I appreciate that you have discussed the primary importance of creating a recovery hard drive, which is to store the bootable operating system files of a computer. In my definition, I would say that a recovery hard drive stores a copy of the operating system of a specific computer on an external source such as a USB or a DVD as a way of preparation in the event that the system acts up (Mayers and Mike 34). Creating a recovery hard drive comes in handy when a computer crashes since it acts as a source from which the computer can be booted. It is therefore wise on your part to compare a recovery hard drive to a mode of revival of a computer from a ‘coma’. I also think that explaining the procedure of creating a recovery hard drive is very useful in this case.
Response to Scott Dunn,
I think that the whole idea of Hyper-V is very interesting because it allows the user to run multiple operating systems that act as virtual machines on Windows. It is also interesting that Hyper-V provides hardware virtualization whereby each virtual machine (other operating system) runs on virtual hardware. In my opinion, the concept of running multiple operating systems in one computer provides a range of possibilities because it can be used to test out the efficiency of many operating systems without having to uninstall the main operating system. I think that the concept can be applied to reduce the cost of operations because by purchasing a few powerful servers, one can virtualize most of the infrastructure. This way, the overall cost of hardware and maintenance is reduced (Velte and Toby n.p). Therefore, the Hyper-V can be effective if an individual is considering ways in which they can simplify the administration of IT operations while improving reliability.
Essay on Kerberos Authentication
Kerberos authentication is the authentication system used in Windows. Kerberos is a network authentication protocol which works through the use of secret key cryptography (Gianni n.p). On top of the symmetric encryption, Kerberos uses a trusted third party which is the Key Distribution Center (KDC). When authenticating, Kerberos stores a specific ticket for the given session on the user’s device, and services that are Kerberos-aware will look for the unique ticket instead of requiring the user to provide a password (Gianni n.p). The first step in Kerberos authentication is logging into the domain whereby a Ticket-Granting Ticket (TGT) request is sent to a KDC. The KDC returns a TGT and a session key to the user. A ticket request is sent to the application server and KDC returns a ticket. When the server receives a ticket and the authenticator, the user can be authenticated. The server replies to the user with another authenticator and on the receiving end, the user can authenticate the server.
Gianni, Stella. “What is Kerberos?” (2020). https://www.bmc.com/blogs/kerberos-authentication-what-is-it-how-it-works/
Mayers, Scott, and Mike Lee. “Time Machine Backup and Recovery.” Learn OS X Lion. Apress, Berkeley, CA, 2011. 379-388.
Velte, Anthony, and Toby Velte. Microsoft virtualization with Hyper-V. McGraw-Hill, Inc., 2009.