Given the scenario, before leaving the office, you ask the CIO to provide which formal document authorizing you to perform certain activities on the network?1. Syslogs2. Network flows3. Certificate authority4. Authorization memo

4. Authorization memo

Explanation: Authorization memo is a document that gives a go ahead to perform certain activities on the network, gives you the opportunity to work on the network on behalf of the CIO, although you are as well reminded that you are only doing this on behalf of someone, therefore advised to take precautions. Authorization memo is a reminder formal document that gives you access to do something on behalf of your CIO.