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Problem:
(a) Application Layer protocols can be classified as connection-oriented or connectionless-oriented.
i. What do you understand by the term protocol? ii. Give an example of one connection-oriented application layer protocol and one connectionless-oriented application layer. iii. Describe how each above-mentioned protocol work by providing as much information about application messages, port numbers, etc...
(b) Describe essential security services and the mechanisms used to enforce those three services.
(c) Given the following received codeword C and the generator polynomial G. Determine if an error has taken place during transmission.
You should show your work and not reply merely Yes or No.
C: 110011001 G: x3 + 1
Authoritative DNS Servers Every organization with publicly accessible hosts ( such as web server and mail several on the internet must provide publicly accessible D
Can you define Data link Layer?
Multicast Routing Protocols Multicast group addresses are assigned by IANA [Internet Assigned Numbers Authority for well known services and protocols. Information is exchang
Explain everything you can tell from the following: a. 00-01-00-01-13-FD-F4-C0-00-1E-33-92-CE-99 b. fe80::2c1e:18af:749b:91c5%12 c. 2002:8b64:6e3a::8b64:6e3a d. ::0
Define the tasks for which SNS is used SNA can be used for the following types of tasks: - Terminal access to mainframe and midrange computer applications. - File trans
Which layer is responsible for routing by an internetwork Ans) The Network layer is responsible for routing. This is the primary job of routers, which handle at the Network laye
Consider a simple wireless data link using channel bandwidth of 40 kHz. The transmit power level is 20 dBm, the link attenuation is 40 dB and the SNRdB at the receiver is 20 dB.
How do we control USB by a network?
What is a DNS resource record? A resource record is an entry in a name server's database. There are various types of resource records used, containing name-to-address resolutio
A mobile host (MH) is connected to a WLAN access network that uses MIP for mobility support. Consider that the RTTs between MH and HA are 0.3s while RTTs within a L2 subnet are 80
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