Neo4j

I am not sure what user name and password to use when connecting the second instance of neo4j to do exercise 15.11 in the training. I have been using the same username and password that I use for the desktop version. I keep getting this error no mat...

I can't follow the example with the 3 nodes and 3 relationships. What is the result for n.id? Is the answer n = 1 for id = 6? If so then I think I get it. Was I suppose to learn cypher before I started the training? I thought that I would pick u...