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單項(xiàng)選擇題

What is the default routing update period for RIPv2?（）

A. 15 seconds
B. 30 seconds
C. 180 seconds
D. 240 seconds

單項(xiàng)選擇題

An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm?（）

A. The PC has connectivity with a local host.
B. The PC has connectivity with a Layer 3 device.
C. The PC has a default gateway correctly configured
D. The PC has connectivity up to Layer 5 of the OSI model
E. The PC has the TCP/IP protocol stack correctly installed.