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| Question ID 6395 | Which of the following IP addresses are valid Class B host addresses if a default Class B mask is in use? (Choose two.)
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| Option A | 10.6.8.35
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| Option B | 133.6.5.4
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| Option C | 192.168.5.9
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| Option D | . 127.0.0.1
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| Option E | 190.6.5.4
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| Correct Answer | be |
Explanation The IP addresses 133.6.5.4 and 190.6.5.4 are both valid Class B addresses when a default mask is in use. The Class B default mask is 255.255.0.0 and the range of valid addresses is 128.0.0.0- 191.255.255.255. The IP address 10.6.8.35 is a Class A address. The Class A default mask is 255.0.0.0 and the range of valid addresses is 1.0.0.0 - 127.255.255.255, with the exception of the range 127.0.0.1 - 127.255.255.255, which is reserved and cannot be assigned. The IP address 192.168.5.9 is a Class C address. The Class C default mask is 255.255.255.0 and the range of valid addresses is 192.0.0.0 - 223.255.255.255. The IP address 127.0.0.1 is a Class A address, but it comes from a reserved portion that cannot be assigned. The range 127.0.0.1 - 127.255.255.255 is used for diagnostics, and although any address in the range will work as a diagnostic address, 127.0.0.1 is known as
| Question ID 6396 | How many addresses will be available for dynamic NAT translation when a router is configured with the following commands? Router(config)#ip nat pool TAME 209.165.201.23 209.165.201.30 netmask 255.255.255.224 Router(config)#ip nat inside source list 9 pool TAME
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| Option A | 7
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| Option B | 8
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| Option C | 9
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| Option D | 10
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| Option E | 24
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| Option F | 32
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| Correct Answer | b |
Explanation Explanation/Reference: 209.165.201.23 to 209.165.201.30 provides for 8 addresses. Topic 4, IP Routing Technologies