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






3. Infects MBR - no network spreading potential






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






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






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






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






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






9. 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.






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






11. Migrate to WPA2 - use strong authentication like PEAP or TTLS - audit network installations - require mutual auth between client and infrastructure equipment






12. 53 bytes - 48 bytes for data - 5 bytes for the header






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






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






15. OSI






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






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






18. 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






19. Attempt to manipulate or trick a person into providing information or access - bypass network security by exploiting humans - vector is often outside attack by telephone or visitor inside






20. Strips OS commands and characters from input - avoid making system calls from within the app * especially based on user input






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






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






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






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






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






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






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






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






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






30. 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.






31. Unencrypted message in its original form






32. 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






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






34. Combines the functionality of a hub and bride into a single device - keeps track of MACs attached to each port






35. 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






36. 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






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






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






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






40. Weakness in a system - inherent in a complex system - majority are due to poor coding - gateway by which threats are manifested






41. deployment challenges including topology and access limitations - analyzing encrypted traffic - quantity vs. quality of signatures - performance limitations with extensive analysis techniques - very costly for proper management






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






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






44. 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






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






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






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






48. 128.0.0.0 through 191.255.255.255 - with a subnet mask of 255.255.0.0






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






50. Considered to be a perimeter device






Can you answer 50 questions in 15 minutes?



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