LAN Server Engineer Advantage Test 122 TEST INFORMATION: - Fast path to Certified LAN Server Engineer exam, for CNEs only - Number of questions: 97 - Passing % Score: 60 - Length (in minutes): 90 PREPARATION: - Self Study LAN Server Certification Handbook LAN Server Engineer Advantage Test 122 Objectives Version 1 SECTION 1 - LAN SERVER INTRODUCTION - Define the functions and advantages of the domain concept and single system image. - Identify the workstation types and roles in an OS/2 LAN Server Environment. - List the resources that may be shared by an OS/2 LAN Server. - Describe the Domain Control Database (DCDB) and its contents. - Explain the purpose of network services. - Describe the purpose of each network service. - List the ways to start, stop, pause, or continue network services. - Describe the ramifications of stopping or pausing specific network services. SECTION 2 - DEFINING USERS AND GROUPS - Describe the different types of users in an OS/2 LAN Server domain. - Describe user ID restrictions and uniqueness requirements. - Use User Profile management, the command line interface, and the LAN Server Administration Graphical User Interface (GUI) to create users. - Use User Profile Management, the command line interface, and the LAN Server Administration GUI to create groups. - Identify which file on the server contains user and group information. SECTION 3 - SHARING AND USING NETWORK RESOURCES - Define the term "Alias" and "Netname" and describe how they are used to share resources. - Define the term "Universal Naming Convention (UNC)" and explain its significance in a LAN Server domain. - Creat netnames for shared resources via the LAN Server Administration GUI and the command line interface. - Create aliases for shared connections to shared resources using the LAN Server GUI and the command line interface. - Create temporary connections to shared resources using the LAN Server Administration GUI and the command line interface. - Create automatic logon assignments for resources using the LAN Server Administration GUI, PROFILE files, and logon scripts. - Use the NET ADMIN command. SECTION 4 - ACCESS CONTROL - List and describe the types of access control permissions available by resource. - Explain the sequence of access control checking when a user attempts to access a shared resource. - Determine the effective access control rights for a user. - Create access control profiles for resources on the server using the LAN Server Administration GUI, the command line interface, and inheritance. - Describe the ramifications of using the propagate (apply) function. - Identify where access profiles are stored for servers with and without 386HPFS installed. SECTION 5 - HOME DIRECTORIES - Describe how a home directory may be used. - Create a home directory definition using the LAN Server Administration GUI, and the command line interface. - Identify the differences in home directory definitions when using the LAN Server Administration GUI versus the command line interface. SECTION 6 - SHARED PRINTERS - Create a local printer object on an OS/2 LAN Server. - Describe the purpose of an OS/2 printer queue. - Create a shared printer alias definition and access control profile. - Describe the methods used to assign a shared printer to a user as an automatic logon assignment. - Create a network printer object on an OS/2 Requester machine. SECTION 7 - APPLICATION DEFINITIONS - List the types of applications that may be defined in an OS/2 LAN Server domain. - Create a shared application definition using an OS/2 LAN Server Administration GUI, and the command line interface. - Describe the purpose of a work directory. - Describe the purpose of network assignments. - Explain the methods that may be used to allow a shared OS/2 application to access its DLL files. - Assign shared applications to users at logon. SECTION 8 - CROSS DOMAIN RESOURCES - Explain the use of a cross domain resource within the context of an OS/2 LAN Server Environment. - Create a cross domain resource definition so that users in one domain may transparently access a shared resource residing in another domain. SECTION 9 - MPTS/2 - Describe the adapter and protocol support structure used by LAN Server with emphasis on: PROTOCOL.INI, NDIS, .NIF files. - Given a set of workload requirements, select the appropriate values for the following NetBOIS capacity parameters: Sessions, Commands, Names. - Define the protocols used by LAN Server. SECTION 10 - FILE SYSTEMS - Explain the differences between the three file systems used in an OS/2 LAN Server environment. - Explain the advantages of 386HPFS. - Describe how and when access control lists (ACLs) are used, and identify where they are stored on the server. SECTION 11 - LAN SERVER INSTALLATION - List the prerequisite hardware and software requirements for LAN Server 4.0 Entry and Advanced. - Describe the four different LAN Server installation paths, and explain when each is used. - Install LAN Server 4.0 using the Easy installation path. - Install LAN Server 4.0 using the Tailored installation path. SECTION 12 - CAPACITY PLANNING - Given a set of workload requirements, assign the appropriate values to the following IBMLAN.INI parameters: x1 (sessions), x2 (commands), x3 (names), maxshares, maxusers, maxconnections, maxopens, maxlocks, maxsearches, autodisconnect and cleanup. - Describe the parameters in IBMLAN.INI that are dependent upon parameters in PROTOCOL.INI. - List the capacity parameters that are configured differently on 386HPFS servers. - Describe the purpose and use of the LS40TUNE LAN Server 4.0 Performance Tuning Assistant. SECTION 13 - PERFORMANCE TUNING APPROACHES - Describe the methodical approach to performance tuning. - Describe some basic computer performance bottlenecks. - Describe some trade-offs that may occur when making performance tuning decisions - Describe the performance benchmarking process. SECTION 14 - CAPACITY AND PERFORMANCE MONITORING TOOLS - Access and describe the information found in each of the following log files: Network Statistics, LAN Server Error Log, LAN Server Audit Trail, LANTRAN.LOG. - List the ways that the log files may be used by a network administrator. - Use the AT scheduler to automate tasks. - List the tools available for performance analysis in the OS/2 LAN Server environment. - Describe how network trace tools can provide valuable performance information. SECTION 15 - CACHE AND CONFIG.SYS TUNING PARAMETERS - Describe how the FAT and HPFS file systems utilize disk cache. - Describe how the 386HPFS file system utilizes disk cache. - Use the CACHE386.EXE utility of LAN Server Advanced to assess cache performance. - Given a cache-related performance problem, configure FAT, HPFS, and 386HPFS cache parameters to solve the problem. - Configure the LAN Server's CONFIG.SYS file to optimize swapper performance. SECTION 16 - IBMLAN.INI PERFORMANCE TUNING - Describe the IBMLAN.INI file and list its main functions. - Describe the use of the LAN buffers utilized by OS/2 Servers and OS/2 and OS/2 and DOS Requesters - List the three types of Server Message Block (SMB) protocols used for file transfer between the server and the requester. - Describe the data flow through the network for the different file transfer types between the server and the requester. - Given a set of workload requirements, determine the appropriate value for NUMREQBUF on a server. - Describe the importance of matching buffer sizes on servers and requesters. - Describe the IBMLAN.INI parameters that most signficantly affect server performance. - Describe the effects of modifying each of the IBMLAN.INI performance tuning parameters. SECTION 17 - PROTOCOL.INI PERFORMANCE TUNING - Describe the sections of the PROTOCOL.INI file. - Describe how to effectively set transmit and receive buffers. - Describe the parameters in PROTOCOL.INI that most affect server performance. - Describe the effect of having multiple network adapters on a server. SECTION 18 - BACKUP AND RECOVERY TASKS - Identify the critical files of an OS/2 LAN Server. - Use the BACKACC and RESTACC utilities to backup and restore NET.ACC and the server's ACLs. - Describe the considerations required to back up or apply maintenance to files residing on 386HPFS partitions. - Configure a server to act as a backup domain controller. - Describe the DCDB Replication function. - Configure DCDB Replication on a domain controller and on a backup domain controller. - Recover domain operations after a domain controller failure. LAN Server Engineer Advantage Sample Test 122 Version 1 SECTION 1 - LAN SERVER INTRODUCTION 1. Which service allows a workstation to boot its operating system over the network? a. Netrun b. Timesource c. Remoteboot d. Generic Alerter 2. Which services must be started on the server to allow users to log onto the domain? a. Timesource b. Netlogon c. LSServer d. requester SECTION 2 - DEFINING USERS AND GROUPS 3. An administrator is creating a user account for the domain from the command prompt of an OS/2 Requester machine. Which command would the administrator use to create the user account? a. NET USER JOHN PASSWORD b. NET USER JOHN /P:PASSWORD/NEW c. NET ADMIN \\SERVER /C NET USER JOHN PASSWORD /ADD d. NET SERVER \\SERVER1 NET USER JOHN PASSWORD /ADD SECTION 3 - SHARING AND USING NETWORK RESOURCES 4. If an administrator defines a netname called GRAPHICS, what is GRAPHICS? a. a temporary definition stored in memory b. a permanent definition stored in NET.ACC c. a permanent definition stored in the DCDB d. a temporary definition stored in the DCDB 5. Which statement is true about a LAN Server 4.0 administrator creating a printer alias through the LAN Server Administration GUI? a. The LPT port of the printer must be defined on the Identity tab page of the settings notebook. b. The alias name need not be the same as the spooler queue name. c. The alias name must be the same as the spooler queue name. d. The alias may be shared "as required by user." SECTION 4 - ACCESS CONTROL 6. Which are valid access permissions for printers? a. none b. print c. write d. create e. permissions 7. Directory C:\APPS resides on a FAT drive on a server with the following access control profile: USERS = R FINGROUP = RWCD TOM = XRCW The administrator then issues the MD C:\APPS\DATA command at the server console. What access rights does Tom now have to C:\APPS\DATA on the server? a. none b. XRCW c. RWCD d. R SECTION 5 - HOME DIRECTORIES 8. Which statements about home directories are true? a. Users are assigned one home directory for each group to which they belong. b. Users may create subdirectories beneath their home directory. c. All home directories must reside beneath the \IBMLAN \DCDB\ HOMEDIRS path of the domain controller. d. Users have XRWCDPA access permissions to their home directories. SECTION 6 - SHARED PRINTERS 9. What must be done before a printer connected to a LAN Server may be shared? a. The server must be defined to the domain controller as a dedicated print server. b. An access control profile must be created for the print spooler, granting the users group RW access. c. A local printer object must be created on the server. d. The DOS/OS/2 printer share program must be installed on the domain controller. SECTION 7 - APPLICATION DEFINITIONS 10. Which program type is the OS/2 Window of OS/2? a. UIO b. VIO c. OS/2 PM d. Protmode 11. Where can a public OS/2 application's executable file reside? a. on the requester workstation's fixed disk drive if an alias is defined for the directory containing the executable b. on the requester workstation's fixed disk drive if the public application definition references the drive letter and path to the executable c. on a server in the domain if an alias is defined for the directory containing the executable d. on a server in the domain only if there has been no alias defined for the directory that contains the executable 12. Alias TUTORIAL points to D:\TUTORFLS. An application looks for its DLL files in D:\TUTORFLS\DLL. What is the remaining path for a working directory if this alias is used to define it? a. D:\TUTORFLS b. \DLL c. D:\TUTORFLS\DLL d. \TUTORFLS SECTION 8 - CROSS DOMAIN RESOURCES 13. User ID JOHN is defined to DOMAINA, but not DOMAINB. What must the DOMAINB administrator do to allow JOHN to access C:\APPS\DATA on a DOMAINB server? a. Delete JOHN's user ID from DOMAINA, and create a user ID for JOHN in DOMAINB b. Grant the users group RWC permissions for C:\APPS\DATA. c. Grant the GUEST user ID RWC permissions for C:\APPS\DATA d. Copy C:\APPS\DATA to a server on DOMAINA, and grant the GUESTS group RWC permissions for C:\APPS\DATA SECTION 9 - MPTS/2 14. The messenger and server services will be active on a dedicated LAN Server while a user is logged onto the server console. What must be the minimum value for the NAMES parameter in PROTOCOL.INI for this to happen without error? a. 1 b. 3 c. 6 d. 16 e. 32 SECTION 10 - FILE SYSTEMS 15. Which LAN Server file system limits its cache size to 2 MB? a. FAT b. HPFS c. 386HPFS d. AIX SECTION 11 - LAN SERVER INSTALLATION 16. What software must be installed on a machine before LAN Server 4.0 Advanced may be installed? a. DOS Version 3.3 or above b. Windows 3.1 or above c. OS/2 Version 2.1 or above d. OS/2 Communications Manager/2 or OS/2 Extended Services SECTION 12 - CAPACITY PLANNING 17. Which LAN Server 4.0 utility helps automate capacity planning? a. CNFGLS 30 b. CNFGLS 40 c. LS40TUNE d. SPM/2 SECTION 13 - PERFORMANCE TUNING APPROACHES 18. On one particular server, you notice that the SWAPPER.DAT is always quite large and that the disk light indicates more activity than the other servers. You have received complaints about response time on the server. You are not sure how this server is configured. Given these observations, where should you begin investigating the problem? a. CPU speed b. disk speed c. machine memory d. file system 19. An application loads its large data files in 5k data blocks. However, it is performing much slower than other applications which read smaller data files. Which configuration parameters might cause this type of performance bottleneck? a. cache size that is too small b. maxwait value that is too low c. cache threshold size that is too small d. server running out of big buffers e. srvheuristic for opportunistic locking that is turned off 20. What does performance benchmarking refer to? a. selecting and testing the most likely solution b. using a test environment to predict the effects of a change in the production environment c. establishing a baseline and measuring the effects of parameter changes against that baseline d. making changes in small increments to find the point at which additional changes no longer may have an effect SECTION 14 - CAPACITY AND PERFORMANCE MONITORING TOOLS 21. Which will return the mean response time for OS/2 LAN Server requests? a. NET STATS SRV b. NET ERROR c. NET AUDIT d. NET CONFIG SRV 22. If a program is scheduled by an administrator to execute on the server automatically, what MUST the program do? a. run interactively b. run in detached mode c. redirect any output to a printer d. be a Presentation Manager program 23. Network trace tools provide useful performance tuning information because they can be used to determine what? a. the protocol being used to send data b. the network adapter shared RAM allocation c. the network traffic generated by a server d. the extent to which the server cache is being used e. the size of the records being sent from the server SECTION 15 - CACHE AND CONFIG.SYS TUNING PARAMETERS 24. What does LAN Server 4.0 386HPFS cache default to? a. 10% of real memory b. 20% of real memory c. 25% of real memory for systems with less than 16 MB of real memory, 50% of real memory for systems with more than 16 MB of real memory d. 20% of real memory for systems with less than 20 MB of available memory, 60% of real memory for systems with more than 20 MB of available memory 25. Which statement is true when CACHE386 is used to test caching? a. The Entry server must be started b. /STATS:D should be used to display statistics dynamically c. Only caching caused by server activity will be displayed d. /STATS will display the current size of the cache and a snapshot of the statistics to help document the test 26. Which command would you type at the OS/2 prompt to determine the current size of 386HPFS cache on a LAN Server Advanced system? a. CACHE386 b. CACHE386 /STATS c. CACHE386 /OPTIONS d. CACHE386 /SIZE SECTION 16 - IBMLAN.INI PERFORMANCE TUNING 27. Which SMB protocol is used for data transfer when both the header and all of the data reside within one network buffer? a. raw b. core c. random d. multiplexed 28. As more users concurrently issue small data requests from the server, you notice that response time increases substantially. To improve performance, which parameter would you consider changing first? a. MAXWRKCACHE on the requesters b. NUMWORKBUF on the server c. NUMREQBUF on the server d. NUMDGRAMBUF on the server SECTION 17 - PROTOCOL.INI PERFORMANCE TUNING 29. Which server adapter parameter change in PROTOCOL.INI will have the greatest effect on reducing network adapter congestion error? a. increasing the transmit buffer size b. increasing the number of transmit buffers c. reducing the receive buffer size d. increasing the number of receive buffers. SECTION 18 - BACKUP AND RECOVERY TASKS 30. Which utility will back up ACL's in the 386HPFS file system? a. THIN386 b. FIXACC c. DCDBREPL d. BACKACC ANSWER KEY 1. c 21. a 2. b,c,d 22. b 3. c 23. a,c,e 4. a 24. d 5. b 25. b 6. a,d,e 26. c 7. a 27. b 8. b,d 28. c 9. c 29. c 10. b 30.d 11. b,c 12. b 13. c 14. c 15. b 16. 17. c 18. c 19. a,c,d 20. c