CSSE4004 - Lecture 9

Question 1 of 8

Medal-premium 1

In the Remote access model, accesses are done on the client and returned to the server once complete

Select one of the following:

  • True
  • False

Question 2 of 8

Medal-premium 1

Which of the following is false about NFS?

Select one of the following:

  • Uses the Remote access model

  • Originally designed to be stateless, but no longer stateless for performance reasons

  • All clients must see the same name if they can see same file

  • Uses sequence numbering to achieve fault tolerance

Question 3 of 8

Medal-premium 1

Which of the following is FALSE about distributed systems on the world wide web

Select one of the following:

  • Caching may occur both by browsers and proxies

  • Contend delivery networks are a form of replication

  • DNS has a global namespace

  • SOAP is increasingly replacing HTTP

Question 4 of 8

Medal-premium 1

What coordination model would be appropriate for a message which is referentially coupled by temporally uncoupled?

Select one of the following:

  • Mailbox

  • Direct

  • Meeting oriented

  • Generative communication

Question 5 of 8

Medal-premium 1

When would Meeting oriented coordination be appropriate?

Select one of the following:

  • Referentially uncoupled, Temporally coupled

  • Referentially uncoupled, Temporally uncoupled

  • Referentially coupled, Temporally coupled

  • Referentially coupled, Temporally uncoupled

Question 6 of 8

Medal-premium 1

Which of the following is FALSE

Select one of the following:

  • Both NFS and Coda use write-back cache consistency

  • In Coda, file IDs have a global scope

  • Client process in Coda are described as thin

  • Access transparency by unix systems is a major design goal of NFS

Question 7 of 8

Medal-premium 1

Which of the following is false about Java Jini?

Select one of the following:

  • Separates communication from synchronization

  • Based on Linda

  • Implements a distribute tuple space

  • Scales efficiently, allowing coordination to be used frequently

Question 8 of 8

Medal-premium 1

Which of the following is false about Coda?

Select one of the following:

  • Shared name space maintained across all clients

  • Locally cached files allow operation across failure

  • Supports disconnected operation, on reconnection resolves conflicts

  • Limited to about 100 workstations due to non-locking design

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CSSE4004 - Lecture 9

tb22
Quiz by , created over 1 year ago

CSSE4004 - Lecture 9

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tb22
Created by tb22 over 1 year ago
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