Computer Networking
A group of 2m - 1 routers are interconnected in a centralized binary tree, with router at each tree node. Router I communicate with router J by sending a message to the root of the tree. The root then sends the message back down to J. Then find the mean router-router path length.

m - 1
2 (m - 2)
2 (2m - 1)
(2m - l)/mJ

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Computer Networking
In geosynchronous orbit, satellite

None of these
moves simultaneously
remains in a fixed position related to points on earth
remains in a fixed position so that as earth rotates, it can fully cover the earth
moves faster than the earth's rotation so that it can cover larger portion of earth.

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Computer Networking
What does a VLAN do?

Provides multiple collision domains on one switch port.
Acts as the fastest port to all servers.
Breaks up broadcast domains in a layer 2 switch internetwork.
Provides multiple broadcast domains within a single collision domain.

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Computer Networking
You have the following routing table. Which of the following networks will not be placed in the neighbor routing table?R 192.168.30.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0C 192.168.40.0/24 is directly connected, Serial0 172.16.0.0/24 is subnetted, 1 subnetsC 172.16.30.0 is directly connected, Loopback0R 192.168.20.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0R 10.0.0.0/8 [120/15] via 192.168.40.1, 00:00:07, Serial0C 192.168.50.0/24 is directly connected, Ethernet0

10.0.0.0
192.168.30.0
All of them will be placed in the neighbor routing table
172.16.30.0

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