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| Section | Weight | Objectives |
|---|---|---|
| Server Monitoring | 20% | - Health and Performance Monitoring
|
| Server Maintenance | 16% | - Maintenance Operations
|
| Server Management | 22% | - PowerEdge Administration Tools
|
| System Administration | 20% | - Operating System and Security Administration
|
| Troubleshooting | 22% | - Hardware and System Diagnostics
|
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NEW QUESTION # 270
You have installed RHEL and reboot the PowerEdge server. You see this output displayed when the system boots:
Booting from PCIe SSD in Slot 5 Index 0: Red Hat Enterprise Linux
UEFI0073: unable to boot PCIe SSD in slot 5 Index 0: Red Hat Enterprise Linux because of the security Boot policy.
Boot Failed: PCIe SSD in Slot 5 Index 0: Red Hat Enterprise Linux
Booting from Disk connected to front USB 1: Cruzer Fit
UEFI0073: Unable to boot Disk connected to front USB 1: Cruzer Fit because of the Security Boot policy.
Boot Failed: Disk connected to front USB 1: Cruzer Fit
No boot device available or Operating System detected.
Please ensure a compatible bootable media is available.
Available Actions:
Fl to Continue and Retry Boot Order
F2 for System Setup (BIOS)
Fll for Boot Manager
Which component is the cause of the error?
Answer: B
Explanation:
The UEFI0073 boot fault combined with explicit notifications regarding a security boot policy failure indicates that the Unified Extensible Firmware Interface (UEFI) Secure Boot mechanism has rejected the operating system bootloader. In the architecture of modern Dell PowerEdge servers, the operating system bootloader image for enterprise Linux environments (such as Red Hat Enterprise Linux) is frequently deployed onto an internal BOSS-N1 (Boot Optimized Storage Solution) controller card. The BOSS-N1 is an optimized hardware-RAID controller holding dual M.2 NVMe solid-state storage drives dedicated entirely to host operating system execution. When the platform security framework verifies the cryptographic signatures of the bootloader file during early initialization phases, any mismatch against the signature keys enrolled within the system firmware results in an immediate execution block. While the underlying cryptographic elements are managed by platform keys, the specific physical component causing the initialization failure loop is the BOSS-N1 storage subsystem hosting the unvalidated OS image. To remedy this behavior, the administrator must either enroll the required Red Hat enterprise certificate authorities or adjust Secure Boot enforcement within System Setup.
Study Guide References: Troubleshooting; Boot Optimized Storage Solution (BOSS-N1); UEFI Secure Boot Architecture.
NEW QUESTION # 271
A Dell EMC PowerEdge server logs the following CPU Machine Check error: CPU1 IERR.
What action might be required to solve the alert?
Answer: D
NEW QUESTION # 272
You have replaced a failed drive in slot three for the second time but it's not detected by the PERC. A diagnostic test using the PERCCLI utility indicates that other drives are working properly. What is a possible issue?
Answer: D
Explanation:
When a replacement hard drive or solid-state drive fails to be recognized or initialize after multiple swap attempts in the exact same physical slot, the issue typically stems from a localized physical layout failure rather than a global controller fault. The PowerEdge RAID Controller (PERC) utilizes a command-line interface tool called PERCCLI to query storage topology and interact with attached physical disk objects.
Because the PERCCLI diagnostics verify that all other member drives across the remaining slots are functioning normally and communicating flawlessly with the controller, the core integrity of the PERC assembly itself is validated. This isolates the failure to a point-of-failure unique to that specific node coordinate. The root cause is almost exclusively a hardware defect within the physical storage backplane, a damaged or bent pin inside the slot 3 SAS/SATA connector receptacle, or a loose internal signal/power cable linkage connecting that specific backplane segment. Mechanical wear from inserting drives can degrade the slot interface, preventing proper electrical contact. Study Guide References: Troubleshooting; Storage Subsystem Diagnostics; PERCCLI Command Operations and Backplane Isolation.
NEW QUESTION # 273
You are managing a PowerEdge R570 and iDRAC is not reachable on the Network. You need to collect iDRAC details on the server. Which two tools will allow you to get the iDRAC details?
Answer: A,D
Explanation:
When network connection faults block remote access to the Integrated Dell Remote Access Controller (iDRAC) on a Dell PowerEdge R570 server, administrators must switch to local or alternate firmware interfaces to perform inventory extraction and log collection. The first tool capable of harvesting this data in an isolated scenario is the RACADM (Remote Access Controller Admin) command-line utility. If the host operating system is functional, a local in-band RACADM instance communicates with the management processor directly through internal system interface drivers, letting the technician run diagnostic commands and capture inventory blocks directly to the OS command prompt without network routing. The second tool is the pre-boot Lifecycle Controller (LCC) interface. By rebooting the server and pressing F10 during POST, the engineer accesses a local, firmware-driven UI that reads device inventories and logs from the persistent flash storage container. Conversely, centralized management systems like OpenManage Enterprise (OME) are completely ineffective because they depend entirely on the disrupted out-of-band network links to pull device states.
Study Guide References: Troubleshooting; Local RACADM Command Architectures; Lifecycle Controller Maintenance Utilities.
NEW QUESTION # 274
Case Study 4
A company is experiencing a noticeable decrease in performance when accessing data on their Dell EMC Isilon cluster. The cluster hosts Microsoft Windows home directories and general purpose file shares. In addition, a file pool policy moves data that has not been modified in six months to an achieve tier.
The administrator wants your assistance in understanding the reason for the slow data access. The number of users accessing the cluster has not changed. The administrator has shared the following baseline metrics. The outputs were captured from a performance- acceptable time frame.
Trace route shows:
- 3 hops between clients and the cluster
- Average latency is 3 ms
Iperf shows:
- 940 Mb/s average bandwidth
- 005 ms average jitter
Netstat on the local network shows:
- 05% average re-transmission rate
Hostcache list:
- 20 ms average roundtrip time across all clients
The administrator shows you the details of the hostcahce.list output. The output indicates that the top clients on the list have an average of 242 ms round trip time.
Based on the output, what information should be provided to the administrator?
Answer: B
NEW QUESTION # 275
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