In the 21st century organization we will see:

select one:

a. increased focus on it infrastructures

b. an increased focus on security

c. an increased focus on e-business

d. all of the above

All of the above

Explanation: As the technology is getting improved and advanced time to time, it will put a huge impact on various sections of organization.

The advancement in the IT infrastructures will be seen by the improvement in the software,networks, data centers, hardware etc and their functioning.This will lead increase the focus of the technology towards the IT infrastructure.

Security is the feature that requires to be developed throughout the time as hacker and attackers come up with various attacks and other malicious activity to steal the confidential data and information .Thus security constantly needs to be improved and focused which will continue to happen in 21st century.

Business of organizations are becoming online and this will tend the organizations to become more indulged online business or e-business in future as it provides more benefits and vast coverage .Thus, all the options are correct.