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






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






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






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






5. 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.






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






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






8. 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






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






10. 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






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






12. 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






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






14. Provides insight into the tactics - motives - and attacker tools






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






16. 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






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






18. True positive - false positive - true negative - false negative






19. 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






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






21. open source tool for monitoring - can be used as a NIDS - has quick updates and flexibility for custom rules






22. 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






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






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






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






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






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






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






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






30. Hash Authentication - asymmetric - non repudiation - digital signature - hash + asymmetry






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






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






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






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






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






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






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






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






40. Improper deployment can increase attack risk - if production systems aren't sufficiently protected - they can be vulnerable from a honeypot - legal liability






41. Malware - insider threat - natural disaster - terrorism - pandemic






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






43. Stateful firewalls maintain state of traffic flows






44. Confidentiality - symmetric encryption






45. OSI






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






47. deployment challenges including topology and access limitations - analyzing encrypted traffic - quantity vs. quality of signatures - performance limitations with extensive analysis techniques - very costly for proper management






48. 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






49. Confidentiality - integrity - availability






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