Which two types of QoS functionality will be provided by Network-Based Application Recognition？（）

• A、NBAR provides the ability to configure MCQ； it is a mandatory MCQ component.
• B、NBAR provides deep packet inspection and is used for advanced packet classification.
• C、NBAR provides per-protocol packet and byte accounting functionality； it is used to track bandwidth utilization for all protocols described in the loaded PDLMs.
• D、NBAR provides scheduling in an MQC policy map using an advanced algorithm.