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Questions and Answers
Which advantage does MPLS have that enhances its flexibility in network management?
Which advantage does MPLS have that enhances its flexibility in network management?
How does MPLS differentiate the handling of different types of data?
How does MPLS differentiate the handling of different types of data?
What is a potential benefit of having multiple forwarding paths in an MPLS network?
What is a potential benefit of having multiple forwarding paths in an MPLS network?
Which feature of the Multipoint Generic Routing Encapsulation (mGRE) protocol allows for dynamic connections?
Which feature of the Multipoint Generic Routing Encapsulation (mGRE) protocol allows for dynamic connections?
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In a peer-to-peer network, what role does authority play among the connected computers?
In a peer-to-peer network, what role does authority play among the connected computers?
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What does MPLS primarily use to forward data through its network infrastructure?
What does MPLS primarily use to forward data through its network infrastructure?
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What is a key difference between peer-to-peer and client-server network architectures?
What is a key difference between peer-to-peer and client-server network architectures?
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In what way does MPLS improve efficiency for types of data such as voice?
In what way does MPLS improve efficiency for types of data such as voice?
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Which of the following accurately describes a hybrid network topology?
Which of the following accurately describes a hybrid network topology?
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What does the term 'north-south traffic flow' refer to in network architecture?
What does the term 'north-south traffic flow' refer to in network architecture?
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In a three-tier hierarchical model, which layer is primarily responsible for routing and network traffic management?
In a three-tier hierarchical model, which layer is primarily responsible for routing and network traffic management?
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Which network topology allows for a direct point-to-point connection between two devices?
Which network topology allows for a direct point-to-point connection between two devices?
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What is a significant characteristic of mesh network topology?
What is a significant characteristic of mesh network topology?
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Which of the following best describes the concept of a star topology?
Which of the following best describes the concept of a star topology?
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What is the main advantage of using a spine-and-leaf architecture?
What is the main advantage of using a spine-and-leaf architecture?
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Which of the following is NOT a key component of network maintenance?
Which of the following is NOT a key component of network maintenance?
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What is the formula to calculate the number of connections in a network with n locations?
What is the formula to calculate the number of connections in a network with n locations?
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Why is the mesh topology considered to have a high amount of overhead?
Why is the mesh topology considered to have a high amount of overhead?
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Which characteristic of the mesh topology enhances its resilience?
Which characteristic of the mesh topology enhances its resilience?
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In which scenario is partial mesh topology preferable?
In which scenario is partial mesh topology preferable?
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What type of connection does a point-to-point topology utilize?
What type of connection does a point-to-point topology utilize?
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What is a disadvantage of using a full mesh topology in corporate LANs?
What is a disadvantage of using a full mesh topology in corporate LANs?
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What is a common reason for using hybrid mesh topology in modern networks?
What is a common reason for using hybrid mesh topology in modern networks?
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What happens in a situation where a connection in a full mesh topology fails?
What happens in a situation where a connection in a full mesh topology fails?
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What does the lightning bolt represent in the diagram?
What does the lightning bolt represent in the diagram?
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Which of the following is true about peer-to-peer networks?
Which of the following is true about peer-to-peer networks?
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In a point-to-multipoint topology, how is the network structured?
In a point-to-multipoint topology, how is the network structured?
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What characterizes a hybrid network topology?
What characterizes a hybrid network topology?
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Where are point-to-point networks often utilized?
Where are point-to-point networks often utilized?
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What is a primary limitation of a wireless point-to-point connection?
What is a primary limitation of a wireless point-to-point connection?
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Which network topology is depicted with LANs connected by switches?
Which network topology is depicted with LANs connected by switches?
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How does a point-to-point link differ from a point-to-multipoint link?
How does a point-to-point link differ from a point-to-multipoint link?
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What is the primary function of the network backbone?
What is the primary function of the network backbone?
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What is a common term used for the point of responsibility in network connections?
What is a common term used for the point of responsibility in network connections?
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Which technology is commonly used by traditional telephone companies to provide high-speed digital services?
Which technology is commonly used by traditional telephone companies to provide high-speed digital services?
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What does a smart jack provide for service providers?
What does a smart jack provide for service providers?
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What is a key characteristic of leased lines?
What is a key characteristic of leased lines?
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How does virtual networking primarily differ from traditional networking?
How does virtual networking primarily differ from traditional networking?
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What type of network service can a cable modem typically provide?
What type of network service can a cable modem typically provide?
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What is one advantage of using virtual switch technology?
What is one advantage of using virtual switch technology?
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What type of network is primarily used to connect various LANs over large geographical areas?
What type of network is primarily used to connect various LANs over large geographical areas?
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Which topology is characterized by a single central device that connects all other devices directly?
Which topology is characterized by a single central device that connects all other devices directly?
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What is the main advantage of using a collapsed core in network design?
What is the main advantage of using a collapsed core in network design?
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In network traffic terminology, which type of traffic typically leaves the network through a routed connection?
In network traffic terminology, which type of traffic typically leaves the network through a routed connection?
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Which term describes the physical layout of a network as perceived by users?
Which term describes the physical layout of a network as perceived by users?
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What kind of network topology could be described as a hub-and-spoke arrangement?
What kind of network topology could be described as a hub-and-spoke arrangement?
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What is the role of the access layer in the three-tiered network model?
What is the role of the access layer in the three-tiered network model?
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Which type of network is typically used for personal area networks within a short range?
Which type of network is typically used for personal area networks within a short range?
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Study Notes
Introduction to Networks
- Computer networks are crucial for personal and professional communication, enabling resource sharing across distances.
- Networks come in various sizes and complexities, requiring proper maintenance, regardless of their type.
- Basic network concepts are fundamental for understanding how devices and technologies interact.
Network Topologies, Architectures, and Types
- Mesh: Every device has a path to every other device.
- Hybrid: Combines various topologies.
- Star/Hub and Spoke: All devices connect to a central point, such as a hub or switch.
- Point-to-Point: Two devices connect directly.
- Point-to-Multipoint: One initiator, multiple receivers.
- Ring: Devices are connected in a closed loop.
- Bus: Devices connect to a single cable.
Common Network Components
- Workstations: Powerful computers used by end users.
- Servers: Powerful computers that provide resources to the network.
- Hosts: Any device on the network taking an IP address.
- File Server: Stores and manages files.
- Mail Server: Handles email communication.
- Print Server: Manages printers.
- Web Server: Handles web-related activities.
- Fax Server: Sends and receives fax messages.
- Application Server: Manages network applications.
Network Types
- Metropolitan Area Network (MAN): Connects multiple buildings in a city.
- Wide Area Network (WAN): Spans large geographic areas (e.g., the internet).
- Personal Area Network (PAN): Connects devices in close proximity.
- Campus Area Network (CAN): Connects devices in a limited geographical area such as college or corporate campuses.
- Storage Area Network (SAN): Exclusively for storage traffic
Network Architecture
- Peer-to-Peer (P2P): All devices are equal, sharing resources, but security can be a challenge.
- Client-Server: A server acts as an authority to provide services to other (client) computers.
Network Topologies and Components
- Full Mesh: Every node is connected to every other node.
- Collapsed Core: Combines the core and distribution layers in one tier.
- Spine and Leaf: A network architecture optimized for data centers with a fast backbone (spine) and nodes connect to that backbone (leaf nodes).
Traffic Flow:
- North-South: Between an internal network and the internet, particularly important for security.
- East-West: Traffic between internal systems, commonly overlooked for security purposes.
Summary
- This chapter details various network types, providing understanding of different network topologies and components.
- Different topologies have varying pros and cons. Understanding how these work empowers better selection for specific needs.
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Description
Test your knowledge on the fundamental concepts of computer networks, including network topologies, architectures, and essential components. This quiz covers various types of networks and their configurations, ensuring a solid understanding of how devices interact within these systems.
