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MongoDB is a popular open-source document-oriented database that has gained immense popularity over the years. As more and more businesses are adopting MongoDB, the demand for professionals who can manage and maintain these databases has also increased. To address this demand and help professionals validate their skills, MongoDB offers a certification program. The MongoDB Certified DBA Associate Exam (C100DBA) is one such certification exam that is designed to test the skills and knowledge of professionals who want to become certified MongoDB DBAs.
>> New C100DBA Test Answers <<
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MongoDB C100DBA certification is highly valued by employers as it demonstrates the candidate's proficiency in MongoDB database administration. It is also an excellent way for professionals to advance their careers and increase their earning potential. With the increasing demand for MongoDB database administrators, the MongoDB C100DBA Certification is becoming an essential requirement for many job opportunities.
NEW QUESTION # 122
What command will successfully start the mongod daemon with all default settings as a background task?
Answer: A
Explanation:
The --fork option starts mongod in daemon mode so the server process continues in the background. When -- fork is used, MongoDB requires diagnostic output to be redirected through a logging destination such as -- logpath or --syslog; the process cannot simply detach while continuing to use the normal foreground output stream. Option C supplies both --fork and a valid log path, while leaving the other server settings at their normal defaults unless they are configured elsewhere. Option A explicitly sets the default port but does not satisfy the logging requirement associated with --fork. Option B treats the literal word default as a filesystem path and does not provide the required log destination. Option D uses an unsupported --default switch. In production, MongoDB packages commonly use service managers such as systemd, and a configuration file is usually preferred over manually launching mongod with a long list of command-line options. Nevertheless, among the commands shown, C is the one that correctly daemonizes the server process and provides the logging configuration required for a successful fork.
Study Guide reference/topic:MongoDB Architecture and Core Operations - mongod startup, background execution, logging, and server configuration.
NEW QUESTION # 123
Consider that the posts collection contains an array called ratings which contains ratings given to the post by various users in the following format:
Which of the following query will return all the documents where the ratings array contains elements that in some combination satisfy the query conditions?
Answer: A
NEW QUESTION # 124
Consider that our posts collection contains an array field called tags that contains tags that the user enters. {
Which of the following commands will find all the posts that have been tagged as tutorial.
Answer: A
NEW QUESTION # 125
Given a collection posts as shown below having a document array comments, which of the following command will create an index on the comment author descending?
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