Implementing Cisco Collaboration Core Technologies (CLCOR 350-801) Practice Test 2026 – Your All-in-One Guide to Exam Success!

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For proper time synchronization, which protocol must be configured and reachable by all collaboration nodes?

LDAPS

SMTP

FTP

NTP

Time synchronization across collaboration nodes must have a common time source. The protocol used to distribute time over a network is NTP. By configuring all collaboration nodes as NTP clients (or pointing them to reachable NTP servers), clocks stay aligned, which is essential for accurate logging, certificate validity checks, event sequencing, and scheduling. The other protocols—LDAPS, SMTP, and FTP—are for directory access, mail, and file transfer, not for distributing time, so they don’t provide the necessary clock synchronization. Ensure network connectivity to the NTP servers and allow UDP port 123 through firewalls.