Week 2: Network Modeling and Standards

What is network modeling?

• A type of network cable
• A network security method
• A network management
• An abstract representation of a network
• A network device

Why are network standards important?

• To reduce costs
• To ensure compatibility and interoperability
• To create confusion
• To control networks
• To increase speed

Which topology has a single point of failure?

• Star
• Mesh
• Bus
• Ring
• None of the above

What is an advantage of mesh topology?

• Scalability
• Resilience
• Simplicity
• Cost-effectiveness
• Both A and B

Which topology is cost-effective?

• Star
• Mesh
• Bus
• Ring
• None of the above

What is a disadvantage of ring topology?

• Scalability
• Resilience
• Complexity
• Cost-effectiveness
• Both A and C

Which layer of the OSI model deals with data transmission between devices?

• Physical
• Data link
• Network
• Transport
• Application

What is the purpose of the OSI model?

• To ensure compatibility and interoperability
• To reduce costs
• To create confusion
• To control networks
• To increase speed

Which layer of the OSI model deals with IP addressing?

• Physical
• Data link
• Network
• Transport
• Application

Which layer of the OSI model deals with establishing, maintaining, and terminating connections?

• Physical
• Data link
• Network
• Transport
• Session