Compare and contrast how alogical fiber map differs from a physical fiber map
After reviewing the concepts in Ch. 1, “Introduction to Computer Networks,” of Networking Essentials, compare and contrast the TCP/IP network model and the 7-layer OSI network model. When would you use one over the other?
Which model is more important for network analysis?
Discussion Question: Fiber Maps
Compare and contrast how alogical fiber map differs from a physical fiber map as depicted in Figures 3-19 and 3-20 of Ch. 3, “Physical Layer Cabling: Fiber Optics,” of Networking Essentials. Why are both necessary for illustrating the logical and physical layouts of the network? Are they useful for documenting and planning the fiber network?
Discussion Question: Introduction to the OSI Protocol Model Format
After reviewing the concepts, analyze the differences between the TCP/IP protocol model and the 7-layer OSI model. In your assessment, include the common sections that are in both models.
Discussion Question: Networks
What are the 5 things that come to your mind when you hear the term “networks” & why?
Discussion Question: Network Characteristics
What are some of the things/attributes that you expect from a network?
Discussion Question: Introduction to Telecommunications Network Structures
Standards are important in any industry. Discuss the various standards organizations utilized in the telecom & data networking industry. Do they have conflicting charters or have they worked in different areas to form a coordinated industry overview?
Discussion Question:: VOIP vs. POTS
What are some of the tradeoffs one needs to consider when planning on switching over from POTS to VOIP service. Does your organization use POTS or VOIP. If VOIP, please share your organization’s experience on this.
Discussion Question: Introduction to Telecommunications
What are the advantages and disadvantages of the various modulation techniques of analog signals?
Discussion Question: Introduction to Voice Telecommunications
Discuss the history and progression of the voice telecommunications industry. What are the current voice network standards?
Discussion Question: Introduction to Telecommunications Network Structures
Standards are important in any industry. Discuss the various standards organizations utilized in this industry. Do they have conflicting charters or have they worked in different areas to form a coordinated industry overview
Discussion Question: VOIP
What are some considerations an organization should look at when moving from a traditional phone system to VoIP? Explain the impact on an organization when using VoIP.
Discussion Question: ATT Break-up
What effect did the AT&T breakup have on the eventual growth of the digital network we have today?
Discussion Question: ISO
The ISO is the international parent standards organization. What are some lower-level standards organizations? What part of telecommunications are they responsible for?
Discussion Question: PBX vs Centrex
How does a PBX’s method of handling internal calls differ from Centrex service? What does the local exchange carrier provide? What does your company use?
NTC362 Fundamentals of Networking
Week 2 Discussion
Discussion Question: Lab Debrief
Discuss with the class what issues you may have had with the labs you completed in Week One and how you
overcame them. Share what you learned, what to watch for in the future, and if there are any additional questions you
may have that your facilitator can answer.
Discussion Question: Topologies of Computer Systems
Discuss issues that may arise in distributed versus centralized computer systems. What topologies can be used to
best serve a distributed computer system using wireless communication? How can a VLAN help manage the
communication in the network?
Discussion Question: TCPdump
Using the course learning materials, valid internet sources, and related personal experience, research TCPdump. When you run the TCPdump command it will capture all the packets for specified interface, until you hit the cancel
button. Typically this command is used in Linux-based networks. Discuss how to control the amount of traffic you capture and the device you capture it from.
Supporting Activity: Fundamentals of Digital Signals
Discuss the nature of digital signals, binary, and other multilevel signal types. What are the advantages of digital signals over analog signals? Cover noise suppression in your explanation.
Supporting Activity: Transmission Media
In designing a network what are some of the factors that should be considered before selecting the transmission media to use & why?
Supporting Activity: Network Designs
Why is it useful to have both a logical design and a physical design of a network?
Supporting Activity: Wireless Networks
What are the most appropriate uses for wireless? and Why? What are the least appropriate uses for wireless? and Why? Would you recommend a wireless only network solution for large enterprises? Justify your recommendation.
Supporting Activity: Transmission Media Security
Which transmission media is the most secure? and why?
Supporting Activity: Digitization of Analog Signals
Provide a specific example of digitizing analog signals in the telephone system. Explain band limiting and quantization noise. Explain the µ law and the A law conversion in the coder-decoder.
Supporting Activity: Digital Systems and the Digital Hierarchy
Explain digital multiplexing, the digital T(X), and SONET hierarchy. Explain the differences between the American and European systems.
Supporting Activity: Digital Services
Explain digital services such as Integrated Services Digital Network, Switched Multimegabit Data System, and Switch 56.
Supporting Activity: Introduction to Modems
What are the various modulation techniques? Begin your explanation with frequency-shift keying and move to multilevel QAM.
Supporting Activity: Voice and Data Network
What are some of the challenges being faced by organizations when they implement voice and data into a network?
Supporting Activity: Ubiquitous integration challenges
Organizations today are attempting to integrate voice, data, e-mail, and collaboration software. What are some things they should considerate when they do this?
Supporting Activity: Mediums
Explain the differences between, UTP, STP, Coax, Wireless and Fiber. (speeds, cost, types, when you would use one verses the other).
Supporting Activity: Asynch Vs. Synch
How do asynchronous and synchronous transmissions differ? Which is better suited to large blocks of data, and why?
NTC362 Fundamentals of Networking
Week 3 Discussion
Discussion Question: Switches and Routers
Using the course learning materials, valid internet sources, and related personal experience, research the advantages and disadvantages of routers and switches in a LAN. Discuss specific situations when you would use a switch versus a router and how each can address such issues as response time, jitter, and latency.
Discussion Question: Advantages/Disadvantages of the Cloud
Discussion Question: Router and/or Switch Commands
Supporting Activity: Introduction to Circuit Switching
What are the basic concepts of circuit switching? What are the advantages and disadvantages of circuit switching?
Supporting Activity:TCP/IP vs OSI Protocol Stacks
Pictorially model the TCP/IP protocol against the 7-layer OSI model.
In your depiction, include the common protocols that fit in the various levels
Supporting Activity: TCP vs. UDP Layer 4 Protocols
What is the difference between UDP and TCP? When would you use one over the other?
Supporting Activity: Connectionless vs. Connection Oriented packet networks
What are some of the advantages & disadvantages of connection oriented networks over connectionless networks? Give one example of each.
Supporting Activity: LAN vs. WAN
How do LANs and WANs compare in terms of reach, bandwidth, complexity, scalability and reliability? Justify your answer?
Supporting Activity: Introduction to Packet Switching
What is a packet? What is packet switching? How would you explain the concept of packet switching? What are the advantages and disadvantages of packet switching over circuit switching? What is a packet?
Supporting Activity: Introduction to Network Channels, Processors, and Media
What are the advantages and disadvantages of network processors, such as hubs, switches, routers, and gateways? What are the three main types of network media? What is their performance in terms of reliability, speed capabilities, and nominal distance for reliable spans?
Supporting Activity: Centralized Vs. Distributed Control
What is the difference between a centralized and a distributed control of LANS? What are the advantages and disadvantages of each? Which does your company employ? Why?
Supporting Activity: VCs what are they?
What is a virtual Circuit in a packet switched network? What types of VC are available and how are they different? Why is it beneficial to use VCs?
Supporting Activity: TCP/IP 4 Vs. 6
Describe the difference between TCP/IP V4 and V6. What happened to V5?
Supporting Activity: What is CIDR
Define what CIDR means and how it works.
Supporting Activity: Network Congestion
What are some methods to resolve network congestion? Determine what the traffic is.
Supporting Activity: Introduction to Network Channels, Processors, and Media
What are the advantages and disadvantages of network processors, such as hubs, switches, routers, and gateways? What are the three main types of network media? What is their performance in terms of reliability, speed capabilities, and nominal distance for reliable spans?
NTC362 Fundamentals of Networking
Week 4 Discussion
Discussion Question: Network Management Tools
Discuss network management tools that can be used with LAN, WAN, and wireless technologies. Can a similar
approach be used in wired versus wireless approaches?
Discussion Question: Packet Capture
Using the course learning materials, valid internet sources, and related personal experience, research packet capture analysis tools like TCPdump and Wireshark, and free network management tools, like Capsa Free and Pandora FMS.
Provide an example of how an individual would use TCPdump as a troubleshooting tool. Discuss how to choose a packet analysis or network management tool given various network configurations.
Supporting Activity: Network Operating Systems
What are the predominant network operating systems in use today? What are the differences between LAN and WAN operating systems?
Supporting Activity: Introduction to Wireless
Differentiating among the protocols used in wireless (Media Access Control layer, FDMA, TDMA, and CDMA), what are the problems with existing protocols with satellite communications?
Class Participation Activity: Network Segmentation
What is network segmentation? Why would a network administrator want to segment a network? What are some of the techniques for segmenting a network?
Class Participation Activity: Network Processors
What are the advantages and disadvantages of network processors, such as hubs, switches, routers, and gateways?
Supporting Activity: Virtual LAN
What are Virtual LANs (VLANs) and what are the advantages of using them?
Supporting Activity: IP Addressing
What is class-based IP Addressing & what are some of the problems with it?
Supporting Activity: Supporting Activity: OSI and Internet
What layers of the OSI are used when you access the Internet? What protocols are used?
Supporting Activity: Supporting Activity: SMTP & MIME
What is SMTP designated for? What additional capabilities are included in MIME?
Supporting Activity: Satellite Delays
If I have an application where the maximum allowed end-to-end delay is 150 milliseconds, why can’t I use a geosynchronous orbit satellite as a communication link?
Supporting Activity: Monitoring and Troubleshooting LANs
What should be considered when monitoring and troubleshooting a network?
Supporting Activity: Supporting Activity: Wireless Security Issues
What type of security issues need to be considered when implementing a Wireless LAN?
Supporting Activity: Supporting Activity: Why Go Wireless?
What are some of the reason an organization might consider using a Wireless LAN?
NTC362 Fundamentals of Networking
Week 5 Discussion
Discussion Question: Security Concerns
Discuss the security concerns inherent to wired, wireless, and mobile networking. How must the different “building
blocks” of data communication networks such as switches, routers, and cabling be secured?
Discussion Question: Firewalls
Discuss how firewalls can be used to mitigate some network attack scenarios and how they may effect availabilit
Supporting Activity: Supporting Activity
What are the predominant electronic and physical threats to communications networks?
Supporting Activity: Risks and Mitigations
What are the most probable risks and the most destructive risks for your environment and how would you suggest to mitigate them?
Supporting Activity: Supporting Activity: Policies & Procedures
What is the importance of explicit enterprise security policies, procedures, enforcement and training?
Supporting Activity: Supporting Activity: Components of the DRP
What are the main components of a disaster recovery plan for the enterprise?
Supporting Activity: Supporting Activity: Evaluations of Networks
What are some things we need to evaluate when protecting our network?
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