JN0-102 · Question #158
Which two commands will successfully create ping traffic? (Choose two.)
The correct answer is B. user@router# run ping 10.10.10.1 C. user@router> ping 10.10.10.1. To create ping traffic in Junos OS, one can directly use the ping command from operational mode or prefix it with run when in configuration mode. Both methods successfully initiate ICMP echo requests.
Question
Which two commands will successfully create ping traffic? (Choose two.)
Options
- Auser@router# ping 10.10.10.1
- Buser@router# run ping 10.10.10.1
- Cuser@router> ping 10.10.10.1
- Duser@router> request ping 10.10.10.1
How the community answered
(40 responses)- A10% (4)
- B88% (35)
- D3% (1)
Why each option
To create ping traffic in Junos OS, one can directly use the `ping` command from operational mode or prefix it with `run` when in configuration mode. Both methods successfully initiate ICMP echo requests.
The `ping` command cannot be executed directly from configuration mode (indicated by '#'); it must be prefixed with `run` to be executed as an operational command.
In Junos OS, when in configuration mode (indicated by '#'), the `run` keyword allows the execution of an operational mode command, such as `ping 10.10.10.1`, without exiting configuration mode. This command successfully generates ping traffic to the specified destination.
In Junos OS, when in operational mode (indicated by '>'), the `ping` command can be directly executed, such as `ping 10.10.10.1`, to generate ICMP echo requests and test network reachability. This command successfully creates ping traffic.
While `request` is a valid keyword for some operational commands, the standard and most direct command to initiate ping from operational mode (indicated by '>') is simply `ping`; `request ping` is not a valid or common command for this purpose.
Concept tested: Junos CLI ping commands
Source: https://www.juniper.net/documentation/us/en/software/junos/command-reference/topic-map/cli-commands-ping.html
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