Exam H12-921_V1.0 Topic 1 Question 234 Discussion

Actual exam question for Huawei's H12-921_V1.0 exam
Question #: 234
Topic #: 1
In a CloudFabric intelligent lossless network, when the last two bits of the TOS field in the IP header are the following values, it means that the network is congested?

Suggested Answer: C Vote an answer

Resolution: When a packet in the queue of a CP (Congestion Point) exceeds the Explicit Congestion Notification (ECN) threshold The CP marks the forwarded packets with an ECN congestion mark (ECN field is set to 11), and the ECN congestion mark uses the ToS in the IP packet header The last two bits of the field, which have the following meanings: 00 - Transmission of ECN is not supported, non-ECT (ECN-Capable Transport, supported ECN transmission). 10 - Support for ECN transmission, ECT(0). 01 - Yes Transmission of ECN, ECT (1). 11 - CE (Congestion Encountered).

by Deirdre at Feb 01, 2024, 08:09 AM

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