Go back to 9L0-415 - OS X Support Essentials 10.9

Question :-

Additional Apple devices must be authorized to use the iCloud Keychain service using a combination of the Apple ID password and another method. One method involves using an iCloud Security Code; the other method is to authorize access from another Apple device that has already been configured for the iCloud Keychain service.
What's a profile? How are profiles managed?
What's a network location? Who can access network locations?
What's required to set up the iCloud Keychain service on multiple Apple devices?
What's the best source for acquiring printer drivers for OS X?

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