MongoDB Questions and Answers – Exit Codes and Statuses

This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “Exit Codes and Statuses”.

1. Which of the following code is used for the successful exit of task?
a) 0
b) 1
c) 2
d) 3
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2. Point out the correct statement.
a) 2 is returned by mongod if there is a mismatch between hostnames specified on the command line and in the local.sources collection
b) When an index covers a query, MongoDB can both match the query conditions and return the results using only the index keys
c) Both 2 and 4 are returned by mongod if there is a mismatch between hostnames specified on the command line and in the local.sources collection
d) All of the mentioned
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3. Instance exits cleanly are represented by ___ exit code.
a) 4
b) 1
c) 2
d) 3
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4. Which of the following code is returned by mongod if a moveChunk operation fails to confirm a commit?
a) 5
b) 6
c) 7
d) 3
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5. Point out the correct statement.
a) Exit code 10 is for abnormal exit
b) 4 is returned when the version of the database is different from the version supported by the mongod (or mongod.exe) instance
c) The server socket is on port 27017 by default
d) None of the mentioned
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6. Which of the following code represents exit cleanly following a large clock skew (32768 milliseconds) event?
a) 45
b) 20
c) 47
d) 100
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7. 49 code is returned by mongod from _________ Service control Manager.
a) Linux
b) Windows
c) Ubuntu
d) All of the mentioned
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8. Which of the following code is returned when a MongoDB application cannot open a file?
a) 45
b) 20
c) 47
d) 100
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9. Identify the message returned by MongoDB applications for Windows due to failures installing?
a) Message: ERROR: wsastartup failed <reason>
b) Message: NT Service Error
c) Message: wsastartup failed <reason>
d) None of the mentioned
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10. Which of the following document represents uncaught exception?
a) 45
b) 49
c) 47
d) 100
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