CISSP: Certified Information Systems Security Professional Study Guide 2nd Edition phần 6 pdf

... sensitive information. Security policies that prevent information flow from higher security levels to lower security levels are called multilevel security policies. As a system is developed, the security ... Multistate systems are capable of implementing a much higher level of security. These systems are certified to handle multiple security levels simultaneously by...

Ngày tải lên: 14/08/2014, 18:20

... 64 -bit key. This is not an inconsistency—there’s a perfectly logical explanation. The DES specification calls for a 64 -bit key. However, of those 64 bits, only 56 actually contain keying information. ... DES modes oper- ate on 64 bits of plaintext at a time to generate 64 -bit blocks of ciphertext. The key used by DES is 56 bits long. As mentioned in the text, DES uses a 56- bit...

Ngày tải lên: 14/08/2014, 18:20

... PM 4 06 Chapter 13  Administrative Management A directive control is a security tool used to guide the security implementation of an organi- zation. Examples of directive controls include security ... Security Models 12. What is the best definition of a security model? A. A security model states policies an organization must follow. B. A security model provides a framework t...

Ngày tải lên: 14/08/2014, 18:20

... of Security Models 361 Common Security Models, Architectures, and Evaluation Criteria 362 Trusted Computing Base (TCB) 363 Security Models 364 Objects and Subjects 366 Closed and Open Systems ... 4335cFM.fm Page xvii Wednesday, June 16, 2004 4:01 PM San Francisco • London CISSP ® : Certified Information Systems Security Professional Study Guide 2nd E...

Ngày tải lên: 14/08/2014, 18:20

... headers, which IPSec relies upon to prevent security violations. 4335.book Page 76 Wednesday, June 9, 2004 7:01 PM Communications and Network Security 67 Conductors The distance limitations of ... connects systems to other systems using numerous paths (see Figure 3.9). A full mesh topology connects each system to all other systems on the network. A partial mesh topology connect...

Ngày tải lên: 14/08/2014, 18:20

... ranges that are not routed on the Internet? A. 169 .172.0.0– 169 .191.255.255 B. 192. 168 .0.0–192. 168 .255.255 C. 10.0.0.0–10.255.255.255 D. 172. 16. 0.0–172.31.255.255 10. Which of the following is ... unique security controls and vulnerabilities. In an effective security solution, there is a synergy between all networked systems that creates a single security front. The use of...

Ngày tải lên: 14/08/2014, 18:20

... sections explore the spec- trum of systems development activities with an eye toward security concerns that should be fore- most on the mind of any information security professional engaged in solutions ... dif- ferences between compartmented security mode, dedicated security mode, multilevel security mode, and system-high security mode. Understand the different types of cl...

Ngày tải lên: 14/08/2014, 18:20

... 4335.book Page 465 Wednesday, June 9, 2004 7:01 PM In the early days of computer security, information security profes- sionals were pretty much left on their own to defend their systems against ... 4th set is used for every 16th backup, starting on Day 8 (i.e., Days 8, 24, 40, etc.). The final set is used for every 16th backup, starting on Day 16 (i.e., Days 16, 32, 48, etc.)....

Ngày tải lên: 14/08/2014, 18:20

... notified so they can respond to the security breach. Most residential security systems are of this type. Most central station systems are well-known or national security companies, such as Brinks ... of the events. Such information is critical for reconstructing the events of an intrusion, breach, or attack. Intrusion Detection Systems Intrusion detection systems are syste...

Ngày tải lên: 14/08/2014, 18:20

... client. Internet Security Association and Key Management Protocol (ISAKMP) A protocol that provides background security support services for IPSec. 4335.book Page 61 6 Wednesday, June 9, 2004 7:01 PM 62 8 Glossary polyinstantiation The ... 62 5 Wednesday, June 9, 2004 7:01 PM 63 6 Glossary security ID A form of physical identification, generally contains a picture of the subject an...

Ngày tải lên: 14/08/2014, 18:20