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[Hardware] Reliable CISSP Test Topics | Simulations CISSP Pdf

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【Hardware】 Reliable CISSP Test Topics | Simulations CISSP Pdf

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Information related to the ISC CISSP Certification
  • CISSP More than 4 million case studies were published in leading journals.
  • CISSP More than 1 million research papers referenced in security literature.
  • CISSP More than 8 million person-years of cyber security work experience.
  • ISC Certification has been on the rise since 2010, with over 8,000 individuals certified globally each year on average.
ISC CISSP Growth Plans ISC is actively expanding its certification program to reach more international professionals across the globe. The CISSP Dumps can assist you during the period of preparation for the exam CISSP. The first step toward this goal was to create an exam that is available in English, French, Spanish, Portuguese, and Chinese. ISC has also partnered with other leading certification bodies around the globe to offer the exam locally. By partnering with local testing authorities, ISC can provide exams in multiple languages for international candidates. Enrolling test centers offer ISC the opportunity to build a successful program around the globe.
The NCC Group, one of the world's leading independent information security consulting firms, is ISC official testing center liaison. It provides candidates in the United Kingdom with exam registration and exam delivery options. ISC has an agreement with Accredia, a leader in IT certification delivery, to handle test scheduling and operational tasks for candidates who wish to take the CISSP Exam in South Africa.
Quiz ISC - Pass-Sure Reliable CISSP Test TopicsIt will make you practice nicely and productively as you will experience better handling of the ISC CISSP questions when you take the actual ISC CISSP exam to grab the ISC CISSP certification. Work hard and practice with our ISC CISSP Dumps till you are confident to pass the ISC CISSP exam. And that too with flying colors and achieving the ISC CISSP certification on the first attempt.
ISC Certified Information Systems Security Professional (CISSP) Sample Questions (Q428-Q433):NEW QUESTION # 428
Which of the following cryptographic attacks describes when the attacker has a copy of the plaintext and the corresponding ciphertext?
  • A. brute force
  • B. chosen plaintext
  • C. ciphertext only
  • D. known plaintext
Answer: D
Explanation:
The goal to this type of attack is to find the cryptographic key that was used to encrypt the message. Once the key has been found, the attacker would then be able to decrypt all messages that had been encrypted using that key.
The known-plaintext attack (KPA) or crib is an attack model for cryptanalysis where the attacker has samples of both the plaintext and its encrypted version (ciphertext), and is at liberty to make use of them to reveal further secret information such as secret keys and code books. The term "crib" originated at Bletchley Park, the British World War II decryption operation
In cryptography, a brute force attack or exhaustive key search is a strategy that can in theory be used against any encrypted data by an attacker who is unable to take advantage of any weakness in an encryption system that would otherwise make his task easier. It involves systematically checking all possible keys until the correct key is found. In the worst case, this would involve traversing the entire key space, also called search space.
In cryptography, a ciphertext-only attack (COA) or known ciphertext attack is an attack model for cryptanalysis where the attacker is assumed to have access only to a set of ciphertexts.
The attack is completely successful if the corresponding plaintexts can be deduced, or even better, the key. The ability to obtain any information at all about the underlying plaintext is still considered a success. For example, if an adversary is sending ciphertext continuously to maintain traffic-flow security, it would be very useful to be able to distinguish real messages from nulls. Even making an informed guess of the existence of real messages would facilitate traffic analysis.
In the history of cryptography, early ciphers, implemented using pen-and-paper, were routinely broken using ciphertexts alone. Cryptographers developed statistical techniques for attacking ciphertext, such as frequency analysis. Mechanical encryption devices such as Enigma made these attacks much more difficult (although, historically, Polish cryptographers were able to mount a successful ciphertext-only cryptanalysis of the
Enigma by exploiting an insecure protocol for indicating the message settings).
Every modern cipher attempts to provide protection against ciphertext-only attacks. The vetting process for a new cipher design standard usually takes many years and includes exhaustive testing of large quantities of ciphertext for any statistical departure from random noise. See: Advanced Encryption Standard process. Also, the field of steganography evolved, in part, to develop methods like mimic functions that allow one piece of data to adopt the statistical profile of another. Nonetheless poor cipher usage or reliance on home- grown proprietary algorithms that have not been subject to thorough scrutiny has resulted in many computer-age encryption systems that are still subject to ciphertext-only attack.
Examples include:
Early versions of Microsoft's PPTP virtual private network software used the same RC4 key for the sender and the receiver (later versions had other problems). In any case where a stream cipher like RC4 is used twice with the same key it is open to ciphertext-only attack.
See: stream cipher attack
Wired Equivalent Privacy (WEP), the first security protocol for Wi-Fi, proved vulnerable to several attacks, most of them ciphertext-only.
A chosen-plaintext attack (CPA) is an attack model for cryptanalysis which presumes that the attacker has the capability to choose arbitrary plaintexts to be encrypted and obtain the corresponding ciphertexts. The goal of the attack is to gain some further information which reduces the security of the encryption scheme. In the worst case, a chosen-plaintext attack could reveal the scheme's secret key.
This appears, at first glance, to be an unrealistic model; it would certainly be unlikely that an attacker could persuade a human cryptographer to encrypt large amounts of plaintexts of the attacker's choosing. Modern cryptography, on the other hand, is implemented in software or hardware and is used for a diverse range of applications; for many cases, a chosen-plaintext attack is often very feasible. Chosen-plaintext attacks become extremely important in the context of public key cryptography, where the encryption key is public and attackers can encrypt any plaintext they choose.
Any cipher that can prevent chosen-plaintext attacks is then also guaranteed to be secure against known-plaintext and ciphertext-only attacks; this is a conservative approach to security.
Two forms of chosen-plaintext attack can be distinguished:
Batch chosen-plaintext attack, where the cryptanalyst chooses all plaintexts before any of them are encrypted. This is often the meaning of an unqualified use of "chosen-plaintext attack".
Adaptive chosen-plaintext attack, where the cryptanalyst makes a series of interactive queries, choosing subsequent plaintexts based on the information from the previous encryptions.
References:
Source: TIPTON, Harold, Official (ISC)2 Guide to the CISSP CBK (2007), page 271.
and
Wikipedia at the following links:
http://en.wikipedia.org/wiki/Chosen-plaintext_attack
http://en.wikipedia.org/wiki/Known-plaintext_attack
http://en.wikipedia.org/wiki/Ciphertext-only_attac
http://en.wikipedia.org/wiki/Brute_force_attack

NEW QUESTION # 429
The fact that a network-based IDS reviews packets payload and headers enable which of the following?
  • A. Detection of all password guessing attacks
  • B. Detection of denial of service
  • C. Detection of all viruses
  • D. Detection of data corruption
Answer: B
Explanation:
Because a network-based IDS reviews packets and headers, denial of service attacks can also be detected.
This question is an easy question if you go through the process of elimination. When you see an answer containing the keyword: ALL It is something a give away that it is not the proper answer. On the real exam you may encounter a few question where the use of the work ALL renders the choice invalid. Pay close attention to such keyword.
The following are incorrect answers:
Even though most IDSs can detect some viruses and some password guessing attacks, they cannot detect ALL viruses or ALL password guessing attacks. Therefore these two answers are only detractors.
Unless the IDS knows the valid values for a certain dataset, it can NOT detect data corruption.
Reference used for this question:
KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the Ten
Domains of Computer Security, 2001, John Wiley & Sons, Page 48

NEW QUESTION # 430
Security categorization of a new system takes place during which phase of the Systems Development Life Cycle (SDLC)?
  • A. System acquisition and development
  • B. System initiation
  • C. System operations and maintenance
  • D. System implementation
Answer: A

NEW QUESTION # 431
At a MINIMUM, a formal review of any Disaster Recovery Plan (DRP) should be conducted
  • A. annually.
  • B. bi-annually.
  • C. monthly.
  • D. quarterly.
Answer: A

NEW QUESTION # 432
A large corporation is locking for a solution to automate access based on where on request is coming from, who the user is, what device they are connecting with, and what time of day they are attempting this access.
What type of solution would suit their needs?
  • A. Network Access Control (NAC)
  • B. Discretionary Access Control (DAC)
  • C. Role Based Access Control (RBAC)
  • D. Mandater Access Control (MAC)
Answer: A
Explanation:
The type of solution that would suit the needs of a large corporation that wants to automate access based on where the request is coming from, who the user is, what device they are connecting with, and what time of day they are attempting this access is Network Access Control (NAC). NAC is a solution that enables the enforcement of security policies and rules on the network level, by controlling the access of devices and users to the network resources. NAC can automate access based on various factors, such as the location, identity, role, device type, device health, or time of the request. NAC can also perform functions such as authentication, authorization, auditing, remediation, or quarantine of the devices and users that attempt to access the network.
Discretionary Access Control (DAC), Role Based Access Control (RBAC), and Mandatory Access Control (MAC) are not types of solutions, but types of access control models that define how the access rights or permissions are granted or denied to the subjects or objects. References: CISSP All-in-One Exam Guide, Eighth Edition, Chapter 6: Communication and Network Security, page 737; Official (ISC)2 Guide to the CISSP CBK, Fifth Edition, Chapter 4: Communication and Network Security, page 517.

NEW QUESTION # 433
......
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