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OS Security
What are the different ways to classify an IDS?
anomaly detection
signature based misuse
stack based
all of the mentioned
Author:
rikazzz
Comment
OS Security
What is the major drawback of anomaly detection IDS?
These are very slow at detection
It generates many false alarms
It doesn’t detect novel attacks
None of the mentioned
Author:
rikazzz
Comment
OS Security
What is characteristic of RADIUS system?
It is essential for centralized encryption and authentication
It works on Network layer to deny access to unauthorized people
It provides centralized authentication mechanism via network devices
It’s a strong File access system
Author:
rikazzz
Comment
OS Security
The operating system is responsible for?
disk initialization
booting from disk
bad-block recovery
all of the mentioned
Author:
rikazzz
Comment
OS Security
What are the characteristics of signature based IDS?
Most are based on simple pattern matching algorithms
It is programmed to interpret a certain series of packets
It models the normal usage of network as a noise characterization
Anything distinct from the noise is assumed to be intrusion activity
Author:
rikazzz
Comment
OS Security
What is not a best practice for password policy?
Deciding maximum age of password
Restriction on password reuse and history
Password encryption
Having change password every 2 years
Old passwords are more vulnerable to being misplaced or compromised. Passwords should be changed periodically to enhance security.
Author:
rikazzz
Comment
OS Security
What is the best practice in the firewall domain environment?
Create two domain trusted and untrusted domain
Create strong policy in firewall to support different types of users
Create a Demilitarized zone
Create two DMZ zones with one untrusted domain
All live servers or workstations are kept in a separate zone than inside and outside to enhance protection.
Author:
rikazzz
Comment
OS Security
What is are two safe computing practices?
Not to open software from unknown vendors
Open and execute programs in admin level/root
Open and execute programs in presence of antivirus
None of the mentioned
Disgruntled employees have in past infected the master copies of software programs to do economic harm to the company.
Author:
rikazzz
Comment
OS Security
What are characteristics of Network based IDS?
They look for attack signatures in network traffic
Filter decides which traffic will not be discarded or passed
It is programmed to interpret a certain series of packet
It models the normal usage of network as a noise characterization
Author:
rikazzz
Comment
OS Security
When we write something on the disk, which one of the following can not happen?
successful completion
partial failure
total failure
none of the mentioned
Author:
rikazzz
Comment
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