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






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






3. A person or program masquerades as another by presenting false information to gain an illegitimate advantage






4. Allows all traffic except traffic that is specifically denied - also known as permissive access






5. Collection on honeypots






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






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






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






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






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






11. Firewall with several NICs connected to different networks






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






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






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






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






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






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






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






19. Monitors network traffic to identify possible attacks






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






21. 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






22. Bbenign activity reported as malicious






23. Two authoritative sources for your domain namespace with differing contents depending on whether the query is internal or external






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






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






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






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






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






29. 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






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






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






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






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






34. Firewall that intercepts and inspects messages before delivering them - placed between trusted and untrusted networks - degrade network traffic - also know as application gateway






35. Twisted pair cable with speed capability of 1Gbps






36. Packet filtering - proxies - stateful inspection






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






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






39. Used to pass data from one VLAN to another






40. Level 2 firewall often used to filter web traffic






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






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






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






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






45. Head of a packet contains...






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






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






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






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






50. Acts as an organizations internal phone system







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Can you answer 50 questions in 15 minutes?


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