多项选择题

Which two options are contained in a VTP subset advertisement？（）

A.followers field
B.MD5 digest
C.VLAN information
D.sequence number

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单项选择题

Refer to the exhibit. In the diagram，the switches are running IEEE 802.1w RSPT. On which ports should root guard be enabled in order to facilitate deterministic root bridge election under normal and failure scenarios？（）

A. GE-3/1， GE-3/2
B. FE-2/1， FE-3/2
C. GE-1/1， GE-1/2
D. GE-4/1， GE-4/2
E. GE-2/1， GE-2/2
F. GE-3/1， GE-3/2， GE-4/1， GE-4/2， FE-2/1， FE-3/2

多项选择题

Whenyouaretroubleshootingduplexmismatches，whichtwoerrorsaretypicallyseenonthefull-duplexend？（）

A.runts
B.FCS errors
C.interface resets
D.late collisions

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