# Recent questions and answers in Distributed Computing

1
In a real time system, the time is more important than the quality of Structure of the system Function of the system Cardinality of the file Functional dependencies of the record
2
Which of the following statements is not correct with respect to the distributed systems? Distributed system represents a global view of the network and considers it as a virtual uniprocessor system by controlling and managing resources across the network on all the sites. ... nodes or share the resources on remote sites due to their beneficial aspects, user has to log on to that site.
3
Which of the following statements is incorrect for Parallel Virtual Machine (PVM)? The PVM communication model provides asynchronous blocking send, asynchronous blocking receive, amd non-blocking receive function Message buffers are allocated dynamically The PVM communication model assumes that ... is no limit to the size or number of such messages In PVM model, the message order is not preserved
4
In Distributed system, the capacity of a system to adapt the increased service load is called _________. A. Tolerance B. Scalability C. Capability D. Loading
5
Consider the following statements : I. Re-construction operation used in mixed fragmentation satisfies commutative rule. II. Re-construction operation used in vertical fragmentation satisfies commutative rule Which of the following is correct ? $I$ $II$ Both are correct None of the statements are correct.
6
A computing architecture, which allows the user to use computers from multiple administrative domains to reach a common goal is called as Grid Computing Neutral Networks Parallel Processing Cluster Computing
7
Which of the following computing models is not an example of distributed computing environment ? Cloud computing Parallel computing Cluster computing Peer-to-peer computing
8
Semi-join strategies are techniques for query processing in distributed database system. Which of the following is semi-joined technique? Only the joining attributes are sent from one site to another and then all of the rows are returned All of the attributes are sent ... required rows are returned All of the attributes are sent from one site to another and then only the required rows are returned
9
Suppose that the time to do a null remote procedure call (RPC) (i.e., 0 data bytes) is 1.0 msec with an additional 1.5 msec for every 1K of data. How long does it take to read 32 K from the file server as 32 1K RPCs? 49 msec 80 msec 48 msec 100 msec
1 vote
10
The distributed system is a collection of _____(P)_____ and communication is achieved in disributed system by ____(Q)____, where (P) and (Q) are: Loosely coupled hardware on tightly coupled software and disk sharing, repspectively Tightly ... software on loosely coupled hardware and message passing, repspectively Loosely coupled software on tightly coupled hardware and file sharing, repspectively
1 vote
11
Which of the following is not valid with reference to Message Passing Interface(MPI)? MPI can run on any hardware platform The programming model is a distributed memory model All parallelism is implicit MPI- Comm - Size returns the total number of MPI processes in specified communication
12
In a distributed computing environment, distributed shared memory is used which is Logical combination of virtual memories on the nodes. Logical combination of physical memories on the nodes.​ Logical combination of the secondary memories on all the nodes. All of the above
Location transparency allows: I. Users to treat the data as if it is done at one location. II. Programmers to treat the data as if it is at one location. III. Managers to treat the data as if it is at one location. Which one of the following is correct ? $I, II$ and $III$ $I$ and $II$ only $II$ and $III$ only $II$ only
Object Request Broker (ORB) is I. A software program that runs on the client as well as on the application server. II. A software program that runs on the client side only. III. A software program that runs on the application server, where most of the components reside. $I$, $II$ & $III$ $I$ & $II$ $II$ & $III$ $I$ only