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






2. 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






3. 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






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






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






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






7. Message in its encrypted form






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






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






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






11. Confidentiality - symmetric encryption






12. One is for talking - one is for implementing






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






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






15. 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






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






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






18. 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






19. 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.






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






21. 53 bytes - 48 bytes for data - 5 bytes for the header






22. Unified data carrying service - replacing from replay and ATM






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






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






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






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






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






28. The practice of sending an ACK inside another packet going to the same destination






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






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






31. 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






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






33. 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






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






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






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






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






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






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






41. Isolates systems when they initially connect to the network - allows systems to be scanned and checked prior to being put on a trusted segment






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






43. 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






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






45. Trying to ID modems in a telephone exchange that may be susceptible to compromise






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






47. 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






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






49. 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






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