Now, it's time to check your knowledge. Select the best response, then check your answers with those provided in the Assessment:

1. When creating a display filter, if the background is ____, then you have entered a valid filter.
   1. Red
   2. Green
   3. Yellow
   4. Cyan
2. When creating an expression using the expression builder, you can refine the filter by modifying any of the four variables listed on the right-hand side, which are Relation, _____, Predefined Values, and Range.
   1. Float
   2. Integer
   3. Value
   4. Boolean
3. To create a capture filter to see only DNS requests and responses you would enter _____ in the capture filter.
   1. tcp port 53
   2. DNS
   3. dns
   4. udp port 53
4. If you need to build a complex filter, then use the _____ Builder.
   1. Expression
   2. Berkley
   3. EPAN
   4. Dissector
5. When using either Apply as a Filter or Prepare a Filter, you will see additional choices to create a simple filter or add logical operators. _____ adds a filter that removes the selected field.
   1.  ...or Selected
   2. ...and Selected
   3. Not Selected
   4. ...and not Selected