Which of the following is the key to network design?
A . Innovation of key technologies
B . Selection of network elements (NEs) such as devices and links
C . Performance improvement at reasonable costs
D . Network stability and reliability
Answer: B
Which of the following is the key to network design?
A . Innovation of key technologies
B . Selection of network elements (NEs) such as devices and links
C . Performance improvement at reasonable costs
D . Network stability and reliability
Answer: B