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






2. Physical layer - Data link layer - Network Layer - Transport Layer - Session Layer - Presentation Layer - Application Layer






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






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






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






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






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






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






11. Syn - Syn/Ack - Ack






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






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






14. Known - unknown - zero day






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






16. 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






17. Message in its encrypted form






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






19. 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






20. 128.0.0.0 through 191.255.255.255 - with a subnet mask of 255.255.0.0






21. 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






22. logic bomb - trojan horse - trap door






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






24. 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






25. Network scanner.






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






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






28. 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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29. Stateful firewalls maintain state of traffic flows






30. 8 bytes per packet - UDP SRC port - UDP DST Ports - UDP length - UDP Checksum






31. 1.0.0.0 through 127.255.255.255 - subnet mask starts at 255.0.0.0






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






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






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






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






37. Used by IDS for a baseline before analysis - attackers will try to de-normalize traffic to evade detection - IDS will normalize data for understood protocols






38. -Malicious code might execute destructive overwrite to hard disks -Malicious mas mailing code might expose sensitive information to the internet - web server compromise might expose organization to ridicule - Web server compromise might expose custom






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






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






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






42. 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






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






44. One is for talking - one is for implementing






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






46. 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






47. Switches networks make it difficult to monitor traffic in promiscuous mode - topology must be able to support traffic aggregation for monitoring






48. Confidentiality - integrity - availability






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






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