1-6 EXAMINING NETWORK TOPOLOGIES AND TRAFFIC FLOWS Flashcards
What is Bus/Linear Topology?
Devices connected to a single central cable.
Pros: Easy installation, less cable required. Cons: Failure in the main cable affects entire network, not scalable.
What are the pros and cons of Star Topology?
Pros: Easy to install/manage, highly scalable, easy to add new devices. Cons: Central hub failure disables entire network.
Each device connects to a central hub or switch.
Describe Mesh Topology.
Every device connects to every other device (fully or partially).
Pros: High fault tolerance, multiple data transmission paths. Cons: Costly and complex to install/manage, especially in full mesh.
What is Ring Topology?
Devices connected in a circular loop.
Pros: Easy data transmission, predictable path. Cons: Break in the ring disrupts network, adding/removing devices is challenging.
What is North/South Traffic?
Data flows between the data center and other networks, such as client-to-server or client-to-Internet interactions.
Often involves user requests and responses, passing through the core network to external endpoints.
What is East/West Traffic?
Data movement within a data center, typically server-to-server or storage system interactions.
Signifies high-volume, lateral communication inside the network, crucial in cloud computing and virtualization.
Define Centralized Network Model.
All network communication and data flow through a single central server.
Benefits: Easier network management, centralized data storage, improved security. Drawbacks: Risk of a single point of failure, scalability issues, potential performance bottlenecks.
What is the Client/Server Network Model?
Involves multiple clients (users) connected to a server that provides resources and services.
Benefits: Efficient resource allocation, centralized management, enhanced security. Drawbacks: Server overload, increased dependency on server reliability, higher maintenance costs.
Describe the Peer-to-Peer (P2P) Network Model.
Each node (peer) acts both as a client and a server, sharing resources directly.
Advantages: Decentralized control, reduced costs, robustness against single points of failure. Drawbacks: Potential security risks, difficulty in managing the network, inconsistent performance.
Fill in the blank: In a centralized network model, data flows through a _______.
single central server.
True or False: In Star Topology, if the central hub fails, the entire network remains operational.
False.
