Dns uses udp instead of tcp. if a dns packet is lost, there is no automatic recovery. does this cause a problem, and if so, how is it solved?

When running anti-virus software , what could be a reason where recipitent is not guaranteed that data being streamed will not get interrupted?

Research data that is presented using descriptive language is said to be

Jason is working on a microsoft excel worksheet and he wants to create a print preview shortcut. his teacher asks him to access the customization option to create the new shortcut. which two tabs should jason select to place the print preview shortcut on the worksheet toolbar? a. new tab (custom) and new group (custom) b. new file tab (custom) and new tab (custom) c. new custom group and new command d. new custom tab and new command