Erorr could not retrieve replica set config

C:\university\M040>mongo --quiet validate_lab1.js
2019-04-26T21:05:12.669-0500 E QUERY [js] Error: Could not retrieve replica set config: {
“ok” : 0,
“errmsg” : “not running with --replSet”,
“code” : 76,
“codeName” : “NoReplicationEnabled”
} :
rs.conf@src/mongo/shell/utils.js:1448:11
@validate_lab1.js:24:12
failed to load: validate_lab1.js

Looks like your replica setup is not complete
Please check your lab instructions
3 mongods should be up and running with replication enabled
You may get more details in our forums too

mongo --quiet validate_lab1.js
2019-06-09T14:42:29.652-0700 E QUERY [js] Error: Could not retrieve replica set config: {
“ok” : 0,
“errmsg” : “not running with --replSet”,
“code” : 76,
“codeName” : “NoReplicationEnabled”
} :
rs.conf@src/mongo/shell/utils.js:1459:11
@validate_lab1.js:24:12
failed to load: validate_lab1.js

mongod -f rsN_win.conf running on three commond prompts