Answer: 1. Since it requires an internal namespace and external, we must deploy both an internal and an external DNS namespace, both of which needs to be managed separately. The combination can be created by either of the 2 ways : By making the internal domain a subdomain of the external domain or By making use of different names for the internal and external domains. 2. We can use an Internal DNS root. If we use the DNS root, as it is no exposed to the internet. It can host the private root zone in the namespace. Then we can use the internal subdomain as a parent for additional child domains that we go onto create in order to manage divisions within our organization. A contiguous namespace is used. We have to use short internal DNS namespaces to run more levels. We create name conventions and do not use abbreviations. Basics are the uppercase characters, lower case characters and numericals. 3. By default, the DNS client never goes into a dynamic update of top-level domain zones. To configure for automatic updates, we have to use the Update Top Level Domain Zones policy setting or we can even modify the registry. 4. These servers must be in the configured domain name obviously.The servers in the perimeter network should possess a FQDNs (Fully Qualified Domain Name) consisting of host names in the second-level domain name assigned. Solution Answer: 1. Since it requires an internal namespace and external, we must deploy both an internal and an external DNS namespace, both of which needs to be managed separately. The combination can be created by either of the 2 ways : By making the internal domain a subdomain of the external domain or By making use of different names for the internal and external domains. 2. We can use an Internal DNS root. If we use the DNS root, as it is no exposed to the internet. It can host the private root zone in the namespace. Then we can use the internal subdomain as a parent for additional child domains that we go onto create in order to manage divisions within our organization. A contiguous namespace is used. We have to use short internal DNS namespaces to run more levels. We create name conventions and do not use abbreviations. Basics are the uppercase characters, lower case characters and numericals. 3. By default, the DNS client never goes into a dynamic update of top-level domain zones. To configure for automatic updates, we have to use the Update Top Level Domain Zones policy setting or we can even modify the registry. 4. These servers must be in the configured domain name obviously.The servers in the perimeter network should possess a FQDNs (Fully Qualified Domain Name) consisting of host names in the second-level domain name assigned..