How fast can Cisco Unified Communications Manager generate CDR and CMR files?
A. one CDR file and one CMR file every second for up to 1 minute
B. one CDR file and one CMR file every minute for up to 1 hour
C. ten CDR files and ten CMR files every hour for up to 1 day
D. ten CDR files and ten CMR files every day for up to 1 week
B is the answer
“Every Cisco Unified Communications Manager node can generate one CDR file and one CMR file every
minute for up to 1 hour. ”
p.138
https://d1nmyq4gcgsfi5.cloudfront.net/fileMedia/1da42db9-5e23-43b3-a6f6-fd4e796ed9d2/6.0(1)%20Cisco%20Unified%20Communication%20Manager%20Call%20Detail%20Record%20Analysis%20&%20Definitions.pdf
Based on the below, the answer is B
“Every Cisco Unified Communications Manager can generate one CDR file and one CMR file every minute for up to 1 hour. You can configure the maximum disk space that is used for storage of CDR files in the CDR Repository through provisioning.”
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/service/8_6_1/cdrdef/cdradmin/cdrund.html