Refer to the exhibit. What are three of the basic components of a VoIP network？（）A、software voice applicationsB、multipoint control unit （MCU） C、gatekeeper D、call agentE、interactive voice response （IVR） systems F、softphones
Refer to the exhibit. What are three of the basic components of a VoIP network？（）
- A、software voice applications
- B、multipoint control unit （MCU）
- C、gatekeeper
- D、call agent
- E、interactive voice response （IVR） systems
- F、softphones
相关考题：
What does the underlined word “anties” refer to?”A. Smut wordsB. Unusual actions.C. Surprising LooksD. Anxious feelings.
What kind of people does "secret Santas" in the passage refer to?(No more than 12 words) (3 marks)
（1）新建一个名为“投资管理”的数据库。（2）将自由表“汇率”、“外汇账户”、“货币代码”添加到新建的“投资管理”数据库中。（3）用SQL语句新建一个表“exh”，其中包含4个字段：“币种1代码”C（3）、“币种2代码”C（3）、“买入价”N（8，4）、“卖出价”N（8，4），请将SQL语句存储于“exh．txt”中。（4）表单文件“bdl”中有一个名为“forml”的表单，请将文本框控件Text1设置为“只读”。
It is clear from the passage that Chevies refer to ______.A. the murdered coupleB. elderly owners of carsC. computersD. Chevrolets
What does“the days”in Paragraph 3 refer to?A.I maginary lifeB.Simple life in the pastC.Times of inventionsD.Time for constant activity
According to law, taxable services refer to transportation,()finance, insurance and the like.A、 operationB、 constructionC、 introduction
What does the term computer language refer to?（）A、BinaryB、DecimalC、HexadecimalD、OctalE、All of the above
At which of the following times should the administrator refer to the HCL?（）A、Prior to purchasing hardwareB、Before installationC、When installing driversD、After installation
单选题What does the underlined word “They” refer to in the third paragraph?ASome kidsBDifferent traditional PE activitiesCParentsDSummer camps and outdoor adventures
单选题Vessel’s provisions refer to（）of the vessel.Afuel oilBvegetables and foodCspare parts on boardDballast water
单选题At（）an occasional survey has been carried out．Athe remind of the masterBthe refer of the masterCthe render of the masterDthe request of the master
问答题What does “He” in the fifth paragraph refer to?