单项选择题
Which of the following should be used to test an internal NIC without having to connect it to thenetwork?（）
A. Loopback cable
B. Crossover cable
C. Rollover cable
D. Straight cable
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相关考题
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单项选择题
A stateless firewall requires a technician to:（）
A. Write more packet filters.
B. Write less packet filters.
C. Purchase a license for states.
D. Upgrade definitions manually -
单项选择题
How many bits are in an IPv6 address?（）
A.32
B.64
C.128
D.256 -
单项选择题
A small office in which all workstations are using an ISP provided IP range has noticed a consistent decrease in network traffic speed. The decrease does not occur when the gateway to the ISP is disconnected. Which of the following should the administrator implement?（）
A. Multicast addressing
B. Load balancing
C. Address translation
D. DHCP
