Test your basic knowledge |

Router Security

Subject : it-skills
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. Users - Host PC's - IP Addresses






2. What Local and Global refer to in NAT






3. Interim Build Number






4. Allows the source IP host to specify a route through the IP network






5. Command to disable UDP small server on a router






6. Major Version






7. Provides nonrepudiation - ensuring that traffic is from a trusted party






8. None - uses attached application protocol's port






9. Refers to addresses used on the organization's private network






10. Breaks LAN security perimeter extends LAN to Layer 2






11. Access-list <number> <deny | permit> source source-wildcard log






12. Can discover vulnerabilities - network stats - and firewall discovery






13. A method of bypassing firewall or proxy restrictions by making the firewall think that it is getting traffic from a web browser






14. Privilege level that is restricted to basic level operations






15. Refers to the organization's private network






16. Software that passively monitors the connection requests flowing through the router; if a connection fails - the software sends a Reset to the server to clear up its state






17. Attack that involves sending a large amount of ICMP Echo packets to a subnet's broadcast address with a spoofed source IP address from that subnet






18. What Transport Mode is used for






19. Command to disable TCP small server on a router






20. Protects against repeating of secure sessions






21. Access - Distribution - Core






22. Minor Version






23. A secure alternative to telnet for remote administration that supported in Enterprise versions of Cisco IOS






24. 2000-2699






25. Technology

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26. UDP Port 1701






27. Local and Remote






28. DENY TCP ANY HOST <IP Address> EQ 23






29. Router threat where access by an entity or individual other than authorized users






30. Command used to disable the ICMP message Redirect






31. Command to disable CDP on a router






32. Allows for a one-to-one translation of local to global addresses; used by web servers and mail servers so that users can connect to them via their global address






33. 0-99






34. Ip accesslist extended <name1> - permit IP any any reflect <filename> - ip accesslist extended <name2> - evaluate <filename> - int f0/0 - ip access-group <name1> out - ip access-group <name2> in






35. 33400-34400






36. The communication layer between the two other layers and provides network security - including ACLs - firewalls - any general public access servers and address translation; also known as the isolation LAN or DMZ






37. Commands to disable Finger Server






38. Uses SSL port 443






39. Mode where the entire packet is encrypted and/or authenticated - requiring a new IP packet to be encapsulated






40. These ACLs filter by network or host IP addresses andspecific protocol type or port numbers - filters by source and destination






41. Ip access-list <standard | extended> name - permit TCP any any established






42. Attack that involves sending a packet to the router with the same IP address in the source and destination address fields - as well as the same port number in the source and destination port field - causing a denial of service






43. When one network protocol called the payload protocol is encapsulated within a different delivery network - or provide a secure path through an untrusted network






44. TCP Port 22






45. Attack that involves a multitude of compromised system attack a single target - denying service to it by exploiting one 'master' system that communicates with other 'zombie' systems






46. TCP only - used to filter inbound traffic while allowing return TCP sessions - can be spoofed by attackers and cannot be used with Active FTP






47. Command used to disable the ICMP message Address Mask Reply






48. Enterprise

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49. DENY IP 224.0.0.0 15.255.255.255 ANY






50. Access-list <number <deny | permit> source source-wildcard source-qualifier destination dest-wildcard dest-qualifier <log | log-input>