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Q9. Which statement is correct about multi-threaded TIBCO Rendezvous message consumers? 

A. Multi-threaded consumers require one event queue per thread. 

B. Multi-threaded message consumers are not possible with distributed queues. 

C. Multi-threaded message consumers are not possible with certified messaging. 

D. Multi-threaded consumers can be built by instantiating multiple dispatcher objects. 

Answer: D 


Q10. On a central server, 100+ TIBCO Rendezvous based applications will be hosted, each of which will open ten transports against the same Rendezvous daemon (RVD). From the Rendezvous daemon's standpoint, which operating system settings must be checked? 

A. number of threads per user, as the RVD needs one thread per connected client (i.e. 100+ threads will be running inside the RVD) 

B. number of threads per user, as the RVD needs one thread per transport (i.e. 10x100=1000+ 

threads will be running inside the RVD) 

C. number of file-descriptors per operating system process as the RVD needs one file-descriptor per connected client (i.e. 100+ file descriptors will be used by the RVD) 

D. number of file-descriptors per operating system process, as the RVD needs one file-descriptor per connected transport (i.e. 10x100=1000+ file descriptors will be used by the RVD) 

Answer: D 


Q11. A Rendezvous daemon (RDV) log contains the error: "accept() failed: too many open files. Please check per-process and system-wide limits on the number of open files" Which two statements pertain to the error? (Choose two.) 

A. Each connection uses a file descriptor. 

B. Rendezvous daemon received too many large files. 

C. Rendezvous transport has opened too many files to send from the host system. 

D. The operating system limits the maximum number of file descriptors per process and/or system wide. 

Answer: A,D 


Q12.  (Choose two.) 

A. Scheduler has set a task backlog limit. 

B. Scheduler has not set a task backlog limit. 

C. Scheduler is accepting new tasks, but discarding old ones on a FIFO basis. 

D. The Scheduler backlog limit has been reached and new tasks are being discarded. 

Answer: A,D 


Q13. Which two statements are correct about fault-tolerant groups? (Choose two.) 

A. Members of a fault-tolerant group are ranked by means of the specified member weight. 

B. Fault-tolerant groups implement a K of N active strategy (K member of a group is active while N-K members are passive). 

C. Members of a fault-tolerant group are ranked by means of the specified member weight, which must be a unique value within the fault-tolerant group. 

D. Members of a fault-tolerant group are ranked by means of the specified member weight. Members with equal weight are ranked by the time they joined the fault-tolerant group. 

Answer: A 


Q14. service. Which three statements are correct about RVCACHE fault tolerance? (Choose three.) 

A. Only one process actively sends the current values to new listeners. 

B. The Rendezvous program queries an RVCACHE by means of its IP address. 

C. It is essential that all processes use identical parameters, except the store file. 

D. It is essential that all processes use identical parameters, including the store file. 

E. Cooperating processes listen for the same set of subjects, and store their current values. 

F. Fault-tolerant processes will actively send the current values to new listeners to share the load. 

Answer: A,C,E 


Q15. A. The distributed queue members do not elect the scheduler; you need to explicitly start the 

scheduler module. 

B. The distributed queue does not have a scheduler and the work is split based on the module of the certified messaging sequence number. 

C. The distributed queue members elect the scheduler based on current work load (i.e. the member with the least work is elected as scheduler). 

D. The distributed queue members elect the scheduler based on the scheduler weight (i.e. the member with the highest rank is elected to become scheduler). 

E. The distributed queue members process the same message (i.e. a distributed queue is used when a message must processed by all receiving applications). 

Answer: B 


Q16. What is a documented best practice for accessing Rendezvous messages faster? 

A. For sub-messages with many fields, use field identifiers. 

B. You should always use message field identifiers instead of message field names. 

C. You should always use message field names instead of message field identifiers. 

D. There are no tuning options, as message field access requires both the field name and the field identifier. 

Answer: C