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Difficulty: EasyNTP Client and Server Operations and Configuration

A network technician needs to configure a Cisco router to operate as an Network Time Protocol (NTP) client and synchronize its internal system clock with a central time server located at IP address 172.16.10.100. Which global configuration command must be executed on the router to accomplish this task?

  1. ntp server 172.16.10.100Answer
  2. B
    ntp peer 172.16.10.100
  3. C
    ntp master 172.16.10.100
  4. D
    clock set 172.16.10.100

Answer

The command 'ntp server 172.16.10.100' in global configuration mode configures the local Cisco device as an NTP client that synchronizes its system time from the specified IP address.
The command 'ntp server 172.16.10.100' instructs the Cisco IOS router to operate as an NTP client in client-server mode, sending unicast NTP requests to the specified IP address to synchronize its clock.

Step-by-Step Solution

1
Identify the role required for the router.
The router must act as an NTP client receiving time from an external server.
The requirement states that the router needs to synchronize its clock to an existing centralized server at IP address 172.16.10.100.
2
Evaluate Cisco IOS NTP configuration commands.
The command 'ntp server <ip-address>' establishes client-server NTP association.
Global configuration command 'ntp server 172.16.10.100' configures the router to query the NTP daemon at 172.16.10.100 for time updates.

Key Concept

NTP Client Configuration
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Topics

NTP Client and Server Operations and Configuration

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