M102 HOMEWORK 2.1

Which of the following options will allow you to ensure that a primary is available during server maintenance, and that any writes it receives will replicate during this time? Instead of running it normally, you need to right-click and Run As Administrator. It was only an issue when running with multiple processes that need to communicate, such as in the topics covering Replica Sets and Sharding. For question three, check value for indexName key which gives name of index used. This will simply confirm all the above happened ok. Check all that apply.

Run the same query, but this time do an explain. Once you have it right and are ready to move on, ctrl-c terminate the shell that is still running the homework. You only have two data centers available. It was only an issue when running with multiple processes that need to communicate, such as in the topics covering Replica Sets and Sharding. The questions were all quite straightforward and covered in the online course material. Your email address will not be published. Which of the following are true about mongodb’s operation in these scenarios?

Once you have eliminated the slow operation, run on your second tab:. For question ho,ework, check value for indexName key which gives name of index used. How many documents do you have?

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Which of the following options will allow you to ensure that a primary is available during server maintenance, and that any writes it receives will replicate during this time? In a mongo shell run homework.

M102 WEEK 3

Once done with that, homewokr homework. I installed the latest version of MongodDB version 3. When you are done, run: Once you have it right and are ready to move on, ctrl-c terminate the shell that is still running the homework.

One homeworkk to assure people vote at most once per posting is to use this form of update: MongoDB has a data type for binary data. October 31, March 10, Sonali. Check all that apply.

Does the explain output indicate that an index was used? Next, download the handout and run: That is, have a voice field present in the limits subdocument. Newer Post Older Post Home. It contains 3 documents.

m102 homework 2.1

Then when you start your MongoDB processes they will function correctly. Based on the explain output, which of the following statements below are true? Start a mongod server instance if you still have a replica set, that would work too.

m102 homework 2.1

In this problem, ‘s oplog was effectively a “fork” and to preserve write ordering a rollback was necessary during ‘s recovery homewoek. Posted by SiteAdmin at However, I didn’t have any problems related to the version. Once you have it right and are ready to move on, ctrl-c terminate the shell that is still running the homework. It was only an issue when running with multiple processes that need to communicate, such as in the topics covering Replica Sets and Sharding.

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Reconfigure the replica set so that the third member can never be primary. What is the output? Most MongoDB queries involve javascript execution on the database server s.

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Which of these statements is true? Add another data bearing node. None of the above.

m102 homework 2.1

Run the same query, but this time do an explain. Leave a Reply Cancel reply Your email address will not be published. Download and extract the json file in products. MongoDB is “multi-master” — you can write anywhere, anytime.