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HP-UX 11i Knowledge-on-Demand
Developers’ series certificate exam

HP-UX 11i


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Please complete all questions below and click “Finish” when you’re ready to submit your completed exam. There is no time limit; however, please complete the exam once you have started.

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Question 1. Which of the following features is new for HP-UX 11i v3?

A) Dynamic vPars

B) Initial support for Integrity servers

C) Dynamic nPartitions

D) Serial attached SCSI

Question 2. Running the msv2v3check script will

A) Cold-install your system from DVD

B) Validate whether drivers installed on your system are supported by HP-UX 11i v3

C) Determine if your current version of Oracle is supported by HP-UX 11i v3

D) Validate whether your server model is supported by HP-UX 11i v3

Question 3. Which of the following is a standard patch bundle recommended for installation on HP-UX 11i v3?

A) Feature11i

B) ITRC

C) Foundation OE

D) Java Developer Kit

Question 4. Where is the primary place to go for open source tools for HP-UX ?

A) France

B) hp.com

C) The HP-UX Porting and Archive Center

D) SourceForge.com

Question 5. Which compiler is used to compile the open source tools on the HP-UX Porting and Archive Center ?

A) gcc

B) HP's compilers

C) Sun's compilers

D) top secret compilers developed in France

Question 6. How much does it cost to join DSPP, HP's developer program ?

A) $10,000 per year

B) $500 per year

C) $100 per year

D) Nothing

Question 7. Which release is UFC (Unified File Cache) available in ?

A) HP-UX 10.20

B) HP-UX 11i v2

C) HP-UX 11i v3

D) HP-UX 11i v1

Question 8. The tunable dbc_max_pct has been renamed to:

A) filecache_min

B) filecache_max

C) bufpages

D) nbuf

Question 9. What processor family is UFC available on ?

A) IPF and PA-RISC

B) IPF only

C) PA-RISC only

D) Neither

Question 10. Caliper's new features include

A) I/O profiling

B) Bucketing of data cache miss latencies

C) Cluster analysis

D) None of the above

Question 11. Caliper's call stack sampling

A) Shows where a thread is switched out due to hyper-threading

B) Records traps, faults, and interrupts

C) Helps locate where a program is waiting for system calls, locks, and I/O

D) Automatically fixes all performance problems

Question 12. Caliper's thread switch metric provides information on:

A) Thread switches per second

B) Thread switch overhead and thread switch causes

C) Distribution of stall cycles before thread switches

D) All of the above

Question 13. Which application workloads are good for NUMA ?

A) any workload

B) only Oracle workloads

C) only Oracle, Java and SAP workloads

D) Oracle, Java, SAP and Virtualization (vPars, HP VM)

Question 14. What does NUMA do ?

A) Reduces memory latencies

B) Increases CPU frequency

C) Uses Oracle RAC

D) Improves high availability

Question 15. What is NUMA ?

A) A kernel tunable

B) A memory configuration option for parmodify

C) An Oracle feature

D) All of above

Question 16. The purpose of the HP-UX Mercury library is to

A) aid porting of applications to HP-UX

B) speed up certain commonly desired functionalities

C) add specialized networking functions

D) provide Roman mythology lessons

Question 17. Mercury public functions allow:

A) access to kernel public information

B) access to the state of other threads

C) access to state information about the calling thread

D) B & C, but only if they permit it

Question 18. The hg_setcrit() function:

A) forces the kernel to block interrupts

B) requests that context switches to the calling thread be blocked

C) can only be used by privleged threads

D) B & C

Question 19. STK is used in the these stages of transition life cycle

A) Awareness & implementation

B) Planning & design

C) Design & manage

D) Planning & implementation

Question 20. What is the HP-UX 11i STK ?

A) A tool that scans documents and checks for spelling mistakes.

B) A file extension.

C) A collection of tools to scan source-level objects that indicate any transition problems.

D) A tool to detect memory leaks.

Question 21. STK can generate output reports in which format ?

A) Presentation

B) HTML

C) Text

D) Both B & C

Question 22. Which of the following does ktracer do ?

A) Show a sampling of the IPF instruction set

B) Cause a performance degradation when not tracing

C) Monitor application behavior on any Unix OS

D) Trace kernel function calls, parameters and timing

Question 23. The ElUSec column shows the elapsed time

A) in seconds since boot

B) spent in the current traced function

C) in microseconds since previous trace

D) none of the above

Question 24. The performance overhead to trace the clock_int function is:

A) Less than 0.011% of the interval

B) Between 0.11% and 1% of the interval

C) Between 1% and 3% of the interval

D) Impossible to measure

Question 25. Which GC policy is most suitable for response time sensitive applications (i.e Telecommunications)

A) Parallel Old GC policy

B) Serial GC policy

C) Parallel New GC policy

D) Concurrent Mark Sweep GC policy

Question 26. When a new generation minor GC (a scavenge) takes place, which objects get copied to the old generation

A) Objects that reached their tenuring threshold

B) All objects in the new generation

C) Large objects only

D) Objects from the survivor space

Question 27. At the end of a major GC (a Full GC), the following statement is true

A) The Eden and survivor spaces are completely empty

B) All objects, including the ones which did not reach their tenuring threshold are copied to the old generation

C) For all policies except Concurrent Mark Sweep GC, the old space is compacted

D) All of the above

Question 28. HPjmeter can analyze profiles from which data source:

A) Profile++

B) MySpace profiles

C) HP Extended Profiling (-Xeprof)

D) gprof

Question 29. HPjmeter has a built-in alert for:

A) Garbage collections

B) Memory leak locations

C) Phishing attempts

D) Virtualization

Question 30. HPjmeter can help diagnose:

A) Hardware problems

B) Inefficient users

C) Issues with garbage collection

D) Excess method parameters

Question 31. What is the recommended number of CPU cores per J2EE appserver instance, for achieving best performance throughput ?

A) 1

B) 2

C) 3

D) 32

Question 32. On HP-UX, easy dynamic CPU partition for J2EE workloads can be done by:

A) Multi-threading

B) Virtual memory

C) Processor sets

D) Network subnets

Question 33. Disk I/O performance is key to which J2EE tier the most ?

A) Client requests

B) Appserver

C) Network load balancer

D) Database

Question 34. How many mutex spinners are allowed by default?

A) 5

B) 2

C) 10

D) No limit

Question 35. What type of system calls give hints on mutex contention?

A) __ksleep()

B) __kwakeup()

C) sched_yield()

D) all of the above

Question 36. What tool gives application profiling data?

HP-UX 11i Knowledge-on-Demand Developers’ series certificate exam

HP-UX 11i

Leadership UNIX

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HP-UX 11i Knowledge-on-Demand
Developers’ series certificate exam