You want to add a new OSPF area to your existing OSPF network, however, this area will not be directly connected to Area 0. Which feature would you use to complete this task?
The network team will be performing maintenance on R3. The maintenance window requires a reboot of router R3. You want to gracefully move traffic away from R3 until after the reboot. In this scenario, how would you solve this problem?
Your company has multiple upstream BGP connections to the Internet through ISP-A, ISP-B, and ISP-C. You want to ensure that all traffic coming into your network uses ISP-A. How would you accomplish this task?