The ________ operator can be used to calculate the number of records within a group

Which of the following uses port 23 by default?

A. TELNET B. IMAP C. FTP D. SNMP

Which statement is false?

a. When a List is backed by an array, any modifications made through the List view change the array. b. When a List is backed by an array, any modifications made to the array change the List view. c. The only operation permitted on the view returned by Arrays method asList is delete, which deletes the value from the view and the backing array. d. Adding elements to the view returned by Arrays method asList results in an UnsupportedOperationException.