Agreement Protocol In Distributed System Mcq

2. What are the properties of a closely related system? (i) Different clock (ii) Use communications (iii) Same clock (iv) Distributed systems (a) (i) (b) (i) (iv) (i), (ii) and (iii) (d) (ii), (iii and iv) Reply 4. What are the characteristics of the fully distributed approach? i) If responses are received by all processes, the process can enter its critical section ii) When the process leaves its critical section, the process sends response messages to all its delayed requirements. iii) It requires a request, response and sharing by critical section entry iv) A processor as coordinator who handles all requests a) i b) i) i) ii and ii c) ii and iii d) iii and iv View response 1. What are the characteristics of a closely related system? i) The same measure, usually shared memory ii) Communication is done through this shared memory iii) Multiprocessors iv) Different measurement a) i b) i), ii) and ii c) ii and iii d) i, iii and iv Reply 3. What are the characteristics of mutual exclusion through a centralized approach? a) A processor as a coordinator that processes all requests b) It requires request request, response and sharing by critical section entry c) The method is free of hunger d) All view Answer 9 mentioned. Which of the following disadvantages follows the single coordinating approach? a) Bottlenecks b) Slow response c) Deadlock d) One request per second View Answer 12. What are the two complementary prevention schemes of Deadlock with timestamps? a) The Wait-Die – Wound-Wait-Schema b) The Wait-n-Watch schema c) The Wund-Wait schema d) Display the Wait Wound & Wound-Wait-Schema Answer 1 is incorrect. It is not cancelled. The correct answer is to run the Redo operation Thank you for reporting the error. You are right. I have corrected the answer. 6.

What are the properties of atomicity? a) All associated operations are executed to the end or none are executed b) A processor as coordinator who processes all requests c) If the responses are received by all processes, the process can enter its critical section d) use response communication links 5. What are the advantages of the token approach (with Rings) passing? i) A processor as coordinator who processes all requests ii) No hunger if the ring is unidirectional iii) There are many messages that are transmitted per section entered, so few users in section iv) A processor as coordinator who processes all requests v) A single message/entry if each in a) i b) ii and iii c) i, ii and iii d) i, ii and iv View Answer.