The layer provides access to the network for applications and certain user functions. it displaysincoming information and prepares outgoing information for network access. a. transportb. networkc. physicald. sessione. data-linkf. application

As computers and other digital devices have become essential to business and commerce, they have also increasingly become a target for attacks. in order for a company or an individual to use a computing device with confidence, they must first be assured that the device is not compromised in any way and that all communications will be secure