The lecturer says default writeConcern in MongoDB is {w:1}. But according to https://www.mongodb.com/docs/v5.0/reference/mongodb-defaults/ it should be {w:majority}?
(certification now is based on v5.0)
Hi 
@Kei_Man_Chau,
Welcome to the MongoDB Community forums 
Thank you so much for sharing that, I will forward this feedback to our Curriculum Engineering Team and they will surely take look into it and will try to work on a suitable fix needed for the same.
Regards,
Kushagra Kesav
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