Based on the explain output, which of the following statements below are true? Newer Post Older Post Home. Add another data bearing node. When you ask why, they explain that this ensures that the data will be durable in the face of the failure of either server. The questions were all quite straightforward and covered in the online course material.
The questions were all quite straightforward and covered in the online course material. Not that hard really, we just need to remember that arbiters are only useful in elections. One way to assure people vote at most once per posting is to use this form of update: Really nice blog post. Check all that apply.
Based on the explain output, which of the following statements below are true? Anuj Singh 4 January at This will simply confirm all the above happened ok.
This is really the “trick” to the question. Note that there are two requirements in the question. MongoDB Training in Irving.
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I installed the latest version of MongodDB version 3. That is, have a voice field present in the limits subdocument. Once you have eliminated the slow operation, run on your second tab: Therefore, we need to add at least one data-bearing member to our current deployment to satisfy that requirement. Newer Post Older Post Home.
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Then when you start your MongoDB processes they will function correctly. How many products have a voice limit?
You have just been hired at a new company with an existing MongoDB deployment. You only have two data centers available. Reconfigure the replica set so that the third member can never be primary. You are concerned about mmongodb things, however. My first introduction to MongoDB was to sign up to university.
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Check all that apply:. Now, what query would you run to get all the products where brand equals the string “ACME”?
Really nice blog post. First, a server is brought down for maintenance once a month. When this is done, the replica set primary steps down, and the set cannot accept writes. Newer Post Older Post Home. Check all that apply. MongoDB allows you to choose the storage engine separately for homweork collection on your mongod. Not that it matters, but Option 3 doesn’t satisfy the first requirement either. MongoDB is “multi-master” — you can write anywhere, anytime. They also explain that should they moongodb a readPreference of “primaryPreferred”, that the application can read from the one remaining server during server maintenance.
Once done with that, run homework. I installed the latest version of MongodDB version 3. How many products have a voice limit?
It’s maybe a bit of a trick question as the important thing is to relate the requirements to the particular set mongosb options they offer in the answers.