Discuss the notion of transparency in distributed file systems of heterogeneous computers. How does a distributed file system resolve differences between various computer architectures and operating systems to enable all systems on a network to perform remote file accesses regardless of system differences?
What will be an ideal response?
This is approached in a number of ways. The move toward worldwide computer networking
standards (discussed in Chapter 16, Introduction to Networking) for heterogeneous
computing environments is addressing this issue with the notion of a virtual file store. File
operations are mapped to an intermediate form used by all systems and then converted back
at the destination system.A logical view of data is agreed to for transmission purposes and
for remote operations. The conversions required do take time, but the trade-off is easy intercommunication
across heterogeneous environments.
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A Chief Information Officer (CIO) wants to move some IT services to a cloud service offering. However, the network administrator still wants to be able to control some parts of the cloud service's networking components. Which of the following should be leveraged to complete this task?
A. IaaS B. PaaS C. SaaS D. DaaS
For general-purpose stream-oriented transmission you would typically use _______ mode.
A. CTR B. CFB C. ECB D. CBC