# 1 ITCC 200
When you protect a worksheet, you have the option of assigning a password to it. What are some of the potential problems these procedures prevent? Describe the purpose of digital signatures. What are the benefits of using digital authentication? 250 word and reference
# 2 BUSN 313
Note the comments on the mobile phone market and the shift away from the traditional vertical industry. Using the material from the text discuss the cooperative strategies that are present in this industry. Why types of alliances would you suggest for players in this market?