Which of the following tape formats can be used to backup data systems in addition to its original intended audio uses?
Answer(s): D
Digital Audio Tape (DAT) can be used to backup data systems in addition to its original intended audio uses.
KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, 2001, John Wiley & Sons, Page 70.
Which of the following is a large hardware/software backup system that uses the RAID technology?
Answer(s): A
A Tape Array is a large hardware/software backup system based on the RAID technology.There is a misconception that RAID can only be used with Disks. All large storage vendor from HP, to EMC, to Compaq have Tape Array based on RAID technology they offer.This is a VERY common type of storage at an affordable price as well.So RAID is not exclusively for DISKS. Often time this is referred to as Tape Librairies or simply RAIT.RAIT (redundant array of independent tapes) is similar to RAID, but uses tape drives instead of disk drives. Tape storage is the lowest-cost option for very large amounts of data, but is very slow compared to disk storage. As in RAID 1 striping, in RAIT, data are striped in parallel to multiple tape drives, with or without a redundant parity drive. This provides the high capacity at low cost typical of tape storage, with higher-than-usual tape data transfer rates and optional data integrity.
KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, 2001, John Wiley & Sons, Page 70.andHarris, Shon (2012-10-18). CISSP All-in-One Exam Guide, 6th Edition (p. 1271). McGraw-Hill.Kindle Edition.
This type of backup management provides a continuous on-line backup by using optical or tape "jukeboxes," similar to WORMs (Write Once, Read Many):
Hierarchical Storage Management (HSM) provides a continuous on-line backup by using optical or tape "jukeboxes," similar to WORMs.
KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten Domains of Computer Security, 2001, John Wiley & Sons, Page 71.
Hierarchical Storage Management (HSM) is commonly employed in:
Hierarchical Storage Management (HSM) is commonly employed in very large data retrieval systems.
Physically securing backup tapes from unauthorized access is obviously a security concern and is considered a function of the:
Physically securing the tapes from unauthorized access is obviously a security concern and is considered a function of the Operations Security Domain.
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