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1. List five nonproprietary Internet applications and the application-layer protocols that they use.
2. What information is used by a process running on one host to identify a process running on another host?
3. List the four broad classes of services that a transport protocol can provide. For each of the service classes, indicate if either UDP or TCP (or both) pro-vides such a service.
4. Why do HTTP, FTP, SMTP, and POP3 run on top of TCP rather than on UDP?
5. Skype uses P2P techniques for two important functions. What are they?
6. For the client-server application over TCP described in Section 2.7, why must the server program be executed before the client program? For the client-server application over UDP described in Section 2.8, why may the client program be executed before the server program?
Show the result of inserting these keys using linear probing, using quadratic probing with c1 = 1and c2 = 3, and by using double hashing with h2(k) = 1 + (k mod (m-1)).
Describe the network management software components. Side server components, middleware components and northbound interface.
Was Charlie exaggerating when he gave Peter an estimate for the time that would be required to crack the encryption key using a brute force attack?
Explore ways to secure a wireless network and present your findings in a brief report(1 page is fine, more is ok). Talk about your own experiences with using a wireless network, including the things you do to keep the network secure.
Different access methods, such as OFDMA, SDMA, TDMA, CDMA, and FDMA, rely on cross-layer optimization to different degrees. The most common cross-layer issues are scheduling modulation type and setting power control. Complete the following for you..
question 1a list and illustrate seven security concepts.b give explanation of the following eight common threats facing
Design an Ethernet network to connect a single client PC to a single server. The two devices are 410 feet apart. They need to communicate at 800 Mbps.
Analyze the activities involved in troubleshooting Cisco devices, and determine the set of activities that you believe would be the most difficult to manage correctly if troubling shooting routing problems.
In the topology, network S is multi-homed to four providers, i.e., P1, P2, P3 and P4, where P1, P2 and P3 are customers of common provider P while P4 is customer. Now assume D is destination of interest. Determine the possible routing paths to D th..
Explain fully why you chose that solution, why it is of more advantage than the other solutions. Explain what other specific (how high, how much power, etc.) choices you might suggest to increase system performance as measured by received signal ..
cite two examples of a circuit switch and packet switch environment. base one example on a circuit switch and the other
what are protocols and standards when discussing them in the context of an it system? do protocols have to be
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