COMPTIA A+ Practice Exam 2026 – 400 Free Practice Questions to Pass the Exam

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How does UDP differ from TCP?

UDP is connectionless with no error checking

UDP is different from TCP because it does not establish a connection before transmitting data and it also does not have error checking, meaning that no guarantee is made for the delivery of data. Option B is incorrect because TCP is the protocol that uses a connection-oriented approach. Option C is incorrect because UDP is not exclusively used for email, it can be used for a variety of applications. Option D is incorrect because UDP can be used for real-time applications, but may not be the best choice due to its lack of error checking.

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UDP uses a connection-oriented approach

UDP is used exclusively for email

UDP cannot be used for real-time applications