The correct command to display a summary of GTM/DNS statistics in TMSH is 'tmsh show /gtm'. This command specifically targets the Global Traffic Manager (GTM) module and provides detailed statistics related to DNS services and configurations within the GTM module. Using this command will give you a comprehensive overview of GTM/DNS statistics.
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iQuery Synchronization issue

When freezing the Zone file of the Zone, dynamic updates cannot occur. This means that any changes or updates to the Zone file will be restricted, ensuring that the Zone remains static and unchanged during the freeze period.
Freezing the Zone file does not impact normal name resolution. The DNS server will still be able to resolve domain names and provide the necessary information to clients, even though dynamic updates are disabled during this time.
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ZoneRunner

Full Zone Transfer is a type of Zone Transfer that transfers the entire zone file from the primary DNS server to the secondary DNS server. This type of transfer is typically used when setting up a new secondary server or during a full synchronization of zone data between servers.
Incremental Zone Transfer is a type of Zone Transfer that transfers only the changes or updates made to the zone file since the last transfer. This type of transfer is more efficient than a full transfer as it reduces the amount of data transferred between servers, saving bandwidth and time.

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F5 GTM concept

The Wide-IP in F5 GTM Implementation is responsible for load balancing among the associated Pools. It distributes incoming client requests among the different pools of resources based on the load balancing method and criteria configured for each pool. This allows for efficient distribution of traffic and optimal utilization of resources within the system.