Mangle Routing (routing-mark) is possible, by using chains:

You have a DHCP server on your MikroTik router. The IP addresses 10.1.2.2-10.2.2.20 are distributed in the DHCP network. Additionally, 3 static IP address are defined for your servers: 10.1.2.31-10.1.2.33.
After a while 20 more IP addresses need to be distributed in the network. It is possible to distribute the extra IP address without adding another DHCP Server:

Mark the queue types that are available in RouterOS

What protocol is used for Ping and Trace route?

What does the command routerA(config)#line cons 0 allow you to perform next?