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The Certified level of certification requires six exams to achieve. The CISSP credential is defined as conforming to the requirements of NCEES, the American Society for Testing and Materials (ASTM), and the International Information Systems Security Certification Consortium (ISC). The test will not earn a CISSP valid certification.
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NEW QUESTION # 348
Which choice below is NOT an element of BCP plan approval and implementation?
Answer: C
Explanation:
Answer "Executing a disaster scenario and documenting the results" is a distracter, although it
could be considered a loose description of disaster recovery plan testing.
The other three choices are primary elements of BCP approval,
implementation, and maintenance.
NEW QUESTION # 349
Brute force attacks against encryption keys have increased in potency because of increased computing power. Which of the following is often considered a good protection against the brute force cryptography attack?
Answer: C
Explanation:
Explanation/Reference:
Explanation:
A session key is a single-use symmetric key that is used to encrypt messages between two users during a communication session.
If Tanya has a symmetric key she uses to always encrypt messages between Lance and herself, then this symmetric key would not be regenerated or changed. They would use the same key every time they communicated using encryption. However, using the same key repeatedly increases the chances of the key being captured and the secure communication being compromised. If, on the other hand, a new symmetric key were generated each time Lance and Tanya wanted to communicate, it would be used only during their one dialogue and then destroyed. If they wanted to communicate an hour later, a new session key would be created and shared.
A session key provides more protection than static symmetric keys because it is valid for only one session between two computers. If an attacker were able to capture the session key, she would have a very small window of time to use it to try to decrypt messages being passed back and forth.
Incorrect Answers:
A: A strong encryption key offers no protection against brute force attacks. If the same key is always used, once an attacker obtains the key, he would be able to decrypt the data.
C: It is not true that nothing can defend you against a brute force crypto key attack. Using a different key every time is a good defense.
D: There are no algorithms that are immune to brute force key attacks. This is why it is a good idea to use a different key every time.
References:
Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, pp. 798-799
NEW QUESTION # 350
Within the Open Systems Interconnection (OSI) Reference Model, authentication addresses the need for a network entity to verify both
Answer: D
Explanation:
OSI model needs to know the source of the data and that it is who it says it is. Path it the data take is not cared about unless source routing is used. The level of security is not cared about inherently by the receiving node (in general) unless configured. A is the best option in this question.
NEW QUESTION # 351
Which of the following answers best describes the type of penetration testing where the analyst has full knowledge of the network on which he is going to perform his test?
Answer: C
Explanation:
Explanation/Reference:
Explanation:
In general there are three ways a pen tester can test a target system.
White-Box: The tester has full access and is testing from inside the system.
Gray-Box: The tester has some knowledge of the system he's testing.
Black-Box: The tester has no knowledge of the system.
Each of these forms of testing has different benefits and can test different aspects of the system from different approaches.
Incorrect Answers:
B: Black-Box Pen Testing: This is where no prior knowledge is given about the target network. Only a domain name or business name may be given to the analyst. This is not what is described in the question.
C: The term "Penetration Testing" does not specify what type of penetration testing is being performed.
D: With Gray-Box testing, the tester has some knowledge of the system he's testing. This is not what is described in the question.
NEW QUESTION # 352
What process is used to accomplish high-speed data transfer between a
peripheral device and computer memory, bypassing the Central Processing
Unit (CPU)?
Answer: C
Explanation:
With DMA, a DMAcontroller essentially takes control of the memory busses and manages the data transfer directly. Answer interrupt processing involves an external signal interrupting the normal CPU program flow. This interrupt causes the CPU to halt processing and jump to another program that services the interrupt. When the interrupt has been serviced, the CPU returns to continue executing the original program. Program control transfer, answer c, is accomplished by the processor executing input/output (I/O) instructions. Answer Direct access control is a distracter.
NEW QUESTION # 353
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