COMPTIA A+ Practice Exam

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Ace your COMPTIA A+ certification with our practice exam. Engage with a variety of questions including multiple choice and performance-based, complete with hints and detailed explanations. Prepare effectively and boost your confidence for the big day!

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How does UDP differ from TCP?

UDP is connectionless with no error checking
UDP uses a connection-oriented approach
UDP is used exclusively for email
UDP cannot be used for real-time applications

The correct answer is: 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.