What are the most common obstacles to IPv6 adoption?

How is Local Loopback IPv6 represented? What are the applications of Local Loopback IPv6 address?
What is the IPv6 multicast address range (224.0.0.0 to 239.255.255.255)? (Answer must be given as ipv6-net-addr/subnet)
1. Write 2001:0db8:0000:0015:0000:0000:1a2f:1a20 in its most abbreviated format that is permitted for an IPv6 address. 2. IPv6 globally routable unicast addresses start with the first 4 hex character range from ______ to ______. 3. The IPv6 address in #1 above it which type of IPv6 address?
"IPv6" IPV6 is the replacement for IPV4. This shows a lack of vision when the Internet was created. Why do you think this statement is correct or incorrect? The IoT (Internet of Things) is a current buzzword. How do you participate in the IoT personally? How do you think IPV6 will support the IoT, and what visions do think engineers should consider? (PLEASE TYPE, PLEASE TYPE.... I CAN'T UNDERSTAND PERSONAL CURSOR!!! THANKS)
A major obstacle to the global adoption, expansion, and progress of eHealth is the lack of available healthcare workers trained in informatics and adequately prepared to work in this growing field. What unique skill set(s) are needed to work in this evolving discipline? What obstacles present themselves as informatics expands globally (i.e., education/language barriers, differences in terminology, legal issues, access to technology, and regulatory policies, etc.)? How might these challenges be overcome?
What is the purpose of the Hop Limit field in an IPv6 packet header?
Your customer has decided to deploy IPv6 in the production environment; what technical issues might there be in an IPv6 deployment, and how might they be prevented?
What is the primary reason that the preferred method of transitioning from IPv4 to IPv6 can’t be used? A. It costs too much. B. It requires a special dedicated router. C. The device does not support tunneling. D. The device does not have an IPv6 protocol stack.
In IPv6 , Networks Address Translation is considered when implementing network acrhitecture, a. What was original purpose of NAT? b. State 3 reason why NAT is not suitable for IPv6-only network? c.One of the indirect benefit of using NAT was to prevent internal computers from being accessed from Internet. How can we restrict access to internal computers when running an IPv6-only network?