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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. Twisted pair cable with speed capability of 10Mbps






2. Man in the middle attack where the attacker captures the traffic and sends it to the original recipient without altering the intercepted data






3. Level 2 firewall often used to filter web traffic






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






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






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






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






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






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






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






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






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






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






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






15. Seeks to reduce the probability and/or impact of a specific risk below an acceptable threshold






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






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






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






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






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






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






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






23. Collection on honeypots






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






25. 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






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






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






28. Malicious activity not reported or detected






29. Monitors network traffic to identify possible attacks






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






31. Head of a packet contains...






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






33. IDS response method using logging and notification






34. 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






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






36. Packet filtering - proxies - stateful inspection






37. 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






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






39. 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






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






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






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






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






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






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






48. Used to pass data from one VLAN to another






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






50. An attacker redirects valid request to malicious sites by feeding a DNS server altered records which are retained in its cache







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