2014年4月1日星期二

ARM EN0-001 examen pratique questions et réponses

Le produit de Pass4Test que vous choisissez vous met le pied sur la première marche du pic de l'Industrie IT, et vous serez plus proche de votre rêve. Les matériaux offerts par Pass4Test peut non seulement vous aider à réussir le test ARM EN0-001, mais encore vous aider à se renforcer les connaissances professionnelles. Le service de la mise à jour pendant un an est aussi gratuit pour vous.

Vous pouvez s'exercer en Internet avec le démo gratuit. Vous allez découvrir que la Q&A de Pass4Test est laquelle le plus complète. C'est ce que vous voulez.

Code d'Examen: EN0-001
Nom d'Examen: ARM (ARM Accredited engineer)
Questions et réponses: 210 Q&As

Le test ARM EN0-001 est une examination de techniques professionnelles dans l'Industrie IT. Pass4Test est un site qui peut vous aider à réussir le test ARM EN0-001 rapidement. Si vous utiliser l'outil de formation avant le test, vous apprendrez tous essences de test Certification ARM EN0-001.

Le test ARM EN0-001 est le premier pas pour promouvoir dans l'Industrie IT, mais aussi la seule rue ramenée au pic de succès. Le test ARM EN0-001 joue un rôle très important dans cette industrie. Et aussi, Pass4Test est un chaînon inevitable pour réussir le test sans aucune doute.

EN0-001 Démo gratuit à télécharger: http://www.pass4test.fr/EN0-001.html

NO.1 When setting the initial location of the stack pointer and the base address of the heap, the
ARM EABI requires that the:
A. Base address of the heap must be the same as the initial stack pointer.
B. Stack pointer must be 8-byte aligned.
C. Heap must be in external RAM.
D. Initial stack pointer must be the lowest addressable memory location.
Answer: B

ARM examen   EN0-001 examen   certification EN0-001   EN0-001 examen

NO.2 In which type of storage will the compiler preferentially place frequently accessed variables?
A. Stack
B. Heap
C. Registers
D. Hard disk
Answer: C

ARM examen   EN0-001 examen   EN0-001   EN0-001 examen

NO.3 Printf statements could be used to achieve which of the following debug tasks?
A. Observe changes to a local variable in a function
B. Capture a real-time trace of program execution
C. Debug boot code, before a call to the C main() function
D. Stop the processor at an interesting location in the code
Answer: A

certification ARM   EN0-001 examen   EN0-001   EN0-001

NO.4 When the processor is executing in Thumb state, which of the following statements is correct
about the values stored in R15?
A. Bits[31:16] are duplicated with bits[15:0]
B. The PC value is stored in bits[31:1] and bit[0] is treated as zero
C. The PC value is stored in bits[31:16] and bits[15:0] are undefined
D. The PC value is stored in bits[15:0] and bits[31:16] are undefined
Answer: B

ARM examen   EN0-001 examen   certification EN0-001   EN0-001   EN0-001 examen

NO.5 A standard performance benchmark is being run on a single core ARM v7-A processor. The
performance results reported are significantly lower than expected. Which of the following options
is a possible explanation?
A. L1 Caches and branch prediction are disabled
B. The Embedded Trace Macrocell (ETM) is disabled
C. The Memory Management Unit (MMU) is enabled
D. The Snoop Control Unit (SCU) is disabled
Answer: A

ARM examen   EN0-001   EN0-001   EN0-001

NO.6 What view in a debugger displays the order in which functions were called?
A. The Call Stack view
B. The Memory view
C. The Registers view
D. The Variables view
Answer: A

ARM   EN0-001   certification EN0-001   EN0-001

NO.7 In the Generic Interrupt Controller (GIC), when an interrupt is requested, but is not yet being
handled, it is in which of the following states?
A. Inactive
B. Active
C. Pending
D. Edge-triggered
Answer: C

ARM   EN0-001 examen   EN0-001

NO.8 In a Cortex-A9 processor, when the Memory Management Unit (MMU) is disabled, which of
the following statements is TRUE? (VA is the virtual address and PA is the physical address)
A. VA == PA; No address translations; instructions and data are not cached
B. VA! = PA; No address translations; instructions may be cached but not data
C. VA == PA; Address translations take place; data may be cached but not instructions
D. VA == PA; No address translations; instructions may be cached but not data
Answer: D

ARM   EN0-001 examen   EN0-001

NO.9 A simple system comprises of the following memory map:
Flash - 0x0 to 0x7FFF
RAM - 0x10000 to 0X17FFF
When conforming to the ABI, which of the following is a suitable initial value for the stack pointer?
A. Top address of RAM (0x18000)
B. Top address of flash (0x8000)
C. Bottom address of RAM (0x10000)
D. Bottom address of flash (0x0000)
Answer: A

ARM   EN0-001   EN0-001 examen   EN0-001   EN0-001 examen

NO.10 In an ARMv7-A processor, which control register is used to enable the Memory Management
Unit (MMU)?
A. The ACTLR
B. The SCTLR
C. The TTBCR
D. The CONTEXTIDR
Answer: B

certification ARM   EN0-001   certification EN0-001   certification EN0-001
12. A simple method of measuring the performance of an application is to record the execution
time using the clock on the wall or a wristwatch.
When is this method INAPPROPRIATE?
A. When executing the software using a simulation model
B. When the processor is a Cortex-R4
C. When instruction tracing is enabled
D. When the processor is not executing instructions from cache
Answer: A

ARM   EN0-001   EN0-001 examen

NO.11 A program running on a development board that is connected to a host using a debugger can
access a file on the host by using:
A. Memory mapping
B. Semihosting
C. Polling
D. Virtual I/O
Answer: B

ARM examen   EN0-001   EN0-001   certification EN0-001

La Q&A lancée par Pass4Test est bien poupulaire. Pass4Test peut non seulement vous permettre à appendre les connaissances professionnelles, et aussi les expériences importantes résumées par les spécialistes dans l'Industrie IT. Pass4Test est un bon fournisseur qui peut répondre une grande demande des candidats. Avec l'aide de Pass4Test, vous aurez la confiance pour réussir le test. Vous n'aurez pas aucune raison à refuser le Pass4Test.

没有评论:

发表评论