1.6.6 Check Your Understanding – Reliable Networks

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1. When designers follow accepted standards and protocols, which characteristic of network architecture is achieved?

  • Fault tolerance
  • Scalability ✅
  • QoS
  • Security

Explanation: Scalability is achieved when designers follow accepted standards and protocols.

2. Confidentiality, integrity, and availability are requirements of which characteristic of network architecture?

  • Fault tolerance
  • Scalability
  • QoS
  • Security ✅

Explanation: Confidentiality, integrity, and availability are the three primary requirements of network security.

3. Which policy allows a router to prioritize voice communication when the network experiences congestion?

  • Fault tolerance
  • Scalability
  • QoS ✅
  • Security

Explanation: Quality of Service (QoS) manages data and voice traffic and gives priority to voice communication during network congestion.

4. Having multiple paths to a destination is known as redundancy. Which characteristic does this represent?

  • Fault tolerance ✅
  • Scalability
  • QoS
  • Security

Explanation: Redundancy is an example of fault-tolerant network architecture.

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