homework

i need help with this

1

HOMEWORK

2

Total points:

3

2 points, must work individually (PLEASE CHECK THE PLAGIARISM POLICY BEFORE SUBMITTING, NO EXEPTIONS)

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1) Watch the following video

and THEN answer the following questions.

a) According to the video, what are the three main functions of the presentation layer (mention and briefly explain each (1.

5

points)

b) How the video presents the difference between

TCP

and

UDP

? (1.5 points)

c) Which layer oversees providing connection within the SAME network and which one oversees providing connection among different networks? Briefly explain, which PDU units are involved in the connection of each layer? How the addresses are called in each of these two layers? (2 points)

d) Fill the following table as the example in level

4

(4 points) You might want to use the internet to research some of the few characteristics of each protocol chosen

OSI LAYER	Mention TWO protocols in EACH level	Explain briefly each protocol What does the protocol does (i.e. in about 20 words)
1
2
3
4	UDP	Connectionless protocol, non-reliable, provides less checking, no retransmissions, use for most sites in the internet, use packets
TCP	Reliable protocol, Connection oriented, uses packets, provides assurance of the connection, used when reliability is important, uses thee way handshake
5
6
7

READ the PP presentation (D2L) “THE OSI model” and then answer the following questions (When a video is called use the video + the PP presentation)

2) Watch the following video

a) What are the three deciding factors when considering what layer 2 protocol implement? (1.5 points)

b) What are the four steps in processing a frame? (1 point)

c) When a FRAME is sent from switch to Switch errors at checked at each ____________. (0.5 points)

d) The OSI layer 2, can be subdivided in Two sub levels. Which are this sub levels? (by name) provide at least three functions on each of these sub levels (1 point)

e) The method of control the shared media depends on (explain) (1 point)

f) What the two basic methods for sharing the media (explain and give two examples of each) (1 point)

3) Summarize the following videos in 200 to 250 words each (Use your own words, please review the plagiarism police carefully, a zero will be assigned if you don’t use your own words and/or directly copy from another source. Excessive quotation will be penalized too)

(1.5 points)

(1.5 points)

Be sure the summaries are in separate sections, so I can CLEARLY now which summary belongs to each video, otherwise NO credit will be given.

4) Find out what is

a) The IPV4 and/or IPV6 address of your computer (0.5 points)

b) The MAC address of your computer (0.5 points)

Please Insert a JPG or JIF or similar format (insert that in this document) or NO credit

5) Briefly explain FIVE functions (hint “Stuff done in layer 1”) performed at the OSI level 1 (2.5 points)

6) Summarize the following video in about 250 words (your own words)

(3 Points)

7) Explain the following terms (Use PP presentation Intro to telecom and Web references if necessary

a) DCE (provide examples) (1 point)

b) DTE (provide examples) (1 point)

c) Clock (related to telecommunications) and how is calculated(derived) in a serial connection (1 point)

8) Watch The following video and explain it in your OWN words (recording the presenter word’s directly is also plagiarism, …again use your own words) (3 points)

9) Summarize the following video in about 250 words