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. 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






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






4. 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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5. 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






6. Going around with equipment to detect wireless networks






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






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






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






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






11. OSI






12. 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






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






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






15. 192.0.0.0 through 223.255.255.255 - subnet mask of 255.255.255.0






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






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






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






19. Stateful firewalls maintain state of traffic flows






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






21. 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






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






23. 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






24. 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.






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






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






27. It interacts with the application layer to determine which network services will be required






28. Four layers - Network Layer - Internet Layer - Transport Layer - Application layer






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






30. -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






31. 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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32. destruction of data - leaking confidential information - providing backdoor access






33. Confidentiality - integrity - availability






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






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






36. A cracking tool inserted into the OS that allows the attacker to do as they please.






37. Attaches itself to existing program files and activated when the exe is launched






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






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






40. 8 bytes per packet - UDP SRC port - UDP DST Ports - UDP length - UDP Checksum






41. An attacker recruits zombie systems ahead of time to simultaneously release a flood of traffic at a specific target.






42. Considered to be a perimeter device






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






44. 1.0.0.0 through 127.255.255.255 - subnet mask starts at 255.0.0.0






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






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






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






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






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






50. 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







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