Your customer has deployed a Cisco Wireless Location Appliance within its warehouseenvironment. However, employees there have been experiencing problems when tracking objects using activeRFID tags.The RFID beacon rate is 10 seconds and you have discovered an issue with the RFID timeout value. Where and how should the RFID value be changed?()
A. on the Cisco WCS, to 95 seconds
B. on the wireless controller, to 45 seconds
C. on the wireless controller, to 95 seconds
D. on the Cisco WCS, to 45 second
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某工程需挖土4800m3,分成四段组织施工,拟选择两台挖土机挖土,每台挖土机的产量定额为50m3/台班,拟采用两个队组倒班作业,则该工程土方开挖的流水节拍为()日。
A. 24
B. 15
C. 12
D. 6
我们通常所说的氨氮是指()。
A. 游离态的氨及有机氨化合物
B. 游离态的氨和铵离子
C. 有机氨化合物、铵离子和游离态的氨
D. 仅以游离态的氨形式存在的氨
耐火材料的耐火度在()℃为高级耐火材料。
A. ≤80
B. 80-1770
C. 1770-2000
D. ≥2000