diff --git a/MyTaskListApp/DAL/Dal.cs b/MyTaskListApp/DAL/Dal.cs
index 3559e10..3adcec7 100644
--- a/MyTaskListApp/DAL/Dal.cs
+++ b/MyTaskListApp/DAL/Dal.cs
@@ -12,25 +12,41 @@ namespace MyTaskListApp
 {
     public class Dal : IDisposable
     {
-        //private MongoServer mongoServer = null;
         private bool disposed = false;
 
-        // To do: update the connection string with the DNS name
-        // or IP address of your server. 
-        //For example, "mongodb://testlinux.cloudapp.net
-        private string userName = "FILLME";
-        private string host = "FILLME";
-        private string password = "FILLME";
+        //private MongoClient
+        private readonly MongoClient client;
+
+        //Copy connection string from Azure portal
+        //Go to Quick Start pane, Choose .NET platform
+        //Copy the connection string provided there below
+        private readonly string connectionString = @"";
+
+        //ReadPreference setting
+        //For LOAD DISTRIBUTION SCENARIO
+        //we set this to SecondaryPreferred
+        //The idea is to use secondaries for Read loads
+        //And Primary/Write region is only used for Write requests
+        //If there are no Read regions configured for the account
+        //then read load also goes to Write region.
+        private readonly ReadPreference readPreference = ReadPreference.SecondaryPreferred;
 
         // This sample uses a database named "Tasks" and a 
         //collection named "TasksList".  The database and collection 
         //will be automatically created if they don't already exist.
-        private string dbName = "Tasks";
-        private string collectionName = "TasksList";
+        private readonly string dbName = "Tasks";
+        private readonly string collectionName = "TasksList";
 
         // Default constructor.        
         public Dal()
         {
+            MongoClientSettings settings = MongoClientSettings.FromUrl(
+                new MongoUrl(this.connectionString));
+            settings.SslSettings =
+                new SslSettings() { EnabledSslProtocols = SslProtocols.Tls12 };
+
+            //Initialize the client once and reuse it for all requests
+            this.client = new MongoClient(settings);
         }
 
         // Gets all Task items from the MongoDB server.        
@@ -38,7 +54,7 @@ public List<MyTask> GetAllTasks()
         {
             try
             {
-                var collection = GetTasksCollection();
+                var collection = this.GetTasksCollection();
                 return collection.Find(new BsonDocument()).ToList();
             }
             catch (MongoConnectionException)
@@ -50,7 +66,7 @@ public List<MyTask> GetAllTasks()
         // Creates a Task and inserts it into the collection in MongoDB.
         public void CreateTask(MyTask task)
         {
-            var collection = GetTasksCollectionForEdit();
+            var collection = this.GetTasksCollection();
             try
             {
                 collection.InsertOne(task);
@@ -63,44 +79,8 @@ public void CreateTask(MyTask task)
 
         private IMongoCollection<MyTask> GetTasksCollection()
         {
-            MongoClientSettings settings = new MongoClientSettings();
-            settings.Server = new MongoServerAddress(host, 10255);
-            settings.UseSsl = true;
-            settings.SslSettings = new SslSettings();
-            settings.SslSettings.EnabledSslProtocols = SslProtocols.Tls12;
-
-            MongoIdentity identity = new MongoInternalIdentity(dbName, userName);
-            MongoIdentityEvidence evidence = new PasswordEvidence(password);
-
-            settings.Credentials = new List<MongoCredential>()
-            {
-                new MongoCredential("SCRAM-SHA-1", identity, evidence)
-            };
-
-            MongoClient client = new MongoClient(settings);
-            var database = client.GetDatabase(dbName);
-            var todoTaskCollection = database.GetCollection<MyTask>(collectionName);
-            return todoTaskCollection;
-        }
-
-        private IMongoCollection<MyTask> GetTasksCollectionForEdit()
-        {
-            MongoClientSettings settings = new MongoClientSettings();
-            settings.Server = new MongoServerAddress(host, 10255);
-            settings.UseSsl = true;
-            settings.SslSettings = new SslSettings();
-            settings.SslSettings.EnabledSslProtocols = SslProtocols.Tls12;
-
-            MongoIdentity identity = new MongoInternalIdentity(dbName, userName);
-            MongoIdentityEvidence evidence = new PasswordEvidence(password);
-
-            settings.Credentials = new List<MongoCredential>()
-            {
-                new MongoCredential("SCRAM-SHA-1", identity, evidence)
-            };
-            MongoClient client = new MongoClient(settings);
-            var database = client.GetDatabase(dbName);
-            var todoTaskCollection = database.GetCollection<MyTask>(collectionName);
+            var database = this.client.GetDatabase(this.dbName);
+            var todoTaskCollection = database.GetCollection<MyTask>(this.collectionName).WithReadPreference(this.readPreference);
             return todoTaskCollection;
         }