division of Nickerson Consulting Group

Information Technology Charts - Miscellaneous Collection

(training, review and corporate topology & process charts)

 

 

 

Purchased charts are printed on high quality color laser paper and are laminated and shipped in protective envelopes.

 

UNDER DEVELOPMENT

      

 

SNA PROTOCOL

 

 

IBM’s SNA data structures are described with byte lengths. Transmission headers, request / response headers and units are broken down by category and values.

SNA Data Structures

 

 

SNA Protocol Layers
 

SNA Network Addressable Units

 

 

 
   

 

LUMIGENT

 

The Lumigent AuditDB database monitoring architecture is graphically presented using one MS SQL database. This generic topology illustrates the interrelation of the repository database, central configuration database (CCDB), and the audit source agent

Lumigent AuditDB Topology

 

 

 

This chart lists the core Lumigent AuditDB file types - ECZ, BAK, TRN, MDF, NDF, LDF, and TRC

Lumigent  AuditDB File Types

 

The Lumigent AuditDB Commands are listed for the server agent, GUI API, and lmsubmit activities

Lumigent AuditDB Commands

 

 

  
OTHER

Classic bridge crossing question – 4 people need to cross a bridge at night with one flashlight. This chart is free and downloadable – published as an Adobe PDF file.

Bridge crossing problem - Free

  

Golden Ratio

 

Door Framing - Free

 

This free chart, published as an Adobe PDF, describes a simple method to solve for an unknown angle using inverse trigonometry – arctangent. Given two lengths of a 90 degree angle, the “opposite” angle can be calculated.

Arctangent calculation - Free

 

ADSL Technology

 

Dual-tone multi-frequency (DTMF) signaling chart - used for telecommunication signaling over analog telephone lines in the voice-frequency band between telephone handsets and other communications devices and the switching center.

DTMF Keypad - Free
 
 
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