Acompany switches to a voip pbx network from the traditional pbx system. the network utilizes the sip protocol for all the communications. however, the network technician has been receiving complaints from the users that they are unable to call. upon troubleshooting, the network administrator finds that the firewall is blocking the required ports. which of the following ports should be opened on the firewall for proper communication?

b. related objects

explanation:

data is stored in related objects in an access database.

the answer to your question would be something called hertz. the unit of measurement called a hertz, which is one cycle per second, is used to measure clock speed. within one cycle, your computer processes, refreshes, or updates itself to the changes that it is going through. in the case of computer clock speed, one hertz equals one tick per second. the clock speed of computers is usually measured in megahertz (mhz) or gigahertz (ghz)

the answer is b. executive summary. a management summary, or executive summary, is a short article or section of a document, produced for business purposes, that condenses a longer report or proposal or a group of related reports in such a way that readers can rapidly become familiar with a large body of material without having to read it all.