CAS-001 : CompTIA Advanced Security Practitioner

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CompTIA Advanced Security Practitioner 認定 CAS-001 試験問題:

1. The Chief Information Security Officer (CISO) at a software development company is concerned about the lack of introspection during a testing cycle of the company's flagship product. Testing was conducted by a small offshore consulting firm and the report by the consulting firm clearly indicates that limited test cases were used and many of the code paths remained untested.
The CISO raised concerns about the testing results at the monthly risk committee meeting, highlighting the need to get to the bottom of the product behaving unexpectedly in only some large enterprise deployments.
The Security Assurance and Development teams highlighted their availability to redo the testing if required.
Which of the following will provide the MOST thorough testing?

A) Use the internal team to perform Black box testing.
B) Use the internal teams to perform White box testing.
C) Have the small consulting firm redo the Black box testing.
D) Use the internal teams to perform Grey box testing.
E) Use a larger consulting firm to perform Black box testing.

2. An administrator is trying to categorize the security impact of a database server in the case of a security event. There are three databases on the server.
Current Financial Data = High level of damage if data is disclosed. Moderate damage if the system goes offline
Archived Financial Data = No need for the database to be online. Low damage for integrity loss
Public Website Data = Low damage if the site goes down. Moderate damage if the data is corrupted
Given these security categorizations of each database, which of the following is the aggregate security categorization of the database server?

A) Database server = {(Confidentiality Moderate),(Integrity Moderate),(Availability Moderate)}
B) Database server = {(Confidentiality HIGH),(Integrity Moderate),(Availability Low)}
C) Database server = {(Confidentiality HIGH),(Integrity High),(Availability High)}
D) Database server = {(Confidentiality HIGH),(Integrity Moderate),(Availability Moderate)}

3. The Chief Information Officer (CIO) is reviewing the IT centric BIA and RA documentation. The documentation shows that a single 24 hours downtime in a critical business function will cost the business $2.3 million. Additionally, the business unit which depends on the critical business function has determined that there is a high probability that a threat will materializebased on historical data. The CIO's budget does not allow for full system hardware replacement in case of a catastrophic failure, nor does it allow for the purchase of additional compensating controls. Which of the following should the CIO recommend to the finance director to minimize financial loss?

A) The company should accept the risk.
B) The company should mitigate the risk.
C) The company should avoid the risk.
D) The company should transfer the risk.

4. A company provides on-demand virtual computing for a sensitive project. The company implements a fully virtualized datacenter and terminal server access with two-factor authentication for access to sensitive data. The security administrator at the company has uncovered a breach in data confidentiality. Sensitive data was found on a hidden directory within the hypervisor. Which of the following has MOST likely occurred?

A) A stolen two factor token and a memory mapping RAM exploit were used to move data from one virtual guest to an unauthorized similar token.
B) A host server was left un-patched and an attacker was able to use a VMEscape attack to gain unauthorized access.
C) An employee with administrative access to the virtual guests was able to dump the guest memory onto their mapped disk.
D) A virtual guest was left un-patched and an attacker was able to use a privilege escalation attack to gain unauthorized access.

5. After a security incident, an administrator revokes the SSL certificate for their web server www.company.com. Later, users begin to inform the help desk that a few other servers are generating certificate errors: ftp.company.com, mail.company.com, and partners.company.com. Which of the following is MOST likely the reason for this?

A) The web server was the CA for the domain.
B) The servers used a wildcard certificate.
C) Revoking a certificate can only be done at the domain level.
D) Each of the servers used the same EV certificate.

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