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 is a Basic Service Set Identifier (BSSID)?

An identifier for the network type
A unique MAC address for an access point
An encryption key for securing connections
The name of the Wi-Fi network

The correct answer is: A unique MAC address for an access point

The Basic Service Set Identifier (BSSID) refers specifically to the unique MAC address assigned to a wireless access point within a Wi-Fi network. This identifier plays a crucial role in distinguishing between multiple access points that may belong to the same Extended Service Set (ESS). Each access point has its own BSSID, which facilitates communication and data transmission between wireless devices and the network, even in environments where multiple access points might be present. By using the BSSID, devices can identify which access point they are communicating with, which ensures that they connect to the correct one, especially in areas where overlapping wireless networks exist. This is essential for maintaining network performance and security, as it helps prevent confusion or interference with transmissions. Understanding the function of the BSSID is fundamental for networking professionals managing wireless networks.