单项选择题
When a host transmits data across a network to another host, which process does the data go through?（）
A. standardization
B. conversion
C. encapsulation
D. synchronization
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相关考题
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单项选择题
A network admin wants to know every hop the packets take when he accesses cisco.com. Which command is the most appropriate to use?（）
A. path cisco.com
B. debug cisco.com
C. trace cisco.com
D. traceroute cisco.com -
单项选择题
Which line from the output of the show ip interface command indicates a layer 1 problem?（）
A. Serial0/1 is up, line protocol is down
B. Serial0/1 is down, line protocol is down
C. Serial0/1 is up, line protocol is up
D. Serial0/1 is administratively down, line protocol is down -
单项选择题
Which statement about IPv6 is true?（）
A. Addresses are not hierarchical and are assigned at random.
B. Only one IPv6 address can exist on a given interface.
C. There are 2.7 billion addresses available.
D. Broadcasts have been eliminated and replaced with multicasts.
