CISCO 3 - Chapter 1 - Lan Design

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CISCO Quizzes & Trivia

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Questions and Answers
  • 1. 

    It is the number of devices that a packet has to cross before it reaches its destination.

    Explanation
    The network diameter refers to the number of devices or nodes that a packet has to traverse in order to reach its destination. It represents the maximum number of hops or connections that a packet may need to make before it reaches its intended endpoint. The network diameter is an important metric in network design and performance evaluation, as it can impact the speed and efficiency of data transmission. A smaller network diameter indicates a more direct and efficient network topology, while a larger diameter may introduce more delays and potential points of failure.

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  • 2. 

    It is the time spent by a device as it processes a packet or frame.

    Explanation
    Network latency refers to the time delay that occurs when data is transmitted from one point to another in a network. It is the time taken for a packet or frame to travel from the source device to the destination device. Network latency can be caused by various factors such as distance, congestion, and the processing time of devices. Therefore, the given answer "network latency" accurately describes the time spent by a device as it processes a packet or frame.

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  • 3. 

    What are the benefits of a Hierarchical Network?

    • A.

      Scalability

    • B.

      Redundancy

    • C.

      Performance

    • D.

      Security

    • E.

      Manageability

    • F.

      Maintainability

    • G.

      Quality of service

    • H.

      Bandwidth and throughput

    • I.

      Reliability

    Correct Answer(s)
    A. Scalability
    B. Redundancy
    D. Security
    E. Manageability
    F. Maintainability
    Explanation
    A hierarchical network offers several benefits. Scalability allows the network to easily accommodate growth and increased traffic without compromising performance. Redundancy ensures that there are backup components or paths to prevent network failures and maintain uninterrupted connectivity. Security measures protect the network from unauthorized access and potential threats. Manageability refers to the ease of managing and administering the network, making it more efficient to monitor and troubleshoot. Maintainability ensures that the network can be easily repaired or upgraded when needed. These benefits contribute to improved performance, reliability, and quality of service.

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  • 4. 

    It is a network where voice and video communications have been combined on a single data network.

    Correct Answer(s)
    converged network
    Explanation
    A converged network refers to a network infrastructure where voice and video communications are integrated and transmitted over a single data network. This means that instead of having separate networks for voice and video, they are combined into one network, allowing for more efficient and cost-effective communication. This convergence enables organizations to streamline their communication systems, simplify network management, and enhance collaboration by providing a unified platform for voice and video communication.

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  • 5. 

    The process of measuring the bandwidth usage on a network and analyzing the data.

    Correct Answer(s)
    traffic flow analysis
    Explanation
    Traffic flow analysis refers to the process of measuring the bandwidth usage on a network and analyzing the data. It involves monitoring and studying the patterns, trends, and characteristics of network traffic to gain insights into the performance, efficiency, and security of the network. By analyzing the traffic flow, network administrators can identify potential bottlenecks, optimize network resources, detect anomalies or security threats, and make informed decisions to improve the overall network performance.

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  • 6. 

    The process of identifying various groupings of users and their impact on network performance.

    Correct Answer(s)
    user community analysis
    Explanation
    User community analysis refers to the process of identifying various groupings of users and analyzing their impact on network performance. This analysis involves studying the behavior, preferences, and needs of different user groups within a network. By understanding the characteristics and requirements of these user communities, network administrators can make informed decisions to optimize network performance and provide better services. This analysis helps in identifying patterns, trends, and potential issues that may arise within specific user groups, enabling proactive measures to be taken to enhance network performance.

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  • 7. 

    The process of considering and analyzing both client-server and server-server traffic

    Correct Answer(s)
    data store analysis
    data server analysis
    data stores and data servers analysis
    data store and data server anaylsis
    Explanation
    The correct answer is data store analysis, data server analysis, data stores and data servers analysis, data store and data server analysis. This is because the question is asking for the process of considering and analyzing both client-server and server-server traffic. Therefore, all of the options listed involve some form of analysis related to data stores and/or data servers, which are key components in both client-server and server-server communication.

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  • 8. 

    Switch form factors regarding physical size.

    • A.

      Wiring closet with limited space.

    • B.

      Computer room with free standing racks.

    • C.

      Shelf in a central area.

    • D.

      Air-conditioned rooms where temperature are below 23 degrees.

    • E.

      Rooms are carpet-free and equipped with anti-static tools.

    Correct Answer(s)
    A. Wiring closet with limited space.
    B. Computer room with free standing racks.
    C. Shelf in a central area.
    Explanation
    The correct answer is Wiring closet with limited space, Computer room with free standing racks, and Shelf in a central area. These three options are all examples of switch form factors that are suitable for locations with limited space or specific requirements. A wiring closet with limited space may require a compact switch form factor to fit in the available area. A computer room with free standing racks may need switches that can be easily installed in the racks without taking up too much space. A shelf in a central area may require a switch form factor that is small and can be easily mounted on the shelf.

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  • 9. 

    Switches have a fixed configuration if you cannot add features or options to the switch beyond those that originally came with the switch.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    A fixed configuration means that the switch's features and options cannot be expanded or modified beyond what was initially provided. This means that you cannot add any additional features or options to the switch beyond what it already has. Therefore, the statement is true.

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  • 10. 

    Modular switches typically come with different sized chassis that allow for the installation of different numbers of modular line cards.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Modular switches are designed to be flexible and customizable. They come with various chassis sizes that can accommodate different numbers of modular line cards. This allows users to scale and expand their network as needed by adding or removing line cards. Therefore, the statement that modular switches typically come with different sized chassis to support different numbers of modular line cards is true.

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  • 11. 

    Stackable switches are interconnected using a special backplane cable that provides high-bandwidth throughput between the switches and they are desirable when fault tolerance and bandwidth availability are critical.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Stackable switches are indeed interconnected using a special backplane cable that provides high-bandwidth throughput between the switches. This allows for efficient communication and data transfer between the switches, making them desirable in situations where fault tolerance and bandwidth availability are critical. By stacking the switches, organizations can ensure a reliable and robust network infrastructure that can handle high volumes of data traffic. Therefore, the statement "Stackable switches are desirable when fault tolerance and bandwidth availability are critical" is true.

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  • 12. 

    Factors to consider in switch performance.

    • A.

      Port Density

    • B.

      Forwarding Rate

    • C.

      Bandwidth Aggregation Requirements

    • D.

      Port Security

    • E.

      Link Aggregation Requirements

    Correct Answer(s)
    A. Port Density
    B. Forwarding Rate
    C. Bandwidth Aggregation Requirements
    Explanation
    The factors to consider in switch performance include port density, forwarding rate, and bandwidth aggregation requirements. Port density refers to the number of ports available on the switch, which determines how many devices can be connected. Forwarding rate is the speed at which the switch can process and forward data packets. Bandwidth aggregation requirements involve the need for combining multiple network links to increase overall bandwidth. These factors are important in determining the efficiency and capability of a switch in handling network traffic and meeting the demands of the network infrastructure.

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  • 13. 

    It is the number of ports available on a single switch.

    Correct Answer(s)
    port density
    Explanation
    Port density refers to the number of ports that are available on a single switch. It indicates how many devices or connections can be supported by the switch simultaneously. A higher port density means that the switch can accommodate more devices, allowing for greater scalability and flexibility in network configurations. Conversely, a lower port density may limit the number of devices that can be connected to the switch. Therefore, port density is an important consideration when designing and implementing network infrastructure.

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  • 14. 

    It defines the processing capabilities of a switch by rating how much data the switch can process per second.

    Correct Answer(s)
    forwarding rate
    Explanation
    The forwarding rate refers to the measure of how much data a switch can process per second, indicating its processing capabilities. It determines the speed at which the switch can forward packets from one port to another. A higher forwarding rate indicates a more efficient and capable switch that can handle larger amounts of data traffic.

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  • 15. 

    If the switch forwarding rate is too low, it cannot accommodate full wire-speed communication across all of its switch ports

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    If the switch forwarding rate is too low, it means that the switch is not able to process and forward data at the maximum speed of the network. This can result in a bottleneck in the network, where the switch is not able to accommodate full wire-speed communication across all of its switch ports. In other words, the switch may not be able to handle the maximum amount of data traffic that is expected in the network, leading to slower communication and potential network congestion. Therefore, the statement is true.

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  • 16. 

    Access layer switches typically do not need to operate at full wire speed because they are physically limited by their uplinks to the distribution layer.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Access layer switches typically do not need to operate at full wire speed because they are physically limited by their uplinks to the distribution layer. This means that the speed at which the access layer switches can transmit data is determined by the capacity of their uplinks, rather than their own capabilities. Therefore, it is true that access layer switches do not need to operate at full wire speed.

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  • 17. 

    As part of bandwidth aggregation, you should determine if there are enough ports on a switch to aggregate to support the required bandwidth.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Bandwidth aggregation involves combining multiple network connections to increase the overall bandwidth. To successfully aggregate bandwidth, it is essential to have enough ports on a switch to support the required bandwidth. Each port on the switch can handle a certain amount of data, and aggregating multiple ports allows for a higher capacity. Therefore, the statement is true as determining the availability of sufficient ports is crucial for successful bandwidth aggregation.

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  • 18. 

    This allows the switch to deliver power to a device over the existing Ethernet cabling

    Correct Answer
    power over ethernet
    Explanation
    Power over Ethernet (PoE) is a technology that allows a switch to deliver power to a device using the existing Ethernet cabling. This eliminates the need for separate power cables, making installation and maintenance easier and more cost-effective. PoE is commonly used in IP cameras, wireless access points, and VoIP phones, enabling these devices to receive both data and power from the same Ethernet cable. By delivering power over Ethernet, the switch simplifies the infrastructure and provides a convenient and efficient solution for powering network devices.

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  • 19. 

    Switches typically operate at Layer 2 of the OSI Model.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Switches are network devices that operate at Layer 2 of the OSI Model. Layer 2, also known as the Data Link Layer, is responsible for the reliable transmission of data between adjacent network nodes. Switches use MAC addresses to forward data packets within a local area network (LAN). They analyze the destination MAC address of incoming packets and forward them to the appropriate port, improving network efficiency and reducing collisions. Therefore, the statement "Switches typically operate at Layer 2 of the OSI Model" is true.

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  • 20. 

    Access Layer Switch Features.

    • A.

      Bandwidth (Link) Aggregation

    • B.

      FastEthernet/Gigabit Ethernet

    • C.

      Port Security

    • D.

      Power Over Ethernet (PoE

    • E.

      Quality of Service (QoS)

    • F.

      VLANs

    Correct Answer(s)
    A. Bandwidth (Link) Aggregation
    B. FastEthernet/Gigabit Ethernet
    C. Port Security
    D. Power Over Ethernet (PoE
    E. Quality of Service (QoS)
    F. VLANs
    Explanation
    The given answer lists various features of access layer switches. Bandwidth (Link) Aggregation allows multiple physical links to be combined into a single logical link, increasing overall bandwidth. FastEthernet/Gigabit Ethernet refers to the Ethernet standards used for high-speed data transmission. Port Security provides measures to restrict unauthorized access to switch ports. Power Over Ethernet (PoE) enables the switch to provide power to connected devices, eliminating the need for separate power sources. Quality of Service (QoS) ensures that certain types of network traffic receive priority treatment. VLANs (Virtual Local Area Networks) allow for logical segmentation of a physical network into multiple virtual networks.

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  • 21. 

    Distribution Layer Switch Features.

    • A.

      Bandwidth (Link) Aggregation

    • B.

      Gigabit Ethernet/10 Gigabit Ethernet

    • C.

      High Forwarding Rate

    • D.

      Layer 3 Support

    • E.

      Quality of Service (QoS)

    • F.

      Redundant Components

    • G.

      Security Policies/Access Control Lists

    Correct Answer(s)
    A. Bandwidth (Link) Aggregation
    B. Gigabit Ethernet/10 Gigabit Ethernet
    C. High Forwarding Rate
    D. Layer 3 Support
    E. Quality of Service (QoS)
    F. Redundant Components
    G. Security Policies/Access Control Lists
    Explanation
    The distribution layer switch features mentioned in the answer are all important for the efficient functioning of a distribution layer switch. Bandwidth (Link) Aggregation allows for combining multiple network links to increase the overall bandwidth and improve network performance. Gigabit Ethernet/10 Gigabit Ethernet provides high-speed connectivity for fast data transmission. High Forwarding Rate ensures that the switch can handle a large volume of network traffic. Layer 3 Support enables routing between different networks. Quality of Service (QoS) prioritizes certain types of network traffic for better performance. Redundant Components ensure high availability and minimize downtime. Security Policies/Access Control Lists protect the network by controlling access and enforcing security measures.

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  • 22. 

    Core Layer Switch Features.

    • A.

      Bandwidth (Link) Aggregation

    • B.

      Gigabit Ethernet/10 Gigabit Ethernet

    • C.

      Layer 3 Support

    • D.

      Quality of Service (QoS)

    • E.

      Redundant Components

    • F.

      Very High Forwarding Rate

    Correct Answer(s)
    A. Bandwidth (Link) Aggregation
    B. Gigabit Ethernet/10 Gigabit Ethernet
    C. Layer 3 Support
    D. Quality of Service (QoS)
    E. Redundant Components
    F. Very High Forwarding Rate
    Explanation
    The core layer switch is responsible for routing and forwarding traffic between different networks. Bandwidth (Link) Aggregation allows multiple links to be combined into a single logical link, increasing the overall bandwidth and improving network performance. Gigabit Ethernet/10 Gigabit Ethernet provides high-speed connectivity for fast data transmission. Layer 3 Support enables the switch to perform routing functions, allowing communication between different IP networks. Quality of Service (QoS) ensures that certain types of traffic receive priority treatment, improving network performance for critical applications. Redundant Components provide backup and failover capabilities, ensuring high availability and minimizing downtime. Very High Forwarding Rate indicates that the switch can handle a large volume of traffic efficiently.

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  • 23. 

    It is the graphical representation of the network.

    Correct Answer(s)
    network topology diagram
    topology diagram
    Explanation
    The correct answer is network topology diagram or topology diagram. This refers to a visual representation of the network, showing the arrangement of its various components such as routers, switches, and nodes. It helps to illustrate the connections and relationships between these components, enabling network administrators to understand and manage the network more effectively. This diagram can provide valuable insights into the network's structure, allowing for easier troubleshooting, planning, and optimization.

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  • 24. 

    Types of Layout for Hierarchical Model.

    • A.

      Logical and Physical

    • B.

      Static and Dynamic

    • C.

      Fixed and Modular

    Correct Answer
    A. Logical and Physical
    Explanation
    The correct answer is "Logical and Physical." In a hierarchical model, logical layout refers to the way data is organized and represented conceptually, while physical layout refers to how the data is stored and accessed in the actual storage media. The logical layout focuses on the relationships between entities and their attributes, while the physical layout deals with the physical storage structures such as files, records, and blocks. Therefore, the hierarchical model can have different types of layouts based on the logical organization and physical storage implementation.

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  • 25. 

    Protocol used by switches in Layer 2 that works like a TTL.

    • A.

      Spanning Tree Protocol

    • B.

      Challenge Handshake Authentication Protocol

    • C.

      Enhanced Interior Gateway Routing Protocol

    • D.

      Hello Packets

    Correct Answer
    A. Spanning Tree Protocol
    Explanation
    The Spanning Tree Protocol (STP) is a protocol used by switches in Layer 2 that prevents loops and ensures a loop-free logical topology in a redundant network. It works by creating a tree-like structure, with one switch acting as the root bridge and other switches determining the shortest path to the root bridge. STP uses a TTL-like mechanism to determine the best path and prevent loops by assigning a cost to each link and disabling redundant links. This allows for efficient and reliable communication within the network.

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