If one site fails in distributed system then ___________

• A. The remaining sites can continue operating
• B. All the sites will stop working
• C. Directly connected sites will stop working
• D. None of the mentioned

Logical extension of computation migration is ___________

• A. Process migration
• B. System migration
• C. Thread migration
• D. Data migration

Processes on the remote systems are identified by ___________

• A. Host id
• B. Host name and identifier
• C. Identifier
• D. Process id

In distributed systems, link and site failure is detected by ___________

• A. Polling
• B. Handshaking
• C. Token passing
• D. None of the mentioned

The capability of a system to adapt the increased service load is called ___________

• A. Scalability
• B. Tolerance
• C. Capacity
• D. None of the mentioned

Internet provides _______ for remote login.

• A. Telnet
• B. HTTP
• C. FTP
• D. Rpc

What is true regarding ‘Fence’?

• A. Its a method to confine users to one side of a boundary
• B. It can protect operating system from one user
• C. It cannot protect users from each other
• D. All of the mentioned

What is not true regarding ‘Fence’?

• A. It is implemented via hardware register
• B. It doesn’t protect users from each other
• C. It good to protect os from abusive users
• D. Its implementation is unrestricted and can take any amount of space in operating system.

What is correct regarding ‘relocation’ w.r.t protecting memory?

• A. It is a process of taking a program as if it began at address 0
• B. It is a process of taking a program as if it began at address 0a
• C. Fence cannot be used within relocation process
• D. All of the mentioned

How can fence and relocation be used together?

• A. To each program address, the contents of fence register are added
• B. To contents of fence register is subtracted from actual address of program
• C. To each program address, the contents of fence register are not added
• D. None of the mentioned