Which statement describes a network that supports QoS?

Question:
Which statement describes a network that supports QoS?

• The fewest possible devices are affected by a failure.
• The network should be able to expand to keep up with user demand.
• The network provides predictable levels of service to different types of traffic.
• Data sent over the network is not altered in transmission.

Explanation: QoS means that the network can deliver services in a predictable, measurable, and, if necessary, guaranteed manner. QoS uses classification and queuing to manage the delivery of data, minimizing delay and packet loss.

Exam with this question: Quiz - QoS
Exam with this question: CCNA 1 (v5.1 + v6.0) Chapter 1 Exam Answers