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






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






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






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






5. 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






6. 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






7. A variation of a smurf attack using UDP






8. IDS response method using logging and notification






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






10. Used by ISPs - single public network IP address is shared among many hosts on a private network - also known as PAT






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






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






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






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






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






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






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






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






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






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






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






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






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






24. Session hijacking countermeasure






25. Head of a packet contains...






26. Level 2 firewall often used to filter web traffic






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






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






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






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






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






32. 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






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






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






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






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






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






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






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






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






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






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






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






44. 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






45. Malicious activity not reported or detected






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






47. Firewall with several NICs connected to different networks






48. Used to pass data from one VLAN to another






49. 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






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