Which two statements about class maps are true? (Choose two.)
A.
As many as eight DSCP values can be included in a match dscp statement.
B.
The default parameter on a class map with more than one match command is match-any.
C.
The match class command can nest a class map within another class map.
D.
A policy map can be used to designate a protocol within a class map.
Answer A:
Router(config-cmap)# match [ip] dscp dscp-value [dscp-value dscp-value dscp-value dscp-value
dscp-value dscp-value dscp-value]
(Optional) Identifies a specific IP differentiated service code point (DSCP) value as a match
criterion. Up to eight DSCP values can be included in one match statement.
Answer C.
Router config-cmap)# match class-map class-name
(Optional) Specifies the name of a traffic class to be used as a matching criterion (for nesting
traffic class [nested class maps] within one another).
Reference.
http://www.cisco.com/c/en/us/td/docs/ios/12_2/qos/configuration/guide/fqos_c/qcfmcli2.html