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






2. Malicious activity not reported or detected






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






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






5. An attack where fragmented UDP packets with odd offset values are sent to the victim - when the OS attempts to rebuild the fragments they overwrite each other and cause confusion






6. IDS response method using logging and notification






7. Packet filtering - proxies - stateful inspection






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






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






10. 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






11. An attacker redirects traffic by falsifying the IP address requested by ARP request






12. IP - email - website - DNS - and ARP






13. Malicious insiders - connections that bypass the firewall (i.e. IM) - encrypted traffic/tunneling - social engineering - physical access are missed by ___________






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






15. 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






16. Well known ports - allow administrative access - used for network services - considered only ports allowed to transmit traffic thru a firewall






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






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






19. Network configuration that permits selected outsiders access internal information systems






20. Monitors network traffic to identify possible attacks






21. 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






22. A decoy system - intentionally left exposed to attract/distract attackers - logs and monitors attacker activities






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






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






25. Level 2 firewall often used to filter web traffic






26. 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






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






28. Cable designed for transmission at higher speeds (100Mbps - 2Gbps) and longer distances (2km) - expensive -eliminates signal tapping






29. Connects devices together to form a subnet - broadcasts incoming packets to all devices






30. Dynamic / private ports






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






32. Bbenign activity reported as malicious






33. Connects devices together to form a subnet - packet forwarding is based on MAC addresses - works at the data link layer of the OSI






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






35. Cable with copper core - has no physical transmission security and is easy to tap - 10mbps - maximum length 500 meters






36. Firewall that intercepts and inspects messages before delivering them - placed between trusted and untrusted networks - degrade network traffic - also know as application gateway






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






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






39. Multiple network defense components are placed throughout the organizations assets and the network is properly segmented






40. IP spoofing attack where the attacker can monitor packets and participate in bidirectional communication






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






42. A feature of firewalls / routers that disguise the IP address of internal systems allowing connection to the Internet using one public address






43. Twisted pair cable with speed capability of 1Gbps






44. Bastion host - dual homed firewall - multi homed firewall - screened host - screened subnet






45. 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






46. Forging an IP address with the address of a trusted host






47. Firewall with several NICs connected to different networks






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






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






50. Ping flooding - ping of death - smurf - fraggle - SYN flood - land - teardrop - email flood







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