Lab 1.7.1 Reflection

 In lab 1.7.1 I learned a good set of interesting skills. Not only does packet tracer give me a virtual understanding of how to physically set up routers, switches, and servers. Not only was i supplied with a addressing table on how to configure  all the devices, but i would also be able to probably build on my self using a similar concept.  In packet tracer when putting devices on the screen you able to see that device's configuration. Packet Tracer also gives a wide variety  of different devices that you can add to the network.  There are so many ways of configuring theses devices that i'm pretty sure it can give you an understanding of any network out there. THe greatest thing that i learned is how complex a network can be, and also the number of possible things that can go wrong in a network from physical to virtual.

Second Marking Period Reflection

I am currently doing worst according to my GPA I am currently doing worst but not by that much. It says that i have a missing lab, but i am going to double check my folders to see if i handed it in because i am extraordinarily sure that i did lab 4.5.2. One way in which i can also boost my grade up is by participating more. To get my grade up as high as possible is by passing all the incoming work with flying colors until the end of the marking period. Victory Lies in preparation.

Cisco Website User Agreement

16 Policy Point:

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Some benefits that given to students are Course Completion Certificate, Congratulatory Letter, Alumni Connection, Cisco Certification Discounts.

The Quality Assurance Plan is something that incorporates effective program evaluation strategies. Including data collection that examines achievement, customer satisfaction, classroom observation etc.

Group Lab On Rack

During the lab on where we had to mount servers, routers etc. on the rack there a couple a things that didn't go so well. One of the biggest flaws was that their was a lack of leadership. I'm pretty sure that if someone took charge and gave correct orders to everyone else in the group things would of went much more smoothly. But also a lot more work could have been done. Still work was done and other devices were installed on the rack. One thing that went right was that everyone had a good understanding of how to plug-in devices on the rack, but the lack of leadership to take charge and monitor how everyone was doing and give good instructions again was the biggest flaw.

What is UDP and how does it help the transport layer?

UDP stands for User Datagram Protocol. The UDP is similar to the TCP(Transmission Control Protocol) where it runs on top of the IP networks.  The way in which this protocol helps out the transport layer in doing its purpose is that it has the advantage of  providing for low overhead data delivery. the communication pieces when using the UDP is called datagrams. It makes the transport layers job much more easier since it has no connection establishment. Meaning does less steps than for example the TCP and transfers data much quicker. As a result, of transferring data much quicker it is a lot faster and makes the transport layers job run much more smoothly.

DHCP

DHCP(Dynamic Host Configuration Protocol) is a protocol for assigning IP addresses to a device on the network. The way it works is that the client sends a broadcast request looking for a DHCP server to answer. the router then sends the message to the correct DHCP server. After that the server sends a request packet to let the server know that it is going to use the selected address. The final step is that the server sends a ACK (Acknowledgment Code) packet to the server to tell it that the client has been given an address for a certain period of time.

P2P, and Client/Server Network Models

One of the pros of a Peer to Peer network is that it is that you have is that the client provides resources including bandwidth, storage space etc. When more nodes(connection point)  star to pour in and demand increases the total capacity in other words the scalability. Since p2p is decentralized it increases the robustness and removes the so called "single point of failure". One big disadvantage of p2p is unsecure codes open the opportunity of remote access to files on a persons computer and can screw up the entire network.

The client/server network has a bunch of advantages in its favor. One of the best include centralization. Things like resources, data security, and important business information is all in and controlled by the server. There is also great scalability and flexibility. network elements can be upgraded when needed and any new technology that comes out can be easily added in. All the components for example the client, network, servers etc. all work together. Even though there is a lot of advantages there are still disadvantages. Like if the server goes down all the operations cease and are haulted until fixed. There are also things like network congestion which means that sometimes a link carries a lot of data and depending on the quality of service some problems include packet loss and blocking of other connections.