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. Considered to be a perimeter device






2. Not a replacement for firewalls - hardening - strong policies - or other DiD methods - low maintenance - inexpensive






3. War dialing - war driving - Sniffing - eavesdropping - dumpster diving - social engineering






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






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






6. An attacker spoofs the victim's IP and sends an ICMP ECHO request to the broadcast address of a network. When every system responds - a DoS occurs.






7. Going around with equipment to detect wireless networks






8. Stateful firewalls maintain state of traffic flows






9. It makes sure the data sent from one side to the other is in a format useful to the other side






10. Connection oriented - before systems can communicate over an ATM network - they must establish a virtual circuit between each other - this can span across multiple ATM switches that also handle communications for other systems - at the end of the con






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






12. NTP - BootP/DHCP - NFS file systems - SNMP - TFTP






13. Trivial File Transfer Protocol - method to transfer files from one device to another without needing authentication






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






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






16. Intellectual property - business goals - validated data - historical






17. Known - unknown - zero day






18. risk = threat x vulnerability - impossible to eliminate - security is an exercise in loss reduction






19. 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






20. size is whatever the length of the UDP portion of the packet. Could be as large as 65 -535






21. 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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22. Multiple levels of protection must be deployed - an exercie in detection - measures must be across a wide range of controls - compromises happen when people leave sites - risk - CIA triad - strategies






23. Unified data carrying service - replacing from replay and ATM






24. Infects the EXE and make them operate slightly different - when infected - exe header sizes are altered to point to the appended viral code






25. Simplest form of a research honeypot - useful in identifying nature of TCP scans - allows attacker to complete 3-way handshake - listens on a defined port - logs incoming requests for analysis






26. Uses flow control to handle network congestion - can send larger amounts of data per packet - has guaranteed delivery of transmitted data - better protection against spoofing - reduces need for error checking at higher OSI layers






27. 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.






28. 192.0.0.0 through 223.255.255.255 - subnet mask of 255.255.255.0






29. It interacts with data and prepares it to be transmitted across the network. It ensures reliable connectivity from end-to-end






30. 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.






31. Program disguised as something helpful - only to perform actions the user did not intend. Opening ports - installing other programs - etc.






32. It interacts with the application layer to determine which network services will be required






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






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






35. Switches along the path can be requested to allocate the desired amount of bandwidth. If the circuit has the required bandwidth - the circuit is set up.






36. 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






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






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






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






40. 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






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






42. 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






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






44. -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






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






46. A hash is produced when applied to a monitored file. The hash always generates the same value unless a change was made. HIDS software checks the hashes of monitored files and if a change is found - analyst is notified. - ie: tripwire






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






48. 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






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






50. 1.0.0.0 through 127.255.255.255 - subnet mask starts at 255.0.0.0







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