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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Management Connectivity & Status | 20% | - Identify management IP, network settings and device status |
| Topic 2: Authentication & System Services | 15% | - Config sync and system services - Authentication methods and user roles |
| Topic 3: Upgrades & Service Status | 10% | - Determine upgrade eligibility - Interpret service status and health |
| Topic 4: System Backup & Restore | 15% | - Create, manage and restore UCS archives |
| Topic 5: Logging & Troubleshooting | 20% | - Identify log files and usage
|
| Topic 6: High Availability Management | 20% | - Manage high availability pair state
|
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NEW QUESTION # 35
Which method is recommended for creating a new user from the CLI? (Choose one answer)
Answer: A
Explanation:
The recommended and supported method for creating BIG-IP users from the CLI is through TMSH, using the authentication subsystem.
tmsh create auth user <username> prompt-for-password:
Properly creates the user within BIG-IP's AAA/authentication framework
Encrypts the password securely
Ensures the user is stored and managed correctly in the BIG-IP configuration database Is fully supported and documented
NEW QUESTION # 36
As an organization grows, more people have to log into the BIG-IP. Instead of adding more local users, the BIG-IP Administrator is asked to configure remote authentication against a central authentication server.
Which two types of remote server can be used here? (Choose two answers)
Answer: B,D
Explanation:
Comprehensive and Detailed Explanation From BIG-IP Administration Control Plane Administration documents:
BIG-IP supports remote authentication by integrating with centralized authentication services through its AAA framework. The supported and commonly used remote authentication servers include:
LDAP (A)
Used to authenticate users against directory services such as Active Directory or other LDAP-compliant directories.
RADIUS (C)
Commonly used for centralized authentication, authorization, and accounting, especially in network and security environments.
Why the other options are incorrect:
OAUTH (B) is an authorization framework, not supported as a direct administrative authentication backend for BIG-IP management access.
SAML (D) is primarily used for single sign-on (SSO) in application authentication scenarios, not for BIG-IP administrative login authentication.
Thus, the correct remote authentication server types are LDAP and RADIUS.
NEW QUESTION # 37
A BIG-IP Administrator needs to restore an encrypted UCS archive from the command line using the TMSH utility. Which TMSH command should the BIG-IP Administrator use to accomplish this?
Answer: D
Explanation:
Restoring system states from backups is a fundamental Control Plane administrative task2. When a User Configuration Set (UCS) archive is created with encryption, it requires the correct passphrase to be decrypted and loaded during the restoration process.
* UCS Command Structure: The tmsh load /sys ucs command is the specific utility for restoring these comprehensive configuration archives.
* Encrypted Restores: If the archive was encrypted during creation, the passphrase argument must be appended to the command followed by the actual password used to encrypt the file.
* Comparison with Other Options:
* load /sys config file is used for loading text-based configuration files (like bigip.conf), not full UCS archives6.
* The no-license flag is used when you want to restore a configuration without overwriting the existing license (common during RMA replacements), but it does not provide the mechanism for entering an encryption passphrase.
NEW QUESTION # 38
A BIG-IP Administrator wants to allow management access only from a specific subnet. Where should this be configured?
Answer: A
Explanation:
Management access security is a primary Control Plane configuration task.
Management Interface Security: The BIG-IP system provides a dedicated management port that is separate from the TMM (Traffic Management Microkernel) data interfaces.
System Platform Settings: Under the System > Platform section of the Configuration Utility, an administrator can define specific IP addresses or subnets that are permitted to access the device via SSH or HTTPS (the GUI).
Port Lockdown Difference: While "Port Lockdown" settings under Network > Self IPs control access to the device through self-IP addresses on data VLANs, they do not manage the security of the dedicated management port .
Access Control Lists: For robust security, F5 recommends using the "IP Allow" or "httpd Allow" lists found in the platform settings to prevent malicious brute-force attempts or unauthorized access from non-management networks .
NEW QUESTION # 39
A BIG-IP Administrator finds the following log entry: tnm tmm[7141]: 011e0002:4: sweeper_update:
aggressive mode activated. Which action should the BIG-IP Administrator take to mitigate this memory issue?
Answer: B
Explanation:
This log message indicates that the system is low on memory and has activated 'Aggressive Mode' to reclaim resources by closing old connections37. In an HA environment, one way to ensure state stability during memory pressure is to manage how connection data is handled38. While the document suggests D, procedural mitigation for 'Aggressive Mode' often involves reviewing resource provisioning or optimizing connection idle timeouts to reduce memory footprint39.
NEW QUESTION # 40
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