D-PDPS4400-A-01 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

Question No : 1
After installing ESXi, how do you verify that the hypervisor is running correctly?

A.Log in to Avamar Console
B.Access Data Domain System Manager
C.Use vSphere Web Client to view host status
D.Log in to iDRAC BIOS

正解:
Explanation:
vSphere Web Client allows administrators to verify ESXi host health, resource usage, and VM operations.

Question No : 2
During RAID configuration, which setting enhances write performance while maintaining data integrity?

A.Write-Through
B.Write-Back Cache Enabled
C.Read-Ahead Only
D.Delayed Commit

正解:
Explanation:
Write-back caching improves write performance by temporarily storing data in cache, with proper battery backup ensuring data integrity.

Question No : 3
Which step must be completed before deploying Avamar and Data Domain virtual machines on a DP4400?

A.Installing DD Boost plugin
B.Completing the ESXi installation
C.Formatting the data domain disks
D.Resetting BIOS to factory defaults

正解:
Explanation:
VMware ESXi must be installed on the DP4400 host in order to create and run the Avamar and Data Domain virtual machines.

Question No : 4
What default iDRAC credentials are used when configuring DP4400 for the first time?

A.root / dell
B.admin / admin
C.administrator / password
D.root / calvin

正解:
Explanation:
The default login for Dell iDRAC is "root" with the password "calvin," unless changed by policy or during previous setup.

Question No : 5
Which of the following actions is recommended if iDRAC is inaccessible during installation?

A.Restart the appliance immediately
B.Connect a USB keyboard and monitor directly to the DP4400
C.Reset the BIOS
D.Install Avamar without configuring iDRAC

正解:
Explanation:
If iDRAC is not accessible, using local console access with a keyboard and monitor allows initial setup and troubleshooting.

Question No : 6
During network setup of the DP4400, which ports should be connected to support backup and replication traffic?

A.Only 1GbE Port 1
B.iDRAC and 1GbE Port 2
C.10GbE Ports 1C4
D.1GbE Ports 1C2 only

正解:
Explanation:
10GbE Ports are used for high-performance backup data, replication, and cloud-tier traffic. At least one should be connected for data operations.

Question No : 7
Before beginning physical installation of a DP4400, which requirement must be verified to ensure proper time synchronization across systems?

A.DHCP server configuration
B.DNS server IPs
C.NTP server accessibility
D.Firewall rules for SSH

正解:
Explanation:
NTP servers are necessary for time synchronization among DP4400 components including Avamar, Data Domain, and ESXi.

Question No : 8
Which of the following tools is used to access and configure RAID settings during installation?

A.Dell OpenManage Server Administrator
B.iDRAC Virtual Console
C.RAID BIOS Utility (Ctrl + R)
D.vSphere Web Client

正解:
Explanation:
The RAID BIOS Utility, accessed during boot via Ctrl + R, is used to create and configure RAID volumes.

Question No : 9
What RAID level is configured by default on the DP4400 during installation?

A.RAID 0
B.RAID 5
C.RAID 6
D.RAID 10

正解:
Explanation:
RAID 6 is used by default on DP4400 to provide fault tolerance and allow up to two simultaneous disk failures.

Question No : 10
A customer asks to generate a summary report of recent backup activities.
Which command can be used to create this report?

A.avreport generate
B.avtar --report=summary
C.dpnctl show history
D.avmaint status --last

正解:
Explanation:
This command generates a concise report of backup jobs, including status, completion time, and any errors.

Question No : 11
What is the purpose of the command dpnctl backup in the context of disaster recovery?

A.It initiates a test restore from the latest backup
B.It purges stale backup records
C.It backs up Avamar’s configuration and metadata
D.It restarts all backup jobs

正解:
Explanation:
This command is used to export essential system configuration as part of a disaster recovery strategy.

Question No : 12
How can you configure email alerts in Avamar Administrator?

A.Through dpnctl configuration
B.Using the “Email Configuration” tool under the Tools menu
C.By editing the smtp.conf file in the CLI
D.From the DD System Manager

正解:
Explanation:
Email alerts are configured in Avamar Administrator under Tools > Email Configuration by specifying SMTP and recipient settings.

Question No : 13
What should be the first step if you receive a “Data Domain storage full” warning?

A.Increase the compression ratio
B.Run filesys clean start
C.Restart Data Domain services
D.Reduce the backup schedule frequency

正解:
Explanation:
This command initiates cleanup of deleted and orphaned data, recovering usable space on the appliance.

Question No : 14
Which task can be scheduled from within Avamar to clean up expired backups?

A.filesys clean start
B.avmaint purge --expired
C.dpnctl cleanup
D.avtar --verify

正解:
Explanation:
This command removes backup data that has exceeded its retention period, freeing up storage space.

Question No : 15
A backup job is stuck and not progressing. You verify that the Avamar services are down.
What is the correct command to restart all Avamar services?

A.dpnctl stop
B.dpnctl restart
C.avmaint reset
D.avagent --flush

正解:
Explanation:
This command stops and restarts Avamar services, which can clear job processing issues and restore functionality.

DELL EMC D-PDPS4400-A-01 問題練習