When QoS is implemented in a converged network, which two factors can be controlled to improve network performance for real-time traffic? (Choose two.) Answer: Delay, Jitter
A network engineer performs a ping test and receives a value that shows the time it takes for a packet to travel f...
Question And Solution Paper CCNA 4 Exam
6 2024/2025
When QoS is implemented in a converged network, which two factors can be controlled to improve
network performance for real-time traffic? (Choose two.) Answer: Delay, Jitter
A network engineer performs a ping test and receives a value that shows the time it takes for a packet to
travel from a source to a destination device and return. Which term describes the value Answer:
Latency
2 Characteristics of Voice Traffic Answer: Dropped voice packets not re-transmitted, latency
shouldn't exceed 150 ms
How does a Cisco router using tail drop handle congestion when a traffic queue becomes full? Answer:
The router will drop any packet at the end of the queue
For classifying packets into classes with CBWFQ, what is the purpose of configuring a maximum packet
limit for a class? Answer: to control the maximum number of packets allowed in a single queue
A network engineer is selecting a QoS method to control congestion on a VPN tunnel link between the
headquarters site and a branch office. Which queuing method cannot be used to classify and control
VPN traffic? Answer: WFQ
An administrator has mastered the use of access control lists (ACLs) and wants to deploy QoS by defining
different traffic classes through the use of ACLs. Which queuing method provides this functionality?
Answer: CBWFQ
Which queuing algorithm has only a single queue and treats all packets equally? Answer: FIFO
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