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CompTIA Exam DS0-001 Topic 1 Question 7 Discussion

Actual exam question for CompTIA's DS0-001 exam
Question #: 7
Topic #: 1
[All DS0-001 Questions]

Which of the following computer services associates IP network addresses with text-based names in order to facilitate identification and connectivity?

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Suggested Answer: B

The constraint that is used to enforce referential integrity is foreign key. A foreign key is a column or a set of columns in a table that references the primary key of another table. A primary key is a column or a set of columns in a table that uniquely identifies each row in the table. Referential integrity is a rule that ensures that the values in the foreign key column match the values in the primary key column of the referenced table. Referential integrity helps maintain the consistency and accuracy of the data across related tables. The other options are either different types of constraints or not related to referential integrity at all. For example, a surrogate key is a column that is artificially generated to serve as a primary key, such as an auto-increment number or a GUID (Globally Unique Identifier); a unique key is a column or a set of columns in a table that uniquely identifies each row in the table, but it can have null values unlike a primary key; there is no such constraint as TID.Reference:CompTIA DataSys+ Course Outline, Domain 1.0 Database Fundamentals, Objective 1.2 Given a scenario, execute database tasks using scripting and programming languages.


by Shawna at Oct 22, 2023, 04:03 PM

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Tiara
1 months ago
IDNS? Isn't that what those aliens use in that sci-fi movie I watched last night? I'm sticking with DHCP, it's the only one that makes any sense.
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Rikki
1 months ago
Hold on, is IDNS even a real thing? I've never heard of it before. I'm going to have to go with DHCP on this one.
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Margarett
1 months ago
I'm going to have to go with LDAP. It's all about managing user identities and access, which seems relevant to this question.
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Man
7 days ago
Actually, the correct answer is IDNS. It stands for Internet Domain Name System.
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Enola
19 days ago
I agree with you, DHCP is the right choice for associating IP network addresses with text-based names.
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Emilio
29 days ago
I think DHCP is the correct answer. It assigns IP addresses to devices on a network.
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Val
2 months ago
DHCP seems like the obvious choice. It's all about dynamically assigning IP addresses to devices on a network.
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Lorenza
8 days ago
B) NTP
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Remona
1 months ago
A) LDAP
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Paola
2 months ago
I'm pretty sure IDNS is the answer here. It's the only one that specifically mentions associating IP addresses with text-based names.
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Providencia
10 days ago
Let's go with IDNS then, it seems to be the best fit.
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Juan
26 days ago
I agree with you, IDNS is the most likely choice.
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Leslie
1 months ago
I'm not so sure, I think DHCP might also be a possibility.
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Doretha
1 months ago
I think you're right, IDNS does sound like the correct answer.
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Carmen
1 months ago
I think you're right. IDNS is the only option that fits that description.
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Corinne
1 months ago
IDNS is the correct answer. It associates IP addresses with text-based names.
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Jesusita
2 months ago
I see your point, DHCP does associate IP network addresses with text-based names for connectivity.
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Micaela
2 months ago
I disagree, I believe the correct answer is C) DHCP.
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Jesusita
2 months ago
I think the answer is D) IDNS.
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