This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Distributed Synchronization”. 1. In distributed systems, a logical clock is associated with ______________ a) each instruction b) each process c) each register d) none of the mentioned 2. If timestamps of two events are same, then the events are ____________ a) concurrent … Read more
This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Distributed Coordination”. 1. What are the characteristics of tightly coupled system? i) Same clock, usually shared memory ii) Communication is via this shared memory iii) Multiprocessors iv) Different clock a) i b) i, ii and ii c) ii and iii d) i, … Read more
This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Distributed File System – 3”. 1. The file once created can not be changed is called ___________ a) immutable file b) mutex file c) mutable file d) none of the mentioned 2. ______ of the distributed file system are dispersed among various … Read more
This set of JUnit Questions and Answers for Aptitude test focuses on “Distributed File System – 2”. 1. 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 2. … Read more
This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Distributed File System”. 1. What are the different ways in which clients and servers are dispersed across machines? a) Servers may not run on dedicated machines b) Servers and clients can be on same machines c) Distribution cannot be interposed between a … Read more
This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Robustness of Distributed Systems”. 1. How many layers does the Internet model ISO consist of? a) Three b) Five c) Seven d) Eight 2. Which layer is responsible for The process-to-process delivery? a) Network b) Transport c) Application d) Physical 3. Which … Read more
This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Distributed Operating System – Network Structure & Topology”. 1. What are the parts of network structure? a) Workstation b) Gateway c) Laptop d) All of the mentioned 2. What is a valid network topology? a) Multiaccess bus b) Ring c) Star d) … Read more
This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Distributed Operating System – Types & Resource Sharing”. 1. What is not true about a distributed system? a) It is a collection of processor b) All processors are synchronized c) They do not share memory d) None of the mentioned 2. What … Read more
This set of Operating System Multiple Choice Questions & Answers (MCQs) focuses on “Distributed Operating System”. 1. In distributed system, each processor has its own ___________ a) local memory b) clock c) both local memory and clock d) none of the mentioned 2. If one site fails in distributed system then ___________ a) the remaining … Read more
This set of Tough Operating System Questions and Answers focuses on “Protection – Revocation of Access Rights”. 1. What are the incorrect methods of revocation of access rights? a) Immediate/Delayed b) Selective/General c) Partial/total d) Crucial 2. Why is it difficult to revoke capabilities? a) They are too many b) They are not defined precicely … Read more
