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OS Security
Who unleashed famous worm attack in 1988 which effected UNIX systems and caused losses in millions?
Robert Morris
Bob Milano
Mark zuckerberg
Bill Gates
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rikazzz
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OS Security
What are the common security threats?
File Shredding
File sharing and permission
File corrupting
File integrity
Sharing and associated permissions are usual exploits which can compromise the system.
Author:
rikazzz
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OS Security
What will happen during the recovery from a failure?
each pair of physical block is examined
specified pair of physical block is examined
first pair of physical block is examined
none of the mentioned
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rikazzz
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OS Security
What is not a good practice for user administration?
Isolating a system after a compromise
Perform random auditing procedures
Granting privileges on a per host basis
Using telnet and FTP for remote access
Telnet and FTP are not encrypted and can be compromised.
Author:
rikazzz
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OS Security
What is not an important part of security protection?
Large amount of RAM to support antivirus
Strong passwords
Audit log periodically
Scan for unauthorized programs in system directories
RAM has no effect on security of a system. System’s protection remains unchanged in increasing or decreasing amount of RAM.
Author:
rikazzz
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OS Security
RAID level 1 refers to ___________
disk arrays with striping
disk mirroring
both disk arrays with striping and disk mirroring
none of the mentioned
A variety of disk-organization techniques is called “redundant arrays of independent disks (RAID)”.
Author:
rikazzz
Comment
OS Security
What are the major components of the intrusion detection system?
Analysis Engine
Event provider
Alert Database
All of the mentioned
Author:
rikazzz
Comment
OS Security
Which of the following is not a stream cipher?
Two fish
RC5
RC4
TBONE
Author:
rikazzz
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OS Security
What are zombie systems?
Are specific system which are designed to attack by manufacturer
They are network of known hacking group
These systems are previously compromised independent systems
None of the mentioned
Author:
rikazzz
Comment
OS Security
Which private network uses storage protocol rather than networking protocol?
storage area network
local area network
wide area network
none of the mentioned
Author:
rikazzz
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