Cisco Certified Network Associate (CCNA) Practice Exam

What does enabling Syslog on a device require regarding network configuration?

1. Enabling DHCP services

2. Setting an IP address for Syslog server

3. Enabling time synchronization

4. Creating a separate VLAN for logs

The correct answer is: Setting an IP address for Syslog server

Enabling Syslog on a device indeed requires setting an IP address for the Syslog server. Syslog operates over the network by sending log messages from the device to a designated Syslog server where the logs can be aggregated, monitored, and analyzed. The Syslog server's IP address must be configured on the device so that it knows where to send these logs. Without specifying the server's IP address, the device wouldn't have a destination for the log messages, rendering the Syslog functionality ineffective. While options such as enabling DHCP services, enabling time synchronization, and creating a separate VLAN for logs may be relevant in certain network configurations or practices, they are not prerequisites for enabling Syslog itself. DHCP is primarily concerned with dynamically assigning IP addresses, which is unrelated to logging. Time synchronization is important for accurate timestamps in logs but does not directly correlate with the configuration of the Syslog server's IP address. Similarly, creating a separate VLAN might be useful for managing traffic or enhancing security but is not required for Syslog operations. Thus, ensuring that the Syslog server's IP address is correctly set is the essential and correct step in enabling Syslog on a device.