JN0-102 · Question #114
Which two firewall filter actions will terminate the processing and evaluation of a packet? (Choose two.)
The correct answer is B. accept D. discard. The accept and discard actions in Junos firewall filters are terminating actions that dictate the fate of a packet and stop further evaluation by that filter.
Question
Which two firewall filter actions will terminate the processing and evaluation of a packet? (Choose two.)
Options
- Apermit
- Baccept
- Cdeny
- Ddiscard
How the community answered
(30 responses)- A3% (1)
- B87% (26)
- C10% (3)
Why each option
The `accept` and `discard` actions in Junos firewall filters are terminating actions that dictate the fate of a packet and stop further evaluation by that filter.
`permit` is not a standard terminating action in Junos OS firewall filters; `accept` is the correct action to allow traffic.
The `accept` action explicitly allows the packet to pass through the filter and continue processing by the system, effectively terminating the filter's evaluation for that packet.
`deny` is not a standard terminating action in Junos OS firewall filters; `discard` or `reject` are used to deny traffic.
The `discard` action silently drops the packet, preventing it from passing further, and thus terminates its processing by the firewall filter without sending any notification.
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
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