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CISSP Operational Security

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Administrative security control that prescribes that multiple people are required to complete critical or sensitive transactions. The goal is to ensure that in order for someone to be able to abuse their access to sensitive information or transaction






2. A hot standy - configuration in which the backup systems only begin processing when a failure state is detected






3. Striped set with dedicated parity at the byte level - data at the byte level is striped across multiple disks - but an additional disk is leveraged for storage of parity information - which is used for recovery in the event of a failure. allows for d






4. Striped sets in a mirrored set (minimum four disks; even number of disks) provides fault tolerance and improved performance but increases complexity. The key difference from RAID 1+0 is that RAID 0+1 creates a second striped set to mirror a primary s






5. Define a minimum reporting threshold level and help differentiate an attack from noise - but can also cause false negatives






6. DOS - malformed packet - the land attack uses spoofed SYN packet that includes the victim's IP address and TCP port as both source and destination. This attack targets the TCPIP stack






7. Administrative control where in order to mitigate risk and uncover potential fraud - employee's job or job functions are shifted and changed






8. DOS - resource exhaustion - a variation of the smurf attack - the main difference being that fraggle leverages UDP for the request portion - and stimulates an ICMP port unreachable message being sent to he victim rather than an ICMP echo response






9. Incident response stage in which events are analyzed in order to determine whether these events might comprise a security incident. is the event occurring or has it occurred






10. DOS - malformed packet - the teardrop attack is a malformed packet attack that targets issues with systems fragmentation reassembly. The attack involves sending packets with overlapping fragment offsets - which can cause a system attempting to reasse






11. Considered the most secure means of data sanititzation - commonly uses incineration or pulverization






12. Back up any files that had changed since the last full backup






13. Data that persists beyond noninvasive means to delete it. sometimes used to refer to residual data that remains after sanitization takes place






14. A replica of all allocated data on a disk






15. Striped set with dedicated parity at the block level - employs a dedicated parity drive rather than having parity data distributed amongst all disks. allows for data recovery in the event that one disk fails






16. Most often associated with providing an attacker with persistent backdoor access. Trojans provide desirable functionality that the user is seeking but also come with malicious functionality that the user does not anticipate






17. Malicious code that hooks onto executable code - and requires user interaction to spread. In addition to spreading - the actual payload of the virus - that is - what it is intended to do - could be anything






18. Introducing a magnetic field to magnetic storage media. a degausser destroys the integrity of the magnetization of the storage media - making the data unrecoverable






19. Spreading data across multiple hard disks. increases performance and does create data redundancy






20. DOS - Malformed packet - denial of service involved in sending a malformed ICMP echo request (ping) that was larger than the maximum size of an IP packet. Patching TCPIP stacks of systems removed the vulnerability of this DOS attack






21. Writing the same data on multiple hard disks






22. An online technique that involves attempting to authenticate a particular user to a system






23. Confidentiality attack on network traffic - involves monitoring packets as they traverse a network.






24. Backup of any files that have changed since the last backup






25. Process: identify a change - propose a change - assess the risk associated with the change - test - schedule the change - notify impacted parties - implement - report the results to management - all changes must be tracked and auditable - a detailed






26. Failover cluster - employs multiple systems that are already installed - configured - and plugged in - such that if a failover causes one of the systems to fail - then the other can be seamlessly leveraged to maintain the availability of the service






27. Striped set - offers no data redundancy and is a poor choice if recovery of data is the reason for leveraging RAID






28. Trying all possible password combinations until a correct match between the hashes is found. may make use of rainbow tables which contain precomputed password-hash combinations






29. Distributed denial of service - many to one availability attack






30. A means to achieve data redundancy without incurring the same degree of cost as that of mirroring in terms of disk usage and write performance






31. Deleting the file allocation on a storage device. important in security because it does not delete the data - it merely deletes the points that are used to find the data






32. Administrative control that makes sure employees have the proper rights and privileges to perform their work. escalation of priviliges can occur as employees are promoted or change jobs - yet their access rights and priveleges to systems and informat






33. The medium that allows the threat agent to exploit a vulnerability






34. Mirrored sets in a striped set (minimum four disks; even number of disks) provides fault tolerance and improved performance but increases complexity.






35. Detection - containment - eradication - recovery - reporting






36. Multi-raid - means that one standard RAID level is encapsulated within another.






37. Used to prevent an attack from being able to simply guess the correct password by attempting a large number of possibilities






38. OS - like the smurf attack - leverages a third party - the attacker who has poorly configured third party DNS servers queries an attacker controlled DNS server and cahce the response (the maximum size DNS response). Once the large record is cached by






39. Administrative control where employees are required to take a vacation. helps determine personnel single points of failure - detection and deterence of fraud - and the risk that comes with employees being unavailable for work. can also detect suspici






40. An offline technique in which the attacker has gained access to the password hashes or database






41. DOS - resource exhaustion - involves ICMP flooding. The attacker sends ICMP echo request messages with spoofed source addresses of the victim to the directed broadcast address of a network known to be smurf amplifier. As with most resource exhaustive






42. Mirrored striped set with distributed parity (some manufacturers label this as RAID 53)






43. Striped set with dual distributed parity - allows for recovery if two disks fail






44. Two parties conspire to undermine the security of the transaction






45. Denial of service - one to one availability attack






46. Places the attacker between the victim and another system. the attackers goal is to be able to serve as an undiscovered proxy for either or both of two endpoints engaging in communication. Uses sniffing and spoofing. The capabilities of session hijac






47. Mirrored set - creates an exact duplicate of all data to an additional disk. allows for data recovery in the event that n-1 disk fails






48. Masquerading as another endpoint. presenting false information - usually within packets - to trick other systems and hide the origin of the message. done to prevent an identity from becoming uncovered






49. An administrative security control that dictates a person should have no more access that the access that is strictly required to perform their job






50. Dictionary attacks - directs the password cracking tool to use a supplied list of words as potential passwords.