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單項選擇題

Which of the following is true about an IP address if the first bit is a zero?（）

A. The address is a Class A address.
B. The address is a Class B address.
C. The address is a Class C address.
D. The address is a Class D address.

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單項選擇題

Which of the following cable speeds would provide the GREATEST theoretical bandwidth?（）

A.1000Base-T
B.100Base-T
C.10GBase-T
D.10Base-T

多項選擇題

Which of the following network topologies BEST describes a VPN? （）(Select TWO)

A. Point to Point
B. Point to Multipoint
C. VLAN
D. Ring
E. Bus

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