READ Free Dumps For CISCO- 100-105

Question ID 14485	Which of the following describe the process identifier that is used to run OSPF on a router? (Choose two)
Option A	It is locally significant.
Option B	It is globally significant.
Option C	It is needed to identify a unique instance of an OSPF database.
Option D	It is an optional parameter required only if multiple OSPF processes are running on the router.
Option E	All routers in the same OSPF area must have the same process ID if they are to exchange routing information.
Correct Answer	A,C

Explanation Explanation: https://learningnetwork.cisco.com/thread/6248 They are locally significant only, and have no bearing on the structure of any OSPF packet or LSA update. So you can have a separate process-id on every single router in your network if you so desire.

Question ID 14486	Which two of these functions do routers perform on packets? (Choose two.)
Option A	Examine the Layer 2 headers of inbound packets and use that information to determine the next hops for the packets
Option B	Update the Layer 2 headers of outbound packets with the MAC addresses of the next hops
Option C	Examine the Layer 3 headers of inbound packets and use that information to determine the next hops for the packets
Option D	Examine the Layer 3 headers of inbound packets and use that information to determine the complete paths along which the packets will be routed to their ultimate destinations.
Option E	Update the Layer 3 headers of outbound packets so that the packets are properly directed to valid next hops
Option F	Update the Layer 3 headers of outbound packets so that the packets are properly directed to their ultimate destinations
Correct Answer	B,C

Explanation Explanation: This is the basic function of the router to receive incoming packets and then forward them to their required destination. This is done by reading layer 3 headers of inbound packets and update the info to layer 2 for further hopping.

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