An engineer modifies the virtual port channel domain on a Cisco Nexus 9000 Series Switch using Session Manager Which two commands must the engineer use to confirm the configuration is valid and apply the configuration to the switch? (Choose two.)

When using Session Manager (also known as configuration sessions) on a Cisco Nexus 9000 Series Switch, changes are made in a separate configuration buffer. To ensure the buffered commands are syntactically and semantically correct before applying them, the verify command is used. This command checks the configuration for errors without implementing it. To apply the verified changes from the session buffer to the device's running configuration, the commit command is used. This makes the changes active on the switch.

Option A: The write memory command saves the current running configuration to the startup configuration. It does not apply changes from within a configuration session.
Option B: The save bootflash: command is not a standard command for applying or verifying a configuration session; it is used for saving files.
Option D: The checkpoint command creates a configuration snapshot for rollback purposes. It does not verify or apply the changes within an active session.

Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 10.2(x), "Managing Configuration Sessions" chapter, "Verifying a Session" section. It states, "You can verify the commands in a session before you commit them... Use the verify command."

Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 10.2(x), "Managing Configuration Sessions" chapter, "Committing a Session" section. It states, "When you commit a session, the device applies the commands in the session to the running configuration... Use the commit command."

Cisco Nexus 7000 Series NX-OS System Management Configuration Guide, "Managing Configuration Sessions" chapter. This guide also confirms the workflow: "You can verify the commands in a session before you commit them... To apply the commands in the session to the running configuration, you must commit the session." The commands verify and commit are standard across NX-OS platforms.