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






2. 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






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






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






5. Going around with equipment to detect wireless networks






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






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






8. Uniform protection - protected enclaves - information centric - threat vector analysis






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






10. A list of files is defined that should be monitored for a change - HIDS software calculates a one-way hash for each file - if a change is made to the file - the hash is changed






11. 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






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






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






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






15. -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






16. 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






17. 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






18. Used by IDS for a baseline before analysis - attackers will try to de-normalize traffic to evade detection - IDS will normalize data for understood protocols






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






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






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






22. 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






23. Good for multimedia - can use small single packets - multicasting is required - speed is the highest priority






24. 1.0.0.0 through 127.255.255.255 - subnet mask starts at 255.0.0.0






25. True positive - false positive - true negative - false negative






26. A spoofed IP is used to send a SYN to the target. It then responds with a SYN/ACK that never receives the final ACK to complete the handshake. This occupies a portion of the target's pre-established buffer for TCP and can prevent the target from acce






27. Network scanner.






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






29. 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






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






31. 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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32. Protected at rest - protected in transit - secure the key






33. OSI






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






35. Considered to be a perimeter device






36. packet filter firewalls rely on TCP flags to determine connection state. Attacker can send ACK packets only to bypass firewall.






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






38. Improper deployment can increase attack risk - if production systems aren't sufficiently protected - they can be vulnerable from a honeypot - legal liability






39. 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






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






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






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






43. Relies on executable code insertion and user interaction to spread






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






45. 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






46. 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






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






48. logic bomb - trojan horse - trap door






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






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