A network administrator is preparing a Python script to configure a Cisco IOS XE based device on the network. The administrator is worried that colleagues will make changes to the device while the script is running. Which operation of the client manager in prevent colleague making changes to the device while the script is running?

• A. m.lock (config=’running’)
• B. m.lock (target=’running’)
• C. m.freeze (target=’running’)
• D. m.freeze(config=’running’)

Explanation: The example below shows the usage of lock command:

def demo(host, user, names):
With manager. Connect(host=host, port=22, username=user) as m:
With m.locked(target='running'):
for n in names:
m.edit_config (target='running', config=template % n)

The command “m.locked (target=’running’)” causes a lock to be acquired on the running datastore.

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