What are the characteristics of data migration?

• A. Transfer data by entire file or immediate portion required
• B. Transfer the computation rather than the data
• C. Execute an entire process or parts of it at different sites
• D. None of the mentioned

What are the characteristics of computation migration?

• A. Transfer data by entire file or immediate portion required
• B. Transfer the computation rather than the data
• C. Execute an entire process or parts of it at different sites
• D. None of the mentioned

What are the characteristics of process migration?

• A. Transfer data by entire file or immediate portion required
• B. Transfer the computation rather than the data
• C. Execute an entire process or parts of it at different sites
• D. None of the mentioned

What is a stateless file server?

• A. It keeps tracks of states of different objects
• B. It maintains internally no state information at all
• C. It maintains some information in them
• D. None of the mentioned

What are the characteristics of the stateless server?

• A. Easier to implement
• B. They are not fault-tolerant upon client or server failures
• C. They store all information file server
• D. They are redundant to keep data safe

Implementation of a stateless file server must not follow?

• A. Idempotency requirement
• B. Encryption of keys
• C. File locking mechanism
• D. Cache consistency

What are the advantages of file replication?

• A. Improves availability & performance
• B. Decreases performance
• C. They are consistent
• D. Improves speed

What are characteristic of NFS protocol?

• A. Search for file within directory
• B. Read a set of directory entries
• C. Manipulate links and directories
• D. All of the mentioned

What is the coherency of replicated data?

• A. All replicas are identical at all times
• B. Replicas are perceived as identical only at some points in time
• C. Users always read the most recent data in the replicas
• D. All of the mentioned

What are the three popular semantic modes?

• A. Unix, coherent & session semantics
• B. Unix, transaction & session semantics
• C. Coherent, transaction & session semantics
• D. Session, coherent semantics