In the DNS hierarchy, where is information about how to find the top-level domain servers held?
a. In the hosts file on the local machine.
b. On the DNS root servers.
c. On DNS caching-only servers.
d. In the organization's forward lookup zone.
ANSWER: b
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Jim has been asked to individually identify devices that users are bringing to work as part of a new BYOD policy. The devices will not be joined to a central management system like Active Directory, but he still needs to uniquely identify the systems. Which of the following options will provide Jim with the best means of reliably identifying each unique device?
A. Record the MAC address of each system. B. Require users to fill out a form to register each system. C. Scan each system using a port scanner. D. Use device fingerprinting via a web-based registration system.
What types of problems does data redundancy cause?
What will be an ideal response?