Scenario: A NetScaler Engineer is viewing Authentication, Authorization and Access (AAA) events on the NetScaler applian

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Scenario: A NetScaler Engineer is viewing Authentication, Authorization and Access (AAA) events on the NetScaler appliance to determine why a user is unable to log on. The events below have been logged during this timeframe:Fri Oct 17 18:17:16 2014 -/usr/home/build/rs_80_48/usr.src/usr.bin/nsaaad/../../netscaler/aaad/ldap_drv.c[40\]: start_ldap_auth attempting to auth scottli @ 10.12.33.216Fri Oct 17 18:17:18 2014 -/usr/home/build/rs_80_48/usr.src/usr.bin/nsaaad/../../netscaler/aaad/ldap_drv.c[291\]: recieve_ldap_bind_event receive ldap bind eventFri Oct 17 18:17:18 2014 -/usr/home/build/rs_80_48/usr.src/usr.bin/nsaaad/../../netscaler/aaad/ldap_drv.c[326\]: recieve_ldap_bind_event ldap_bind with binddn bindpw failed:Invalid credentials Fri Oct 1718:17:18 2014/usr/home/build/rs_80_48/usr.src/usr.bin/nsaaad/../../netscaler/aaad/naaad.c[1198\]: send_reject sending reject to kernel for : scottliWhat is the root cause of this issue?

A. The LDAP Base DN is incorrect.
B. The Bind DN credentials are invalid.
C. The LDAP server is NOT responding.
D. The user has entered an invalid password.