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CompTIA CV0-004 Exam - Topic 3 Question 50 Discussion

Which of the following integration systems would best reduce unnecessary network traffic by allowing data to travel bidirectionally and facilitating real-time results for developers who need to display critical information within applications?
D) Web sockets
A) REST API
B) RPC
C) GraphQL

CompTIA CV0-004 Exam - Topic 3 Question 50 Discussion

Actual exam question for CompTIA's CV0-004 exam
Question #: 50
Topic #: 3
[All CV0-004 Questions]

Which of the following integration systems would best reduce unnecessary network traffic by allowing data to travel bidirectionally and facilitating real-time results for developers who need to display critical information within applications?

Show Suggested Answer Hide Answer
Suggested Answer: D

Web sockets provide a full-duplex communication channel over a single, long-lived connection, allowing data to flow bidirectionally between a client and a server. This is ideal for real-time applications where developers need to display critical information without unnecessary network overhead, as it reduces the need for repetitive HTTP requests and allows for more efficient, instantaneous data updates and interactions.


by Glen at Jun 22, 2026, 02:51 AM

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Peter
2 days ago
GraphQL is great too, but not as real-time as Web sockets.
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Nettie
7 days ago
Totally agree, they handle bidirectional communication well!
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Clarence
12 days ago
I think Web sockets are the best for real-time data.
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Cathern
17 days ago
I practiced a similar question, and I think RPC is more about procedure calls than real-time data, so it might not fit this scenario.
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Sherill
22 days ago
I feel like REST APIs are more traditional, but they might not handle bidirectional data as well as something like GraphQL or Web sockets.
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Marguerita
28 days ago
I'm not entirely sure, but I remember something about Web sockets being good for real-time communication. Could that be the answer?
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Mariko
1 month ago
I think GraphQL might be the right choice since it allows clients to request only the data they need, which could help reduce traffic.
upvoted 0 times
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