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ID: 8926


January 23, 2018, 12:24 pm

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The Network Intrusion


A graph theory based puzzle for a Shadowrun Setting.

You and your Shadowrunner Team have been hired by the government to hack into the headquarters of the Comit-Corperation to locate evidence of illegal activity. They suspect that it is kept on a single secure server but their internal network is extremely secure and the government investigation agency could not retrieve any information on it except the following:

The network is divided into 10 subnets in which each IP Address is tied to the number of nodes on it. -> 2 Nodes -> 3 Nodes -> 4 Nodes -> 5 Nodes -> 6 Nodes -> 7 Nodes -> 8 Nodes -> 9 Nodes -> 10 Nodes -> 11 Nodes

They know that the suspect server is on the lowest numbered subnet that can satisfy the following conditions:

Each node has exactly LAN connections to 3 other nodes in that subnet.
The only exception to this is the suspect server which has a LAN connection to only 1 node.

You can ignore any WAN connections as those just connect subnets together and are therefore irrelevent.

Also there some other complications as well:

There are no topology diagrams of the network accessible anywhere.

You only have enough time to search a single subnet before the Intrusion Detection Systems spot your unauthorized access and lockdown the entire network kicking you off.

The suspect server is on subnet

How I know if this is correct? Becuase it is the only one that satisfys the conditions stated above. We know that each node has to have exactly three LAN connections on each except one which is the server. So by graphing this out there has to at least 6 nodes for all of the conditions to be satisfied.

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Comments ( 1 )
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Voted Cheka Man
January 24, 2018, 23:13
Only voted

Random Idea Seed View All Idea Seeds

       By: Reed

Magical Fiends: When a mage or wizard casts a spell and draws more energy than s/he needs Magical Fiends are drawn to that spot and they feed of the extra magic as long as they can. When someone's magic is being fed off of they can't cast spells as well and they feel weaker. The only way to remove a magicial fiend is for it to be drawn away by someone else's power or to go to the very spot you first cast the spell and kill them

Ideas  ( Lifeforms ) | August 17, 2004 | View | UpVote 1xp

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