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. Poor programming without error checking can allow commands to be run in an input field. This can point to a command further in the buffer that will execute the attacker's payload.






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






3. keeps the same letters - but changes the position within the text - easy to break - can be combined with substitution






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






5. 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






6. Syn - Syn/Ack - Ack






7. Allows segmentation of a switch into different networks - regardless of where a system is plugged in - creates separate networks through software not hardware

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






9. Infects MBR - no network spreading potential






10. fast - with little fidelity - examines header information and limited payload data






11. CIDR is a shorthand way of specifying which portion of the address is the network - and which portion is the host






12. Migrate to WPA2 - use strong authentication like PEAP or TTLS - audit network installations - require mutual auth between client and infrastructure equipment






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






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






15. Publish separate mail - web - and DNS servers to the internet - provide appropriate access from internal network to internet - protect internal from external attack - provide defense in depth - protect all aspects of the system






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






17. Anonymous FTP - FTP passes through clear text - Bounce attacks with the PORT command - user can cause an FTP to open a connection from the FTP's own commands and bypass a firewall






18. Four layers - Network Layer - Internet Layer - Transport Layer - Application layer






19. Attacks systems through known vulnerabilities - automatically scans for more systems to attack - lowers system defenses - installs rootkit or root shell - opens up back doors - self contained malware that can copy itself






20. FIN 130 - ACK 131 - FIN 570 - ACK 571






21. An attacker recruits zombie systems ahead of time to simultaneously release a flood of traffic at a specific target.






22. removable media - email attachments - web browsing - social networking - network vulnerabilities - IM applications - p2p






23. Protects internal/external systems from attack - filters communications based on content - performs NAT - encrypts communications for VPN - logging to aid in intrusion detection






24. It allows the transport layer to detect when the UDP headers or the payload have been modified in transit






25. Confidentiality - symmetric encryption






26. Protected at rest - protected in transit - secure the key






27. 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






28. Most common approach - firewall - VPN - intrusion detection - AV - disk encryption - all parts of the organization receive equal protection - particularly vulnerable to malicious inside attacks






29. rules indicate criteria in packets that represent events of interest - rules are applied to packets as they are received - alerts are created when matches are found






30. Used for connecting two physical segments of a network - segments traffic - breaks up collision domains - not generally used because of switches






31. Threat requires a vector to cross the vulnerability - stop the ability of the threat to use the vector






32. A cracking tool inserted into the OS that allows the attacker to do as they please.






33. Very simplistic. All systems are attached to the same cable segment. Rarely used because they're unreliable - low fault tolerance - poor traffic isolation - with limited scalability






34. A time of check/time of use attack that exploits the difference in between when a security control was applied and the time the service was used.






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






36. Personal area network - phone tethering - bluetooth - etc






37. Stateful firewalls maintain state of traffic flows






38. Parasitic malware - boot record infector - macro - COM/Script program infector - EXE program infector






39. Metropolitan area network - spans across city or town - larger than a LAN - uses fiber for backbone






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






41. An agreement on how different computer will work - protocols define the format and order of messages and what to do upon receipt of the messages - basically the rules of the network






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






43. It handles the establishment and maintenance of connections between systems






44. Provides insight into the tactics - motives - and attacker tools






45. TCP/IP - the IP protoco - The core routing protocol of the internet - - deals with transmission of packets between end points - defines the addressing scheme for the internet






46. Free linux WLAN analysis tool - completely passive - cannot be detected - supports advanced GPS integration and mapping features - used for wardriving - WLAN vulerability assessment






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






48. 53 bytes - 48 bytes for data - 5 bytes for the header






49. Simple attack done by simply browsing available information that's allowed on a local network.






50. Common backdoor to open a port - port scan scans for open ports on remote host - scans 0 - 65 -535 twice. TCP and UDP







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