CCDA：Cisco Certified Design Associate，思科認證設計工程師
　　CCDA認證屬于Cisco售后工程師認證體系的入門(mén)認證。
　　通過(guò)CCNA可以證明你已掌握網(wǎng)絡(luò )的基本知識。
　　CCDA認證表示通過(guò)認證的人員具有為小型辦公室/家庭辦公室（SOHO），以及具有500個(gè)以下節點(diǎn)的簡(jiǎn)單LAN、路由WAN和交換LAN網(wǎng)絡(luò )的中型企業(yè)和機構，提供思科互聯(lián)網(wǎng)絡(luò )結構設計。

　　通過(guò)CCDA認證的專(zhuān)業(yè)人員能規劃簡(jiǎn)單的局域網(wǎng)、廣域網(wǎng)以及撥號訪(fǎng)問(wèn)業(yè)務(wù)的路由選擇和交換網(wǎng)絡(luò )結構

CCDA是對于要成為Cisco高級代理商所要求的三項相對獨立的培訓/認證項目之一。

考試科目：640-861

考試時(shí)間：75分鐘
考題數目：62題
及格分數：825分
CCDA 640-861 考點(diǎn)
Analysis
Gather and evaluate information regarding an organization's existing social requirements
Gather and evaluate information regarding a network owner's current data network and future needs
Gather and evaluate information regarding a network owner's current voice network and future needs
Identify possible opportunities for network improvement
Validate gathered information
Document relevant findings
Modeling
Given a network design or set of requirements evaluate a solution that meets IP addressing needs
Given a network design or a set of requirements evaluate a solution that meets routing protocol needs
Given a network design or a set of requirements evaluate a solution that meets network management needs
Given a network design or a set of requirements evaluate a solution to incorporate equipment and technology within a Campus design
Given a network design or a set of requirements evaluate a solution to incorporate equipment and technology within an Enterprise Edge design
Design solutions to meet network owner needs applying the Enterprise Composite Network Model
Evaluate solutions addressing the issues of delivering voice traffic over a data network
Evaluate solutions for compliance with SAFE architecture
Planning
Develop an implementation plan
Develop a prototype testing plan
Develop a verification plan