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640-801 Cisco CCNA Cisco Certified Network Associate

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Additional resources for 640-801 Cisco CCNA Cisco Certified Network Associate (Version 90.0)

Sample text

1/20, what is the maximum number of hosts allowed on this subnet?  Each subnet must support at least 24 hosts. Which network mask should you use?  This matches with requirement.  What should you tell him? 224 subnet mask? com - 55 - next network 0 0 1 1 0 0 0 0 (which equals 48) Range of host values are: RANGE 0 0 1 0 0 0 0 1 TO RANGE 0 0 1 0 1 1 1 0 network is 32 the next network is 32 + 16 = 48 the range is 32 + 1 to 48 - 2. this results in a range 33 to 46.  These choices are both network addresses.

Only 1 bit is required to give us 128 but 1 bit gives us 0 subnets.  This is too few.  Two of the networks require more than 14 hosts so this will not do.  All the networks require more than 6 hosts so this will not do.  This is too few.  Which mask would you use? 0. 0. 0. 0. 0 as the subnet mask.  Therefore, any IP address that does not end in one of these numbers will be a valid host IP address. 32/27 network. 192/27 network. 240 Which of the following addresses can be allocated to hosts on the resulting subnet?

This will provide for 14 networks, but with only 14 hosts per network so there will not be enough hosts for the Production and Engineering LANs.  This will provide for 62 different networks, but each with only 2 usable hosts per network.  After subnetting the address, the team is ready to assign the address.  As a member of the networking team, you must address the network and at the same time converse unused addresses for future growth.  Not all of the host addresses on the left will be used.

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