多项选择题

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

A. Hop Limit
B. Next Header
C. Fragment Offset
D. Header Checksum

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单项选择题

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

单项选择题

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.

多项选择题

What are two characteristics of the RED algorithm as implemented in JUNOS software?（）

A. It profiles based on bandwidth.
B. It profiles based on loss priority.
C. It prevents traffic loss through buffering.
D. It prevents global synchronization with tail drops.