A network is divided into four hierarchical regions. Router R4 is located in Region 2. Region 2 contains 5 routers (including R4), and there are 3 other regions. If Router R4 maintains one routing entry for each router within its own region and one summary entry for each of the other regions, how many routing table entries will Router R4 have? | MCQ Hive

Computer Networks Hierarchical Routing

Q A network is divided into four hierarchical regions. Router R4 is located in Region 2. Region 2 contains 5 routers (including R4), and there are 3 other regions. If Router R4 maintains one routing entry for each router within its own region and one summary entry for each of the other regions, how many routing table entries will Router R4 have?

A A. 5
B B. 6
C C. 8
D D. 9

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