Default Behavior of Archiving Configurations

A

The correct answer is D. An archive log is created to track transfer attempts, both failed and successful.

In Junos platforms, archiving configurations refers to the process of backing up the current configuration to a remote server or local device. This is an important function as it allows for quick restoration of configuration files in the event of a system failure or misconfiguration.

Here are explanations of why the other answers are incorrect:

A. A system log message is generated, confirming the transfer attempt. This answer is incorrect because while system log messages can be generated for a variety of events, including configuration changes, it is not the confirmation message for archiving configurations. The system log messages generated for archiving configurations are related to transfer attempts, and not necessarily confirmation messages.

B. The destination filename format can be altered by configuration. This answer is incorrect because while the destination filename format can be altered, it is not a default behavior of Junos platforms. The default behavior is to use the hostname and date to create the filename for the archived configuration.

C. The frequency the system archives the configuration cannot be changed. This answer is incorrect because the frequency of archiving configurations can be changed through configuration. By default, the system archives the configuration file every time a commit occurs, but this frequency can be changed through configuration.

D. An archive log is created to track transfer attempts, both failed and successful. This answer is correct because the default behavior of Junos platforms is to create an archive log to track transfer attempts for the archived configuration. This log includes both successful and failed transfer attempts, and can be useful for troubleshooting issues with archiving configurations.