Xem 1-20 trên 216 kết quả Network location
  • Wireless network refers to any type of computer network that is not connected by cables of any kind. It is a method by which homes, telecommunications networks and enterprise (business) installations avoid the costly process of introducing cables into a building, or as a connection between various equipment locations.[1] Wireless telecommunications networks are generally implemented and administered using a transmission system called radio waves. This implementation takes place at the physical level (layer) of the OSI model network structure....

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  • An unauthorized DHCP server may either lease incorrect IP addresses to clients or negatively acknowledging DHCP clients. Clients that obtain a configuration lease from the unauthorized server can fail to locate valid domain controllers, preventing clients from successfully logging on to the network. For the directory authorization process to work properly, it is necessary that the first DHCP server introduced on to your network participate in the Active Directory service. The server must be installed as either a domain controller or a member server.

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  • Windows 2000 clients use DNS for name resolution and locating domain controllers for logon. In the DNS, the clients are resolvers and the servers are name servers. DNS uses three components: resolvers, name servers, and the domain name space. A resolver sends queries to a name server. The name server returns the requested information, a pointer to another name server, or a failure message, if the request cannot be satisfied.

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  • Wireless Sensor Networks (WSNs) can be defined as a self-configured and infrastructure-less wireless networks to monitor physical or environmental conditions, such as temperature, sound, vibration, pressure, motion or pollutants and to cooperatively pass their data through the network to a main location or sink where the data can be observed and analysed. A sink or base station acts likean interface between users and the network. One can retrieve required information from the network by injecting queries and gathering results from the sink.

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  • This document provides design recommendations, configuration examples, and scalability test results for implementing a next-generation WAN for Voice and Video Enabled IPsec VPN (V3PN) based on a service provider WAN interface handoff using Ethernet at the enterprise campus and branch locations. This document provides the enterprise network manager with configuration and performance guidance to successfully implement or migrate to a WAN architecture using Ethernet as an access technology to a service provider network....

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  • You are the network administrator for The Meely Meal company. Owned by Milton Meely, the company is a leading distributor of wheat germ and other grains and cereals. The company has three locations: 1. Corporate Headquarters in Albuquerque, New Mexico. 2. A packaging and distribution plant in Battle Creek, Michigan. 3. A small purchasing office in Lincoln, Nebraska. A diagram of the network is included below. Milton has hired his son, Matt, as an intern for the summer. Matt tells you that he is thinking of getting his CCNA. He says that he plans to prepare by reading "the" book.

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  • Consumer and business customers today seek wireless service that is readily accessible, benefit rich, secure and affordable. Voice, data and video services, Internet games, and mobile office access must all be provided to meet growing demand from customers. Rollout of third-generation networks has made real-time information flow of news, music, sports updates, browsing and image sharing a reality that is driving growth and change in the network. The move toward faster service will continue without end and requires that both bandwidth and network locations be increased.

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  • This module provides students with the knowledge and skills to publish resources, including shared folders and printers, in Active Directory™ directory service. Publishing resources makes it easier for users to locate resources on a network, and provides secure and selective publication of network resources to users.

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  • 18.5. Switching Locations If you travel with a laptop, you know the drill. You're constantly opening up System Preferences Network so that you can switch between Internet settings: Ethernet at the office

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  • Customer demand for lower cost services from providers is increasing at a rapid rate. At the same time, customers want to maintain or even increase the levels of efficiencies and capabilities they are already receiving. This presents a dilemma to the service provider: how to deliver new, cost-efficient Ethernet services to small- and medium-size customer locations over a resilient infrastructure while at the same time maintaining current revenue streams and features from circuit-based services.

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  • NuggetLabs Industries is growing significantly. Due to space limitations, five employees currently share single cubicles…at the same time. While this is great for team building, these space limitations are now impacting business productivity. NuggetLabs has now leased an additional office building roughly 20Km from their headquarters location. While this office will eventually connect to the HQ office, it will initially be set up independently.

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  • Can you remember the frustration you felt the last time you needed to work on a document but couldn’t connect to the network to use it? What about the last time you wanted to write an email or get some work done on the Internet, but you had to go to a different location where you could use a networked system? Multiply these problems and frustrations by every employee who has every experienced them and you will understand, if you don’t already, why wireless networking is becoming a requirement in many offices....

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  • Service providers must be able to deliver a diverse mix of services to all customers—regardless of the capacity size or location—across any type of network. Yet in this lean economy, carriers need to deliver these services at a low first-cost, using current infrastructures, while continuing to migrate toward next-generation IP/MPLS networks. ADC’s LoopStar® 722 is ideally suited to address these challenges by extending Ethernet and TDM-based services to multiple customer locations.

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  • Metro area telecommunications providers need to deliver a mix of inherently incompatible services to enterprise customers, who expect compatibility and consistency across all their locations. Under pressure to provide bundled services at lowest possible costs, with fast response to service requests, service providers need to reach all of their customer locations in the most cost-effective way.

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  • Continued advances in information technologies are enabling a growing number of physical devices to be imbued with computing and communications capabilities. Aircraft, cars, household appliances, cellular telephones, and health monitoring devices all contain microprocessors that are being linked with other information processing devices. Such examples represent only the very beginning of what is possible. As microprocessors continue to shrink, wireless radios are also becoming more powerful and compact.

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  • Objective: Identify the stages of the router boot sequence Determine how a Cisco device locates and loads the Cisco IOS; use the boot system command; identify the configuration register values; briefly describe the files used by the Cisco IOS and their functions.

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  • You can set the DesiredAccuracy property of the Geolocator object: PositionAccuracy.High – if you want the most accurate data available, but at the cost of increased battery usage, network bandwidth and possibly monetary charges from wireless network operators. Often this causes the GPS to be activated

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  • Module 11: Configuring and managing distributed file system. This module introduces the Distributed File System (DFS) solution that can be used to address these challenges by providing fault-tolerant access and WANfriendly replication of files located throughout the enterprise. The main contents in module includes: DFS overview, configuring DFS namespaces, configuring DFS replication.

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  • Lecture Basic network management - Chapter 15: Firewall concepts. After studying this chapter you will be able to understand: What is firewall? Functions of Firewall What is IDS? Functions of IDS

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  • This module is intended to help the server administrator perform the day-to-day administration of Microsoft® SharePoint™ Portal Server 2001. After completing this module, students will be able to: Locate and manage files and folders in the Microsoft Web Storage System. Manage the computer running SharePoint Portal Server. Monitor SharePoint Portal Server by using System Monitor. Back up SharePoint Portal Server. Restore SharePoint Portal Server.

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