The two switches shown below have both enabled the STP protocol. An engineer made the following conclusions on this network. Which conclusions do you think are correct? (Multiple choice)

Apply the ACL configured as shown in the figure in Telnet. Only the device with the IP address of 172.16.105.2 is allowed to log in remotely:
#
acl number 2000
rule 5 permit source 172.16.105.2 0
#

The router needs to modify the destination IP address in the data packet when forwarding data packets.

In the network shown in the figure below, all routers run the OSPF protocol, and the link cost value is shown in the figure. What is the cost value of the route entry to the network 10.0.0.0/8 in the RTA routing table?

NAPT distinguishes the IP addresses of different users through the protocol numbers in TCP, UDP, or IP packets.