CCNA 4 v6.0 R&S Connecting Networks CN Chapter 6 Exam Online
CCNA 4 v6.0 CN Chapter 6 Exam Training | |
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Time | 30 minutes |
Questions | 21 |
Leaderboard: CCNA 4 v6.0 Chapter 6 Exam
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CCNA 4 v6.0 Chapter 6 Exam
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Question 1 of 21
1. Question
2 pointsWhen QoS is implemented in a converged network, which two factors can be controlled to improve network performance for real-time traffic? (Choose two.)
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Question 2 of 21
2. Question
1 pointsA 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?
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Question 3 of 21
3. Question
2 pointsWhat are two characteristics of voice traffic? (Choose two.)
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Question 4 of 21
4. Question
1 pointsHow does a Cisco router using tail drop handle congestion when a traffic queue becomes full?
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Question 5 of 21
5. Question
1 pointsFor classifying packets into classes with CBWFQ, what is the purpose of configuring a maximum packet limit for a class?
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Question 6 of 21
6. Question
1 pointsA 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?
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Question 7 of 21
7. Question
1 pointsAn 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?
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Question 8 of 21
8. Question
1 pointsWhich queuing algorithm has only a single queue and treats all packets equally?
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Question 9 of 21
9. Question
1 pointsA network administrator is deploying QoS with the ability to provide a special queue for voice traffic so that voice traffic is forwarded before network traffic in other queues. Which queuing method would be the best choice?
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Question 10 of 21
10. Question
2 pointsWhat are two characteristics of DiffServ QoS model? (Choose two.)
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Question 11 of 21
11. Question
2 pointsWhat are two characteristics of the best-effort QoS model? (Choose two.)
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Question 12 of 21
12. Question
1 pointsWhat role do network devices play in the IntServ QoS model?
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Question 13 of 21
13. Question
1 pointsWhich QoS model is very resource intensive and provides the highest guarantee of QoS?
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Question 14 of 21
14. Question
1 pointsIn QoS models, which type of traffic is commonly provided the most preferential treatment over all other application traffic?
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Question 15 of 21
15. Question
2 pointsWhat are two approaches to prevent packet loss due to congestion on an interface? (Choose two.)
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Question 16 of 21
16. Question
2 pointsWhat two fields are available in IPv4 and IPv6 headers to mark packets for QoS? (Choose two.)
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Question 17 of 21
17. Question
1 pointsWhat is the benefit of deploying Layer 3 QoS marking across an enterprise network?
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Question 18 of 21
18. Question
1 pointsWhich QoS technology provides congestion avoidance by allowing TCP traffic to be throttled before buffers become full and tail drops occur?
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Question 19 of 21
19. Question
1 pointsRefer to the exhibit.
As traffic is forwarded out an egress interface with QoS treatment, which congestion avoidance technique is used?
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Question 20 of 21
20. Question
1 pointsWhich QoS model uses the DSCP bits to mark packets and provides 64 possible classes of service?
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Question 21 of 21
21. Question
1 pointsWhich QoS technique retains excess packets in a separate queue for later transmission?
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