Quality of Service (QoS) Quiz

What does QoS stand for?

• Quality of Speed

• Quality of System

• Quality of Service

• Quality of Security

Which of the following is a characteristic of voice traffic?

• Not time-sensitive

• Requires high bandwidth

• Sensitive to delays and dropped packets

• Unpredictable bandwidth need

What is the primary purpose of queuing algorithms in networking?

• To buffer, prioritize, and reorder packets

• To increase bandwidth

• To encrypt data

• To monitor network traffic

Which queuing algorithm provides fair bandwidth allocation to all network traffic?

• Weighted Fair Queuing (WFQ)

• Low Latency Queuing (LLQ)

• Class-Based Weighted Fair Queuing (CBWFQ)

• First-In, First-Out (FIFO)

What is the maximum latency acceptable for voice traffic?

• 200 milliseconds

• 150 milliseconds

• 400 milliseconds

• 100 milliseconds

Which QoS model provides high scalability and flexibility?

• None of the above

• Best-effort model

• Differentiated services (DiffServ)

• Integrated services (IntServ)

What is the function of the Resource Reservation Protocol (RSVP) in IntServ?

• To encrypt data packets

• To signal QoS needs of an application's traffic

• To monitor network traffic

• To classify data packets

What does the Differentiated Services Code Point (DSCP) field do?

• Tracks network performance

• Marks packets for QoS

• Encrypts data packets

• Classifies data packets

Which technique is used to prevent packet loss in sensitive applications?

• Reduce bandwidth

• Increase link capacity

• Disable QoS

• Use FIFO queuing

What is the main goal of traffic shaping in QoS?

• To encrypt data

• To smooth packet output rate

• To increase packet loss

• To monitor network traffic