Learn about the key characteristics of an SSID in wireless networks. Discover how an SSID identifies an access point on a WLAN and associates a name to it. Prepare for the Cisco CCNA 200-301 certification exam with our expert insights.

Question

What is a characteristic of an SSID in wireless networks?

A. uses policies to prevent unauthorized users
B. identifies an access point on a WLAN
C. prompts a user for a login ID
D. associates a name to a WLAN

Answer

D. associates a name to a WLAN

Explanation

An SSID (Service Set Identifier) is a unique identifier that associates a name to a wireless local area network (WLAN). It is a case-sensitive string of up to 32 characters that differentiates one WLAN from another. When an access point (AP) broadcasts its SSID, wireless clients can discover and connect to the corresponding WLAN. Multiple APs can share the same SSID, allowing clients to roam seamlessly between them while maintaining connectivity to the same WLAN. The SSID is a crucial component in wireless network configuration and plays a vital role in client association and network identification.

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