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






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






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






4. risk = threat x vulnerability - impossible to eliminate - security is an exercise in loss reduction






5. Confidentiality - symmetric encryption






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






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






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






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






10. One is for talking - one is for implementing






11. Unencrypted message in its original form






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






13. 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






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






15. 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






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






18. Stateful firewalls maintain state of traffic flows






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






20. 1.0.0.0 through 127.255.255.255 - subnet mask starts at 255.0.0.0






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






22. 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






23. 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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24. Confidentiality - integrity - availability






25. Work groups that require additional protection are segmented from the rest of the internal organization - restricting access to critical segments - system of VPNs - internal firewall - VLANs and ACLs






26. Free linux WLAN analysis tool - completely passive - cannot be detected - supports advanced GPS integration and mapping features - used for wardriving - WLAN vulerability assessment






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






28. 128.0.0.0 through 191.255.255.255 - with a subnet mask of 255.255.0.0






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






30. 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






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






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






33. 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






34. Known - unknown - zero day






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






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






37. 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.






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






39. 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






40. An attempt to gain access by bombarding it with guesses until the password is found.






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






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






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






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






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






46. 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






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






48. 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.






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






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