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350-401 · Question #1160

Refer to the exhibit. What are two results of the NTP configuration? (Choose two.)

The correct answer is A. It uses other systems as an authoritative time source. B. It distributes the time via NTP broadcast and multicast packets.. This question asks to identify two results of a specific NTP configuration, implicitly involving both acting as a client and distributing time.

Submitted by haru.x· Mar 6, 2026

Question

Refer to the exhibit. What are two results of the NTP configuration? (Choose two.)

Exhibits

350-401 question #1160 exhibit 1
350-401 question #1160 exhibit 2

Options

  • AIt uses other systems as an authoritative time source.
  • BIt distributes the time via NTP broadcast and multicast packets.
  • CIt distributes the time via NTP broadcast packets.
  • DIt forms a peer association with another system.
  • EIt uses the hardware clock as an authoritative time source.

How the community answered

(30 responses)
  • A
    70% (21)
  • C
    7% (2)
  • D
    3% (1)
  • E
    20% (6)

Why each option

This question asks to identify two results of a specific NTP configuration, implicitly involving both acting as a client and distributing time.

AIt uses other systems as an authoritative time source.Correct

When configured with an `ntp server` command, the device synchronizes its clock with the specified server, thus using other systems as an authoritative time source.

BIt distributes the time via NTP broadcast and multicast packets.Correct

If the NTP configuration includes commands like `ntp broadcast` or `ntp multicast`, the device distributes its synchronized time to other network devices using either broadcast or multicast NTP packets.

CIt distributes the time via NTP broadcast packets.

While broadcast distribution might be enabled, option B is more comprehensive by also including multicast, making it the better choice if both methods of distribution are possible from the configuration.

DIt forms a peer association with another system.

The `ntp peer` command forms a peer association, allowing two systems to both synchronize with and provide time to each other; an `ntp server` command creates a client association, not a peer.

EIt uses the hardware clock as an authoritative time source.

Using the hardware clock as an authoritative time source is typically done when external NTP servers are unavailable and the device acts as an NTP master, which contradicts using other systems as an authoritative source.

Concept tested: NTP client and server configuration modes

Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipapp/configuration/xe-3se/iap-xe-3se-book/iap-cfg-ntp.html

Topics

#NTP configuration#NTP modes#Time synchronization

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