A.Yes, you can allow Members to specify different landing pages for each capture page. You can also allow them to specify a default landing page for pages that do not have a specific link defined. Members can browser through the thumbnails of landing pages and click a button beneath the thumbnail to make that page their default landing page.
1- when editing the page click the Page Settings from top menu -> Password Protect, and you will see an option for password protection where you can turn it on to have it password protected. Then click save changes.
2- Now this page will redirect to http://YOURDOMAIN/leadlogin.php
Each contact has a password assigned to them. You can put the password into an email sent to them using the code ~password~. You can view/edit the password when editing the contact.