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Free UM0-411 Exam Questions - OMG UM0-411 Exam

OMG UM0-411 Exam

OMG OCRES - Advanced

Total Questions: 127

Last Updated : 22-04-2024

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OMG UM0-411 Questions

Q1.

Which statement is true about event communication in CORBA/e?

ACommunication between suppliers and consumers via an event channel is asynchronous.

BCommunication between multiple suppliers and consumers via an event channel is synchronous.

CTyped communication is a via a push or pull operation where the event data is defined by a single parameter.

DGeneric communication is via operations defined by OMG IDL where event data is defined by one or more parameters.

Q2.

Which statement is true about the RTCORBA::RTORB Interface?

AThe RTCORBA::RTORB Interface is derived from CORBA::ORB.

BThere can be multiple instances of RTCORBA::RTORB per instance of CORBA::ORB.

CThe object reference for the RTORB is obtained by calling ORB::resolve_initial_references with the ObjectId RTORB.

DThe RTCORBA::RTORB Interface is expressed in pseudo IDL, for which inheritance is defined.

Q3.

Which statement is true about the LogLevel field?

ALogLevel values of 15 to 31 are reserved for debugging support.

BType LogLevel is an integer type that is utilized to sort logging records.

CThe value provided in LogLevel is recorded in the logging record and provided to the consumer at retrieval.

DA LogLevel value of SECURITY_ALARM or FAILURE_ALARM results in an immediate exception event when the logging record is stored.

Q4.

Which statement correctly describes the Lightweight Logging Service types and data structures?

AThe AdministrativeState can be set to locked or unlocked.

BLogTime has two fields of type long for microseconds and nanoseconds.

CThe InvalidParam exception indicates that all provided parameters were invalid.

DWhen the OperationalState is DISABLED, the log is still available for use by log producers.

Q5.

Which statement is true about the Real Time CORBA Mutex Interface?

AThe create_mutex operation creates the object in the locked state.

BIf the mutex is locked, subsequent lock() calls will return with no action.

CThe mutex returned by create_mutex must have the same priority inheritance properties as those used by the ORB to protect resources.

DIf the try_lock() operation does get the lock within the max_wait time period, it returns TRUE at which time the user must call the lock() operation.

Solutions:

Question: 1 Answer: A

Question: 2 Answer: C

Question: 3 Answer: C

Question: 4 Answer: A

Question: 5 Answer: C

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