Huawei
H12-891_V1.0 · Question #585
A company has two main network businesses: 1. Real-time video streaming service based on UDP 2. TCP-based FTP download service The company's network administrator often receives complaints that the…
The correct answer is A. The device has set a traffic speed limit for FTP, and the speed limit is too small. B. The video service has a higher priority and occupies the bandwidth of the FTP service. D. The device uses tail drop technology, causing TCP global synchronization to affect the FTP rate. See the full explanation below for the reasoning.
QoS and Network Security
Question
A company has two main network businesses: 1. Real-time video streaming service based on UDP 2. TCP-based FTP download service The company's network administrator often receives complaints that the company's FTP service downloads are very slow, or sometimes fast or slow. What items may be causing this problem?
Options
- AThe device has set a traffic speed limit for FTP, and the speed limit is too small.
- BThe video service has a higher priority and occupies the bandwidth of the FTP service.
- CThe device performs PQ scheduling for FTP services and WFQ scheduling for video services,
- DThe device uses tail drop technology, causing TCP global synchronization to affect the FTP rate.
How the community answered
(40 responses)- A70% (28)
- C30% (12)
Topics
#QoS scheduling#TCP global synchronization#tail drop#traffic priority
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