CompTIA SK0-004 Online Practice Questions and Exam Preparation

CompTIA SK0-004 Online Questions & Answers

• Question 251:

  When grid power goes out, all servers in a rack lose power immediately. The server administrator confirms the servers have dual power supplies, which are connected to separate PDUs. Each of the PDUs is connected to a different UPS. Which of the following is the MOST likely cause of the problem?

  A. Both of the UPS devices were set for the wrong voltage.
  B. The power circuit was tripped on both PDUs.
  C. The server power supplies failed during the outage.
  D. The UPS batteries were discharged.
  B. The power circuit was tripped on both PDUs.

• Question 252:

  Which of the following methods should be used when classified or sensitive data is stored on a server?

  A. Directory encryption
  B. Whole disk encryption
  C. File encryption
  D. Partition encryption
  B. Whole disk encryption

• Question 253:

  A network technician is replacing a failed drive in a RAID 5 array. Over time, access to the volumes in the array has slowed down. The technician wants to increase the speed of the RAID array and chooses to replace the 10000rpm SAS drive with a low-latency SSD drive. Which of the following is the problem with this solution?

  A. SSD drives cannot be used in RAID arrays
  B. Performance will not be increased
  C. SAS drives are faster due to their high spindle speed
  D. All the drives in the RAID array must be replaced simultaneously
  D. All the drives in the RAID array must be replaced simultaneously

• Question 254:

  A systems administrator attempts to shut down a server, but the server will not cleanly power down. The administrator then performs a power cycle on the server. When the server is back online, which of the following should the administrator check?

  A. Available drive space
  B. The server's login history
  C. System log files
  D. Driver and firmware versions
  C. System log files

• Question 255:

  A server administrator recently upgraded a three-year-old server by replacing the old CPU and memory with a new CPU and memory. After the upgrade, the server regularly generates CPU and memory errors; however, the server is working. The administrator has confirmed the new CPU and memory are not faulty. Which of the following is the MOST likely cause of this problem?

  A. Bad motherboard
  B. Outdated BIOS and firmware
  C. Outdated RAID controller
  D. Bad memory and CPU chipset
  B. Outdated BIOS and firmware

• Question 256:

  An administrator identifies that a server is shutting down. The administrator powers up the server and OS loads but after a few minutes it powers down again. Which of the following is the cause?

  A. Redundant power supply failure
  B. CPU overheating
  C. Memory failure
  D. Hard disk failure
  B. CPU overheating

• Question 257:

  After identifying a problem, but before applying a system change, which of the following is the MOST important task that needs to be completed?

  A. Perform a system backup.
  B. Collect log data.
  C. Question the users/stakeholders.
  D. Establish a theory of probable cause.
  D. Establish a theory of probable cause.

• Question 258:

  Which of the following security measures would be MOST effective in a datacenter that experiences frequent power surges and spikes? (Choose two.)

  A. Security guards
  B. Numeric keypads
  C. Biometrics
  D. Access lists
  E. RFID chips
  A. Security guards
  D. Access lists

• Question 259:

  A technician is logged into the network through VPN. Which of the following utilities can be used to connect to a server to verify a process is running? (Choose two.)

  A. RDP
  B. SSH
  C. DNS
  D. LDAP
  E. Bash
  F. ping
  A. RDP
  B. SSH

• Question 260:

  Multiple users report that an application attempting to open a file retrieved from a server reports that the file is corrupted. Which of the following applications can be used on the server to verify file integrity?

  A. Checksum
  B. Port scanner
  C. Cipher
  D. Anti-malware
  A. Checksum