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The ___________ provides information for various lock types and lock modes held during the operation.(a) admin.system.authlocks(b) system.profile.locks(c) admin.system.locks(d) all of the mentioned |
Answer» Right answer is (b) system.profile.locks Explanation: MongoDB uses reader-writer locks that allow concurrent readers shared access to a resource, such as a database or collection, but give exclusive access to a single write operation. |
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