CompTIA Network+ Practice Test

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Prepare for the CompTIA Network+ Exam with interactive quizzes, flashcards, and detailed explanations. Enhance your networking knowledge and ace your certification test with confidence!

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What does an Extended Service Set Identifier (ESSID) allow in a wireless network?

Enhanced data encryption
Seamless roaming between access points
Increased network coverage
Reduced number of devices connected

The correct answer is: Seamless roaming between access points

An Extended Service Set Identifier (ESSID) is used in Wi-Fi networks, specifically in configurations that involve multiple access points. The ESSID allows for seamless roaming by enabling devices to move between different access points within the same wireless network without dropping their connection. This capability is crucial for maintaining a consistent connection, particularly in large areas where multiple access points are deployed to cover greater distances and provide better signal strength. When devices connect to a network using the same ESSID, they can switch between access points almost invisibly, which enhances the user experience in settings like offices, schools, or public hotspots. This roaming feature is essential for maintaining connectivity for mobile devices, ensuring that users can move freely while staying connected to the network. While enhanced data encryption, increased network coverage, and the reduction of the number of devices connected are beneficial attributes of wireless networks, they do not relate directly to the primary function of an ESSID, which is to facilitate seamless mobility across access points.