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Q1) Aunt Ann's Kitchen Situation: Aunt Ann's Kitchen offers a line of specialty food products to institutional customers and restaurant chains. The firm prides itself on using only the finest ingredients and preparation methods. The owner, Ann Rose, hired you as an IT consultant to help her plan the system architecture for a new WLAN that will connect employee computers to the main (wired) network. She asked you to start with the following questions:
a. What possible IEEE 802.11 amendments could be used for the new system? What are the pros and cons of each amendment?
b. Choose an amendment to implement and explain your choice.
c. Suppose that microwave ovens and cordless telephones are used extensively in some parts of the facility. Would that affect your IEEE 802.11 amendment choice? If so, why?
d. Suppose that the new WLAN will also provide roaming services for employees with portable notebook computers. Which wireless topology will be required?
Compare the time for a query and response for a complete DNS query and response (to all required nameservers) if M=1, M=2, and M=3.
You have been hired by a small company to install backbone to connect four 100base-T Ethernet LANs (each using one 24-port hub) and to give a connection to Internet. Develop simple backbone and determine total cost.
Suppose a propagation speed of 100 km/hour. Assume caravan travels 150 km, beginning in front of tollbooth. Calculate the end-to-end delay.
CBC-pad is a block chiper mode of operation used in RC5 block cipher, but it could be used in any block cipher. That is, if the original plaintext is an integer multiple of the block size, why not refrain from padding?
You are provided with some continuous signals for the number of sensors on a sensor array. The signals detect various categories of signals.
Write about SSH or OpenSSH server services discussion questions
As the data center manager for your organization, you have been asked by the CIO to provide a short presentation on the advantages and disadvantages of replacing old servers with new servers.
Write a two-and-a-half-page paper explaining network management system identified on acurrently-dated vendor website (Cisco, HP, Sun, SolarWinds, CA, Network General, IBM, etc.).
Research network address translation (NAT). While conducting your research, consider purpose of NAT, compatibility with IPv6, and functions of automatic IP assignment and automatic name resolution.
problems of IPV, DNS server software, TCP SYN attack, Ping of Death, Land attack, Teardrop attack, Smurf attack, Fraggle attack
Consider error-free 256 kbps satellite channel used to send 1024-byte data frames. What is smallest window size that is large enough to optimize the throughput?
It is considered good practice for the sender to pad every message, including messages in which the final message block is already complete. What is the motivation for including a padding block when padding is not needed.
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