Question 181 :
SRM protocol stands for
- Scalable Reliable Multispreading
- Scalable Recovery Multicasting
- Scalable Reliable Multicasting
- Scalable Recovery Multispreading
Question 182 :
In all reliable multicast group communication ______
- n' response expected from the receiver
- response from any of the receiver required
- response from 'm'(1
- response needed from all the receivers
Question 183 :
Middleware systems follow
- middleware solution
- specific model
- specific architecture style
- specific protocol
Question 184 :
To enforce ………………….. two functions are provided enter-critical and exit-critical, where each function takes as an argument the name of the resource that is the subject of competition.
- Deadlock
- Starvation
- Mutual exclusion
- Synchronization
Question 185 :
In distributed systems, what will the transaction coordinator do?
- starts the execution of transaction
- breaks the transaction into number of sub transactions
- coordinates the termination of the transaction
- all of the mentioned
Question 186 :
All the resources are shared and integrated within one OS, in the computing paradigm named _________
- Distributed computing
- Centralized computing
- Cloud computing
- Parallel computing
Question 187 :
In the client - server system having memory with disk , the file can be stored in _____________location .
- On any machine in network
- Sever's main memory
- On cloud
- On Storage area network
Question 188 :
Cristian’s Algorithm is ______________
- Passive Time Server Algorithm
- Active Time Server Algorithm
- Distributed mutual exclusion
- Logical algorithm
Question 189 :
A paradigm of multiple autonomous computers, having a private memory, communicating through a computer network, is known as
- Distributed computing
- Cloud computing
- Centralized computing
- Parallel computing
Question 190 :
The distributed global directory works through a __________________ and one or more central places that manage many directories.
- registration process
- saccession process
- application process
- distribution process
Question 191 :
The Resource Reservation Protocol is __________________ layer protocol designed to reserver resources in Distributed Computing.
- Transport Layer
- Network Layer
- Interface Layer
- Internet Layer
Question 192 :
Frames are used for communication in which layer of the TCP/IP protocol suite
- Physical Layer
- Data Link Layer
- Network layer
- Transport Layer
Question 193 :
At any point of time number of coordinator in distributed system is______.
- At least one
- One and only one
- At most one
- More than one
Question 194 :
The section of a program that need exclusive access to shared resources is referred to as
- Cordinator
- Critical Section
- Time Server
- Mutual Area
Question 195 :
If timestamps of two events are same, then the events are ____
- concurrent
- non-concurrent
- monotonic
- non-monotonic
Question 196 :
NOS supports ________ OS in all nodes.
- Same
- Different
- Linux based
- Windows Based
Question 197 :
Which of the following is not Message Ordering Multicast
- Unordered multicasts
- FIFO-ordered multicasts
- Causally-ordered multicasts
- LIFO-ordered multicasts
Question 198 :
Which file system implements the most stringent semantics of file sharing
- Unix Semantics
- Session Semantics
- Transaction Semantics
- Network Semantics
Question 199 :
Which of the following for Mutual exclusion can be provided by the
- mutex locks
- binary semaphores
- both mutex locks and binary semaphores
- none of the mentioned
Question 200 :
________represents solution to the static scheduling problem that requires a reasonable amount of time and other resources to perform its function.
- Approximate solution
- Heuristics solution
- Optimal solution
- Suboptimal solution
Question 201 :
Which is not a characteristic in Distributed Operating System
- Enabling Interprocess communication
- Uniform process management
- Local control management
- Different kernel implementation
Question 202 :
In NFS,all client-server communication is done through _____________
- RPC
- RMI
- LPC
- MPI
Question 203 :
A multiprocessor operating system must take care of
- authorized data access and data protection
- unauthorized data access and data protection
- authorized data access
- data protection
Question 204 :
RPC is a _________.
- synchronous operation
- asynchronous operation
- time independent operation
- channel specific operation
Question 205 :
___________ acts between name servers and their clients.
- Name machine
- Context node
- Naming agents
- Main servers
Question 206 :
In X.500, hierarchical organization of entries which are distributed across one or more servers is
- Directory System Agents (DSA)
- Relative Distinguished Name (RDN)
- HTTPS
- HTTP
Question 207 :
A system is fault tolerant if it can continue to operate in the __________________
- presence of failures
- absence of failures
- presence of replication
- absence of replication
Question 208 :
Transparency that allows movement of resources and clients within a system is called ______.
- Concurrency
- Performance
- Replication
- Mobility
Question 209 :
File Replication is done to _____
- increase complexity
- increase cost
- increase reliability
- increase data
Question 210 :
In wound-wait If a young process wants a resource held by an old process, the young process will _____
- Killed
- Wait
- Preempt
- Restarts and wait