By Emmett Dulaney, Toby Skandier, Quentin Docter
CompTIA approved, totally up to date examine advisor for the top IT certification: CompTIA A+
CompTIA A+ is the de facto certification for IT technicians. a few proprietors even require staff to accomplish certification as a part of their task education. This ebook prepares you for either required tests: 220-801 and 220-802. completely up to date to hide the 2012 tests, this well known prep advisor covers the entire examination ambitions. Readers also will have entry to extra learn instruments, together with the Sybex try Engine with bonus perform assessments, digital flashcards, and a thesaurus of vital phrases in searchable PDF form.
* an entire examine advisor to either checks required for CompTIA A+ certification, the normal certification for software program and owners and significant know-how companies
* Covers pc parts, laptops and conveyable units, working structures (including mobile), printers and scanners, networks, defense, security and environmental concerns, verbal exchange, and professionalism
* offers transparent and concise details on the most important and working process upkeep and troubleshooting topics
* bargains sensible examples, real-world insights, examination highlights, and end-of-chapter reviews
CompTIA A+ whole learn consultant prepares the diligent scholar to move either elements of the A+ examination with confidence.
Read or Download CompTIA A+ Complete Study Guide Authorized Courseware: Exams 220-801 and 220-802 PDF
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Additional resources for CompTIA A+ Complete Study Guide Authorized Courseware: Exams 220-801 and 220-802
Example text
You should always review the geographical structure of the company with the corporate structure. Doing this research helps you understand and locate major user communities. • Current and future staffing—The network must have enough flexibility to address the needs of the existing staff as well as support the growth and expansion of a company. To help you determine current and future staffing needs, ask the following questions: — Ask the network users how these network changes will affect them. — Ask the network users which department or departments will be affected.
Know the differences between Layer 2 and Layer 3 switching as well. Chapter 4, “Network Topologies and LAN Design,” covers this step in more detail. This section contains an overview of this step. Hierarchical versus Flat Designs The CCDA should understand that there is a limit on the number of nodes in flat network designs. Network broadcasts can overcome slow serial links. Build the network in a hierarchical manner with subnetting to reduce the amount of traffic on WAN links. The CCDA must understand the three layers of the hierarchical model for network design: the core, distribution, and access layers.
9 Diagram the flow of information for new applications. 10 Isolate the customer’s criteria for accepting the performance of a network. 11 List some tools that will help you characterize new network traffic. book Page 29 Friday, January 7, 2000 5:35 PM CHAPTER 2 Assessing the Existing Network and Identifying Customer Objectives To create a comprehensive design that will meet your customer’s needs, you must understand the customer’s objectives. This chapter is designed to help you obtain the fundamental skills necessary to determine those needs.