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Exam 350-901 topic 1 question 4 discussion

Actual exam question from Cisco's 350-901
Question #: 4
Topic #: 1
[All 350-901 Questions]

Which two statements are considered best practices according to the 12-factor app methodology for application design? (Choose two.)

  • A. Application code writes its event stream to stdout.
  • B. Application log streams are archived in multiple replicated databases.
  • C. Application log streams are sent to log indexing and analysis systems.
  • D. Application code writes its event stream to specific log files.
  • E. Log files are aggregated into a single file on individual nodes.
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Suggested Answer: AC 🗳️

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Highly Voted 3 years, 11 months ago
A C
upvoted 16 times
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ravenfz
Highly Voted 3 years, 11 months ago
A and C -
upvoted 7 times
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johntermlen
Most Recent 9 months, 1 week ago
Selected Answer: AC
A & C
upvoted 1 times
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Teringzooi
1 year, 7 months ago
Selected Answer: AC
A & C A twelve-factor app never concerns itself with routing or storage of its output stream. It should not attempt to write to or manage logfiles. Instead, each running process writes its event stream, unbuffered, to stdout. During local development, the developer will view this stream in the foreground of their terminal to observe the app’s behavior.
upvoted 1 times
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designated
1 year, 8 months ago
Selected Answer: AC
A and C are correct. ## Factor XI: Logs ## Treat logs as event streams. Logs have no fixed beginning or end but flow continuously as long as the app is operating. A 12-factor app never concerns itself with routing or storage of its output stream. It should not attempt to write to or manage log files. Instead, each running process writes its event stream, unbuffered, to stdout. In staging and production deploys, each process’s stream will be captured by the execution environment, collated together with all other streams from the app, and routed to one or more final destinations for viewing and long-term archival. These archival destinations are not visible to or configurable by the app.
upvoted 2 times
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QuiShong
1 year, 10 months ago
Selected Answer: AC
Apps should never write to log files.
upvoted 1 times
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ferock
2 years ago
AC Factor XI: Logs Treat logs as event streams Logs have no fixed beginning or end but flow continuously as long as the app is operating. A 12-factor app never concerns itself with routing or storage of its output stream. It should not attempt to write to or manage log files. Instead, each running process writes its event stream, unbuffered, to stdout.
upvoted 2 times
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__al__
2 years, 1 month ago
Selected Answer: AC
I don't even need to add any other comments. Pretty much everyone else here nailed it.
upvoted 1 times
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python_tamer
2 years, 2 months ago
Selected Answer: AC
A twelve-factor app never concerns itself with routing or storage of its output stream. It should not attempt to write to or manage logfiles. Instead, each running process writes its event stream, unbuffered, to stdout. --- Most significantly, the stream can be sent to a log indexing and analysis system such as Splunk, or a general-purpose data warehousing system such as Hadoop/Hive.
upvoted 2 times
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Guillaume
2 years, 5 months ago
Selected Answer: AC
AC
upvoted 4 times
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phc1978
2 years, 11 months ago
- log streaming (https://12factor.net/logs) - Application code writes its event stream to stdout. - Write the logs unbuffered to stdout. - Application log streams are sent to log indexing and analysis systems such as Splunk.
upvoted 2 times
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Elvergalarga
3 years, 1 month ago
Absolutely A & C
upvoted 2 times
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Kaddi
3 years, 6 months ago
It is A & C
upvoted 2 times
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Fedesaucho
3 years, 11 months ago
It´s A and C for me
upvoted 5 times
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A (35%)
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