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多項(xiàng)選擇題

Choose two commands that are required to enable multicast on a router， when it is known that thereceivers use a specific functionality of IGMPv3.（）

A.ip pim rp-address
B.ip pim ssm
C.ip pim sparse-mode
D.ip pim passive

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單項(xiàng)選擇題

What is also called Type 0 authentication in OSPF on Cisco Routers？（）

A.MD5
B.There is no Type 0 authentication
C.SHA1
D.Null

單項(xiàng)選擇題

Which protocol and port have been assigned by IANA for RADIUS authentication？（）

A.UDP/1812
B.UDP/1813
C.TCP/1812
D.TCP/1813

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