Data Communication/Networking


1. Who suffered the most
damage from the Target breach?
2. Compare & contrast the different
types of attacks. Which are the most dangerous, the most common, etc.?
3. Compare & contrast
the different types of attackers.   
4. What form of
authentication would you recommend for relatively unimportant resources
Justify your answer.
5. Research the current
ratings of various commercial antivirus and anti-spyware software.  Detail
which you think is the best. 
6. Distinguish between ingress and egress filtering.
7. What is the difference between “transmission speed” and
“latency”?  How do each of these impact the response time a user
8. As a home user of an ISP, write a reasonable SLA
for speed, availability, latency.  Do not just say what each SLA should
include; actually write the SLA as the ISP would write them.
9.A company has offices
in Honolulu, Seattle, Ogden, and Dublin, Ireland. There are transmission links
between Honolulu and Seattle, Seattle and Ogden, and Ogden and Dublin. Seattle
needs to communicate at 1.5 Gbps with each other site. Seattle and Dublin only
need to communicate with each other at 2 Mbps. Ogden and Dublin need to
communicate at 3 Gbps, and Ogden and Seattle need to communicate with each
other at 10 Mbps. How much traffic will each transmission link have to carry?
Show your work.
 10. Explain, in
your own words, the difference between a BSS and an ESS.
11. Detail some of the
problems with signal propagation in WLANs. Compare and contrast them to signal
propagation in Ethernet LANs.
12. In
what two service bands does 802.11 operate? Detail the differences.
 13. Do WLANs today use licensed or unlicensed bands? And
why is this desirable?
14. Describe
what you additional hardware (devices and cables) would be required to update
the network diagrams from two weeks ago to support ten laptops connecting via

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