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. Personal area network - phone tethering - bluetooth - etc






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






3. 1.0.0.0 through 127.255.255.255 - subnet mask starts at 255.0.0.0






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






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






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






7. One is for talking - one is for implementing






8. 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






9. 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






10. Protected at rest - protected in transit - secure the key






11. Very simplistic. All systems are attached to the same cable segment. Rarely used because they're unreliable - low fault tolerance - poor traffic isolation - with limited scalability






12. It handles the establishment and maintenance of connections between systems






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






14. 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






15. Outside attack from network - Outsider attack from telephone - Insider attack from local network - insider attack from local system - attack from malicious code






16. Connection oriented - before systems can communicate over an ATM network - they must establish a virtual circuit between each other - this can span across multiple ATM switches that also handle communications for other systems - at the end of the con






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






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






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






20. An attacker spoofs the victim's IP and sends an ICMP ECHO request to the broadcast address of a network. When every system responds - a DoS occurs.






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






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






23. OSI






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






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






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






27. 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






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






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






30. 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






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






32. Network scanner.






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






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






35. 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






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






37. True positive - false positive - true negative - false negative






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






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






40. 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






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






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






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






44. 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






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






46. FIN 130 - ACK 131 - FIN 570 - ACK 571






47. Going around with equipment to detect wireless networks






48. Good for multimedia - can use small single packets - multicasting is required - speed is the highest priority






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






50. 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







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