Which two are valid fields in an IPv6 header?（）

You have a firewall filter applied in an inbound direction on a customer interface. You would like this filter to protect your network from a spoofed denial of service attack. Which action should be configured to accomplish your goal?（）

A. then reject
B. then discard
C. then next filter
D. then silent-drop

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Which code causes only a Level 2 adjacency to be formed under the SONET interface so-2 2 2 withFrame Relay encapsulation?Which code causes only a Level 2 adjacency to be formed under the SONET interface so-2 2 2 with Frame Relay encapsulation?（）

A.
B.
C.
D.

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