A systems administrator is provisioning a SQL server with a RAID controller. The management team requires that the server be able to withstand at least a single hard drive failure, but the administrator is concerned that a computationally intensive RAID level may reduce server performance. Which of the following should the administrator choose?
A. RAID 0
B. RAID 5
C. RAID 10
D. RAID 50
E. RAID 60
Show Answer
Correct Answer: C
Explanation: RAID 10 combines mirroring and striping, so it can tolerate at least one drive failure and avoids the parity-calculation overhead of RAID 5, 50, or 60. RAID 0 does not provide fault tolerance.
Question 42
An administrator has been asked to disable CPU hyperthreading on a server to satisfy a licensing issue. Which of the following best describes how the administrator will likely perform this action?
A. Use an RDP/VNC session.
B. Modify the startup configuration.
C. Use a PowerShell/Bash script.
D. Use the BIOS/UEFI setup.
Show Answer
Correct Answer: D
Explanation: CPU hyperthreading is typically enabled or disabled in the server’s BIOS/UEFI firmware settings, usually under processor or CPU configuration options.
Question 43
A server administrator needs to verify that a new 4U server will fit into the rack in the data center. Which of the following is the amount of space the 4U server requires?
A. 4in (10.2cm)
B. 5in (12.7cm)
C. 7in (17.8cm)
D. Sin (20.3cm)
Show Answer
Correct Answer: C
Explanation: A rack unit (1U) is 1.75 inches tall, so a 4U server requires 4 × 1.75 = 7 inches (17.8 cm) of vertical rack space.
Question 44
An administrator receives an alert that one of the virtual servers has suddenly crashed. The administrator confirms the data center does not have any power failures and then connects to the remote console of the crashed server. After connecting to the server console, which of the following should the administrator complete first?
A. Use the keyboard command Alt+F12 to switch to the kernel log screen.
B. Perform a hard reboot on the server and monitor the server startup.
C. Collect a screenshot of the PSOD and note the details after the line detailing the OS version.
D. Collect a core dump from the server and store locally before rebooting the hardware.
Show Answer
Correct Answer: C
Explanation: First capture the PSOD screen and record the diagnostic details shown after the OS version. Preserve this evidence before rebooting, since the crash information may disappear when the server restarts.
Question 45
A data center has 4U rack servers that need to be replaced using VMs but without losing any data. Which of the following methods will MOST likely be used to replace these servers?
A. VMFS
B. Unattended scripted OS installation
C. P2V
D. VM cloning
Show Answer
Correct Answer: C
Explanation: P2V (physical-to-virtual) converts a physical server—including its operating system, applications, and data—into a virtual machine, allowing it to be replaced without losing its data.
Question 46
An administrator has been asked to deploy a database server that provides the highest performance with fault tolerance. Which of the following RAID levels will fulfill this request?
A. RAID 0
B. RAID 1
C. RAID 5
D. RAID 6
E. RAID 10
Show Answer
Correct Answer: E
Explanation: RAID 10 combines mirroring for fault tolerance with striping for high performance, making it the best choice among these options for a database server needing both.
Question 47
A systems administrator recently upgraded the memory in a server, and now the server does not turn on, and nothing is displayed on the screen. Which of the following is the NEXT step the administrator should take to diagnose the error without opening the machine?
A. Perform a cold reboot.
B. Listen for POST code beeps.
C. Call technical support.
D. Check the monitor connection.
Show Answer
Correct Answer: B
Explanation: Listen for POST beep codes. They can indicate whether the system is detecting a memory or other hardware problem, and this can be checked without opening the machine.
Question 48
A technician is working on a Linux server and is trying to access another server over the network. The technician gets server not found messages when trying to execute ping servername but no error messages when using ping servername.domain.com. Which of the following should the technician do to resolve the error?
A. Configure the domain search variable.
B. Change the permissions on resolv.conf.
C. Configure the DNS address.
D. Modify nsswitch.conf.
Show Answer
Correct Answer: A
Explanation: The fully qualified domain name resolves, so DNS connectivity is working. Configure the domain search variable (search domain) so the system appends the appropriate domain when resolving the short hostname.
Question 49
A systems administrator is setting up a server farm for a new company. The company has a public range of IP addresses and uses the addresses internally. Which of the following IP addresses best fits this scenario?
A. 10.3.7.27
B. 127.0.0.1
C. 192.168.7.1
D. 216.176.128.10
Show Answer
Correct Answer: D
Explanation: 216.176.128.10 is a publicly routable IPv4 address. The other choices are private-use addresses (10.3.7.27 and 192.168.7.1) or the loopback address (127.0.0.1).
Question 50
A technician is configuring a new server with four disks for the development team. The requirements are disk redundancy and maximum usable disk capacity. Which of the following RAID levels should be used for this server?
A. 0
B. 1
C. 5
D. 10
Show Answer
Correct Answer: C
Explanation: RAID 5 provides disk redundancy through distributed parity and requires only one disk’s capacity for parity. With four equal-sized disks, it offers the maximum usable capacity among the redundant options: the capacity of three disks, while tolerating one disk failure.
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