared by a number of nodes is called

Correct Answer: Correct answer is: (B) Bus Topology.

Exam Relevance: CCNA, Network+ Certification, CompTIA A+

Difficulty: Easy

Concept notes: In network topologies, a bus topology is characterized by a single shared communication line, known as the bus, to which all nodes are connected. This arrangement allows data to be transmitted along the bus to all nodes.

Common Mistakes: A common misunderstanding is confusing bus topology with other topologies like ring or star, which have different configurations and methods of data transmission.

Explanations: In a bus topology, all nodes are connected to a single communication line, or bus. Data transmitted by one node travels along the bus and can be received by all other nodes. This shared line is the defining feature of a bus topology, making it the correct answer.

Option Analysis:

Option A: Car Topology is not a recognized network topology.
Option B: Bus Topology is the correct term for a network where a single shared line is used by all nodes.
Option C: Truck Topology is not a recognized network topology.
Option D: None of these is incorrect as Bus Topology is a valid and recognized network topology.

Mnemonic: Bus for a shared ride, like a bus for all.

3. What's the major advantage to a mesh topology?

Correct Answer: Correct answer is: (D) Any device goes down, network still functional.

Exam Relevance: CCNA, Network+ Certification, CompTIA Network+

Difficulty: Moderate

Concept notes: In a mesh topology, each device is connected to every other device, providing multiple paths for data transmission. This redundancy ensures that if one device fails, the network can still function using alternative paths.

Common Mistakes: A common misunderstanding is that a mesh topology is only beneficial for its redundancy, but it also provides high reliability and fault tolerance.

Explanations: In a mesh topology, each device is directly connected to every other device, creating multiple redundant paths for data transmission. This means that if one device fails, the network can still function using the remaining paths. This redundancy ensures that the network remains operational even if a single device goes down, making it highly reliable and fault-tolerant.

Option Analysis:

Option A: This is incorrect because a mesh topology does not rely on a single server. If a server goes down, the network can still function using other devices.
Option B: This is incorrect because a mesh topology does not rely on a single switch. If a switch goes down, the network can still function using other devices.
Option C: This is incorrect because while computers can function as stand-alone devices, this is not the major advantage of a mesh topology. The major advantage is the network's ability to remain functional even if a device fails.
Option D: This is correct because in a mesh topology, the network can still function even if one device goes down due to the multiple redundant paths available.

4. The network in which we connect each node to the network along a single piece of network cable is called

Correct Answer: Correct answer is: (A) Bus Network Topology.

Exam Relevance: CCNA, Network+ Certification, CompTIA A+

Difficulty: Easy

Concept notes: In a bus network topology, all nodes are connected to a single communication line or "bus". Data is transmitted along this line, and each node listens for data that is intended for it.

Common Mistakes: A common misunderstanding is that a star topology, where each node is connected to a central hub, is the same as a bus topology. However, in a star topology, the central hub manages the data flow, whereas in a bus topology, all nodes share the same communication line.

Explanations: In a bus network topology, each node is connected to a single piece of network cable, known as the "bus". This bus serves as the backbone of the network, and all data transmission occurs over this shared medium. Each node listens to the bus for data intended for it, making it a simple and cost-effective topology for small networks.

Option Analysis:

Option A: Correct. Bus Network Topology is the correct answer as it describes a network where all nodes are connected to a single communication line.
Option B: Incorrect. Star Network Topology involves a central hub to which all nodes are connected, not a single piece of network cable.
Option C: Incorrect. Ring Network Topology involves nodes connected in a circular configuration, not a single piece of network cable.
Option D: Incorrect. This option is not applicable as the correct answer is provided in the other options.

Mnemonic: Bus = One Line, All Nodes

5. Which of the following is a network topology?

Correct Answer: Correct answer is: (D) BUS.

Exam Relevance: CCNA, CompTIA Network+, Network Fundamentals

Difficulty: Easy

Concept notes: Network topologies refer to the layout or arrangement of a network. Common topologies include BUS, RING, STAR, and MESH.

Common Mistakes: A common mistake is confusing network topologies with types of networks (LAN, WAN, MAN). These are different concepts.

Explanations: The BUS topology is a network configuration where all devices are connected to a single communication line or cable. This is a valid network topology, unlike LAN, WAN, and MAN which refer to types of networks rather than their physical layout.

Option Analysis:

Option A: LAN (Local Area Network) is a type of network, not a topology.
Option B: WAN (Wide Area Network) is a type of network, not a topology.
Option C: MAN (Metropolitan Area Network) is a type of network, not a topology.
Option D: BUS is a valid network topology where all devices are connected to a single communication line.

6. Communication in an All-Channel network is characterized by:

Correct Answer: Correct answer is: (C) Fast speed, Moderate accuracy.

Exam Relevance: Network Fundamentals, CCNA, Network+ Certification

Difficulty: Moderate

Concept notes: In an All-Channel network topology, every node can communicate directly with every other node. This results in fast communication speeds due to the direct connections. However, the accuracy of communication can be moderate because of the potential for message congestion and interference.

Common Mistakes: A common misunderstanding is that high accuracy is guaranteed in an All-Channel network due to the direct connections. However, the complexity of multiple simultaneous communications can lead to moderate accuracy.

Explanations: In an All-Channel network, each node can communicate directly with every other node, leading to fast communication speeds. However, the accuracy can be moderate because of the potential for message congestion and interference from multiple simultaneous communications.

Option Analysis:

Option A: Moderate speed, High accuracy. This is incorrect because the direct connections in an All-Channel network typically result in fast speeds, not moderate speeds. Additionally, the accuracy is not high due to potential congestion and interference.
Option B: Moderate speed, Moderate accuracy. This is incorrect because the speed in an All-Channel network is typically fast, not moderate.
Option C: Fast speed, Moderate accuracy. This is correct because the direct connections in an All-Channel network result in fast communication speeds, but the accuracy can be moderate due to potential congestion and interference.
Option D: Slow speed, High accuracy. This is incorrect because the speed in an All-Channel network is typically fast, not slow, and the accuracy is not high due to potential congestion and interference.

7. Mesh topology is

Correct Answer: Correct answer is: (D) Only (A) & (B).

Exam Relevance: CCNA, Network+ Certification, CompTIA Network+

Difficulty: Moderate

Concept notes: Mesh topology is a network configuration where each node is connected to every other node in the network. This topology is known for its high reliability and redundancy but also for its complexity and cost.

Common Mistakes: A common misunderstanding is that mesh topology is easy to manage due to its redundancy. However, the complexity of managing multiple connections between nodes makes it difficult to manage.

Explanations: Mesh topology is difficult to manage because each node is connected to every other node, leading to a large number of connections that need to be monitored and maintained. Additionally, it is expensive to install due to the high number of cables and network interface cards required to establish the connections between nodes.

Option Analysis:

Option A: Mesh topology is difficult to manage due to the large number of connections between nodes.
Option B: Mesh topology is expensive to install because it requires a high number of cables and network interface cards.
Option C: Mesh topology is not easy to manage due to the complexity of the connections.
Option D: Only (A) & (B) are correct, as mesh topology is both difficult to manage and expensive to install.

8. The completely interconnected network topology is .....

Correct Answer: Correct answer is: (A) Mesh.

Exam Relevance: CCNA, Network+ Certification, CompTIA Network+

Difficulty: Easy

Concept notes: In network topologies, a completely interconnected network topology means that every node is directly connected to every other node.

Common Mistakes: A common misunderstanding is that other topologies like Bus or Tree can also be completely interconnected, but they are not. In a Bus topology, nodes are connected to a single backbone, and in a Tree topology, nodes are connected in a hierarchical structure.

Explanations: A Mesh topology is characterized by every node being directly connected to every other node. This ensures that there are multiple paths between any two nodes, providing high redundancy and reliability. The other topologies (Bus and Tree) do not have this property, as they do not connect every node directly to every other node.

Option Analysis:

Option A: Mesh topology is the correct answer as it is the only topology where every node is directly connected to every other node.
Option B: Bus topology connects nodes to a single backbone, not directly to each other.
Option C: Tree topology connects nodes in a hierarchical structure, not directly to each other.
Option D: This option is incorrect because only Mesh topology is completely interconnected.

9. What are the 3 main network topologies?

Correct Answer: Correct answer is: (A) BUS, RING & STAR.

Exam Relevance: CCNA, Network+ Certification, CompTIA A+

Difficulty: Easy

Concept notes: Network topologies refer to the layout or arrangement of a network. The three main types are BUS, RING, and STAR.

Common Mistakes: A common mistake is confusing network topologies with other network types like LAN (Local Area Network) or WAN (Wide Area Network), which are different concepts.

Explanations: The BUS topology connects all devices to a single cable, forming a linear structure. The RING topology connects devices in a closed loop, where each device is connected to two others. The STAR topology connects all devices to a central hub or switch. These three topologies are fundamental in understanding network design and configuration.

Option Analysis:

Option A: Correct. BUS, RING, and STAR are the three main network topologies.
Option B: Incorrect. LAN is not a network topology; it is a type of network.
Option C: Incorrect. WAN is not a network topology; it is a type of network. LAN is also not a topology.
Option D: Incorrect. The correct answer is provided in Option A.

10. A device attached to the end-points of a bus network is known as .....

Correct Answer: Correct answer is: (A) Terminator.

Exam Relevance: CCNA, Network+ Certification, CompTIA A+

Difficulty: Easy

Concept notes: In a bus network topology, terminators are devices attached to the end-points of the network to prevent signal reflection and ensure proper data transmission.

Common Mistakes: A common misunderstanding is that processors or other network devices might be the end-point devices, but in a bus network, terminators are specifically designed for this purpose.

Explanations: In a bus network topology, a single cable (the bus) connects all the devices. To prevent signal reflection and ensure proper data transmission, terminators are attached to the end-points of the bus. These terminators absorb the signal, preventing it from bouncing back and interfering with other transmissions.

Option Analysis:

Option A: Correct. Terminators are the devices attached to the end-points of a bus network to prevent signal reflection.
Option B: Incorrect. Processors are not typically attached to the end-points of a bus network for signal management.
Option C: Incorrect. Not all of the options are correct; only the terminator is the correct device for this purpose.
Option D: Incorrect. There is a correct answer among the options provided.

Frequently Asked Questions

What is a network topology?

A network topology is the arrangement of the various elements (links, nodes, etc.) of a computer network. It defines how different nodes are connected and how they communicate with each other.

What is the difference between a bus and a star topology?

In a bus topology, all devices are connected to a single communication line, while in a star topology, each device is connected to a central hub or switch. Bus topology is simpler but less fault-tolerant, whereas star topology offers better fault tolerance and easier management.

How does a ring topology work?

In a ring topology, each device is connected to two other devices, forming a closed loop. Data travels in one direction around the ring, passing through each device until it reaches its destination. This topology ensures that each device has equal access to the network.

What is the advantage of an all-channel network?

An all-channel network, also known as a fully connected mesh topology, provides redundancy and high fault tolerance because each node is connected to every other node. This ensures that if one path fails, there are multiple alternative paths for data transmission.

What is the role of terminators in a bus topology?

Terminators in a bus topology are used to absorb signal reflections at the end of the communication line. This prevents signal interference and ensures accurate data transmission along the bus.

🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books