10. What service converts IP addresses into more recognizable alphanumeric names? (A) HTML (B) IP (C) DNS (D) HTTPS

4. The value chain model (A) sees the supply chain as the primary activity for adding value. (B) helps a firm identify points at which information technology can most effectively enhance its competitive position. (C) categorizes five related advantages for adding value to a firm's products or services. (D) categorizes four basic strategies a firm can use to enhance its value chain.