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| Certification Vendor: | ISC2 |
|---|---|
| Exam Name: | Certified Information Systems Security Professional (CISSP) |
| Exam Number: | CISSP |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 180 minutes |
| Passing Score: | 700 out of 1000 |
| Related Certifications: | ISC2 Certified Cloud Security Professional (CCSP) ISC2 Systems Security Certified Practitioner (SSCP) ISC2 Certified in Cybersecurity (CC) |
| Available Languages: | Spanish, English, Chinese, German, Japanese |
| Real Exam Qty: | 100-150 |
| Exam Format: | Advanced Innovative Questions, Computerized Adaptive Testing (CAT), Multiple Choice |
| Exam Price: | USD $749 |
| 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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獲取CISSP認證的好處是眾多的。經認證的專業人員對最新的安全威脅和漏洞有深入的了解，並具備保護其組織免受網絡攻擊的知識和技能。CISSP認證也是推進職業生涯和增加收入潛力的優秀方式。許多雇主要求或更喜歡具有CISSP認證的候選人，並且經認證的專業人員通常比未經認證的同行賺取更高的薪資。
問題 #753
Which of the following is the PRIMARY purpose of installing a mantrap within a facility?
答案：A
解題說明：
piggybacking, similar to tailgating, refers to when a person tags along with another person who is authorized to gain entry into a restricted area, or pass a certain checkpoint.
問題 #754
What process facilitates the balance of operational and economic costs of protective measures with gains in mission capability?
答案：A
問題 #755
Which of the following statements pertaining to the Bell-LaPadula is TRUE if you are NOT making use of the strong star property?
答案：D
解題說明：
Bell-LaPadula Confidentiality Model10 The Bell-LaPadula model is perhaps the most well-known and significant security model, in addition to being one of the oldest models used in the creation of modern secure computing systems. Like the Trusted Computer System Evaluation Criteria (or TCSEC), it was inspired by early U.S. Department of Defense security policies and the need to prove that confidentiality could be maintained. In other words, its primary goal is to prevent disclosure as the model system moves from one state (one point in time) to another. When the strong star property is not being used it means that both the * property and the Simple Security Property rules would be applied. The Star (*) property rule of the Bell-LaPadula model says that subjects cannot write down, this
would compromise the confidentiality of the information if someone at the secret layer would write
the object down to a confidential container for example.
The Simple Security Property rule states that the subject cannot read up which means that a
subject at the secret layer would not be able to access objects at Top Secret for example.
You must remember: The model tells you about are NOT allowed to do. Anything else would be
allowed. For example within the Bell LaPadula model you would be allowed to write up as it does
not compromise the security of the information. In fact it would upgrade it to the point that you
could lock yourself out of your own information if you have only a secret security clearance.
The following are incorrect answers because they are all FALSE:
"It allows read up" is incorrect. The "simple security" property forbids read up.
"It addresses covert channels" is incorrect. Covert channels are not addressed by the Bell-
LaPadula model.
"It addresses management of access controls" is incorrect. Management of access controls are
beyond the scope of the Bell-LaPadula model.
Reference(s) used for this question:
Hernandez CISSP, Steven (2012-12-21). Official (ISC)2 Guide to the CISSP CBK, Third Edition
((ISC)2 Press) (Kindle Locations 17595-17600). Auerbach Publications. Kindle Edition.
問題 #756
One of the following assertions is NOT a characteristic of Internet Protocol Security (IPsec)
答案：C
解題說明：
IPSec provide replay protection that ensures data is not delivered multiple times, however IPsec does not ensure that data is delivered in the exact order in which it is sent. IPSEC uses TCP and packets may be delivered out of order to the receiving side depending which route was taken by the packet. Internet Protocol Security (IPsec) has emerged as the most commonly used network layer security control for protecting communications. IPsec is a framework of open standards for ensuring private
communications over IP networks. Depending on how IPsec is implemented and configured, it can
provide any combination of the following types of protection:
Confidentiality. IPsec can ensure that data cannot be read by unauthorized parties. This is
accomplished by encrypting data using a cryptographic algorithm and a secret key a value known
only to the two parties exchanging data. The data can only be decrypted by someone who has the
secret key.
Integrity. IPsec can determine if data has been changed (intentionally or unintentionally) during
transit. The integrity of data can be assured by generating a message authentication code (MAC)
value, which is a cryptographic checksum of the data. If the data is altered and the MAC is
recalculated, the old and new MACs will differ.
Peer Authentication. Each IPsec endpoint confirms the identity of the other IPsec endpoint with
which it wishes to communicate, ensuring that the network traffic and data is being sent from the
expected host.
Replay Protection. The same data is not delivered multiple times, and data is not delivered grossly
out of order. However, IPsec does not ensure that data is delivered in the exact order in which it is
sent.
Traffic Analysis Protection. A person monitoring network traffic does not know which parties are
communicating, how often communications are occurring, or how much data is being exchanged.
However, the number of packets being exchanged can be counted.
Access Control. IPsec endpoints can perform filtering to ensure that only authorized IPsec users
can access particular network resources. IPsec endpoints can also allow or block certain types of
network traffic, such as allowing Web server access but denying file sharing.
The following are incorrect answers because they are all features provided by IPSEC:
"Data cannot be read by unauthorized parties" is wrong because IPsec provides confidentiality
through the usage of the Encapsulating Security Protocol (ESP), once encrypted the data cannot
be read by unauthorized parties because they have access only to the ciphertext. This is
accomplished by encrypting data using a cryptographic algorithm and a session key, a value
known only to the two parties exchanging data. The data can only be decrypted by someone who
has a copy of the session key.
"The identity of all IPsec endpoints are confirmed by other endpoints" is wrong because IPsec
provides peer authentication: Each IPsec endpoint confirms the identity of the other IPsec
endpoint with which it wishes to communicate, ensuring that the network traffic and data is being
sent from the expected host.
"The number of packets being exchanged can be counted" is wrong because although IPsec
provides traffic protection where a person monitoring network traffic does not know which parties
are communicating, how often communications are occurring, or how much data is being
exchanged, the number of packets being exchanged still can be counted.
Reference(s) used for this question:
NIST 800-77 Guide to IPsec VPNs . Pages 2-3 to 2-4
問題 #757
Which of the following is the final phase of the identity and access provisioning lifecycle?
答案：A
解題說明：
Revocation is the final phase of the identity and access provisioning lifecycle. The identity and access provisioning lifecycle is the set of activities and stages that govern the creation, modification, and deletion of user accounts and access privileges in an organization. The identity and access provisioning lifecycle consists of six phases: request, approval, provision, test, review, and audit. Revocation is the process of terminating or disabling the user accounts and access privileges when they are no longer needed, used, or authorized, such as when a user leaves the organization, changes roles, or violates the policies. Revocation can be done manually or automatically, depending on the triggers and the mechanisms used. Revocation ensures that the user accounts and access privileges are removed in a timely and secure manner, and that the principle of least privilege and the separation of duties are maintained. References: CISSP All-in-One Exam Guide, Eighth Edition, Chapter 5: Identity and Access Management, page 206.
問題 #758
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