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






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






3. 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






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






5. 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






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






7. Twisted pair cable with speed capability of 1Gbps






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






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






10. User / registered ports






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






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






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






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






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






16. Examines a entire packet and determines action based on a complex set of rules






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






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






19. Monitors network traffic to identify possible attacks






20. A variation of a smurf attack using UDP






21. Amplifies the signal of incoming packets before broadcasting them to the network






22. Malicious activity not reported or detected






23. Most common DMZ implementation using three firewall interfaces (internet - intranet - DMZ)






24. A pool of public IP addresses is shared by a collection of private IP addresses






25. Attack where an attacker intercepts traffic and tricks parties at either end into believing they are communicating with each other






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






27. IP spoofing attack where the attacker can only send packets and has to guess about replies






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






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






30. Protocol used to map an known IP address to its corresponding media access control (MAC) address






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






32. Blocks all traffic from passing through the firewall except for traffic that is explicitly allowed - also known as restrictive access - best practice






33. Session hijacking countermeasure






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






35. A complete transfer of all DNS zone information from one server to another






36. Firewall with several NICs connected to different networks






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






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






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






40. Packets with a forged source IP address - purpose to conceal the identity of the sender or impersonate another computing system






41. Packet filtering - proxies - stateful inspection






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






43. 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






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






45. 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






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






47. 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






48. Collection on honeypots






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






50. A sniffer mode used to capture traffic addressed to/from another machine on the network







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