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. 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






2. Uses inclusive or exclusive lists - inclusive analysis utilizes a list of keywords - exclusive analysis utilizes a list of events that can be ignored






3. logic bomb - trojan horse - trap door






4. 8 bytes per packet - UDP SRC port - UDP DST Ports - UDP length - UDP Checksum






5. A TCP version of ping - sends custom TCP packets to a host and listens for replies - enables port scanning and spoofing simultaneously






6. 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






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






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






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






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






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






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






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






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






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






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






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






18. 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






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






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






21. True positive - false positive - true negative - false negative






22. When someone has compromised the integrity of data or a program. Allows attackers to create backdoors.






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






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






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






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






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






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






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






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






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






33. Take the file and try to compress it. If it compresses - it means there is a pattern and it's more easily crackable

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34. 20 - FTP data - 21 - FTP - 23 - Telnet - 25 - SNMP - 53 - DNS - 79 - Finger - 80 - HTTP - 110 - POP - 443 - HTTPS






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






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






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






38. Syn - Syn/Ack - Ack






39. Slow - requires stateful data tracking - inspects all fields - including variable-length fields






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






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






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






43. 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






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






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






46. 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






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






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






49. 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






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