CHAPTER 15 Wide-Area Wireless Networks (WANs) — GSM Evolution 15.1 Introduction Third-generation (3G) wireless systems [2‚3‚9] offer access to services anywhere from a single terminal; the old boundaries between telephony‚ information‚ and entertainment services are disappearing. Mobility is built into many of the services currently considered as fixed‚ especially in such areas as high speed access to the Internet‚ entertainment‚ information‚ and electronic commerce (e-commerce) services. The
Premium GSM Mobile phone
Goals 7 3. Organization Unit 8 4. Design Concept 9 4.1. Hierarchical Network Design 9 4.2. Enterprise Network Design 11 5. Local Area Network (LAN) and Wide Area Network (WAN) 12 6. Server Farm 14 7. Topology 16 7.1. Types of Topology 16 7.1.1. Bus Topology 16 7.1.2. Ring Topology 17 7.1.3. Mesh Topology 17 7.1.4. Star Topology 18 7.2. Physical Topology 19 7.3. Logical Topology 20 8. Calculating the Subnets 21 9. Conclusion 32 10. Reference 33
Free Network topology Computer network Local area network
RATIONALE BEHIND M&A Motives There are two types of motives involved in merger and acquisition and these are Explicit and Implicit motives. Explicit Motives • Synergy: Synergy means that the merged firm will have a greater value than the sum of its parts as a result of enhanced revenues and the cost base. • Economies of Scale: Economic of scale refer to the reduction in unit cost achieved by producing a large volume of a product. Horizontal mergers aim at achieving economies of scale. This
Premium Mergers and acquisitions Strategic management Vertical integration
Domestic Adoption vs. International Adoption People want to adopt for different reasons. A person or a couple decide to adopt domestically which is adopting child from the United States because they can receive a child at a young age and has access to the child health information. On the other hand‚ when a person or a couple decides to adopt internationally which means adopting a child from outside the United States but with a domestic adoption there is a possibility for the birth mother to
Premium Adoption
Network Topologies • LANs and WANs - Geographical coverage • LANs – A single geographical location‚ such as office building‚ school‚ etc – Typically High speed and cheaper. • WANs – Spans more than one geographical location often connecting separated LANs – Slower – Costly hardware‚ routers‚ dedicated leased lines and complicated implementation procedures. 1 Network Topologies • Topology - Physical and logical network layout – Physical – actual layout of the computer cables and other
Premium Ethernet Computer network Network topology
The adoption of a child shouldn’t be based on whether you’re gay or you’re not‚ adoption of children shouldn’t be restricted on someone’s sexual orientation. The Catholic Church and certain religions overall see this as an abomination to humanity. Certain people believe children might grow up wanting to be gay if they are raised by gay parents‚ also there are many people out there in the world right now who are heterosexual and are not qualified to raise a child‚ they might mistreat children‚ maybe
Premium Homosexuality Sexual orientation Adoption
Cleavers. International adoption has contributed to this changing family view‚ bringing in children who are not biologically related to their parents and often of a different race. This new American image has helped to reduce race related issues. Children are the future of a country. Consequently‚ if a country is losing their children to international adoption; the county is losing gifts and talents that are irreplaceable. Intercountry adoption should not be a viable adoption source because this process
Premium Adoption
learning of pupils in many ways. Whilst allowing the teacher to follow a process of thinking‚ providing a mental practice session if you like‚ the act of planning therefore becomes an imperative aid for both student and teacher. Throughout this rationale‚ the key elements and processes of meeting planning requirements will be discussed with specific reference to a series of three progressive examples (see appendix). The lessons have been created with a view towards teaching pupils dance at Key Stage
Premium Learning Teacher Teaching
match the cable type of the network. Most common hubs interconnect Category 3 or 5 twisted-pair cable with RJ-45 ends‚ although Coax BNC and Fiber Optic BNC hubs also exist. Ethernet Hubs An Ethernet hub is also called a multiport repeater. A repeater is a device that amplifies a signal as it passes through it‚ to counteract the effects of attenuation. Multistation Access Unit A Multistation Access Unit (MAU) is a special type of hub used for token ring networks. Switches Switches are
Premium Ethernet Network topology Coaxial cable
COMMUNICATION AND COMPUTER NETWORK 4.1 INTRODUCTION Today computer is available in many offices and homes and therefore there is a need to share data and programs among various computers with the advancement of data communication facilities. The communication between computers has increased and it thus it has extended the power of computer beyond the computer room. Now a user sitting at one place can communicate computers of any remote sites through communication channel. The aim of this chapter
Premium Data transmission Computer network Modulation