A system administrator is attempting to use a TFTP server to deploy firmware updates to several network switches. However, the administrator notices that while the TFTP server is reachable via ICMP ping requests, the firmware files are not being transferred to the switches. Which of the following is MOST likely causing the file transfer issue?
The firewall is blocking TFTP traffic on UDP port 69
The network is experiencing a DHCP scope exhaustion
The switches are incompatible with the TFTP server software version
The TFTP server is configured on a different subnet