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JN0-102 · Question #116

What are three firewall filter terminating actions? (Choose three.)

The correct answer is A. accept C. reject D. discard. Firewall filter terminating actions in Junos OS define the final disposition of a packet, with accept, reject, and discard being key examples that stop further filter processing.

Routing Policy and Firewall Filters

Question

What are three firewall filter terminating actions? (Choose three.)

Options

  • Aaccept
  • Blog
  • Creject
  • Ddiscard
  • Edrop

How the community answered

(33 responses)
  • A
    91% (30)
  • B
    6% (2)
  • E
    3% (1)

Why each option

Firewall filter terminating actions in Junos OS define the final disposition of a packet, with `accept`, `reject`, and `discard` being key examples that stop further filter processing.

AacceptCorrect

The `accept` action allows a packet to pass through the filter, stopping further evaluation by that filter and allowing the packet to continue its intended path.

Blog

`log` is a non-terminating action that records information about the packet; it does not stop the filter from processing the packet further unless combined with a terminating action.

CrejectCorrect

The `reject` action drops the packet and sends an ICMP destination unreachable message back to the source, terminating further filter processing for the packet.

DdiscardCorrect

The `discard` action silently drops the packet without sending any notification to the source, effectively terminating its processing by the firewall filter.

Edrop

`drop` is not a standard terminating action keyword in Junos OS firewall filters; `discard` is the correct equivalent action.

Concept tested: Junos firewall filter terminating actions

Source: https://www.juniper.net/documentation/us/en/software/junos/routing-policy/topics/ref/statement/firewall-filter-action-match.html

Topics

#firewall filters#terminating actions#accept#reject#discard

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