A firm would be most likely to establish an enterprise portal if it wanted to Multiple Choice prevent outsiders from using its information network. allow users to access different areas of its network depending on their relationship to the firm. prevent viruses from being downloaded from the company's website. search for hidden patterns and unknown relationships among data stored in different information systems.

prevent outsiders from using its information network.

Explanation:

The firm would use a portal to create a network or intranet for all its information because only employees would have access to it.

since it can be assumed that what aslam is making is a template by compiling all the commonly used excel formatting in several worksheets in an excel document, aslam can choose to save it using the .xltx or .xltm format instead. thus, aslam can distribute the templates he has made to his team members in an easier manner.