CHAPTER 8 TERMS - CROSSWORD

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Across
  1. 2. the numbers between the subnet and broadcast address
  2. 4. designed to allow one-to-one mapping between local and global addresses
  3. 5. the name of the destination host before translation (usually a web address, mail server…)
  4. 8. start at zero and count in the block size. (192 (11000000) then block size is 64) ex: 0, 64, 128, 192) counting by 64.
  5. 10. address – man-to-one – by using different ports.
  6. 13. taking one larger network and breaking it into a bunch of smaller networks
  7. 15. displays the list of routers on a path to a network destination by using time-to-live and time outs and ICMP error messages
  8. 16. any layer 3 machine like a router
  9. 17. equals the number of unmask bits (0s) to the 2nd power minus two (unmasked are 0s) 11000000 which is 2 to the 6th power = 64 and 64 – 2 = 62 hosts per subnet
  10. 20. used only from a DOS prompt, Shows you the PC network configuration
  11. 21. A 32-bit value that allows the recipient of the IP packets to distinguish the network ID portion of the IP address from the host ID portion of the IP address
  12. 22. equals the number of masked bits (1s) to the 2nd power (masked are 1s) 11000000; is two bits or 1s, (2 to the 2nd power = 4 subnets)
  13. 24. – a form of dynamic NAT that maps multiple unregistered IP addresses to a single
Down
  1. 1. different length subnet masks in the network
  2. 3. is the name of the inside host after translation
  3. 6. name of the outside destination host after translation
  4. 7. the number right before the value of the next subnet
  5. 9. a command if executed on a router allows you to use the zero subnet as our first subnet
  6. 11. echo request and replies to test
  7. 12. a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet
  8. 14. any network device with an IP address
  9. 18. - same command as traceroute, but it is a Microsoft Windows command and will not work on other devices, like Cisco router or Unix box
  10. 19. gives you the ability to map an unregistered IP address to a registered IP address from a pool of register IP addresses
  11. 23. a Displays IP-to-MAC address mappings on a Windows PC
  12. 25. address used on the internet (usually the public addresses used on the internet)