Callpath Direct Talk/2 Specialist Exam
Test 090


-Required for Certified Direct Talk/2 Specialist
























































                                Callpath Direct Talk /2 Specialist
                                Test 090 Objectives
                                Version 1


SECTION 1 - PLANNING

- Describe the characteristics, interactions, and limitation of the 
  telephony hardware.
- Describe the characteristics, interactions, and limitations of
  the DirectTalk/2 host communication options.
- Define the minimum hardware requirements needed to support
  a given set of function and capacities.
- Select an optimum collection of DirectTalk/2 nodes to support a
  given set of function requirements.
- List supported digital telephony protocols.
- List the customer-specified system requirements which 
  determine the DirectTalk/2 capacity and configuration.


SECTION 2 - INSTALLATION

- Describe the proper sequence of events and activities to
  successfully install a DirectTalk/2 system.
- Specify the exact DirectTalk/2 features and other software
  required for different system configurations.
- Configure voice telephony hardware and software for proper
  operation.
- Calculate and adjust network setup for a given DirectTalk/2
  node configuration.
- install and configure host communications hardware and 
  software.


SECTION 3 - CONFIGURATION

- Select and configure the appropriate analog caller disconnect
  detection methods.
- Modify a DirectTalk/2 configuration.
- Describe the effects of changing the voice sampling rate on 
  disk utilization, cache requirements, and system performance.
- Describe how to adjust the voice segment cache and its effect
  on memory requirements and system performance.
- Configure Global Tone Detection and describe its uses.
- Configure a DirectTalk/2 node to support various tasks.


SECTION 4 - ADMINISTRATION

- Select correct recovery procedures for a system power failure.
- Describe system and application statistics gathering capabilities.
- Describe sequence of steps to replace or change an application or
  application mix that is running on a production system.
- Describesequence of steps to place a new application into 
  production.
- Describe sequence of steps to replace pre-recorded voice that
  is running on a production system.
- Select appropriate Node Manager (Batch or Interactive) to 
  perform a given management task.
- Describe methods to determine if system is doing productive 
  work.
- Describe procedure for moving applications and user actions
  from one node to another.
- Configure DirectTalk/2 to automatically start with the 
  desired applications upon power-up.
- List the characteristics of an application's component given 
  its full file name.


SECTION 5 - APPLICATION DEVELOPMENT

- Identify the steps involved in producing a DirectTalk/2 application.
- Identify the methods available to debugging a DirectTalk/2
  application.
- Compare and contrast the ways of writing a DirectTalk/2
  application using T-REXX or DirectTalk/2 script.
- Describe and use actions used in applications.


SECTION 6 - PROBLEM DIAGNOSIS AND TROUBLESHOOTING

- Analyze and correct problems with analog and digital 
  telephone connections.
- Analyze and correct problems with host communications.
- Tune system to improve poor accuracy of voice recognition.
- Analyze and correct problems with speech synthesis (TTS).
- Analyze and correct problems with distributed system configurations.
- List information needed when reporting a problem to IBM.
- Isolate source or cause of typical DirectTalk/2 performance
  problems.
- Identify key directories used in DirectTalk/2.


SECTION 7 - SYSTEM EXTENSIONS

- Select system extensions type which best supports a given
  application requirement.
- Identify programming skill(s) and tools required to implement
  a given System Extension.
- Identify configuration changes required to enable a given
  System Extension.


SECTION 8 - MAINTENANCE

- Describe how service is applied to a DirectTalk/2 system.
- Identify the steps involved in creating a backup of a 
  DirectTalk/2 database.
- Distinguish between the different DirectTalk/2 utilities
  available for database maintenance.



                                Callpath Direct Talk /2 Specialist
                                Sample Test 090
                                Version 1

SECTION 1 - PLANNING

1. The minimum hardware components required to support any phone lines
connected to DirectTalk/2 are for

a.  voice processing and speech synthesis
b.  voice processing and voice recognition
c.  network interface and voice recognition
d.  network interface and voice processing

2. What is the maximum number of host terminal emulator sessions that can
be supported by a DirectTalk/2 system?

a.  four times the number of installed phone lines
b.  the number of installed phone lines
c.  four times the number of active voice sessions
d.  the number of host-defined LUs

3. Which factors may influence the number of PC adapter slots required   to
support a given DirectTalk/2 configuration?

a.  number of Voice Recognition channels
b.  number of required mailboxes
c.  type of PC bus
d.  Telecommunication Devices for the Deaf feature
e.  size of voice segment cache

SECTION 2 - INSTALLATION

4. DirectTalk/2 components are normally installed in the following order

a.  base system, country, languages, lines, features
b.  base system, lines, features, country, languages
c.  features, base system, lines, languages, country
d.  features, lines, base system, country, languages

5. You are installing a new DirectTalk/2 system that will run a Voice
Program provided by a vendor which uses the Play_Text action.
Which DirectTalk/2 feature is required?

a.  Host Communications
b.  Speech Synthesis
c.  Telephony Devices for the Deaf Support
d.  Voice Recognition
e.  Voice Messaging

6. Which version of Dialogic software should be installed to use with
a new installation of DirectTalk/2?

a.  the latest version available from Dialogic
b.  the version received with the Dialogic adapters
c.  the version received with the DirectTalk/2 software
d.  the version with the same number as DirectTalk/2

SECTION 3 - CONFIGURATION

7. You have defined a voice segment cache to be a maximum of 2MB.  The
actual amount of cache used is directly affected by the

a.  number of active voice sessions
b.  voice sampling rate
c.  available disk storage
d.  number of recorded voice segments

8. If you configure a DirectTalk/2 node to remotely manage other DirectTalk/2 nodes,
you must also specify the

a.  number of remote users
b.  remote statistic server node name
c.  number of nodes sending statistics
d.  target node names

SECTION 4 - ADMINISTRATION

9. You have re-recorded some Voice Segments.  You wish to put the changes
into effect on a distributed system.  Before the changes can be put into
effect, the distributed system must have the

a.  DirectTalk/2 language feature reinstalled
b.  tape containing the recordings
c.  changed Voice Segment database file(s)
d.  OS/2 Multimedia voice library updated

10. A file named HELLO.ST is in the DirectTalk/2 data directory.  This file is the

a.  spoken word 'HELLO' in English
b.  Voice Program 'HELLO'
c.  Voice Synthesis text for 'HELLO'
d.  REXX Voice Application 'HELLO'

SECTION 5 - APPLICATION DEVELOPMENT

11. You have both a startup and a control file for an application.  The
variable MY_VAR is defined to be 'C' in the control file and 'S' in the
startup file.  When the application starts, the variable MY_VAR will have the value

a.  'C'
b.  'S'
c.  'MY_VAR'
d.  no value

12. Your customer requires a count of the number of times a host is accessed.
The DirectTalk/2 system action used to select the desired data is

a. Add_Record
b. Add_Stat_Item
c. Log_a_Message
d. Start_Clock

SECTION 6 - PROBLEM DIAGNOSIS AND TROUBLESHOOTING

13. Users calling your DirectTalk/2 system from cellular phones in their
automobiles are complaining that they are being disconnected in the
middle of their call.  Other callers have not reported this problem.
What is the likely source of the problem?

a.  Cellular phones are not supported with DirectTalk/2.
b.  Noise is causing false detection of caller hangups.
c.  The Voice Program is using the Hang_up_Phone action.
d.  There is an IRQ conflict with the telephony adapters.

14. You have an 8-line DirectTalk/2 system using Communications Manager/2
to connect to a S/390 host. You are running the same application on each
phone line. However, you can only start a maximum of 4 applications at a time.
The 5th to 8th applications always fail with various errors indicating a problem with
host communications.
Checking the emulators in Node Manager, you find
hat 4 of the 8 shown are stopped.
Communications Manager/2 is started and running.
What is a likely explanation for the problem?

a.  Communications Manager/2 does not have a sufficient number of sessions configured.
b.  DirectTalk/2 host communications needs to be reconfigured to have 8 host sessions.
c.  There is a broken or bad connection between DirectTalk/2 and the hostsystem.
d.  DirectTalk/2 host communications needs to be reconfigured to add network names
    for each emulator.

15. You have a DirectTalk/2 system, DEV1, configured to perform remote development
of voice applications.  Attempting to open a list of Voice Programs in
the Voice Application Developer results in the error "Network Error: The
remote node PROD1 is not responding".

What is the most likely cause of the error?
a.  The DirectTalk/2 system, DEV1, has insufficient NetBIOS resources.
b.  The DirectTalk/2 system, PROD1, has insufficient NetBIOS resources.
c.  The DirectTalk/2 system, PROD1, is not running at this time.
d.  The Voice System (GSI) on DEV1 is not running at this time.

16. The default path for DirectTalk/2 is

a.  \OS2
b.  \DT2
c.  \DTALK
d.  \DTALK\DATASERV

SECTION 7 - SYSTEM EXTENSIONS

17. Source code for a User Action may be contained in

a.  REXX .CMD file(s)
b.  C language .C files(s)
c.  Basic language .BAS files(s)
d.  C language .H files(s)
e.  OS/2 .DLL files(s)

18. You have just compiled and linked a new User Server DLL.
In order to test the server, you must add to the GSI configuration
file a statement beginning with

a.  TYPE=NODE
b.  TYPE=SERV_LOC
c.  TYPE=SERV_NETB
d.  TYPE=REQ_NETB

19. You have developed a new User Server and have altered the DirectTalk/2 GSI
configuration file.  The alteration works but stops working after doing
a DirectTalk/2 reconfiguration.  The characteristic of reconfiguration
which causes this behavior is

a.  the GSI configuration file is replaced
b.  your User Server is replaced by a dummy server
c.  CONFIG.SYS file is replaced
d.  the DirectTalk/2 executable files are refreshed from backups

SECTION 8 - MAINTENANCE

20. You are ready to install a ServicePak.
What do you have to do to the DirectTalk/2 system?

a.  ensure it is shut down
b.  ensure it is running
c.  ensure it is running, but all applications are stopped
d.  nothing


ANSWER KEY

1.  d

2.  a

3.  ac

4.  a

5.  b

6.  c

7.  b

8.  d

9.  c

10. b

11. b

12. b

13. b

14. a

15. c

16. c

17. bd

18. b

19. a

20. a
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