Which Windows Control Panel is used to adjust virtual memory?

A technician, Joe, needs to troubleshoot a recently installed NIC. He decides to ping the local loopback address. Which of the following is a valid IPv4 loopback address?

A. 10.0.0.1 B. 127.0.0.1 C. 172.16.1.1 D. 192.168.1.1

A linked list is

a) fixed in size b) can vary in size, shrinking or growing as there is need c) can be set, and then not changed other than destroying the list d) none of the above