单项选择题
An administrator is implementing a second server due to the increased usage. Which of the following optimization techniques is the administrator using?（）
A. Caching engines
B. QoS
C. Traffic shaping
D. Load balancing
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单项选择题
A technician needs to install additional access points for a new high speed connection being added in the new office space. Which of the following will MOST likely be installed to allow additional CAT5 cable connections?（）
A. Smart Jack
B. Demarc
C. 110 Block
D. 66 Block -
单项选择题
Which of the following LAN technologies is considered fast Ethernet and uses two pairs of cabling,one pair for sending and the other pair for receiving?（）
A.100Base-T4
B.100Base-TX
C.100Base-X
D.100Base-FX
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单项选择题
A user reports being occasionally disconnected from the server. Which of the following tools couldthe technician use to determine if it is the client or the server that is dropping the connection?（）
A. Packet sniffer
B. Multimeter
C. Load balancer
D. Throughput tester
