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| Certification Vendor: | ISC2 |
|---|---|
| Exam Name: | Certified Information Systems Security Professional (CISSP) |
| Exam Number: | CISSP |
| Passing Score: | 700 out of 1000 |
| Exam Price: | USD $749 |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 100-150 |
| Exam Format: | Computerized Adaptive Testing (CAT), Multiple Choice, Advanced Innovative Questions |
| Available Languages: | German, Chinese, Japanese, English, Spanish |
| Exam Duration: | 180 minutes |
| Related Certifications: | ISC2 Certified Cloud Security Professional (CCSP) ISC2 Certified in Cybersecurity (CC) ISC2 Systems Security Certified Practitioner (SSCP) |
| Sample Questions: | ISC CISSP Sample Questions |
| Exam Way: | Pearson VUE testing centers with Computerized Adaptive Testing (CAT) |
| Pre Condition: | Minimum 5 years cumulative paid work experience in two or more CISSP domains. A relevant four-year degree or approved credential may substitute for one year of experience. |
| Official Syllabus URL: | https://www.isc2.org/certifications/cissp/cissp-certification-exam-outline |
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(ISC)2 reveals very little concerning the details of its certification exams. However, it is possible to know that the CISSP test includes a mixture of advanced innovative and multiple-choice questions. The exam comes with about 250 questions across all 8 common knowledge domains for the non-English individuals. As for the standard format, you will have 100-150 questions. It is 6 hours long for the non-English speakers and 3 hours long as a standard. The passing score is 700 out of the possible 1000 points.
The exam costs $699 in the USA. The fee may vary from country to country due to tax policies. If you are not residing in the United States and want to take this test, you should check the official website to find out the exact actual cost.
To prepare for the CISSP Exam with great deliberation, the candidates can choose from a variety of study approaches. The learners can sign up for an instructor-led training course, which is the most recommended preparation method. CISSP Accelerated Training Program is a paid training option designed for those IT professionals who already have 5 or more years of work experience in the field of IT security.
NEW QUESTION # 750
Which of the following is MOST appropriate for protecting confidentially of data stored on a hard drive?
Answer: C
Explanation:
The most appropriate method for protecting the confidentiality of data stored on a hard drive is to use the Advanced Encryption Standard (AES). AES is a symmetric encryption algorithm that uses the same key to encrypt and decrypt data. AES can provide strong and efficient encryption for data at rest, as it uses a block cipher that operates on fixed-size blocks of data, and it supports various key sizes, such as 128, 192, or 256 bits. AES can protect the confidentiality of data stored on a hard drive by transforming the data into an unreadable form that can only be accessed by authorized parties who possess the correct key. AES can also provide some degree of integrity and authentication, as it can detect any modification or tampering of the encrypted data. Triple Data Encryption Standard (3DES), Message Digest 5 (MD5), and Secure Hash Algorithm 2 (SHA-2) are not the most appropriate methods for protecting the confidentiality of data stored on a hard drive, although they may be related or useful cryptographic techniques. 3DES is a symmetric encryption algorithm that uses three iterations of the Data Encryption Standard (DES) algorithm with two or three different keys to encrypt and decrypt data. 3DES can provide encryption for data at rest, but it is not as strong or efficient as AES, as it uses a smaller key size (56 bits per iteration), and it is slower and more complex than AES. MD5 is a hash function that produces a fixed-length output (128 bits) from a variable-length input. MD5 does not provide encryption for data at rest, as it does not use any key to transform the data, and it cannot be reversed to recover the original data. MD5 can provide some integrity for data at rest, as it can verify if the data has been changed or corrupted, but it is not secure or reliable, as it is vulnerable to collisions and pre-image attacks. SHA-2 is a hash function that produces a fixed-length output (224, 256,
384, or 512 bits) from a variable-length input. SHA-2 does not provide encryption for data at rest, as it does not use any key to transform the data, and it cannot be reversed to recover the original data. SHA-2 can provide integrity for data at rest, as it can verify if the data has been changed or corrupted, and it is more secure and reliable than MD5, as it is resistant to collisions and pre-image attacks.
NEW QUESTION # 751
What are the components of an object's sensitivity label?
Answer: D
Explanation:
Explanation/Reference:
Explanation:
An object's sensitivity label contains one classification and multiple categories which represent compartments of information within a system.
When the MAC model is being used, every subject and object must have a sensitivity label, also called a security label. It contains a classification and different categories. The classification indicates the sensitivity level, and the categories enforce need-to-know rules.
The classifications follow a hierarchical structure, with one level being more trusted than another.
However, the categories do not follow a hierarchical scheme, because they represent compartments of information within a system. The categories can correspond to departments (UN, Information Warfare, Treasury), projects (CRM, AirportSecurity, 2011Budget), or management levels. In a military environment, the classifications could be top secret, secret, confidential, and unclassified. Each classification is more trusted than the one below it. A commercial organization might use confidential, proprietary, corporate, and sensitive. The definition of the classification is up to the organization and should make sense for the environment in which it is used.
Incorrect Answers:
A: An object's sensitivity label contains a single classification, not a classification set and multiple categories (compartments), not a single compartment.
B: An object's sensitivity label contains multiple categories (compartments), not a single compartment.
C: An object's sensitivity label contains a single classification, not a classification set. Furthermore, an object's sensitivity label does not contain user credentials.
References:
Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 223
NEW QUESTION # 752
Individual access to a network is BEST determined based on
Answer: D
NEW QUESTION # 753
Which of the following is a reasonable response from the Intrusion Detection System (IDS) when it detects Internet Protocol (IP) packets where the IP source address and port is the same as the destination IP address and port?
Answer: B
Explanation:
This question refers specificly to the LAND Attack. This question is testing your
ability to recognize common attacks such as the Land Attack and also your understanding of what
would be an acceptable action taken by your Intrusion Detection System.
You must remember what is a LAND ATTACK for the purpose of the exam.
You must also remember that an IDS is not only a passive device. In the context of the exam it is
considered an active device that is MOSTLY passive. It can take some blocking actions such as changing a rule on a router or firewall for example. In the case of the Land Attack and this specific question. It must be understand that most Operating System TCP/IP stack today would not be vulnerable to such attack. Many of the common firewall could also drop any traffic with same Source IP/Port as the Destination IP/Port as well. So there is multiple layers where such an attack could be stopped. The downfall of IDS compared with IPS is the fact they are usually reacting after the packets have been sent over the network. A single packet attack should as the Land Attack could be detected but would still complete and affect the destination target. This is where IPS could come into play and stop the attack before it completes.
Techtarget on their SearchSecurity website has the following definition for this type of attack: A land attack is a remote denial-of-service (DOS) attack caused by sending a packet to a machine with the source host/port the same as the destination host/port. This is a rather old attack and current patches should stop them for most systems. This is one of the attacks you are expected to know within the CBK. This question mention specifically what would the reaction of the IDS be? The choices presented and the question itself DOES NOT talk about IPS, WIDS, or other monitoring tools. It only mentions IDS. Restrict yourself to the context of the question.
MISCONCEPTIONS Many people have the misconception that an IDS can only record events and has no ability to take active response. This is NOT true. An IDS could reset a connection when an attack is detected. An IDS could change a rule on the firewall to block the attacker. An IDS could change a rule on a router to block offending traffic. IDS do have the ability to take active response and this is not reserved only for IPS. The second misconception is that within the ISC2 CBK an IDS is always a passive only system and does not take any blocking actions, this is not true. The IDS is a lot more limited than IPS as we are mentioning below but they do have the ability to block some of the attacks or traffic.
Here is a quote from the latest ISC2 on this subject: Intrusion detection and prevention systems are used to identify and respond to suspected security-related events in real-time or near-real-time. Intrusion Detection Systems (IDS) will use available information to determine if an attack is underway, send alerts, and provide limited response capabilities. Intrusion Prevention Systems (IPS) will use available information to determine if an attack is underway, send alerts but also block the attack from reaching its intended target.
SANS GIAC HAS A GREAT PAPER ON THIS TOPIC What does Limited response mean? It usually means active response in the context of IDS. There is a nice paper in the SANS library on this topic, you can find it at http://www.sans.org/security
resources/idfaq/active.php
See a small extract below:
Active Response is a mechanism in intrusion detection systems (IDS) that provides the IDS with
capability to respond to an attack when it has been detected. There are two methods that the IDS
can take to circumvent an attack. The first method of circumventing attacks would be Session
disruption, and the second is Filter rule manipulation. The specific feature varies with each IDS
product and each countermeasure method possesses its own strengths and weaknesses. (See
paper above for more details of these techniques)
See reference below for more info if your into this type of stuff, else just keep it simple as
described below.
Do not get too deep into this topic
The discussion about what is an IDS and what is an IPS has been ongoing for the past decade at
least. Just do a quick Google search of "IDS versus IPS" and you will see what I mean. Old timers
like me will remember doing blocking with their IDS when such tool just came out. At that time the
term IPS did not even exist.
For the purpose of the exam, keep it simple. If the Instrusion Detection system is inline doing
blocking of attacks it is an IPS. If the Instrusion Detection System only monitors traffic and activity
without blocking it is an IDS.
An IPS could be configure to act like an IDS where it will not block anything if the administrator of
the device did not configure any blocking rules on the IPS. However, the opposite is not true, you
cannot configure an IDS to act as an IPS, it does not have the smarts that an IPS would have.
IPS are usually deployed inline and IDS are not deployed inline.
The following answers are incorrect:
Allow the packet to be processed by the network and record the event
A spoofed packet is almost sure to be malicious and should be dropped. Note that some students
may argue that an IDS itself does not drop the packets but it could terminate the connection by
sending Reset (RST) packets to the sender pretending to the be target. The IDS could also
change an ACL or Rule on the router or firewall to block the connections from the source IP.
Resolve the destination address and process the packet
The 'correct' destination address could not be determined by the IDS
Translate the source address and resend the packet
The 'correct' source address could not be reliably determined by the IDS
The following reference(s) were/was used to create this question:
Official (ISC)2 Guide to the CISSP CBK , Second Edition, Network Intrusion Detection, Page 129
and Corporate; (Isc)2 (2010-04-20). Official (ISC)2 Guide to the CISSP CBK , Second Edition ((ISC)2 Press) (Kindle Locations 12545-12548). Taylor & Francis. Kindle Edition. and Schneiter, Andrew (2013-04-15). Official (ISC)2 Guide to the CISSP CBK, Third Edition : Security Operations (Kindle Locations 704-707). . Kindle Edition. and http://searchsecurity.techtarget.com/answer/What-is-a-land-attack and http://www.symantec.com/connect/articles/understanding-ids-active-response-mechanisms and http://www.sans.org/security-resources/idfaq/active.php
NEW QUESTION # 754
Which of the following ASYMMETRIC encryption algorithms is based on the difficulty of
FACTORING LARGE NUMBERS?
Answer: D
Explanation:
Named after its inventors Ron Rivest , Adi Shamir and Leonard Adleman is based on the difficulty of factoring large prime numbers.
Factoring a number means representing it as the product of prime numbers. Prime numbers, such as 2, 3, 5, 7, 11, and 13, are those numbers that are not evenly divisible by any smaller number, except 1. A non-prime, or composite number, can be written as the product of smaller primes, known as its prime factors. 665, for example is the product of the primes 5, 7, and 19. A number is said to be factored when all of its prime factors are identified. As the size of the number increases, the difficulty of factoring increases rapidly.
The other answers are incorrect because:
El Gamal is based on the discrete logarithms in a finite field.
Elliptic Curve Cryptosystems (ECCs) computes discrete logarithms of elliptic curves.
International Data Encryption Algorithm (IDEA) is a block cipher and operates on 64 bit blocks of data and is a SYMMETRIC algorithm.
Reference : Shon Harris , AIO v3 , Chapter-8 : Cryptography , Page : 638
NEW QUESTION # 755
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