Home » Certification » CISCO Certification

If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?

The Lowest IP address of any physical interface
The Highest IP address of any physical interface
The Lowest IP address of any logical interface
The Highest IP address of any logical interface

Correct Answer: The Highest IP address of any physical interface

Explanation:

At the moment of OSPF process startup, the highest IP address on any active interface will be the Router ID (RID) of the router . If you have a loopback interface configured (logical interface), then that will override the interface IP address and become the RID of the router automatically.

← Previous Question Next Question→

More Questions from CISCO Certification

What is the administrative distance of OSPF?
With which network type will OSPF establish router adjacencies but not perform the DR/BDR election process?
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?
A network administrator needs to configure a router with a distance-vector protocol that allows classless routing. Which of the following satisfies those requirements?
You get a call from a network administrator who tells you that he typed the following into his router: Router (config) #router ospf 1 Router (config-router) # network 10.0.0.0. 255. 0.0.0 area 0 He tells you he still can't see any routes in the routing table. What configuration error did the administrator make?
Where are EIGRP successor routes stored?
When is redistribution required for EIGRP?
What does a switch do when a frame is received on an interface and the destination hardware address is unknown or not in the filter table?
Your switch has a port status LED that is alternating between green and amber. What could this indicate?
If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion