                                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
