CompTIA SY0-101 Security+ Study Guide by Mike Pastore, Emmett Dulaney

By Mike Pastore, Emmett Dulaney

IT safeguard talents are in excessive call for, and this Sybex research advisor offers the data and talents you want to pursue a promising profession as an IT protection specialist. Sybex, winner of "Best research publications" in 2003 and 2002 Readers' selection Awards and a Cornerstone member of the protection+ examination advisory committee, prepares you to take CompTIA's safety+ certification examination with self belief. up-to-date for the most recent defense applied sciences and filled with genuine global examples/practice questions, this new version covers: entry keep an eye on, authentication, intrusion detection, malicious code, cryptography, actual defense, catastrophe restoration, guidelines and systems, and extra. The accompanying CD contains complicated trying out software with bonus pattern tests, digital flashcards, and a searchable digital model of the full ebook.

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In other words, you’re trying to protect those items that can be seen, touched, and stolen. These threats often present themselves as service technicians, janitors, customers, vendors, or even employees. They can steal your equipment, damage it, or take documents from offices, garbage cans, or filing cabinets. Their motivation may be as simple as retribution for some perceived misgiving, greed, or a desire to steal your trade secrets to sell to a competitor as an act of vengeance. Physical security is relatively easy to accomplish.

The challenge is encrypted and then sent back to the server. The server compares the value from the client and, if the information matches, grants authorization. If the response fails, the session fails, and the request phase starts over. 4 illustrates the CHAP procedure. This handshake method involves a number of steps and is usually automatic between systems. Certificates Certificates are another common form of authentication. A server or certificate authority (CA) can issue a certificate that will be accepted by the challenging system.

Which protocol is used to create a secure environment in a wireless network? A. WAP B. WEP C. WTLS D. WML 5. An Internet server interfaces with TCP/IP at which layer of the DOD model? A. Transport layer B. Network layer C. Process layer D. Internet layer 6. You want to establish a network connection between two LANs using the Internet. Which technology would best accomplish that for you? A. IPSec B. L2TP C. PPP D. SLIP xxxiv 7. Assessment Test Which design concept limits access to systems from outside users while protecting systems in an inside LAN?

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