Wireshark-users: [Wireshark-users] Display filter help need. how to do these filters? DNS /L2 ove

From: false <jctx09@xxxxxxxxx>
Date: Thu, 20 Feb 2014 14:10:45 -0800 (PST)
Can someone provide an example please on how to do these filters (display and/or capture)?

1) DNS filter to see how all UNANSWERED queries. ??

2) L2 Overhead - Can I get filter out all L2 overhead to see what the total amount of data sent was with and without L2 overhead. ??

Thank you,