16.
Which of the following network types have a designated router and a backup designated router assigned?
1. Broadcast
2. Point-to-point
3. NBMA
4. NBMA point-to-point

17.
Which type of OSPF network will elect a backup designated router?
1. Broadcast multi-access
2. Non-broadcast multi-access
3. Point-to-point
4. Broadcast multipoint

18.
You need the IP address of the devices with which the router has established an adjacency. Also, the retransmit interval and the queue counts for the adjacent routers need to be checked. What command will display the required information?

19.
Which of the following network types have a designated router and a backup designated router assigned? 1. Broadcast 2. Point-to-point 3. NBMA 4. NBMA point-to-point