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You have been hired to help troubleshoot a network. Users in this customer site have being experiencing intermittent problems. A few times a day, some users lose network connections to the server or the internet. Power supply is clean and constant. Recently, a telephone technician had upgraded the cable from Cat 3 to Cat 5.
Derive a general expression for the width of a bit in terms of the propagation speed s, the transmission rate R, and the length of the link m.
After choosing unused address from the range given in d for the IP address for a device on the LAN, what would the IP subnet mask and gateway be set to? Explain why these settings would be used.
Design a network that will integrate a wireless network into an existing wired network. The wired network consists of five departments in a two-story building.
Suppose a propagation speed of 100 km/hour. Assume caravan travels 150 km, beginning in front of tollbooth. Calculate the end-to-end delay.
What is the relationship between individual characteristics and job satisfaction?
Explain role of antennas in transmitting radio waves. What kind of antenna is typically used in wireless LAN?
Compute the total time required to transfer a 1000KB file on a 1Mbps link with an RTD of 100msec ans a packet size of 1 KB in the following cases.a).
Describe how Web caching can reduce the delay in receiving a requested object. Will Web caching reduce the delay for all objects requested by a user
What do you consider the single most important reason to pay attention to faulty terminations and excessive horizontal wiring spans? Why is it critical to label patch cables, ports, and data jacks?
List A below contains the layers of the internet protocol. List B contains items and applications associated with these layers. Recreate the answer table show below in your answer booklet and put the protocol layers in their correct order.
A consulting firm has narrowed the choice of programming language to Java and C#. Which language do you think would be more appropriate for this application and why?
For each of the following attacks, say whether the attack can be detected and mitigated (to a significant degree) by a stateless or stateful firewall. Explain briefly.
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