1. An extensive telecommunications infrastructure is provided by a structured cabling system, which is a complete system of cabling and related components. This infrastructure is used for a variety of purposes, including phone service provision and data transmission across computer networks. It shouldn’t be hardware-reliant.
A structured cabling system is further defined in terms of ownership. At the termination of the service provider (SP), the structured cabling system starts. The demarcation point (demarc) or network interface device is at this location (NID).
For instance, in the establishment of a telephone system, the SP provides one or more service lines (per customer requirements). At the line of demarcation, the SP joins the service lines.
1.1 Explain the significance of structured cabling and the advantages of structured cabling. (10)
1.2 As a network architecture, you are tasked with designing a network for a six-story office building, with each floor connecting 5 computers in 5 offices and having a wireless access point to connect wireless devices.
Design a network plan for the building using your knowledge of structured cabling and various network devices, labeling all the hardware in devices and cabling. (20)
As the demand for faster and more efficient high-performance computers grows, so do the dimensions of the form factors that house them.
Computer engineers have been tasked for years with the difficult task of incorporating increasingly powerful computers into and onto increasingly smaller chassis and printed circuit boards (PCBs), primarily to meet a growing demand for more reliable, affordable, size-conscious, energy-efficient, and cost-effective computer systems.
This is why the world of embedded systems continues to see boundary-pushing size, weight, power, and cost developments.
2.1 Use your knowledge of embedded systems and devices to answer the question below.
2.1.1 What are embedded systems? (5)
2.1.2 What are the various kinds of embedded systems? (15)
2.1.3 What is the difference between soft and hard real-time embedded systems? (10)
A specialized network-based hardware device designed to perform a single or specialized set of functions with client access independent of any operating system or proprietary protocol,” according to Wikipedia.
Device servers provide independence from proprietary protocols as well as the ability to perform a variety of functions. The RAID controller application mentioned above is just one of many where device servers can be used to connect any device or “machine” to the network. With some success, PCs have been used to network serial devices. This, however, necessitated the serial port product having software that could run on the PC, and then having that application software allow the PC’s networking software to access the application. This task mirrored the issues with putting Ethernet on the serial device, so it was not a satisfactory solution. A device server must provide a simple solution for networking a device and allow access to that device as if it were locally available via its serial port in order to be successful.
Furthermore, the device server should support the wide range of connection options that a device may require on both the serial and network sides of a connection. Should the device always be connected to a specific host or PC? Is it possible that multiple hosts or network devices will want or need to connect to the newly networked serial device? Are there any specific requirements for an application that requires the serial device to reject a network connection under certain conditions? The bottom line is that a server must be able to service a wide range of application requirements while also meeting all of the demands of those applications.
Discuss how device servers are used to improve the usability of various applications such as:
Data Collection, Factory/Industrial Automation, Security Systems, Bar Code Readers and Point-of-Sale Scanners, Medical Applications, M2M Wireless Communication/Networking.
Answers to Above Questions on Networking
Answer 1: Structured cabling is highly important from the point of view of achieving reliable and efficient telecommunication infrastructure. Telecommunication cables are extended across the globe, and it is important that the quality of cabling should be of high standard in order to ensure better connectivity. Structured cabling is all about supporting the telecommunication infrastructure to provide reliable and efficient connectivity.
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