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| Section | Weight | Objectives |
|---|---|---|
| Initial Setup and Configuration | 20% | - NTP and DNS configuration - Initial provisioning (Provisioning, License) - Network configuration (VLANs, Self IPs, Routes) - Network failover setup - User management and role-based access |
| Troubleshooting and Support | 25% | - Logging and log configuration - tcpdump and network capture - Performance and resource monitoring - SNMP and monitoring - iRules debugging - Common troubleshooting scenarios |
| Architecture and Components | 15% | - BIG-IP system architecture - High availability (HA) configurations - Device service clustering (DSC) - Traffic flow and packet processing |
| Security and Access | 10% | - User authentication (Remote Auth, LDAP, RADIUS) - Packet filtering - Role-based access control (RBAC) - SSL/TLS configuration |
| Local Traffic Management (LTM) | 30% | - Health monitors and monitory types - Load balancing modes - iRules and persistence profiles - Pools and pool members - Virtual servers (Standard, Performance L4, Forwarding) - SSL profiles and offloading |
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NEW QUESTION # 46
A gateway_icmp health monitor is configured on a pool. The BIG-IP Administrator is investigating why the pool is reported as down while the server is online. Other pools with servers in the same subnet are correctly monitored. What can cause this behavior? (Choose one answer)
Answer: C
Explanation:
A gateway_icmp monitor checks basic network reachability by sending ICMP echo requests (pings) to the pool member or its gateway. If the pool is marked DOWN while the server is confirmed to be online, the most likely cause is that ICMP traffic is being blocked.
Ahost-based firewall active on the server (Option C)can block ICMP echo requests or replies, preventing BIG-IP from receiving a successful response to the health check. This results in the monitor failing and the pool member being marked down, even though the server and application are otherwise functioning normally. This explanation is consistent with the scenario where other servers in the same subnet work correctly, indicating that routing and BIG-IP configuration are not the issue.
NEW QUESTION # 47
Which file should the BIG-IP Administrator check to determine when a Virtual Server changed its status from RED to GREEN?
Answer: A
Explanation:
Status changes for local traffic objects (Virtual Servers, Pools, Nodes) are recorded in the Local Traffic Manager (LTM) log.
Health State Logging: When a health monitor marks a resource as available (Green) or unavailable (Red), the system generates a log message in /var/log/ltm.
Log Entry Example: A transition from Red to Green will appear as a message similar to:
01010027:3: Pool /Common/my_pool member /Common/10.0.0.1:80 monitor status up.
NEW QUESTION # 48
A BIG-IP Administrator needs to determine why only one pool member is showing connections from the virtual server, resulting in uneven load balancing. What two reasons would cause uneven load balancing? (Choose two answers)
Answer: A,D
Explanation:
Uneven load balancing on a BIG-IP system typically occurs when traffic is not distributed evenly across all available pool members. One common reason is thatmonitors have marked down multiple pool members (Option B). When health monitors fail for specific pool members, BIG-IP automatically removes those members from load-balancing decisions. As a result, traffic is sent only to the remaining healthy member, creating the appearance that load balancing is not functioning correctly.
This behavior is expected and aligns with BIG-IP's design to ensure traffic is sent only to healthy resources.
Another frequent cause isthe presence of a persistence profile on the pool or virtual server (Option C). Persistence (such as source address or cookie persistence) forces subsequent client connections to be sent to the same pool member for session continuity. While persistence is critical for certain applications, it can override the load-balancing algorithm and cause most or all traffic to be directed to a single pool member, especially during low traffic volumes or testing scenarios.
NEW QUESTION # 49
A user wants to use the iHealth Upgrade Advisor to determine any issues with upgrading TMOS.
Where can the user generate the QKView to upload to iHealth?
Answer: B
Explanation:
To utilize the F5 iHealth service, a BIG-IP Administrator must generate a diagnostic snapshot of the system known as a QKView file.
GUI Path: In the BIG-IP Configuration Utility (GUI), the QKView generation tool is located under System > Support.
Process: On the Support page, the user selects the "New Support Snapshot" button. From there, they ensure "QKView" is selected. Once the BIG-IP finishes collecting the data (which includes logs, configuration, and hardware statistics), the user can download the resulting .qkview file directly to their local machine.
iHealth Integration: This file is then uploaded to ihealth.f5.com. The Upgrade Advisor tool within iHealth specifically parses this QKView to check the current configuration against known bugs, hardware limitations, or syntax changes in the target TMOS version.
NEW QUESTION # 50
Which menu should you use on the BIG-IP Configuration Utility to generate a QKView support file? (Choose one answer)
Answer: A
Explanation:
A QKView is the primary diagnostic file used by F5 Support to analyze BIG-IP system health, configuration, performance, and logs. It collects a wide range of data, including running configuration, license details, module provisioning, hardware status, logs, statistics, and diagnostic command output. Generating a QKView is a standard first step when troubleshooting issues or opening a support case with F5.
In the BIG-IP Configuration Utility (GUI), the correct location to generate a QKView is System > Support (Option C). This menu is specifically designed for support and troubleshooting activities. From this section, administrators can create QKView files, upload them directly to F5 iHealth, or download them locally for later analysis or submission to F5 Support.
The other options are incorrect:
System > Configuration (Option A) is used for system-wide settings such as device name, NTP, and DNS.
System > Archive (Option B) is used to create UCS backups, not diagnostic QKViews.
System > Logs (Option D) is used to view and manage log files, not to generate support bundles.
This workflow is clearly documented in BIG-IP Administration and Support guides and is considered a best practice for efficient troubleshooting and support engagement.
NEW QUESTION # 51
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