create\remove PSSession to Exchange server

exchange_remote_connect.ps1

$q=Read-Host -Prompt "connect\disconnect"
switch ($q) {
    {$q -eq "connect"} {$fqdn=Read-Host -Prompt "Enter FQDN"
                        $UserCredential = Get-Credential
                        $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri http://"$fqdn"/PowerShell/ -Authentication Kerberos -Credential $UserCredential
                        Import-PSSession $Session -DisableNameChecking}
    {$q -eq "disconnect"} {Remove-PSSession $Session}
}