UMUC Asia - CMIS435 - Computer Networking
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#contents
//** Week 1 Introduction
//
//Hello everyone, my name is Yuji Shimojo and I'm 27. I a...
** Week 1 Discussion [#v549f4bc]
- Question
''How do you connect?''
I connect to the internet via a DSL connection. Actually,...
Please answer the following questions:
-- How are you connecting to the internet?
-- Include in the description the media or wire.
-- Include in the description how quick the connection is...
''Protocol Layers''
Think about what is happening as you are accessing this c...
Please answer the following questions:
-- How many different link layers do you think the people...
-- Since we are all interacting did you notice the differ...
-- If not why not?
- Answer
''How do you connect?''
-- How are you connecting to the internet?
At my home, I connect to the internet via a FTTH connecti...
-- Include in the description the media or wire.
In addition to an Ethernet connection, I also have a wire...
In my room on the second floor, since the wireless connec...
-- Include in the description how quick the connection is...
Actually, the power line connection becomes sometimes uns...
''Protocol Layers''
-- How many different link layers do you think the people...
After I saw classmates' posts, each classmate seems to ha...
-- Since we are all interacting did you notice the differ...
No, I did not. Because the internet uses TCP/IP that is a...
** Week 1 Homework 1 [#uc115f2f]
- Question
1) What layers in the protocol stack (both logically and ...
2) What might a protocol frame from a Web Browser session...
is ethernet. You do not need to describe the fields insid...
3) I can change a link layer protocol and the application...
- Answer
#ref(CMIS435_Homework1.pdf)
- Instructor Feedback
1) Logically will talk with the remote HTTP layer. Physi...
2) ethernet header | IP header | TCP Header |HTTP Header ...
** Week 2 Discussion [#z1184c2f]
- Question
''Introduction''
The Communications field is just as active as the rest of...
Knowing these properties will allow you to understand all...
Fundamental to communications is the fact that signals ne...
For this week let’s spend some time exploring media and t...
Activity 1 - Signal Example
Often times when a book shows a bit pattern traveling dow...
But this is not how a signal really looks as it travels d...
Please answer the following questions:
+ Looking at the illustrations what do they tell you abou...
+ If I tell you that clocks can drift over time what does...
+ What is the effect at higher transmission rates when th...
Activity 2 - Attenuation
Consider what happens when you bounce a ball towards some...
** Week 2 Homework 2 [#o374d94d]
- Question
1) If you have 20 stations all connected to the same wire...
2) Wiring specifications for a protocol such as Ethernet ...
3) What transmission impairment(s) are improved when movi...
- Answer
#ref(CMIS435_Homework2.pdf)
- Instructor Feedback
1) TDM…. Time division multiplexing. Digital transmission...
3) In addition to noise... coax helps attenuation.
** Week 3 Discussion: Introduction - Data Link Layer [#d3...
- Question
''Overview''
This week we are going to talk about asynchronous and syn...
I like the OSI stack because it provides a structured way...
So… to begin the story. To have networking you have to be...
We will have 3 activities… one is related to error detect...
''Activity 1 - Asynchronous Error Control''
Asynchronous transmission has a very simple error detecti...
Please answer the following questions:
-- Given the following 7 bits 1011000. What is the parity...
-- Given the following 7 bits 1111000. What is the parity...
-- What types of errors will this catch and what kinds wi...
''Activity 2 - Sliding Windows''
The sliding windows protocol is critical to understand. I...
Using the Fi and RRi notation below illustrate the transf...
A small example (window size of 2 where F is a frame and ...
----F0----->
----F1----->
<---RR2-----
----F2--->
''Activity 3 - SAP and Fan in/out''
At some point you might look at the layers and register t...
-- What purpose does the SAP play in this discussion?
-- Do you think there are other Fan out mechanisms at oth...
- My Answer
''Activity 1 - Asynchronous Error Control''
-- Given the following 7 bits 1011000. What is the parity...
''The parity bit is 0 if even parity. So the given bits i...
-- Given the following 7 bits 1111000. What is the parity...
The parity bit is 1 if odd parity. So the given bits incl...
-- What types of errors will this catch and what kinds wi...
Errors of odd bits such as a 1 bit error will catch by th...
''Activity 2 - Sliding Windows''
-- Using the Fi and RRi notation below illustrate the tra...
----F0----->
----F1----->
----F2----->
----F3----->
<---RR4-----
----F4----->
----F5----->
----F6----->
----F7----->
<---RR4-----
----F8----->
----F9----->
----F10---->
----F11---->
<---RR4-----
----F12---->
----F13---->
<---RR2-----
''Activity 3 - SAP and Fan in/out''
-- What purpose does the SAP play in this discussion?
Service access ports are ports to identify the network la...
- Classmate's comment #1
I believe the 1011000 should have the parity bit of 1 bec...
- Classmate's comment #2
With the first one....
The parity bit is 1 if even parity. So the given bits inc...
With the sliding windows example.... the number with the ...
so it would be....
----F0----->
----F1----->
----F2----->
----F3----->
<---RR4-----
----F4----->
----F5----->
----F6----->
----F7----->
<---RR8-----
----F8----->
----F9----->
----F10---->
----F11---->
<---RR12-----
----F12---->
----F13---->
<---RR14-----
** Week 3 Homework 3 [#zebd1fb0]
- Question
1) Using the Fi and RRi notation illustrate the transfer ...
2) Is it possible for a PC to run multiple network layer ...
3) Why do we use parity bits and CRC checks? What purpos...
- Answer
#ref(CMIS435_Homework3.pdf)
- Instructor Feedback
1) RR has the number of the next expected packet....
----F0 ---->
----F1---->
----F2---->
<---RR3---
----F3 ---->
----F4---->
----F5---->
<---RR6---
2) Multiple network protocols can share the same link lay...
** Week 4 Discussion: Introduction - Topologies, Virtual ...
- Question
''Overview''
In this section we are going to start looking at Topologi...
To explore Topologies and Virtual Networks we will look a...
I want you to think back to the physical layer classes fo...
Ethernet’s Media Access Control (MAC) method is CSMA/CD o...
The non-deterministic feature of Ethernet’s CSMA/CD is a ...
To explore Virtual Networks I want you to consider that t...
With Activity 3 we will support Wireless networks. Wirele...
''Activity 1 - Topologies''
Ethernet is by far the most popular LAN architecture. It ...
CSMA/CD is not an effective MAC for handling latency into...
''Activity 2 - VLANs''
CSMA/CD is a simple and cost effective MAC. It works. But...
What mechanism was added to Ethernet to support segmentat...
Could this work over the older non-switch wiring method (...
''Activity 3 - Wireless''
Wireless Access standards like 802.11x also have to share...
Recall that with Ethernet stations are all on the same wi...
Can you think why a wireless standard like 802.11x has to...
** Week 4 Homework 4 [#t3e5b82f]
- Question
1) How did the Ethernet standard evolve to be able to sup...
2) What aspect of Ethernet can be a problem for security?...
3) Compare and contrast CSMA/CD and CSMA/CA.
- Answer
#ref(CMIS435_Homework4.pdf)
- Instructor Feedback
1) to be more specific....
It moved from a bus topology to a star wired switch topol...
2) VLANs....
3) More detail...
Used for wireless where collision detection is not possib...
Stations listen to hear if media is idle. If it is go ahe...
** Week 5 Discussion: TCP/IP, Network Layer, Routing [#ad...
- Question
''Overview''
In this section we are going to move up the stack to the ...
For the Network Layer we will explore the dominant networ...
''Activity 1 - Addressing''
I want to explore the IP protocol. There are a couple of ...
If I am a business with 500 people and I just signed up f...
''Activity 2 - Virtual Network''
Why would I say that IP creates a virtual Network? What a...
''Activity 3 - Routing''
Let’s look at a conceptual network that has some costs as...
What is the least cost path for communications between po...
What path has the minimum amount of hops?
- D - - - E - - - - F - -
- - -
- - -
A - - - - - - G - - - - - - - - Z
- -
- -
H - - - - - - - - I - -
Link Cost
A - D - 2
D - E - 7
E - F - 1
F - Z - 3
A - G - 8
E - G - 1
G - Z - 7
A - H - 6
H - I - 4
I - Z - 2
- Answer
''Activity 1 - Addressing''
If you want to have 500 network addresses, you need a cla...
''Activity 2 - Virtual Network''
While typical MAC addresses are composed of 24-bit OUIs a...
''Activity 3 - Routing''
The least cost path for communications between A and Z is...
** Week 5 Homework 5 [#d29aa848]
- Question
1) Since the IP protocol is connectionless what will I no...
2) The IP network is a virtual network and must rely on a...
3) Given the following circuit diagram and the cost for e...
What is the least cost path for communications between po...
What path has the minimum amount of hops?
- D - - - - E - - - - F -
- - -
- - -
A - - - - - - G - - - - - - - - Z
- -
- -
H - - - - - - - - I - -
Link Cost
A - D - 2
D - E - 3
E - F - 6
F - Z - 3
A - G - 8
E - G - 1
G - Z - 4
A - H - 6
H - I - 4
I - Z - 2
- Answer
#ref(CMIS435_Homework5.pdf)
- Instructor Feedback
2) Also Fragmentation and Reassembly.
** Week 6 Discussion: Transport Layer [#p72d22fe]
- Question
''Overview''
In this section we are going to move up the stack to the ...
We will be looking at two Transport layer protocols - Use...
Over the last 15 years these two protocols along with IP ...
''Activity 1 - Multiplexing''
I want to explore the interface between the UDP/TCP layer...
Let’s use the postal service as an analogy. Please answe...
-- When I address a letter for someone what part of the a...
-- What part of the address do they not care about?
-- Who needs the unneeded part of the address and why?
''Activity 2 - User Datagram Protocol (UDP)''
I feel bad for UDP. It is almost never mentioned and TCP ...
If I tell you UDP provides a connectionless service can y...
-- What would you not see in the UDP packet header?
-- Why would I use UDP if I have TCP available?
''Activity 3 - TCP Aspects ''
TCP is complex and for good reason. You have to admire a ...
-- What aspects of the TCP design promotes stability in t...
-- How do these aspects effect the real time services suc...
- Answer
''Activity 1 - Multiplexing''
-- When I address a letter for someone what part of the a...
The mailman needs to get the letter to the destination is...
-- What part of the address do they not care about?
The mailman doesn't care about states and zip codes. Befo...
-- Who needs the unneeded part of the address and why?
People at sectional center facilities (SCFs) and network ...
''Activity 2 - User Datagram Protocol (UDP)''
-- What would you not see in the UDP packet header?
Since UDP is a connectionless protocol, a UDP packet head...
-- Why would I use UDP if I have TCP available?
Because TCP is a connection oriented protocol, its data t...
''Activity 3 - TCP Aspects''
-- What aspects of the TCP design promotes stability in t...
When using TCP, the client and the server exchange meta i...
-- How do these aspects effect the real time services suc...
TCP's connection oriented mechanism would lower the immed...
** Week 6 Homework 6 [#tb0f1629]
- Question
1) Compare and contrast TCP and UDP.
2) Since TCP is a connection oriented protocol what would...
3) What mechanism in TCP allows a user to run multiple br...
- Answer
#ref(CMIS435_Homework6.pdf)
** Week 7 Discussion: Application Layer [#ia313e75]
- Question
''Overview''
In this section we are going to move up to the stack to t...
The application layer is a layer of network enabled servi...
Recall from the first class that in a layered protocol st...
''Activity 1 - HTTP''
Look at the sample exchange in the 24x7 book readings und...
-- Would you consider HTTP a protocol? Why? What layer in...
-- Now that we have seen all the layers can you give me a...
''Activity 2 - DNS''
For this activity we are going to use the Web Browser to ...
For this activity please execute the following steps:
-- I want you to go to my web page. Enter in the location...
-- When the page finishes displaying go back to the previ...
Please answer the following questions:
-- What are the funny numbers in the second address: "54....
-- Did you know what machine my web page was located on? ...
-- Using the web browser as an example how is location tr...
-- Does the 2nd address give you location transparency?
- Answer
** Week 8 Final Project [#mec992c0]
- Question
''Introduction''
A project will be assigned according to the schedule belo...
There are two main goals for this project. The first goal...
''Description''
The project will consist of a 10-page project paper. The ...
Supporting diagrams or pictures are welcome, but they do ...
The project will be a subset of a network design that sti...
You will write the paper from the point of view of a netw...
''Problem 1''
I am sitting in front of my Intel PC, which is running a ...
You will hook my PC up to some broadband access method. Y...
The three approved solutions for this problem are cable T...
''Problem 2''
I want to set up an Ethernet LAN for my small office of 1...
For either problem, your design should include the link f...
You will have to research one of these solutions and then...
For the cable, wireless, or LAN solutions, you will have ...
These terms will become clearer as the course advances. F...
''Project Grading''
The project paper will be graded on the following elements:
-- introduction (10%)
-- overall design or high-level description (20%)
-- hardware (10%)
-- transmission media (10%)
-- protocol description (10%)
-- lessons learned (10%)
-- grammar/syntax and length (20%)
-- references (10%)
Submitted papers that show evidence of plagiarism will be...
There should be no spelling or grammatical mistakes; the ...
- Answer
#ref(CMIS435_FinalProject.pdf)
- Instructor Feedback
You were just suppose to pick one of the two for the fina...
-- introduction (10%)
-- overall design or high-level description (20%)
-- hardware (10%)
-- transmission media (10%)
-- protocol description (10%)
-- lessons learned (10%)
-- grammar/syntax and length (20%)
-- references (10%)
Neither gave a deep dive so it is hard to grade... but I ...
** Week 8 Discussion: Lessons Learned [#zbdae92d]
- Question
What topics in this course did you find the most interest...
- Answer
In this class, what I have learned most is about layer 2 ...
Through other Computer Science classes I took in the past...
The same is equally true of computer networking by data e...
With the IT infrastructure becoming more abstract by the ...
終了行:
#contents
//** Week 1 Introduction
//
//Hello everyone, my name is Yuji Shimojo and I'm 27. I a...
** Week 1 Discussion [#v549f4bc]
- Question
''How do you connect?''
I connect to the internet via a DSL connection. Actually,...
Please answer the following questions:
-- How are you connecting to the internet?
-- Include in the description the media or wire.
-- Include in the description how quick the connection is...
''Protocol Layers''
Think about what is happening as you are accessing this c...
Please answer the following questions:
-- How many different link layers do you think the people...
-- Since we are all interacting did you notice the differ...
-- If not why not?
- Answer
''How do you connect?''
-- How are you connecting to the internet?
At my home, I connect to the internet via a FTTH connecti...
-- Include in the description the media or wire.
In addition to an Ethernet connection, I also have a wire...
In my room on the second floor, since the wireless connec...
-- Include in the description how quick the connection is...
Actually, the power line connection becomes sometimes uns...
''Protocol Layers''
-- How many different link layers do you think the people...
After I saw classmates' posts, each classmate seems to ha...
-- Since we are all interacting did you notice the differ...
No, I did not. Because the internet uses TCP/IP that is a...
** Week 1 Homework 1 [#uc115f2f]
- Question
1) What layers in the protocol stack (both logically and ...
2) What might a protocol frame from a Web Browser session...
is ethernet. You do not need to describe the fields insid...
3) I can change a link layer protocol and the application...
- Answer
#ref(CMIS435_Homework1.pdf)
- Instructor Feedback
1) Logically will talk with the remote HTTP layer. Physi...
2) ethernet header | IP header | TCP Header |HTTP Header ...
** Week 2 Discussion [#z1184c2f]
- Question
''Introduction''
The Communications field is just as active as the rest of...
Knowing these properties will allow you to understand all...
Fundamental to communications is the fact that signals ne...
For this week let’s spend some time exploring media and t...
Activity 1 - Signal Example
Often times when a book shows a bit pattern traveling dow...
But this is not how a signal really looks as it travels d...
Please answer the following questions:
+ Looking at the illustrations what do they tell you abou...
+ If I tell you that clocks can drift over time what does...
+ What is the effect at higher transmission rates when th...
Activity 2 - Attenuation
Consider what happens when you bounce a ball towards some...
** Week 2 Homework 2 [#o374d94d]
- Question
1) If you have 20 stations all connected to the same wire...
2) Wiring specifications for a protocol such as Ethernet ...
3) What transmission impairment(s) are improved when movi...
- Answer
#ref(CMIS435_Homework2.pdf)
- Instructor Feedback
1) TDM…. Time division multiplexing. Digital transmission...
3) In addition to noise... coax helps attenuation.
** Week 3 Discussion: Introduction - Data Link Layer [#d3...
- Question
''Overview''
This week we are going to talk about asynchronous and syn...
I like the OSI stack because it provides a structured way...
So… to begin the story. To have networking you have to be...
We will have 3 activities… one is related to error detect...
''Activity 1 - Asynchronous Error Control''
Asynchronous transmission has a very simple error detecti...
Please answer the following questions:
-- Given the following 7 bits 1011000. What is the parity...
-- Given the following 7 bits 1111000. What is the parity...
-- What types of errors will this catch and what kinds wi...
''Activity 2 - Sliding Windows''
The sliding windows protocol is critical to understand. I...
Using the Fi and RRi notation below illustrate the transf...
A small example (window size of 2 where F is a frame and ...
----F0----->
----F1----->
<---RR2-----
----F2--->
''Activity 3 - SAP and Fan in/out''
At some point you might look at the layers and register t...
-- What purpose does the SAP play in this discussion?
-- Do you think there are other Fan out mechanisms at oth...
- My Answer
''Activity 1 - Asynchronous Error Control''
-- Given the following 7 bits 1011000. What is the parity...
''The parity bit is 0 if even parity. So the given bits i...
-- Given the following 7 bits 1111000. What is the parity...
The parity bit is 1 if odd parity. So the given bits incl...
-- What types of errors will this catch and what kinds wi...
Errors of odd bits such as a 1 bit error will catch by th...
''Activity 2 - Sliding Windows''
-- Using the Fi and RRi notation below illustrate the tra...
----F0----->
----F1----->
----F2----->
----F3----->
<---RR4-----
----F4----->
----F5----->
----F6----->
----F7----->
<---RR4-----
----F8----->
----F9----->
----F10---->
----F11---->
<---RR4-----
----F12---->
----F13---->
<---RR2-----
''Activity 3 - SAP and Fan in/out''
-- What purpose does the SAP play in this discussion?
Service access ports are ports to identify the network la...
- Classmate's comment #1
I believe the 1011000 should have the parity bit of 1 bec...
- Classmate's comment #2
With the first one....
The parity bit is 1 if even parity. So the given bits inc...
With the sliding windows example.... the number with the ...
so it would be....
----F0----->
----F1----->
----F2----->
----F3----->
<---RR4-----
----F4----->
----F5----->
----F6----->
----F7----->
<---RR8-----
----F8----->
----F9----->
----F10---->
----F11---->
<---RR12-----
----F12---->
----F13---->
<---RR14-----
** Week 3 Homework 3 [#zebd1fb0]
- Question
1) Using the Fi and RRi notation illustrate the transfer ...
2) Is it possible for a PC to run multiple network layer ...
3) Why do we use parity bits and CRC checks? What purpos...
- Answer
#ref(CMIS435_Homework3.pdf)
- Instructor Feedback
1) RR has the number of the next expected packet....
----F0 ---->
----F1---->
----F2---->
<---RR3---
----F3 ---->
----F4---->
----F5---->
<---RR6---
2) Multiple network protocols can share the same link lay...
** Week 4 Discussion: Introduction - Topologies, Virtual ...
- Question
''Overview''
In this section we are going to start looking at Topologi...
To explore Topologies and Virtual Networks we will look a...
I want you to think back to the physical layer classes fo...
Ethernet’s Media Access Control (MAC) method is CSMA/CD o...
The non-deterministic feature of Ethernet’s CSMA/CD is a ...
To explore Virtual Networks I want you to consider that t...
With Activity 3 we will support Wireless networks. Wirele...
''Activity 1 - Topologies''
Ethernet is by far the most popular LAN architecture. It ...
CSMA/CD is not an effective MAC for handling latency into...
''Activity 2 - VLANs''
CSMA/CD is a simple and cost effective MAC. It works. But...
What mechanism was added to Ethernet to support segmentat...
Could this work over the older non-switch wiring method (...
''Activity 3 - Wireless''
Wireless Access standards like 802.11x also have to share...
Recall that with Ethernet stations are all on the same wi...
Can you think why a wireless standard like 802.11x has to...
** Week 4 Homework 4 [#t3e5b82f]
- Question
1) How did the Ethernet standard evolve to be able to sup...
2) What aspect of Ethernet can be a problem for security?...
3) Compare and contrast CSMA/CD and CSMA/CA.
- Answer
#ref(CMIS435_Homework4.pdf)
- Instructor Feedback
1) to be more specific....
It moved from a bus topology to a star wired switch topol...
2) VLANs....
3) More detail...
Used for wireless where collision detection is not possib...
Stations listen to hear if media is idle. If it is go ahe...
** Week 5 Discussion: TCP/IP, Network Layer, Routing [#ad...
- Question
''Overview''
In this section we are going to move up the stack to the ...
For the Network Layer we will explore the dominant networ...
''Activity 1 - Addressing''
I want to explore the IP protocol. There are a couple of ...
If I am a business with 500 people and I just signed up f...
''Activity 2 - Virtual Network''
Why would I say that IP creates a virtual Network? What a...
''Activity 3 - Routing''
Let’s look at a conceptual network that has some costs as...
What is the least cost path for communications between po...
What path has the minimum amount of hops?
- D - - - E - - - - F - -
- - -
- - -
A - - - - - - G - - - - - - - - Z
- -
- -
H - - - - - - - - I - -
Link Cost
A - D - 2
D - E - 7
E - F - 1
F - Z - 3
A - G - 8
E - G - 1
G - Z - 7
A - H - 6
H - I - 4
I - Z - 2
- Answer
''Activity 1 - Addressing''
If you want to have 500 network addresses, you need a cla...
''Activity 2 - Virtual Network''
While typical MAC addresses are composed of 24-bit OUIs a...
''Activity 3 - Routing''
The least cost path for communications between A and Z is...
** Week 5 Homework 5 [#d29aa848]
- Question
1) Since the IP protocol is connectionless what will I no...
2) The IP network is a virtual network and must rely on a...
3) Given the following circuit diagram and the cost for e...
What is the least cost path for communications between po...
What path has the minimum amount of hops?
- D - - - - E - - - - F -
- - -
- - -
A - - - - - - G - - - - - - - - Z
- -
- -
H - - - - - - - - I - -
Link Cost
A - D - 2
D - E - 3
E - F - 6
F - Z - 3
A - G - 8
E - G - 1
G - Z - 4
A - H - 6
H - I - 4
I - Z - 2
- Answer
#ref(CMIS435_Homework5.pdf)
- Instructor Feedback
2) Also Fragmentation and Reassembly.
** Week 6 Discussion: Transport Layer [#p72d22fe]
- Question
''Overview''
In this section we are going to move up the stack to the ...
We will be looking at two Transport layer protocols - Use...
Over the last 15 years these two protocols along with IP ...
''Activity 1 - Multiplexing''
I want to explore the interface between the UDP/TCP layer...
Let’s use the postal service as an analogy. Please answe...
-- When I address a letter for someone what part of the a...
-- What part of the address do they not care about?
-- Who needs the unneeded part of the address and why?
''Activity 2 - User Datagram Protocol (UDP)''
I feel bad for UDP. It is almost never mentioned and TCP ...
If I tell you UDP provides a connectionless service can y...
-- What would you not see in the UDP packet header?
-- Why would I use UDP if I have TCP available?
''Activity 3 - TCP Aspects ''
TCP is complex and for good reason. You have to admire a ...
-- What aspects of the TCP design promotes stability in t...
-- How do these aspects effect the real time services suc...
- Answer
''Activity 1 - Multiplexing''
-- When I address a letter for someone what part of the a...
The mailman needs to get the letter to the destination is...
-- What part of the address do they not care about?
The mailman doesn't care about states and zip codes. Befo...
-- Who needs the unneeded part of the address and why?
People at sectional center facilities (SCFs) and network ...
''Activity 2 - User Datagram Protocol (UDP)''
-- What would you not see in the UDP packet header?
Since UDP is a connectionless protocol, a UDP packet head...
-- Why would I use UDP if I have TCP available?
Because TCP is a connection oriented protocol, its data t...
''Activity 3 - TCP Aspects''
-- What aspects of the TCP design promotes stability in t...
When using TCP, the client and the server exchange meta i...
-- How do these aspects effect the real time services suc...
TCP's connection oriented mechanism would lower the immed...
** Week 6 Homework 6 [#tb0f1629]
- Question
1) Compare and contrast TCP and UDP.
2) Since TCP is a connection oriented protocol what would...
3) What mechanism in TCP allows a user to run multiple br...
- Answer
#ref(CMIS435_Homework6.pdf)
** Week 7 Discussion: Application Layer [#ia313e75]
- Question
''Overview''
In this section we are going to move up to the stack to t...
The application layer is a layer of network enabled servi...
Recall from the first class that in a layered protocol st...
''Activity 1 - HTTP''
Look at the sample exchange in the 24x7 book readings und...
-- Would you consider HTTP a protocol? Why? What layer in...
-- Now that we have seen all the layers can you give me a...
''Activity 2 - DNS''
For this activity we are going to use the Web Browser to ...
For this activity please execute the following steps:
-- I want you to go to my web page. Enter in the location...
-- When the page finishes displaying go back to the previ...
Please answer the following questions:
-- What are the funny numbers in the second address: "54....
-- Did you know what machine my web page was located on? ...
-- Using the web browser as an example how is location tr...
-- Does the 2nd address give you location transparency?
- Answer
** Week 8 Final Project [#mec992c0]
- Question
''Introduction''
A project will be assigned according to the schedule belo...
There are two main goals for this project. The first goal...
''Description''
The project will consist of a 10-page project paper. The ...
Supporting diagrams or pictures are welcome, but they do ...
The project will be a subset of a network design that sti...
You will write the paper from the point of view of a netw...
''Problem 1''
I am sitting in front of my Intel PC, which is running a ...
You will hook my PC up to some broadband access method. Y...
The three approved solutions for this problem are cable T...
''Problem 2''
I want to set up an Ethernet LAN for my small office of 1...
For either problem, your design should include the link f...
You will have to research one of these solutions and then...
For the cable, wireless, or LAN solutions, you will have ...
These terms will become clearer as the course advances. F...
''Project Grading''
The project paper will be graded on the following elements:
-- introduction (10%)
-- overall design or high-level description (20%)
-- hardware (10%)
-- transmission media (10%)
-- protocol description (10%)
-- lessons learned (10%)
-- grammar/syntax and length (20%)
-- references (10%)
Submitted papers that show evidence of plagiarism will be...
There should be no spelling or grammatical mistakes; the ...
- Answer
#ref(CMIS435_FinalProject.pdf)
- Instructor Feedback
You were just suppose to pick one of the two for the fina...
-- introduction (10%)
-- overall design or high-level description (20%)
-- hardware (10%)
-- transmission media (10%)
-- protocol description (10%)
-- lessons learned (10%)
-- grammar/syntax and length (20%)
-- references (10%)
Neither gave a deep dive so it is hard to grade... but I ...
** Week 8 Discussion: Lessons Learned [#zbdae92d]
- Question
What topics in this course did you find the most interest...
- Answer
In this class, what I have learned most is about layer 2 ...
Through other Computer Science classes I took in the past...
The same is equally true of computer networking by data e...
With the IT infrastructure becoming more abstract by the ...
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