Which of the following is a correct statement? a. the include nulls keywords can be included in the argument for the count function to include null values in the results. b. the null keyword can be included in the argument of the count function to include null values in the results. c. an asterisk can be used as the argument for the count function to include null values in the results. d. the all keyword can be included in the argument of the count function to include null values in the results.

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

Once the data center routes to the destination server that hosts the website, what's the next step in the internet process? user’s browser renders html code from destination server into web page request goes through router/model and isp request routed to nameserver and datacenter

When you type the pwd command, you notice that your current location on the linux filesystem is the /usr/local directory. answer the following questions, assuming that your current directory is /usr/local for each question. a. which command could you use to change to the /usr directory using an absolute pathname? b. which command could you use to change to the /usr directory using a relative pathname? c. which command could you use to change to the /usr/local/share/info directory using an absolute pathname? d. which command could you use to change to the /usr/local/share/info directory using a relative pathname? e. which command could you use to change to the /etc directory using an absolute pathname? f. which command could you use to change to the /etc directory using a relative pathname?