Which of the following commands can cause the database to be locked?

Posted by: Pdfprep Category: C100DBA Tags: C100DBA exam questions, C100DBA practice exam, MongoDB Certified DBA Associate Post Date: January 27, 2021

Which of the following commands can cause the database to be locked?
A . All of the above
B . Inserting data
C . Map-reduce
D . Issuing a query

Answer: A