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. 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






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






3. Network scanner.






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






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






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






7. 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






8. 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






9. 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






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






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






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






13. CIDR is a shorthand way of specifying which portion of the address is the network - and which portion is the host






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






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






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






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






18. One is for talking - one is for implementing






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






20. Infected millions through various methods - vulnerability in the MS Server Service - brute force admin password through network shares - infect removable devices with a malicious autorun script






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






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






23. 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






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






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






26. 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






27. 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






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






29. 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






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. 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






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






33. Full open - half open (stealth scan) - UDP - Ping






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






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






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






37. 8 bytes per packet - UDP SRC port - UDP DST Ports - UDP length - UDP Checksum






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






39. War dialing - war driving - Sniffing - eavesdropping - dumpster diving - social engineering






40. 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 its corresponding IP address






41. 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






42. Maintains complete TCP connection state and sequencing through 2 connections - address translation built-in by virtue of second connection above






43. 20 - FTP data - 21 - FTP - 23 - Telnet - 25 - SNMP - 53 - DNS - 79 - Finger - 80 - HTTP - 110 - POP - 443 - HTTPS






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






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






47. 192.0.0.0 through 223.255.255.255 - subnet mask of 255.255.255.0






48. Confidentiality - integrity - availability






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






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