Unabe to connect to Cluster specified in chapter 1 Basic Aggregation

i’m not sure what happend to shell. I’m unable to connect to cluster.when i’m trying to connect its getting connected for 2 to 3 minutes then disconnecting while working on query. and popping as error like:


I think its because of bad internet connection, it try to connect back with a 5 secs wait time. Check your error message once.