3. Choose the right statement bellow: Excel can not import external data from a. Access
b. SQL-Server
c. Speech files
d. Text files
4. In Excel, address can be written in forms:
a. BC23, $$BC23, $BC$23, BC$23
b. BC23, $BC23, $BC$23, BC$23
c. BC23, $BC23, B$C$23, BC$23
d. BC23, $BC23, $BC$23, B$C$23
5. In Excel, at B2 an user put the string “Nguyen Van Hoa”. In order to get name “Hoa” in cell C2, the
user need:
a. =Left(B2,3)
b. =Left($B2,3)
c. =Left(B$2,3)
d. All of above answers

What a backup plan that you have created in a event you encounter a situation

What is wi-fi infrastructure? a metropolitan area network that uses radio signals to transmit and receive data a communications technology aimed at providing high-speed wireless data over metropolitan area networks a means by which portable devices can connect wirelessly to a local area network, using access points that send and receive data via radio waves includes the inner workings of a wi-fi service or utility, including the signal transmitters, towers, or poles and additional equipment required to send out a wi-fi signal

Someone plzz me which of these defines a social search? a. asking a search engine a question that is answered by a real person on the other sideb. modifying search results based on popularity of a web pagec. modifying search results based on a ranking of a web page