Test your basic knowledge |

Comptia Security +: Network Security

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. Cable used most in networks - maximum speed 1Gbps - maximum length 100 meters - susceptible to tap






2. Bbenign activity reported as malicious






3. Man in the middle attack where the content of an intercepted message is altered before it is sent on






4. Collection on honeypots






5. An application layer gateway works at this layer of the OSI model






6. Variation of the SYN flood where SYN packets are spoofed to have the same source and destination IP address and port






7. Crashing a computer by sending oversized packets (over 64 bytes) that it doesn't know how to handle






8. A method - used by switches and email servers - of delivering messages which are temporarily held by an intermediary before being sent to their final destination






9. Promiscuous NIC to sniff passing traffic - admin NIC to send alerts to centralized management system






10. A ping message is broadcast to an entire network with a spoofed source IP addess of the victim computer - flooding the victim computer with responses during this attack






11. Firewall that communicates directly with a perimeter router and the internal network - 2 NICs - screens internal traffic






12. Firewall with several NICs connected to different networks






13. Web servers - FTP servers - DNS servers - mail servers should be located on the _____________






14. A logical connection point allowing computers and software to communicate and exchange data






15. Known as thicknet - 10mbps - limited to 500 meters






16. A server that sits between an intranet and it's Internet connection - masking all IP addresses






17. Level 1 firewall that looks at the head of a packet - (not content) - operates rapidly - application independent - either allow or deny packets






18. Firewall with two NICs - one internal and one external facing - NAT is often used with this firewall






19. Type of IP addresses not routed on the internet: 10.x.x.x - 172.16.x.x - 192.168.x.x






20. A group of hosts on logical network segment that communicate as if they were attached to the same broadcast domain - regardless of their physical location






21. When a hacker takes over a TCP session between two machines - also known as session hijacking - foiled by the use of encrypted sessions






22. IDS that relies on usage patterns and baseline operation - can ID new vulnerability - high rate of false alarms






23. User / registered ports






24. Known as thinnet - 10mbps - limited to 185 meters






25. Allows all traffic except traffic that is specifically denied - also known as permissive access






26. Take control of a session between a server and client - the users gets kicked off the session while the attacker inserts himself into the session by sending a reset request to the client






27. A set of rules computers use to communicate with each other across a network






28. DMZ implementation using two firewalls with different rule sets for the DMZ and intranet






29. Unauthenticated connections - creating the potential for a successful connection as an anonymous user






30. A variation of a smurf attack using UDP






31. Evolved from IDS - monitors network traffic - detects and responds to attack on network






32. Unauthenticated Windows session where an attacker can gather list of users - groups - machines - shares - user and host SID






33. Examines content passing through and makes a decision on the data based on a set of criteria - normal uses email filtering and web browsing






34. A logical division of a computer network - in which all nodes can reach each other by broadcast at the data link layer - equivalent to a VLAN






35. IDS that relies on the identification of known attack signatures






36. Acts as an organizations internal phone system






37. Capture and analyze network traffic - also known as packet analyzer - sniffer - network analyzer






38. One process on every system - use local system resources - detect attacks that NIDS misses - examine data after decrypted - can be OS specific - more expensive






39. One private IP address is mapped to one public IP address






40. A person or program masquerades as another by presenting false information to gain an illegitimate advantage






41. Packet filtering - proxies - stateful inspection






42. Creating a illegitimate website with the intention of convincing victims that they are visiting a legitimate site - typically to collect confidential information






43. An attack where an attacker captures sensitive information and sends it again later in an attempt to replicate the transaction






44. Two authoritative sources for your domain namespace with differing contents depending on whether the query is internal or external






45. Monitors network traffic to identify possible attacks






46. One device per network segment - does not use local system resources - can't examine encrypted traffic - OS independent - less expensive






47. A packet filtering firewall works at this layer of the OSI model






48. A firewall that checks all layers of a packet including content - verifying an expected response to a current communication session - also call a deep packet inspection






49. IPS response method - terminate process/session - block/reject and redirect network traffic






50. Attempt to block service or reduce activity by overloading the victim machine with ping requests