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






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






3. Means multiple iterations won't matter. If you encrypt with a key - then re-encrypt - it's the same as using one key.






4. 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






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






6. Attaches itself to existing program files and activated when the exe is launched






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






8. 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






9. Spread as an office attachment with executable code programmed using macro facility - targets are data files - visual basic editor and other macro languages - payload executes when the code is launched






10. Confidentiality - integrity - availability






11. A low end firewall that can quickly be deployed using existing hardware. They examine packets themselves with no content.






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






13. Going around with equipment to detect wireless networks






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






15. Network scanner.






16. Infects MBR - no network spreading potential






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






18. 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






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






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






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






22. The practice of sending an ACK inside another packet going to the same destination






23. 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






24. Replicates traffic onto all ports - no traffic monitoring - cannot control which ports should or shouldn't receive frames - forming a large collision domain.






25. Confidentiality - integrity - availability






26. 20 - FTP data - 21 - FTP - 23 - Telnet - 25 - SNMP - 53 - DNS - 79 - Finger - 80 - HTTP - 110 - POP - 443 - HTTPS






27. 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






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






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






30. Resource exhaustion like DDoS or fork attack - unexpected input value the machine does not know how to process






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






32. 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.






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






34. 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






35. logic bomb - trojan horse - trap door






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






37. Intrusion detection system - it reports attacks against monitored systems/networks






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






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






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






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






42. 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






43. Isolates systems when they initially connect to the network - allows systems to be scanned and checked prior to being put on a trusted segment






44. OSI






45. ATM supports two types of virtual circuits: permanent virtual circuits and switches virtual circuit - PVC is set up in advance - usually manually - SVC is established automatically through a signaling protocol and can be created on the fly - establis






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






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






48. The Practice of sending an ACK inside another packet going to the same destination






49. UDP based infection - infected through vulnerability in SQL server - caused DoS on saturated networks






50. Message in its encrypted form