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Interview Question and Answer – AS400 iSeries 

 August 4, 2017

By  NickLitten

Twenty years ago these are the kind of things you had to know to work on the old AS400 systems. I found these on an old dusty corner of my homeserver. Enjoy the trip down memory lane or to use old RPG lingo AS400NERD CABEQ ‘1’  START

AS400 Questions

a vintage as400 server

What is the Configuration of the AS/400 system on which you have worked?
System E35(Model 9406), 24MB main memory, 3.2GB of HD and supports 49 terminals (7 Port).

How many terminals can be connected to a port?
7 terminals

What do the terms CUA and SAA stand for?
Common User Access Systems Application Architecture

What are the communication protocols supported by AS/400?

  • AL40004 APPC (Advanced Program to Program Communication) BSCEL (Binary Synchronous Link)
  • ASYNCH (Asynchronous Communication)
  • RETAIL
  • TCP IP
  • FINANCE
  • SNUF SNA Upline facility
  • INTRA Intrasystem communication.

What are the different ways of connecting a terminal to a system?
Twinnax, Workstation, ASCII and OS/2 Workstation.

Why AS/400 is called an Object Oriented Machine?
Everything on the AS/400 system that can be stored or retrieved is contained in an Object. Object exist to make users independent of the implementation techniques used in the machine.

What is SAA ?
Systems Application Architecture (SAA) is a collection of selected software Interfaces, Conventions and Protocols that will provide a consistent framework
across the System/370, AS/400 and PS/2.

What are the different AS/400 rack models supplied by IBM?
9402, 9404 and 9406.

What are the different high-level languages available on AS/400?
RPG/400, CL/400, BASIC, PL/1, C/400, PASCAL, FORTRAN/400 and RM/COBOL-85, COBOL/400 etc..

What are all the IBM Mid range machines prior to AS/400?
S/38, S/36, S/34, S/32 &S/3.

What is the Operating System on AS/400?
OS/400.

What are office tasks available on AS/400?
Office Vision/400 & PC Support/400.

What are the graphic utilities available on AS/400?
BGU & GDDM.

NickLitten


IBM i Software Developer, Digital Dad, AS400 Anarchist, RPG Modernizer, Shameless Trekkie, Belligerent Nerd, Englishman Abroad and Passionate Eater of Cheese and Biscuits. Nick Litten Dot Com is a mixture of blog posts that can be sometimes serious, frequently playful and probably down-right pointless all in the space of a day. Enjoy your stay, feel free to comment and remember: If at first you don't succeed then skydiving probably isn't a hobby you should look into.

Nick Litten

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