The document is a class test for a course on distributed operating systems, consisting of multiple-choice questions and descriptive questions. Students must answer all questions, with the MCQs totaling 5 marks and descriptive questions totaling 10 marks. Topics covered include characteristics, challenges, and examples of distributed systems, as well as inter-process communication and clock synchronization.

1. DISTRIBUTED OPERATING SYSTEMS CS704A CLASS TEST
FULL MARKS=15 TIME=30 MINS
MCQ questions(Answer All, Each Qns carries 1 Marks, Total: 5 marks):-
1) In distributed system each processor has its own
a) local memory b) clock c) both local memory and clock d) none of these
2) If one site fails in distributed system
a) the remaining sites can continue operating b) all the sites will stop
working c) directly connected sites will stop working d) none of these
3) Logical extension of computation migration is
a) process migration b) system migration c) thread migration d) data
migration
4) Processes on the remote systems are identified by
a) host ID b) host name and identifier c) identifier d) process ID
5) In distributed systems, link and site failure is detected by
a) polling b) handshaking c) token passing d) none of the mentioned
Answer any 5 Qns, each Qns carry 2 marks, Total: 10 Marks
1. Define distributed systems?
2. Give examples of distributed systems.
3. Write two challenges of distributed systems
4. Write two characteristics of inter process communication
5. What is the difference between RMI and RPC? (write 2 difference
only)
6. What is the need of Clock Synchronization in Distributed Systems?
7. Write two characteristics of Distributed File Systems