Which action does the router take as it forwards a packet through the network?

Which two functions are performed by the core layer in a three-tier architecture? (Choose two)

Refer to the exhibit.

An access list is created to deny Telnet access from host PC-1 to RTR-1 and allow access from all other hosts A Telnet attempt from PC-2 gives this message:"% Connection refused by remote host" Without allowing Telnet access from PC-1, which action must be taken to permit the traffic?

Drag and drop the threat-mitigation techniques from the left onto the types of threat or attack they mitigate on the right.

Refer to the exhibit.

The nip server 192.168.0.3 command has been configured on router 1 to make it an NTP client of router 2. Which command must be configured on router 2 so that it operates in server-only mode and relies only on its internal clock?