IT Governance, Risk, and Compliance:

July, 2012

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July 27, 2012  11:39 PM

IT Hardware Duplicity and Echo Checks – Part II



Posted by: Robert Davis
Configuration Management, Control Methods, Echo Check, Hardware Controls, Information Communication Technology, Information Security, Infrastructure Management, Integrity, Internet, IT Architecture, IT Configuration, IT Hardware, IT Security, Risk Management

Duplicate operations may be performed on independent IT hardware components or on the same component. Alternatively, the repeat operation may be complimentary to the initial operation, such as where a read is performed after a write to check what was written. Duplicate operations are commonly...

July 25, 2012  12:08 AM

IT Hardware Duplicity and Echo Checks – Part I



Posted by: Robert Davis
Configuration Management, Control Methods, Echo Check, Hardware Controls, Information Communication Technology, Information Security, Infrastructure Management, Integrity, Internet, IT Architecture, IT Configuration, IT Hardware, IT Security, Risk Management

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July 21, 2012  12:16 AM

IT Hardware Redundancy Checks Using Parity Bits – Part IV



Posted by: Robert Davis
Configuration Management, Hardware Controls, Information Communication Technology, Information Security, Infrastructure Management, Integrity, Internet, IT Architecture, IT Configuration, IT Hardware, IT Security, Risk Management

Reducing data reliability and integrity risks from IT hardware When properly deployed, parity bits can be utilized to detect communication errors between IT hardware items. An advantage of the double parity bit is that an error is defined in two dimensions:...


July 18, 2012  1:51 AM

IT Hardware Redundancy Checks Using Parity Bits – Part III



Posted by: Robert Davis
Configuration Management, Hardware Controls, Information Communication Technology, Information Security, Infrastructure Management, Integrity, Internet, IT Configuration, IT Hardware, IT Security, Risk Management

Parity bits as a foundation for redundancy checks One of the simplest error detection schemes is parity checking. Classically, parity checks are deployed to maintain information integrity. Parity checks are generally considered a hardware control that requires calculation for...


July 13, 2012  11:50 PM

IT Hardware Redundancy Checks Using Parity Bits – Part II



Posted by: Robert Davis
Configuration Management, Hardware Controls, Information Communication Technology, Information Security, Infrastructure Management, Integrity, Internet, IT Configuration, IT Hardware, IT Security, Risk Management

How electronically encoded bits become redundant Generation of extra bits for a redundancy check is derived from the relevant data and, therefore, bears a logical relationship to the data. This logical relationship is only a control association and has no modifying effect on...


July 10, 2012  11:51 PM

IT Hardware Redundancy Checks Using Parity Bits – Part I



Posted by: Robert Davis
Configuration Management, Hardware Controls, Information Communication Technology, Information Security, Infrastructure Management, Integrity, Internet, IT Configuration, IT Hardware, IT Security, Risk Management

When properly deployed, parity bits can be utilized to detect communication errors between IT hardware items and enable corrective measures. Specifically, redundancy checks are a method of inspecting for errors in IT processing. The application of


July 6, 2012  10:32 PM

IT Equipment Functionality and Integrity Checks – Part V



Posted by: Robert Davis
Configuration Management, Digital Storage Devices, Hardware Controls, Information Communication Technology, Information Security, Infrastructure Management, IT Configuration, IT Hardware, Risk Management

Automatic retry is employed in data communications by retransmission of erroneous messages. Retransmission is utilized in conjunction with an error-detection technology and can involve the retransmission of a character, word, record, or set of records. Verifying the adequacy of equipment...


July 4, 2012  1:01 AM

IT Equipment Functionality and Integrity Checks – Part IV



Posted by: Robert Davis
Configuration Management, Digital Storage Devices, Hardware Controls, Information Communication Technology, Information Security, Infrastructure Management, IT Configuration, IT Hardware, Risk Management

Automatic retry is also utilized with magnetic tape. Imperfections on the surface of the magnetic tape that interfere with reading or writing can be dislodged by back-spacing the tape and trying again. Whereas, disc drives utilize automatic retry to facilitate successful read/write operations....


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