Cisco has recently updated CCDA certification exam. The revised exam number that a candidate needs to pass is 640-864 DESGN. The exam has been thoroughly updated and several of the objectives have been reviewed. The new objectives seem to be more relevant to today's networking requirements.
The topics covered in CCDA exam are as given below:
a. 10% 1.0 Describe the Methodology Used to Design a Network
b. 13% 2.0 Describe Network Structure and Modularity
c. 27% 3.0 Design Basic Enterprise Campus Networks
d. 10% 4.0 Design Enterprise Edge and Remote Network Modules
e. 21% 5.0 Design IP Addressing and Routing Protocols
f. 19% 6.0 Design Network Services
There is emphasis on wireless networks, data center and enterprise networks design.
For more information on exam objectives, visit the official site: http://www.cisco.com/web/learning/certifications/associate/ccda/index.html
For most recently updated practice tests, check out: http://www.simulationexams.com/exam-details/ccda.htm