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SY0-401 PDF DEMO:
QUESTION NO: 1
Jo an employee reports to the security manager that several files in a research and development folder that only JOE has access to have been improperly modified. The modified data on the files in recent and the modified by account is Joe's. The permissions on the folder have not been changed, and there is no evidence of malware on the server hosting the folder or on Joe's workstation. Several failed login attempts to Joe's account were discovered in the security log of the
LDAP server. Given this scenario, which of the following should the security manager implement to prevent this in the future?
A. Generic account prohibition
B. Account lockout
C. Password complexity
D. User access reviews
Answer: B
QUESTION NO: 2
A software company sends their offsite backup tapes to a third party storage facility. TO meet confidentiality the tapes should be:
A. Labeled
B. Hashed
C. Encrypted
D. Duplicated
Answer: A
QUESTION NO: 3
An administrator is configuring a new Linux web server where each user account is confined to a cheroot jail. Which of the following describes this type of control?
A. SysV
B. Sandbox
C. Zone
D. Segmentation
Answer: B
QUESTION NO: 4
Which of the following types of application attacks would be used to identify malware causing security breaches that have NOT yet been identified by any trusted sources?
A. Zero-day
B. LDAP injection
C. XML injection
D. Directory traversal
Answer: A
Explanation:
The security breaches have NOT yet been identified. This is zero day vulnerability.
A zero day vulnerability refers to a hole in software that is unknown to the vendor. This security hole is then exploited by hackers before the vendor becomes aware and hurries to fix it-this exploit is called a zero day attack. Uses of zero day attacks can include infiltrating malware, spyware or allowing unwanted access to user information. The term
"zero day" refers to the unknown nature of the hole to those outside of the hackers, specifically, the developers. Once the vulnerability becomes known, a race begins for the developer, who must protect users.
QUESTION NO: 5
Which of the following can hide confidential or malicious data in the whitespace of other files
(e.g. JPEGs)?
A. Hashing
B. Transport encryption
C. Digital signatures
D. Steganography
Answer: D
Explanation:
Steganography is the process of concealing a file, message, image, or video within another file, message, image, or video.
Note: The advantage of steganography over cryptography alone is that the intended secret message does not attract attention to itself as an object of scrutiny. Plainly visible encrypted messages, no matter how unbreakable will arouse interest, and may in themselves be incriminating in countries where encryption is illegal. Thus, whereas cryptography is the practice of protecting the contents of a message alone, steganography is concerned with concealing the fact that a secret message is being sent, as well as concealing the contents of the message.
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Updated: May 27, 2022