Which of the following ports should be open in order for Sara and Pete, users, to identify websites by domain name?

A. TCP 21
B. UDP22
C. TCP 23
D. UDP 53


Answer: D. UDP 53

Computer Science & Information Technology

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In enterprise resource planning (ERP) systems, retailers as well as manufacturers use _____ to match production to consumer demand and to allocate products to stores.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

The preset search is for ____, but you can change the preset to search for settings or files.

A. files B. applications C. Bing D. settings

Computer Science & Information Technology

Which of the following is an advantage of chained hash table (external hashing) over the open addressing scheme?

a. Deletion is easier. b. Space utilization is less. c. The worst-case complexity of search operations is less. d. None of the above.

Computer Science & Information Technology

Which OSI layer is responsible for adding a header that includes information used in routing?

A) Application B) Data Link C) Physical D) Network

Computer Science & Information Technology