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單項(xiàng)選擇題

What is the default protocol preference for OSPF internal routes?（）

A.10
B.15
C.150
D.160

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單項(xiàng)選擇題

Given the routing entries shown in the exhibit, which next-hop IP address will be used for the destination IP address 192.168.1.142? （）

A. 10.20.106.10
B. 10.20.14.131
C. 10.18.1.1
D. 10.20.14.130

多項(xiàng)選擇題

Which three protocols use UDP as a transport protocol by default?（）

A. HTTP
B. TFTP
C. DNS
D. SNMP
E. SMTP

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