Need help with networking fundamentals homework problems.

1. Select the best-practice in regards to running DHCP and DNS with redundancy.

A. Fallover

B. Primary/Backup

C. DHCP Alternates

D. Server 1 and 2

2. If a DNS server does not know the IP address of an internet-accessible web address, what device(s) does the DNS server turn to for help.

A. Public DNS server

B. Local DNS server

C. External DNS server

D. Root DNS server

3. Select the option that is not considered a top-level domain (TLD).

A. .org

B. .edu

C. google.com

D. .gov

4. Select the popular domain name server (DNS) used in most UNIX/Linux environments.

A. DNSSEC

B. DDNS

C. BIND

D. Windows Server 2012

5. This type of DNS record is used to resolve hostnames to IP addresses but is reserved for IPv6.

A. TXT

B. A

C. AAAA

D. CNAME