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






2. 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






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






4. Dynamic / private ports






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. Malicious activity not reported or detected






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






8. Packet filtering - proxies - stateful inspection






9. Twisted pair cable with speed capability of 10Mbps






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






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






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






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






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






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






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






17. A level 3 firewall that remembers / tracks network connections - maintains a state table - distinguish which side of a firewall a connection was initiated - higher security






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






19. A flaw in TCP/IP to verify that a packet really comes from the addess indicated in the IP header leads to this attack






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






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






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






23. Connects two or more subnets - determines the best path to forward packets based on packet header and forwarding table information






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






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






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






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






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






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






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






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






33. Firewall with several NICs connected to different networks






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






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






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






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






38. A logical group of computers connected via a switch/hub that share the same network prefix in their IP address






39. Monitors network traffic to identify possible attacks






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






41. A variation of a smurf attack using UDP






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






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






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






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






46. Generate random TCP sequence numbers and encrypt traffic countermeasure what attacks






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






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






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






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







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Can you answer 50 questions in 15 minutes?


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