Test your basic knowledge |

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. Weakness in a system - inherent in a complex system - majority are due to poor coding - gateway by which threats are manifested






2. A system resource that has no legitimate purpose or reason for someone to connect to it - its purpose is to draw in attackers to understand how they break into a system






3. 1. physical 2. data 3. network 4. transport 5. session 6. presentation 7. application






4. Switches networks make it difficult to monitor traffic in promiscuous mode - topology must be able to support traffic aggregation for monitoring






5. free windows based wireless scanner for 802.1b - detects access point settings - supports GSP integration - identifies networks as encrypted or unencrypted






6. Application layer attacks may get through - dialup - VPN - extranet connections may bypass firewalls






7. low interaction production honeypot - network daemon that can simulate other hosts - each host can appear as a different OS






8. Most commonly used transport protocol today - ensures reliable packet delivery - has error handling built in






9. Outside attack from network - Outsider attack from telephone - Insider attack from local network - insider attack from local system - attack from malicious code






10. Network scanner.






11. Identify critical assets and provide layered protection - data is accessed by applications - applications reside on hosts - hosts operate on networks






12. Strips OS commands and characters from input - avoid making system calls from within the app * especially based on user input






13. Considered to be a perimeter device






14. destruction of data - leaking confidential information - providing backdoor access






15. Maintains complete TCP connection state and sequencing through 2 connections - address translation built-in by virtue of second connection above






16. Prepends to the beginning of the file and gains control when the first instruction of the infected COM file is executed - appending to the end - virus writes its payload to the end and inserts jump instruction as the first instruction - which execute






17. A sends a SYN packet to B - B acknowledges with a SYN/ACK - A replies with ACK






18. -Malicious code might execute destructive overwrite to hard disks -Malicious mas mailing code might expose sensitive information to the internet - web server compromise might expose organization to ridicule - Web server compromise might expose custom






19. Hash Authentication - asymmetric - non repudiation - digital signature - hash + asymmetry






20. Network traffic to the host - typically listens on all interface - uses signature analysis to identify events of interest






21. Protocol for mapping an IP address to a physical machine address that is recognized on the local network - A table - usually called the ARP cache - is used to maintain a correlation between each MAC and it's corresponding IP address






22. open source tool for monitoring - can be used as a NIDS - has quick updates and flexibility for custom rules






23. Connects the physical part of the network (cables) with the abstract (packets and datastreams)






24. Uses a 1 to 1 substitution of characters - rotate the alphabet by 'n' number of characters - rot+X means rotate the letters X characters






25. 8 bytes per packet - UDP SRC port - UDP DST Ports - UDP length - UDP Checksum






26. Trying to ID modems in a telephone exchange that may be susceptible to compromise






27. Work groups that require additional protection are segmented from the rest of the internal organization - restricting access to critical segments - system of VPNs - internal firewall - VLANs and ACLs






28. Syn - Syn/Ack - Ack






29. Combines the functionality of a hub and bride into a single device - keeps track of MACs attached to each port






30. Confidentiality - integrity - availability






31. 1 and 2 - Voice/Low speed data - 3 - Voice/Data 10Mb - 4 - Voice/Data 16Mb - 5 - 5e - Voice/Data 100Mb to 1Gb - 6 - Standard for gigabit






32. Small program triggered by an event that provides an action. E.g. scheduled file removal if countdown isn't reset - ie: employee was fired






33. Handles transmissions across the physical media like wires - fiber - etc






34. Netmasks or subnets provide a method for identifying what portion of an address is the network - and what portion is the host






35. Connects many WANs - MANs - and LANs - provided via ISP






36. Full open - half open (stealth scan) - UDP - Ping






37. Not frequently seen on LANs because of expense - because of its traffic predictability and high bandwidth support - it's good for video streaming - encapsulates common protocols - uses virtual path identifiers to create end to end connectivity - has






38. flags anomalous conditions in traffic on the network - requires understanding on what is normal - bases good traffic as a baseline






39. Unencrypted message in its original form






40. logic bomb - trojan horse - trap door






41. Bits of code embedded in programs to quickly gain access at a later time






42. Provides insight into traffic on the network - help detect problems with network operations - provides auditing for other security measures






43. Attempt to manipulate or trick a person into providing information or access - bypass network security by exploiting humans - vector is often outside attack by telephone or visitor inside






44. Handles the network address scheme and connectivity of multiple network segments. It handles communication.






45. Uses inclusive or exclusive lists - inclusive analysis utilizes a list of keywords - exclusive analysis utilizes a list of events that can be ignored






46. An appliance that controls access between public internet and a companies private network - or between a PC NIC and the rest of the PC.






47. local area network - small network confined to small location - all equipment owned by a single entity - vulnerable to inside threats and logic bombs






48. Allows admins to remotely access a system for troubleshooting. - E.g VNC - GoToMyPc - PC Anywhere






49. Malware - insider threat - natural disaster - terrorism - pandemic






50. OSI