Practice Quiz

CWNA Wireless Network Administrator

Category - CWNA

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You are to increase the capacity of an existing wireless LAN that works on FHSS technology. You want FHSS to be replaced with the DSSS technology to achieve the objective. Which of the following statements could justify your judgment?
  1. FHSS devices will cost less and have greater throughput.
  2. DSSS devices will cost more, but have greater throughput.
  3. New FHSS devices placed in the system may not be compatible with the older devices.
  4. DSSS is more secure than FHSS.
Explanation
Answer - C - New FHSS devices placed in the system may not be compatible with the older devices.

Key Takeaway: Compatibility is a major concern with FHSS systems. The two standards manufacturing FHSS hardware are losing popularity. They are incompatible standards and there are very few organizations performing FHSS testing for interoperability. Hence, the system must be migrated to DSSS.
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