Reference no: EM131155485
1. Explain the meaning of Software Defined Networks
2. a. Can a machine with a single DNS name have multiple IP addresses?
b. How could this occur?
3. Consider a situation in which a hacker makes all DNS servers in the world crash simultaneously. How does this change one's ability to use the Internet?
4. When a mobile host is not at home, packets sent to the home LAN are intercepted by its home agent on the LAN. For an IP network on an 802.3 LAN, how does the home agent accomplish this interception? Explain your answer
5. Many companies have a policy of having two (or more) routers connecting the company to the Internet to provide some redundancy in case one of them goes down. Is this policy still possible with NAT? Explain your answer
6. Give two reasons why networks might use an error-correcting code instead of error detection and retransmission
7. List two ways in which WiMAX is similar to 802.11, and two ways in which it is different from 802.11
8. a. Explain succinctly the difference between the database of a network management system and its MIB.
b. How do you implement each (i.e. the database and the MIB) in a network management system?
9. You are establishing small company with your network managed by a network management system:
a. List the five functional network management applications that you will implement
b. Give examples of each functional application
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Making a final decision in the negotiation process
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Explain the meaning of software defined networks
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