Which of the following applies to a dns caching server? (choose all that apply.)

group of answer choices
__it eliminates the need to have dns replication
__it contains optimized dns zone databases
__it is used to enable fast dns queries.
__it can reduce the amount of network traffic generated by dns servers

Jill wants to become a network professional. which certification would be useful for her? a. mcse b. pmp c. comptia a+ d. ccie

Janice usually works on a particular workbook that contains all business related data. she decides to keep a backup of all the data in a separate workbook. she opens a new workbook to transfer the data. which option should she use to copy all the data from one workbook to another workbook?

William travels a lot on business purpose. he needs to regularly communicate with his business partner. he also needs to send out weekly reports to his boss while he is traveling. which web-based application best suits william’s needs? (social media, webmail, wiki) is the best web-based application for william. he can access this application via the internet using a (digital cable, fax machine, web browser).