300-370 Question #138: Real Exam Question with Answer & Explanation

The correct answer is C: Network Time Protocol. AP is not joining because time is wrong on the WLC – correct config of NTP (or setting the correct date/time on the controller manually) would fix the issue. See here for explanation, look for error “CERTIFICATE_INVALID_NOT_YET_VALID”: https://community.cisco.com/t5/wireless-and-

Question

Refer to the exhibit. Which configuration must be addresses to correct this issue?

Exhibit

Options

Aself-signed certificate
BDHCP Option 43
CNetwork Time Protocol
DAP authorization list

Explanation

AP is not joining because time is wrong on the WLC – correct config of NTP (or setting the correct date/time on the controller manually) would fix the issue. See here for explanation, look for error “CERTIFICATE_INVALID_NOT_YET_VALID”: https://community.cisco.com/t5/wireless-and-mobility/ap-can-t-join-dtls-connection-closed-by- controller/td-p/1871401

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