CWNP
PW0-105 · Question #86
PW0-105 Question #86: Real Exam Question with Answer & Explanation
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Question
ABC Company has a 2.4 and 5 GHz WLAN deployment supporting four bands in the 5 GHz range (UNII 1, UNII 2, UNII 2e, and UNII 3). DFS functionality is enabled as required by the regulatory domain. Band steering is also enabled to encourage dual-band clients to use frequency bands with more capacity. Your performance analysis shows that many dual-band VoWiFi client devices will move back and forth between 2.4 and 5 GHz as the user roams throughout the building. All APs have 2.4 and 5 GHz radios enabled. This "band hopping" behavior is viewed by network staff to be undesirable. What is the most likely cause of the unpredictable client band selection behavior?
Options
- AInterference from 5 GHz radar sources has increased frame corruption and retries on channels 36-48
- B5 GHz frequencies offer better RF penetration than 2.4 GHz, but 2.4 GHz offers more voice call capacity
- CThe voice client does not support DFS, and therefore experiences some 5 GHz coverage holes as it moves
- DThe client's band selection algorithm prefers 5 GHz, but band steering behavior usually steers 75-85% of
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