Pass the F5 BIG-IP DNS 302 Questions and answers with CertsForce

Explanation

DNSSEC stands for Domain Name System Security Extension. It is a set of extensions to DNS that add security features such as data origin authentication, data integrity, and authenticated denial of existence to the DNS protocol. By digitally signing DNS data, DNSSEC helps prevent DNS spoofing and cache poisoning attacks, enhancing the overall security of the DNS infrastructure.

Domain

F5 GTM concept

Explanation

The "TXT" record in DNS stands for text record and allows the system administrator to enter specific text information into the DNS system. This text can be used for various purposes such as verifying domain ownership for services like email authentication, providing additional information about the domain, or setting up SPF records for email security.

Domain

F5 GTM concept

Explanation

The command "tmsh list /gtm server all" is the correct way to display a summary of all defined GTM Server Objects in the Traffic Management Shell (TMSH). This command lists all GTM server objects in a concise format for easy reference and troubleshooting.

The command "tmsh show /gtm server all" is another correct way to display a summary of all defined GTM Server Objects in the Traffic Management Shell (TMSH). This command provides detailed information about each GTM server object, including configuration settings and status, allowing for a more in-depth analysis of the server objects.

Domain

iQuery Synchronization issue

Explanation

The Order in topology records configuration is crucial as it identifies the position of the record within the record list. This is important because the order in which records are listed can impact how traffic is directed and resolved by the GTM system. By setting the correct order, you can ensure that the desired record is prioritized and used effectively in the resolution process.

Explanation

Round Robin DNS is the correct choice in this scenario because it is a method of load balancing where multiple IP addresses are associated with a single domain name. When a client requests the IP address for the domain, the DNS server responds with a different IP address each time in a rotating manner, distributing the traffic evenly among the servers. This helps in distributing the load and improving the overall performance and availability of the services.

Domain

F5 GTM concept

Explanation

True. The Client can perform the "SOA" Record Lookup even before opening a TCP connection. This is because the SOA (Start of Authority) record is a DNS resource record that contains administrative information about the DNS zone. It can be queried by the client before establishing a TCP connection to the server.

Domain

Zone Transfer

Explanation

The GTM Prober pool Configuration Object is a group of BIG-IP Systems that are used to perform health checks and monitor the availability of resources. These systems are responsible for probing the status of servers and making decisions based on the health of those servers.

Domain

GSLB -GTM Configuration components

Explanation

The main role of the Top-Level Domain ".com" in a domain like "www.f5.com" is to identify the type of organization or entity the website belongs to, in this case, a commercial entity. It does not directly resolve the IP address of the specific domain "F5".

Explanation

Identifying how the F5 BIG-IP system will handle the traps involves configuring settings such as which traps to send, the severity levels for sending traps, and any custom actions to take when specific traps are triggered. This configuration is essential for ensuring that the system effectively communicates important events to the SNMP Manager.

Identifying the destination SNMP Manager to which the notification traps will be sent is crucial for ensuring that the traps are received and processed by the appropriate monitoring system. This configuration specifies the IP address or hostname of the SNMP Manager where the traps will be sent, enabling effective communication of system events.

Domain

SNMP

Explanation

The short name of the Top-level Domain is commonly referred to as TLD in the domain name system. It represents the highest level in the hierarchical domain naming structure.