Identify the error in this Python pika code snippet for setting prefetch count:

medium📝 Troubleshoot Q6 of 15

RabbitMQ - Performance Tuning

channel.basic_qos(prefetch=10)

AIncorrect parameter name; should be prefetch_count instead of prefetch

BMethod name is wrong; should be set_qos instead of basic_qos

CPrefetch count must be a string, not an integer

DNo error; code is correct

Step-by-Step Solution

Solution:

Step 1: Check method and parameters in pika
The correct method is basic_qos with parameter prefetch_count.
Step 2: Identify parameter mistake
Using 'prefetch' instead of 'prefetch_count' causes an error.
Final Answer:
Incorrect parameter name; should be prefetch_count instead of prefetch -> Option A
Quick Check:
pika basic_qos param = prefetch_count [OK]

Quick Trick: Use prefetch_count param in basic_qos for pika [OK]

Common Mistakes:

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