200-301 Question #1264: Real Exam Question with Answer & Explanation

Question

What is the purpose of an SSID?

Options

• AIt identifies an individual access point on a WLAN.
• BIt differentiates traffic entering access points.
• CIt provides network security.
• DIt identifies a WLAN.

Explanation

An SSID (Service Set Identifier) serves as the name for a wireless local area network (WLAN), allowing users to identify and connect to specific networks.

Common mistakes.

• A. An SSID identifies the entire WLAN, not just a single access point, although multiple APs can broadcast the same SSID to extend the same network.
• B. While different SSIDs can segment traffic, their primary purpose is identification, and traffic differentiation is typically handled by VLANs or QoS policies associated with the SSID, not the SSID itself.
• C. While SSIDs are often paired with security protocols (like WPA2/3), the SSID itself is merely the network's name and does not inherently provide security, which is handled by authentication and encryption methods.

Concept tested. Wireless network basics (SSID purpose)

Reference. https://www.cisco.com/c/en/us/products/wireless/what-is-ssid.html

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