44. Which of these technologies uses encrypted tunnels to allow for a remote computer or network to act as if it's connected to a network that it's not actually physically connected to?
It provides addresses that are easier for people to remember.
47. A video conferencing application isn't working due to a Domain Name System (DNS) port error. Which resource record requires modification to fix the issue?
50. Fill in the blank: Most VPNs work by using the payload section of the _____ layer to carry an encrypted payload that contains an entire second set of packets.