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






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






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






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






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






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






7. 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






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






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






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






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






12. A variation of a smurf attack using UDP






13. Packet filtering - proxies - stateful inspection






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






15. Level 2 firewall often used to filter web traffic






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






17. A locked down/hardened host on the public side of the firewall highly exposed to attacks (i.e. web server - email server)






18. Head of a packet contains...






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






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






21. Used to pass data from one VLAN to another






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






23. 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






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






25. A DoS attack that subverts the normal "three way handshake" of TCP/IP by sending SYN packets - but no corresponding ACK packets






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






27. Session hijacking countermeasure






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






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






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






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






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






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






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






35. Malicious activity not reported or detected






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






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






38. 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






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






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






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






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






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






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






45. IDS response method using logging and notification






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






47. 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






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






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






50. 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