Different NTP restrictions can be configured through ACLs on Cisco devices. Match the restriction keyword with the restriction it applies.

Explanation:
| Time synchronization requests and control queries are allowed. The device is not allowed to synchronize itself to remote systems that pass the access list. | Serve |
| Time synchronization requests and control queries are allowed. The device is allowed to synchronize itself to remote systems that pass the access list. | Peer |
| This keyword only allows synchronization requests. | serve-only |
| This keyword only allows control queries. | query-only |
Related exam: Modules 17 – 20: Checkpoint Exam: Virtualization and Network Services Answers (CCNP ENCOR v9)
