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






2. 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






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






4. -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






5. 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






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






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






8. Wide Area Network - Larger than MAN or LAN - uses public network - phone lines - and leased lines to tie LAN and MAN over a dispersed area






9. Considered to be a perimeter device






10. 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






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






12. 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






13. 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






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






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






16. 1.0.0.0 through 127.255.255.255 - subnet mask starts at 255.0.0.0






17. 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






18. Uses a 1 to 1 substitution of arbitrary numbers - given a one character mapping - you cannot determine the key






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






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






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






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






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






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






26. An FTP that allows downloads only if the user knows the exact name of the file they're looking for






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






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






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






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






31. Message in its encrypted form






32. 8 bytes per packet - UDP SRC port - UDP DST Ports - UDP length - UDP Checksum






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






34. Worms and Wireless - modems - tunnel anything through HTTP - social engineering






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






36. 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






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






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






39. 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






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






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






42. 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






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






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






45. Confidentiality - integrity - availability






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






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






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






49. One is for talking - one is for implementing






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