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Question 1

An example of a module exhibiting temporal cohesion is a combination of-------

Athe control and management of two onboard hardware clocks

Ba 40 millisecond periodic navigation function and a 40 millisecond periodic display update function

Cseveral mathematical functions such as the sine, cosine, and arctangent functions

Dthe vehicle speed and acceleration management functions

Answer : B

Question 2

What two phrases are true about the Real-time CORBA specification scope? (Choose two.)

Aincludes static scheduling only

Bincludes both static and dynamic scheduling

Cincludes thread pool management for server side only

Dincludes thread pool management for both client and server side

Answer : B, D

Question 3

Which two are POSIX real-time extensions? (Choose two.)

Asuspend / resume API's

Bdirect cyclic executive support

Ctask synchronization

Dpriority-based preemptive task scheduling

Answer : C, D

Question 4

Which two of these techniques would successfully avoid mutual exclusion deadlocks? (Choose two.)

ASet up a circular dependency of tasks and resources

BAllow a task's use of a resource to be pre-empted

CRequire tasks to acquire and use only one resource at a time

DRequire tasks to acquire resources in order of the tasks' priorities

Answer : B, C

Question 5

Which two statements are true of a monitor for synchronization? (Choose two.)

ANo concurrent access by tasks is allowed to any resource(s) within a monitor.

BOne monitor may encapsulate any number of resources and their synchronization functions.

CIf a requesting task enters a monitor but finds the resource isn'tavailable, the task exits the monitor and is placed at the end of the monitor's external queue.

DIf two tasks are waiting in a monitor's queues for separate resources, when the task that has been accessing a resource finishes doing so, all the queues with waiting tasks are served round-robin.

Answer : A, B

Question 6

Dynamic scheduling includes utility based or-------------- scheduling.

Avalue based

Bvariable based

Ceconomic based

Dcontinuous based

Answer : A

Question 7

RTOS benchmarking is used to--------------

Ameasure the RTOS overall API overhead

Bdefine the RTOS worst case response time for each interface

Cdetermine the optimal scheduling for an application running on a particular RTOS

Dmeasure the RTOS features most suitable for an application that must meet real-time requirements

Answer : D

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