Round Robin DNS is the correct choice because it is the DNS operation that involves assigning multiple IP addresses to the same Fully Qualified Domain Name (FQDN) in a rotating manner. This method allows for load balancing and distributing traffic among the different IP addresses associated with the FQDN.
Domain
F5 GTM concept

The gtmd process updates the "commit-id" value and Writes the new configuration to /config/bigip_gtm.conf file.
The Local big3d process will start to communicate the new "commit-id" value to all remote gtmd processes Correct selection The remote gtmd process will use "iqsyncer " utility to pull the new configuration related to the new
"commit-id"
The "mmsh" will communicate the Configuration changes to the "ncpd" process The mcpd process will forward the Configuration changes to the gtmd process The ltmd process updates the "commit-id" value and Writes the new configuration to /config/bigip_ltm.conf file.
The Local big3d process will start to communicate the new "commit-id" value to all remote gtmd processes In the communication flow when changing the configuration of the Synchronization Group, the "tmsh" process is responsible for communicating the configuration changes to the "mcpd" process. The "mcpd" process then forwards these changes to the "gtmd" process to ensure synchronization across devices.
During the configuration change process, the "gtmd" process is responsible for updating the "commit-id" value and writing the new configuration to the /config/bigip_gtm.conf file. Subsequently, the local "big3d" process initiates communication of the new "commit-id" value to all remote gtmd processes to maintain consistency.
Following the update of the "commit-id" value and writing the new configuration to the
/config/bigip_gtm.conf file, the remote gtmd process utilizes the "iqsyncer" utility to pull the new configuration related to the updated "commit-id" value. This ensures that all devices in the Synchronization Group have the latest configuration.
Domain
iQuery Synchronization issue

Disabling the name resolution of the hostname and service port using the "-nn" filter in the tcpdump command means that the command will not perform any DNS lookups to resolve the identified host and service port to their corresponding names. This can be useful in situations where DNS resolution may introduce delays or where the focus is solely on the IP addresses and port numbers without the need for hostnames.
Domain
TCPDUMP

The topology record in F5 GTM is a set of parameters and settings that need to be defined to enable the F5 BigIP DNS to respond with the correct resource based on the Geo Location Information. This record helps in directing traffic to the most appropriate server based on the geographical location of the client, ensuring efficient and optimized load balancing.

Defining the NTP Server for each Synchronization group member ensures that all members are referencing the same time. This is crucial for maintaining consistency and accuracy in the synchronization of data and operations across all members of the group.
Domain
Synchronization