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PostgreSQL PGCES-02 Exam - Topic 4 Question 35 Discussion

The following are statements related to the postmaster. Select one statement that is incorrect.
A) postmaster is a server process that receives connections from clients.
B) The 'pg_ctl start' command boots up postmaster.
C) It is not possible to boot up the postmaster process by directly executing the postmaster command.
D) One postmaster process controls one database cluster.
E) The 'pg_ctl stop' command stops postmaster.

PostgreSQL PGCES-02 Exam - Topic 4 Question 35 Discussion

Actual exam question for PostgreSQL's PGCES-02 exam
Question #: 35
Topic #: 4
[All PGCES-02 Questions]

The following are statements related to the postmaster. Select one statement that is incorrect.

Show Suggested Answer Hide Answer
Suggested Answer: A

by Nicolette at Nov 21, 2022, 09:54 PM

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Miesha
8 months ago
D is correct, one postmaster for one cluster, no doubt about it.
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Terrilyn
8 months ago
B and E are spot on, those commands are essential!
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Tori
9 months ago
Wait, can you really not start postmaster directly? That seems odd.
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Winfred
9 months ago
I think C is the one that's incorrect.
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Skye
9 months ago
A is definitely true, postmaster handles client connections.
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Samira
9 months ago
I feel like D is true because I recall that one postmaster does control one database cluster, but I could be wrong.
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Jillian
9 months ago
I practiced a similar question, and I think it is possible to execute the postmaster command directly, so C might be the incorrect one.
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Alyce
9 months ago
I’m not entirely sure, but I think the 'pg_ctl start' command is supposed to start the postmaster, which makes B sound right.
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Beula
9 months ago
I remember that the postmaster is indeed a server process, so A seems correct.
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Beth
9 months ago
Hmm, I'm not entirely sure about this one. I'll need to think it through carefully to make sure I get the right answer.
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Janet
10 months ago
Hmm, I'm not sure about this one. The case feed seems to have some connection to call control and Visualforce, so I might try B or C.
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Ashlee
1 year ago
Hmm, I'm not sure about that. Doesn't the postmaster handle all the incoming connections from clients? Seems like an important job!
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William
1 year ago
Option D is incorrect. One postmaster process can manage multiple database clusters, not just one.
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Portia
1 year ago
E
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Jerry
1 year ago
C
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Samira
1 year ago
B
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Jennifer
1 year ago
A
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Jerry
1 year ago
Haha, what if the postmaster is a postal worker? I'd be pretty confused if I had to start up a database with that command!
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Katlyn
1 year ago
E) The \'pg_ctl stop\' command stops postmaster.
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Kenny
1 year ago
B) The \'pg_ctl start\' command boots up postmaster.
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Rodolfo
1 year ago
A) postmaster is a server process that receives connections from clients.
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Ariel
1 year ago
I agree, option C is wrong. The postmaster command can definitely be used to start the server process.
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Joni
1 year ago
D) One postmaster process controls one database cluster.
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Silva
1 year ago
B) The \'pg_ctl start\' command boots up postmaster.
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Wilbert
1 year ago
A) postmaster is a server process that receives connections from clients.
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Bulah
1 year ago
I disagree, I believe the incorrect statement is D because one postmaster process can control multiple database clusters.
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Jerry
1 year ago
I agree with Bulah, because you can actually start the postmaster process directly.
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Ulysses
1 year ago
Option C seems incorrect. You can directly execute the postmaster command to boot up the process.
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Silvana
1 year ago
Option C seems incorrect. You can directly execute the postmaster command to boot up the process.
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Therese
1 year ago
E) The \'pg_ctl stop\' command stops postmaster.
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Latrice
1 year ago
D) One postmaster process controls one database cluster.
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Celestina
1 year ago
B) The \'pg_ctl start\' command boots up postmaster.
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Shalon
1 year ago
A) postmaster is a server process that receives connections from clients.
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Bulah
1 year ago
I think the incorrect statement is C.
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