日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美 国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

單項選擇題

MightyResearch indicated that a significant percentage of SMBs are concerned about which factor in a UC solution?()

A. non-Cisco vendors providing more viable SMB solutions
B. costs out-weighing benefits
C. cost savings to justify replacing existing legacy systems
D. minimized call-center effectiveness

微信掃碼免費搜題