which four improvements are the main benefits of the PPDIOO lifecycle approach to network design?

According to Cisco, which four improvements are the main benefits of the PPDIOO lifecycle
approach to network design? (Choose four.)

A.
Faster ROI

B.
Improved business agility

C.
Increased network availability

D.
Faster access to applications and services

E.
Lower total cost of network ownership

F.
Better implementation team engagement

Explanation:

The PPDIOO life cycle provides four main benefits:
+ It improves business agility by establishing business requirements and technology strategies.
+ It increases network availability by producing a sound network design and validating the network
operation.
+ It speeds access to applications and services by improving availability, reliability, security,
scalability, and performance.
+ It lowers the total cost of ownership by validating technology requirements and planning for
infrastructure changes and resource requirements.
(Reference: Cisco CCDA Official Exam Certification Guide, 3rd Edition) described in the link
below.
Link:http://www.ciscopress.com/articles/article.asp?p=1608131&seqNum=3