HP Certified Professional Program

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1 HP Certified Prfessinal Prgram Exam HP0-764 Exam Preparatin Guide Purpse f the Exam Preparatin Guide Audience The intent f this guide is t set expectatins abut the cntent and the cntext f the exam and t help candidates prepare fr the exam. In this guide, yu will find recmmended HP training curses, reference and study material t help yu achieve a successful passing scre. Studies cnducted by HP and Prmetric shw that a cmbinatin f curse attendance and self-study maximizes the likelihd f passing the exam n the first attempt. This exam is targeted fr the fllwing audience, with a minimum f three t five years experience n the NnStp S-Series platfrms running the G-Series NnStp Kernel Operating System. Examples f jb rles: Prfessinal Services persnnel wh assist NnStp custmers. Glbal Custmer Supprt Center (GCSC) persnnel, wh may have specialized technical expertise in the perating system and NnStp applicatins and serve as supprt fr bth field supprt technicians and custmers. Analyst SEs r Pre-SalesTechnical Supprt (PSTS) persnnel, wh perfrm pre-sales cnsulting and technical accunt supprt. NnStp Technical Cnsultants (bth internal and external), System Integratrs and Cnsultant Partners, Authrized Service Channel Partners and Distributrs, Custmers authrized t service their wn equipment. General areas f cntent include: Prcess Life Cycle, Memry Management, Interrupts, and Data Structures, Message Systems, Guardian File System, I/O Subsystem, System Level and Hardware Cnsideratins. Certificatin Requirements The Exam HP0-764 is an elective fr certificatin as an Accredited System Engineer (ASE) in the HP NnStp S-series Systems track. It is als an elective fr the HP NnStp Kernel Certified Systems Engineer (CSE) in the HP Operating System certificatin. 1

2 Prerequisites Exam Details Fr further infrmatin n HP NnStp Systems track requirements, visit the website at Nne, but it is highly recmmended that yu have three t five years experience wrking in an HP NnStp Guardian envirnment. The is a live exam. Yu will receive a scre reprt with yur results after testing is cmplete. Yu can use the reprt t identify areas f strength and learn abut areas t imprve, if necessary. If yu d nt pass this exam, refer t yur percentages fr each cre cmpetency shwn n yur scre sheet. Use these results t guide yu in areas where yu need t study r review mre than ther cmpetencies. Test Infrmatin Number f test items: 66 Item type: multiple chice Time cmmitment: 90 minutes Passing Scre: 34 Percent Crrect: 51% Reference material: N nline r hard cpy reference material will be allwed at the testing site. 2

3 Exam Cntent The fllwing utline represents the specific areas f cntent cvered in the exam. Use this utline t guide yur study and t check yur readiness fr the exam. The exam measures yur understanding f these areas. The apprximate percentage f exam questins dedicated t each majr cntent area is included in parenthesis. Typically, the higher the percentage, the mre questins will be n the exam. 1) Prcess Life Cycle (21%) 1.1 Describe what happens when prcesses are created Identify the system prcesses respnsible fr creating new prcesses Describe the rle f these system prcesses Describe what the Phenix prcess is Demnstrate knwledge f a prcess cntrl blck (PCB) structure 1.2 Describe prcess terminatin Identify causes f prcess terminatin Describe hw t btain a SAVEABEND file Describe fr what a SAVEABEND file is used List reasns fr a prcess state t be "unstppable" 1.3 Demnstrate knwledge f the ready list mechanism Describe hw a prcess is made active in a prcessr Describe hw prcesses are nrmally merged t the ready list Describe hw DP2 prcesses are merged t the ready list Describe hw a prcess is prevented frm mnplizing a prcessr 1.4 Describe hw t btain infrmatin n running prcesses Demnstrate knwledge abut the infrmatin Peek displays n prcesses Demnstrate knwledge abut the infrmatin Measure displays n prcesses Demnstrate knwledge abut infrmatin TACL displays n prcesses Demnstrate knwledge f prcedural interfaces t btain infrmatin n running 1.5 Demnstrate knwledge f prcess states List the prcess states Describe prcess state transitins Demnstrate the rle f a PCB in cnjunctin with semaphre mechanisms 3

4 1.6 Demnstrate knwledge f prcess security Describe the difference between PAID and CAID Describe the impact f licensing a prgram 1.7 Demnstrate knwledge f phandles and naming mechanisms Describe fr what a prcess handle is used Describe different ways a prcess is named Describe the usage f prcess grups 1.8 Describe hw wait/awake mechanisms are used Describe use f file_cmplete_ /awaitix Identify the clients f the wait/awake mechanisms 1.9 Describe varius lgical segments f an executing prcess List lgical segments created at prcess creatin time Identify lgical segments created dynamically Describe the use f the lgical segments 1.10 Describe the envirnments in which prcesses execute Describe the TNS/R prcess envirnment Describe the type f prcedures a TNS/R prcess can call Describe the TNS prcess envirnment Describe the type f prcedures a TNS prcess can call Describe the TNS accelerated prcess envirnment Describe hw fixup is achieved fr each envirnment during: - cmpilatin - link editing - lading 1.11 Describe hw shared cde is used Describe the differences between shared cde and linking prcedures List examples f shared run-time library (SRL) usage Describe mechanism fr accessing SRLs 1.12 Describe the functin f prcess pairs Describe the use f active backup vs passive backup Describe the checkpint mechanism 2) Memry Management (17%) 2.1 Describe virtual-t-physical memry mapping Describe the virtual memry mapping mechanism 4

5 Describe different views f virtual memry (kuseg, kseg*) 2.2 Demnstrate knwledge f memry management implementatin Describe the purpse f level-1 and level-2 cache Describe hw cde spaces are shared Describe hw flat segments are shared Describe hw priv mde relates t virtual memry 2.3 Demnstrate knwledge f lgical and physical tables Describe sme f the cmmn tables used in memry management Explain the use f the segment page table Describe the use f the prcess data space table (PDST) Describe the lgical segment mapping prcedure 2.4 Describe the use f lgical segments Describe the different types f segments used in memry management Discuss limitatins f lgical segments Describe the attributes f lgical segments Describe hw lgical segments are tracked 2.5 Demnstrate knwledge f the segment life cycle Explain hw segments are allcated and de-allcated Explain hw segments are resized 2.6 Describe the page faulting mechanism Explain when page faulting ccurs Explain the difference between page swapping and page faulting 2.7 Demnstrate knwledge f the frame selectin algrithm Describe the relevance f referenced and dirty bit Interpret memry related utput frm PEEK 2.8 Demnstrate knwledge f memry addressing Describe the difference between prcess-relative and prcessr-relative addressing Demnstrate knwledge f the address spaces Demnstrate knwledge f glbal data structures 2.9 Display knwledge f Kernel-managed swap facility (KMSF) Describe the use f KMSF reservatins Explain the features f KMSF Interpret NSKCOM utput 5

6 2.10 Demnstrate knwledge f tls used t mnitr memry Explain PEEK utput as it relates t memry usage Explain the use f MEASURE data t mnitr memry usage Describe hw ASAP(X) utput is used t mnitr memry usage Describe hw GPA utput is used t mnitr memry usage 3) Interrupts (6%) 3.1 Describe the interrupt life cycle Define an interrupt Describe hw prcess cntrl is returned t nrmal prcessing Describe what happens when an interrupt ccurs 3.2 Define the interrupt envirnment Describe hw an interrupted prcess is ntified Describe the functin f the system interrupt vectr (SIV) 3.3 Identify types f interrupts Demnstrate knwledge f the dispatch interrupt Demnstrate knwledge f the page fault interrupt Demnstrate knwledge f the pwer failure interrupt Demnstrate knwledge f the UCME interrupt 3.4 Demnstrate knwledge f cncurrent interrupt handling Describe hw sme interrupts can be interrupted Describe hw sme interrupts can be deferred Identify interrupts that can nt be deferred 4) Data Structures (11%) 4.1 Describe hw linked lists are used as a data structure Demnstrate knwledge f the different types f linked lists Describe the use f pinters within linked lists 4.2 Describe the use f tables Describe the frmat f tables Demnstrate knwledge f hw pinters are used within tables 4.3 Demnstrate knwledge f hw pls are used Describe the frmat f pls Demnstrate knwledge f hw pls wrk 4.4 Describe hw cntentin cntrls are implemented 6

7 Describe the mutual exclusin (MUTEX) mechanism Describe semaphre mechanisms 4.5 Describe hw time management is implemented Describe the rle f time list elements (TLEs) within time management Demnstrate knwledge f time synchrnizatin - between prcessrs - between systems 4.6 Describe the frmat f kernel data structures - DCT - MQC - SIV - PPL - NRL 5) Message Systems (12%) 5.1 Describe the client side f the message system Identify the differences between system and user prcesses Describe the infrmatin passed frm the client t the message system Define cnditins where expedited data is used Define requirements fr server reply Describe the different message system data structures n the client side 5.2 Describe the server side f the message system Identify the differences between system and user prcesses Describe the infrmatin passed frm the server t the message system Define the data structure unique t the server side Describe the implicatins f nn-expedited data Describe the different message system data structures (server side) 5.3 Explain the different mechanisms fr message transfer between prcesses Define where the infrmatin passed by the client is stred in the message system data structures Explain the differences between intra-prcessr, interprcessr and internde transfer 5.4 Identify the varius messages used during interprcessr cmmunicatin Describe the use f PIOs, such as the I m alive message mechanism Explain the functin f the glbal update prtcl (GLUP) 7

8 5.5 List alternative mechanisms fr cmmunicatins between prcesses Describe the functin f the QIO subsystem Describe the functin f shared extended data segments 5.6 Explain netwrk (Expand) file system extensins Define the rle f Expand line handler Describe the effect f netwrk cnsideratins n the file system data structure(s) 6) Guardian File System (16%) 6.1 Identify key Guardian file system API prcedures Identify the key supprt services Identify file system limitatins 6.2 Describe file system data structures Identify file system client side data structures Identify file system server side data structures System server User server Identify glbal file system data structures 6.3 Explain file system pen cnsideratins Describe OPEN message cnsideratins Describe the usage f OPEN by system prcesses Describe the usage f OPEN by applicatin prcesses High Pin prcess cnsideratins $Receive pen cnsideratins Describe the effect f NOWAIT pens Identify ther file system messages Identify cnsideratins fr syncdepth Valid file types Benefits Limitatins 6.4 Describe Guardian file system security Identify file system type supprt Describe file system limitatins 6.5 Describe the features f the Enscribe file system extensins Define the implicatin f partitined files/alternate key files Describe Enscribe Frmat 2 blck structure 8

9 Describe key-sequenced B-tree structure Describe an Enscribe key-sequenced blck split 6.6 Explain the usage f DEFINEs Describe DEFINE creatin: Prpagatin Pst prcess creatin Describe hw Defines are accessed Describe the implicatin f using DEFINEs 6.7 Explain the usage f startup, assign and param mess Demnstrate knwledge f TACL cnventins Describe where the values f startup, assign and param messages are kept 6.8 Demnstrate knwledge f Guardian disk file creatin Describe the usage f the free space table (FST) Describe virtual disk supprt by SMF Describe disk file extent size and limitatins 6.9 Describe supprt fr Guardian disk I/O using cache Nn-Enscribe disk file supprt Enscribe disk file supprt 7) I/O Subsystem (10%) 7.1 Demnstrate knwledge f ServerNet Describe the relatinship between remte memry access (RMA) and ServerNet Describe the differences between 'push' and 'pull' mechanisms Explain the transfer mechanism fr interprcessr Describe the rle f the ServerNet address space in I/O peratins Describe the frmat f ServerNet addresses Describe the ServerNet services layer 7.2 Demnstrate knwledge f cmmunicatins I/O Describe the life cycle f a cmmunicatins I/O Identify hw an I/O is initiated Identify hw the transfer ccurs Identify hw the I/O cmpletes Identify which cmpnents participate in a cmmunicatins I/O peratin Describe the driver layers 9

10 Describe the data flw frm applicatin t device Explain the rle f the SLSA subsystem 7.3 Demnstrate knwledge f strage I/O Identify which cmpnents participate in a strage I/O peratin Identify hw an I/O is initiated Identify hw the transfer ccurs Identify hw the I/O cmpletes Describe the driver layers Describe the rle f XIO Demnstrate understanding f the Bulk I/O architecture 7.4 Demnstrate knwledge f the WAN subsystem Identify hw WAN devices are cnnected t the prcessr Identify the rle f QIO within the WAN subsystem Identify hw ther I/O is implemented 7.5 Demnstrate knwledge f DP2 cache Describe the structure f cache cnfiguratin Explain the implicatins f cache hit vs miss fr read and write Describe the mechanisms fr displaying cache statistics Describe the relatinship between cache and cntrl pints 7.6 Demnstrate knwledge f I/O subsystem management Identify what is specified and started as a result f sysgen Identify the cmpnents invlved in cnfiguring and starting devices dynamically Identify the cmpnents f subsystem management Identify the rle f I/O subsystem managers Identify the rle f the persistence manager Identify the rle f the strage IOP Identify the rle f the interrupt handler and mdule driver 8) System Lad and Hardware Cnsideratins (7%) 8.1 Demnstrate knwledge f the prcedures invlved in system cld lad Describe hw a prcessr lads the btstrap Demnstrate knwledge f the btstrap prcesses Demnstrate knwledge f the OSIMAGE Describe relatinship between CONFLIST and OSIMAGE Demnstrate knwledge f lad-paths Demnstrate knwledge f the structures invlved in cld-lad 10

11 Identify difference between prcessr lad vs. system lad 8.2 Demnstrate knwledge abut the creatin f nn-sysgenned devices and generic prcesses Describe where cnfiguratin infrmatin is maintained Describe which prcesses are invlved Demnstrate knwledge abut STARTMODE attribute 8.3 Demnstrate knwledge f hardware implementatin cnsideratins Demnstrate knwledge f millicde functin Demnstrate knwledge f flating pint implementatin 8.4 Demnstrate knwledge f system failure mechanisms Demnstrate knwledge abut prcessr/system freeze mechanism Demnstrate knwledge abut the prcessr halting mechanism Demnstrate knwledge f pwer fail ride-thrugh 11

12 Recmmended Training and Study References This sectin lists training curses and dcuments that can help yu acquire a majrity f the knwledge and skills needed t pass the exam. Yu must als gain the practical experience utlined in this guide. Yu are nt required t take the curses listed in this sectin. Hwever, HP strngly recmmends that yu attend the classes, participate in class labs, and thrughly review all curse material and dcuments befre taking the exam, even if yu believe yu have sufficient n-the-jb experience. Instructr-Led Training Use the infrmatin in this guide and the practical experience yu have gained t determine yur need fr the HP instructr-led training. The HP Certified Prfessinal Prgram (Level 2) includes references t a variety f materials that prvide infrmatin included n this certificatin exam. Cmpletin f these HP curses and review f materials is recmmended, but nt required, fr success n this exam. Recmmended Minimum Curses Curse Title NnStp Kernel Architecture NnStp Kernel Principles Part Number U4178S U4179S Type Length ILT ILT 8 days 4 days Additinal Highly Recmmended Curses Curse Title Cllege curses pertaining t cmputer architecture, data structures and algrithms ILT = Instructr-Led Training ISP = Independent Study Prgram Other Level 2 Recmmended Resurces Fr all Level 2 NnStp ASE exams, it is highly recmmended that the certificatin candidates be familiar with the cntents f these tw bks (nt available n NTL): Perfrmance Analysis f Transactin Prcessing Systems by Dr. Wilbur Highleyman. This bk can be dwnladed frm the NnStp website under the heading Current Exams and Preparatin. Refer t the dwnlad link under the NnStp Perfrmance Analysis and Tuning Exam Preparatin Guide link. Nte that this bk is can be rdered frm HP Publishing. 12

13 Transactin Prcessing: Cncepts and Techniques by Jim Gray and Andreas Reuter, Mrgan Kaufmann Publisher, San Francisc, CA, This bk is available frm external bksellers. Curses Descriptins Check web site curse descriptins fr prerequisites at: T register in HP NnStp curses, g t: Yu can als call 1 (800) in Nrth America, t speak with an educatin cnsultant r register fr curses. If yu are in Canada, call 1 (800) r cntact yur lcal educatin and training resurce. Fr ther lcatins, refer t the HP certificatin web page fr yur gegraphy and yur reginal r lcal cntacts. Or, yu can send an t nnstp.training@hp.cm Additinal Recmmended Reference Materials fr This Exam References fr exam questins are fund in the web-based HP NnStp Technical Library (NTL). The NTL can be accessed frm these URLs: Internal: External: Nte that this exam preparatin guide typically references the latest dcumentatin release available at the time the exam was written. Dcumentatin The infrmatin in this exam preparatin guide is current as f release G Hwever, yu may find the infrmatin in earlier r later versins f the NnStp Technical Library (NTL) dcumentatin as well. Infrmatin nested (~) indicates subsectins emphasized in the dcument. COBOL85 fr NnStp Himalaya Systems Manual ( ) Cmpiler directives SAVEABEND and NOSAVEABEND Enscribe Prgrammer s Guide ( ) Blck Frmats f Structured Files Blck Frmat fr Structured Frmat 2 Files General File Creatin and Access Infrmatin 13

14 Specifying the Apprpriate Disk File ACCESSTYPE Parameter Sequential Blck Buffering Specifying the Apprpriate Disk File ACCESSTYPE Parameter Key-Sequenced Files Key-Sequenced Tree Structure Unstructured Files Infrmatin Creating Unstructured Files Buffer Size Guardian Perfrmance Analyzer Manual (135081) Descriptin f GPA Reprts Glbal Perfrmance Indicatrs Guardian Prcedure Calls ( ) Guardian Prcedure Calls (O) OPEN Prcedure Guardian Prcedure Calls (P) Define Cnsideratins Guardian Prcedure Calls (S) SEGMENT_ALLOCATE_Prcedure SEGMENT_DEALLOCATE_Prcedure SEGMENT_USE_Prcedure J. System Limits Guardian Prgrammer s Guide ( ) Creating and Managing Prcesses Data Spaces fr TNS/R Native Prcesses Managing Memry Sharing an Extended Data Segment Managing Time Hw the System Keeps Time Synchrnizing prcesses Binary Semaphres ~ Using Flating Pint Frmats Using DEFINEs 14

15 Using DEFINEs: An Example Cmmunicating with a TACL Prcess Guardian User s Guide ( ) Setting Up the Prcess Envirnment Reading the Startup Sequence Withut INITIALIZER Managing Users and Security Interfaces fr the Security Features Perfrming Rutine Disk Operatins Mnitring and Altering Swap Files Kernel Managed Swap Facility Manual ( ) Operatr Messages fr KMSF 214 Intrductin Kernel Managed Swap Prcess Flw Managing Kernel Managed Swap Files Stpping Swap Files LAN Cnfiguratin and Management Manual ( ) Overview f SLSA Measure GUI User's Guide (140772) Mnitring Resurce Use and Applicatin Activity Queuing fr the CPU NnStp Kernel Architecture, 05/30/02 ( ) Md 1, 1-9, 2-5, Md 3,1-34, 1-35, 3-17, 4-20, 4-16/17, 3-15, 4-32, 5-12, Lab 5, 6-3, 6-4, 6-10, 6.13, 6-14, 6-16, 6-21, 6-22, 6-23, 7-4,7-18, 7-19, 7-20, 7-23, 7-25, 7-29, 7-31, 7-36, 7-40, 7-50, Md 8, 8-5, 8-9, 8-14, 8-16, 8-33, 8-34, 8-36, 8-37, 8-46, 8-65, 8-70, 8-76, 8-81, 9-3, 9-7, 9-8, 9-11, 9-15, 9-16, 9-18, 9-26, 9-27, 9-28, Md 9-10,10-5, 10-10, 10-12, 10-17, 10-25, 11-9, 11-15, 11-17, 11-22, NnStp Kernel Principles (136913) 3-10, 3-16, 4-10, 5-8, 6-14, 6-27, 7-11, 7-16 NnStp S-Series FastPath Guide ( ) System Descriptin NnStp S-Series System Cnfiguratin NnStp S-Series Planning and Cnfiguratin Guide ( ) 15

16 Planning fr System Availability and Supprt Pwer Failure Functinal Descriptin Nnstp S-Series Server Descriptin Manual ( ) Memry Addressing and Access Selectable and Flat Lgical Segments Chart f Nnprivileged Space Allcatin Cntext Bund Addresses ~ Addressing in the Prcess Address Space Interrupt System Transferring Cntrl t an Interrupt Handler TNS Interrupts Interrupt Masking ~ Instructin Prcessing Envirnments Glssary Kernel Subsystem Manager Prcess SZZKRN Input/Output Operatins Layers f I/O Cmpnents I/O Prcess Mdels fr Strage I/O Nnstp Strage Management Fundatin Users Guide ( ) Intrductin t Strage Management SMF Architectural Cncepts PEEK Reference Manual ( ) Peek Syntax and Examples Elements f the Paging Display Pl Elements Glssary NRL, PPL SCF Reference Manual fr the Strage Subsystem ( ) Strage Subsystem Cmmands FSTCACHING System Generatin Manual fr G-Series RVU ( ) 16

17 Cnclusin Cmparing SYSGENR fr D-Series RVUs with SYSGENR fr G-Series RVUs Changes t the System Cnfiguratin Utilities QIO Cnfiguratin and Management Manual ( ) ~ Intrductin t QIO TACL Reference Manual ( ) Viewsys User's Guide (103491) Utils: TACL Cmmands and Functins ACTIVATE Cmmand STATUS Cmmand ViewSys Overview WAN Subsystem Cnfiguratin and Management Manual ( ) Overview f the WAN Subsystem WAN Bt Prcess Architecture and Cmpnents f the WAN Subsystem Simple Netwrk Management Prtcl (SNMP) Trap Multiplexer Prcess HP wishes yu success in the HP Certified Prfessinal Prgram and in passing the exam fr which yu are preparing. 17