640-802 CCNA Study Guide - Elktech.org

Cisco 640-802 Exam
Answer: C
Explanation:
This question is to examine the concept of the private IP address.
Class A. 10.0.0.0 --10.255.255.255
Class B. 172.16.0.0--172.31.255.255
Class C. 192.168.0.0--192.168.255.255
The three classes of addresses shown above cannot be used on the Internet, they can only be
used for the interior LAN addressing scheme. Because of the practical exhaustion of the IPv4
address space, private IP addresses are generated to save the address resources.
The correct answer is C.
QUESTION NO: 55
Which IP address can be assigned to an Internet interface?
A. 10.180.48.224
B. 9.255.255.10
C. 192.168.20.223
D. 172.16.200.18
Answer: B
Explanation:
QUESTION NO: 56
What will happen if a private IP address is assigned to a public interface connected to an ISP?
A. Addresses in a private range will be not routed on the Internet backbone.
B. Only the ISP router will have the capability to access the public network.
C. The NAT process will be used to translate this address in a valid IP address.
D. Several automated methods will be necessary on the private network.
E. A conflict of IP addresses happens, because other public routers can use the same range.
Answer: A
Explanation:
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