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CISA® Certified Information Systems Auditor®: Study Guide, Third Edition by David Cannon

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Answers to Review Questions

1. A. RAID level 0 improves performance and can provide large logical drives but it does not increase redundancy. It is often used in combination with other levels to improve performance and redundancy. The purpose of RAID-0 is to combine multiple disks into one giant virtual disk.

2. B. The function of network routers is to route IP packets throughout the network or the Internet. The router does not know the entire route to the destination. The router holds a routing table that simply provides the address of the next point down the path to the destination. Network routing is like a game of connect-the-dots. The data must travel sequentially from one router to the next router until it reaches the intended destination. ...

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