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Listening Quiz: Thảo Luận QoS cho Lưu Lượng Thoại và Video – Easy Level
Th9 4, 2025
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bởi
Anna Phạm
trong
Tiếng Anh dành cho công nghệ thông tin (English for IT)
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1.
What are Olivia and Kevin mainly discussing?
How to install new network hardware
How to set up QoS for voice and video traffic
Why older devices are faster than newer ones
How to reduce the number of users on the network
Explanation:
The conversation is about configuring QoS settings for voice and video traffic, including priority markings, bandwidth limits, device support, and testing.
2.
Which DSCP value do Olivia and Kevin assign to voice traffic?
BE
AF31
EF
AF41
Explanation:
Olivia says they should mark voice traffic with DSCP EF.
3.
Why do they want to limit bandwidth for other data?
To increase the number of devices on the network
To make older devices support QoS
To avoid delays or packet loss
To remove the need for QoS testing
Explanation:
Kevin and Olivia say bandwidth should be limited for other data to avoid delays or packet loss.
4.
What can be inferred about the network devices Olivia mentions?
All of them already support QoS perfectly
They are only used for video traffic
They do not need to be tested
Some of them may not be able to use the QoS settings
Explanation:
Olivia says some older devices may not support QoS, which implies that not all devices can use the settings properly.
5.
What will Kevin most likely do next?
Start configuring the QoS
Replace all older devices
Stop using voice traffic on the network
Change the video traffic to BE
Explanation:
Kevin says, ‘I will start configuring the QoS now,’ which clearly states his next action.
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