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Router Security
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Router Security
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25 Questions

1. Command to disable TCP small server on a router

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

3. Commands to disable Finger Server

4. Software that blocks packets from unreachable hosts - thus allowing only reachable external hosts to initiate connections to a host on an internal network

5. DENY IP HOST HOST

6. Traffic is passed in plaintext

7. TCP and UDP Port 161

8. Can copy - poison - corrupt - or delete the IOS

9. An extension of static mapping which allows for one global address to be mapped to multiple inside addresses; can be used for websites with multiple back end servers

10. Layer 3

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

12. Data link layer protocol used for tunneling network traffic between two peers over an existing network - often used with IPsec to secure packets

13. DENY IP 224.0.0.0 15.255.255.255 ANY

14. Can stop spoofed IP addresses

15. 0-99

16. 2000-2699

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

18. Router to Router Denial of Service

19. Cisco default tunneling protocol that uses multicast addressing without encryption and is designed to encapsulate a wide variety of network layer packets inside IP tunneling packets

20. Tunnel Mode Protocol provides integrity - authentication - and non-repudiation and operates directly on top of IP

21. Datagram protocol used by some hosts to load their operating system over the network via a central repository of IOS software

22. Private IP address after translation

23. Uses server and host keys to authenticate systems

24. Access - Distribution - Core

25. DENY IP ANY HOST

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