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:
be cost-effective
support up to 7500 phones
provide a minimal level of redundancy
Which configuration will meet Ajax Corporation 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