The Ajax Corporation is designing an IP telephony network using Cisco MCS 7845 Series servers, each one capable of supporting 7500 devices. The design must meet these requirements:
(1) be cost-effective
(2) support up to 7500 phones
(3) provide a minimal level of redundancy
Which configuration will meet Ajax Corporation’s needs?
A. two Cisco Unified Communications Manager servers:
1 publisher and TFTP server combined
1 primary subscriber
B. three Cisco Unified Communications Manager servers:
1 publisher and TFTP server combined
1 primary subscriber
1 backup subscriber
C. four Cisco Unified Communications Manager servers:
1 publisher
1 TFTP server
1 primary subscriber
1 backup subscriber
D. five Cisco Unified Communications Manager servers:
1 publisher
1 TFTP server
1 primary subscriber
2 backup subscribers
