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Performance of Systems

Organizational Structure, System and Culture

Company X is going to expand its information system. To do this, it is going to select and purchase new hardware and software and re-train its employees. The problem-solving team has been established and has specified hardware, software and staff-training needs. Question: In IT-rich environments, one can presume that addit

Choosing Between Leaders and Managers

In some of the literature, there is the inference that general/technical management roles are somehow different and inferior to leadership functions. Management and leadership are very definitely not mutually exclusive functions, although the attributes and skills emphasized differ. The best possible scenario for an organization

Group Synergy

Whilst group synergy is good phenomenon to observe in action, the converse is sometimes just as likely to occur with work teams (virtual or otherwise). That is, teams may sometimes have disruptive or non-cooperative members who impair performance. If in the position of team leader, how would you deal with such issues, to incr

Change Control and Project Risk Management

I need some help with the following questions: Haddad and Ribière (2007) explore and expand upon the more formal use of Knowledge Management in the process of software acquisition. Analyze and discuss the use of the Software Capability Content Maturity Model (SACMM) if you were the project manager responsible for a large sof

Decision support system (DSS), Management information system (MIS)

Define a decision support system (DSS). What is the difference between management information systems and decision support systems? Describe the different components of a decision support system and explain each one. Give some examples where a decision support system helps with making internal decisions.

Customer Relationship Management and Supply Chain Management

1. What are the differences between Customer Relationship Management (CRM) software and E-SCM (e-Supply Chain Management) software? 2. What are two long-term benefits of E-SCM? 3. What are two market trends occurring in the SCM (Supply Chain Management) industry?

Case Tools for different phases of the Software Development Life Cycle

Please give detailed answers. 1. What is the latest definition of UML and OOD? 2. Which case tool(s) will be useful for each of the following phases of the software development life cycle (SDLC)? Phase of SDLC: a) Requirements Analysis: Consists of collecting requirements, interviewing customers, and selecting a DBMS

Recommendations to handle performance deterioration in WLAN

South West State University installed a series of four Wi-Fi omni-directional APs (access points) spread across the ceiling of the main floor of their library. The main floor has several large, open areas plus two dozen or so small offices spread around the outside walls. The WLAN worked well for one semester, but now more stude

Subnetting and Supernetting

Discuss the importance of subnetting with respect to collisions, broadcasts and controlling traffic. Discuss the difference between subnetting and supernetting.

ERP Implementation

Peslak, et al. (2007/2008) examine a defined phase approach to ERP implementation. Compare and contrast the "standard" SDLC stepped process to the process described in Peslak, et al. discussing the similarities and differences between the two processes.

IT Governance

Welch, et al. (2007) presents IT Governance as an important "Key" in ERP success. Discuss the organization of an IT governance team and then compare and contrast implementing a major ER project with and without an in place governance team.

UML diagram for entity relationships

I need a help with a simple UML diagram based from an entity relatationship diagram attached. I have an old ERD and UML, however the ERD was was changed and I need help with a new UML to reflect the change. I'm not sure how to go about this. See attached for clearer details. for someone trained in UML diagrams, this is a ver

Compare and contrast the two systems (Windows 2003 and Windows Server 2008)

In San Jose, CA, Riordan Manufacturing Company is in the process of upgrading all the computers. Windows 2K is the network operating system. IT has decided to upgrade the network operating system, and your team is tasked with evaluating both Windows 2003 and Windows Server 2008 as the potential replacement to the current system.

Simple Network Management Protocol (SNMP)

Compare network monitoring tools and their uses. Just as your car requires regular oil changes for optimum performance, a wireless LAN requires routine maintenance to provide users optimum signal strength and availability. Name one major advantage and one major disadvantage of "Simple Network Management Protocol (SNMP)"

Software Requirements within Agile UML OOD methodology

Course Project#1: Agile software development with UML (Unified Modeling Language) 1) I NEED HELP IN CREATING A SOFTWARE REQUIREMENTS (SRS) DOCUMENT, HERE'S THE BUSINESS SOLUTION TO SOLVE: 1. A CASE EXAMPLE: creating an information system such as automating an outdoor goods rental company's retail system, that takes their

Importance of User Support

All wireless access points emit their wireless signals in a set range. When designing a wireless network, you must keep these ranges in mind in order to ensure proper signal strength and coverage. Place the access points in Appendix E in the proper locations on the floor plan to provide a strong continuous signal to the ent

Given the information flows over the WAN in your organization, determine the appropriate CIR for the leasing of a frame relay service. Given the leasing of an ATM service, allocate the flow among CBR, VBR and UBR services.

Assume that your organization has to support the following information flows over the Wide Area Network (WAN): - 10 standard PCM voice circuits - 5 data communications streams that are each 64-kbps and are active 20% of the time. - One 10-Mbps video stream - E-mail traffic as best effort [a] Given the leasing of a frame

Twisted Pair and Power Level question

Please reference this figure for the question: 8. Given Figure 1, determine the power level that must be transmitted at Point D to support a theoretical capacity of 20kbps at point E for both Category 3 and Category 5 UTP. The following assumptions are used for the media: - Unshielded Twisted Pair with a length of 400 m

Scenarios for On-Line Auction Website

For the purposes of this assignment, consider, the online auction web site. When you do the following problems, use eBay to provide context for your examples. 1) Choose 6 of the following quality attributes, and define at least one specific, detailed, and concrete scenario for each: a) Availability b) Modifi

Multiple processors systems memory

1. What happens if two CPUs in a multiprocessor attempt to access exactly the same word of memory at exactly the same instant? 2. Why is there a limit on cable length in an Ethernet network? 3. In the discussion of how URLs are processed by a browser, it was stated that connections are made to port 80. Why? 4. When multiple p

Urgent: Managerial Accounting: Computerized Manufacturing System (Case)

You, H.H. Hilton, have just been hired by a small manufacturing firm. One of your talents that they sought to acquire was knowledge of, and ability to implement, and automated production system for the firm. Describe the system you would implement for this firm that produces only two products using raw materials, labor, and of c

Crow's Foot ERD

The FlyRight Aircraft Maintenance (FRAM) division of the FlyRight Company (FRC) performs all maintenance for FRC's aircraft. Produce a data model segment that reflects the following business rules: All mechanics are FRC employees. Not all employees are mechanics. Some mechanics are specialized in engine (EN) maintenance. Some