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WorksheetsDistributed Computing
Total questions: 10
Worksheet time: 5mins
What is the most important aspect of a distributed system?
Resource Sharing
Communication
Concurrency
Recovery from Failure
What is the primary use of distributed systems?
Communication
Sharing Resources
Networking Computers
Cloud Computing
Which search engine handles the most web searches?
Bing
Yahoo
Duck Duck Go
What challenges to MMOs present to distributed systems?
Need for security
Need for fast response times
Ability to support multiple users
Real-time propagation of events
Which architecture uses a centralised server?
Client-Server
Peer-to-Peer
Cluster
What advantage does the cluster architecture have over client-server?
It is more secure
It is more responsive
It is easily extensible
It ensures consistency
What is the main role of a firewall?
To prevent unauthorised messages entering or leaving a network.
To protect local area networks from hackers
To prevent unauthorised access to computers
To protect local area networks from viruses
What is a 'cloud'?
A set of Internet-based applications
A set of storage services
A set of computing services to support users
All of the above.
What is a server?
A powerful computer in a data centre
Any computer that accepts and responds to requests from clients
A program that provides services for clients
A program that makes requests for services
What is remote invocation?
When a client contacts a server
When a server provides a response
When the client receives the response
All of the above
