Which of the following describes how to calculate the amount of storage in a RAID 5 array?
A.
Number of drives X capacity of the smallest drive
B.
(Number of drives 2) X capacity of the smallest drive
C.
Number of drives X capacity of the largest drive
D.
(Number of drives 1) X capacity of the smallest drive
hmmm.
I think this is the best way to calculate raid 5
# of drives multiply to the capacity then subtract 1 drive !!!
Pls correct me if i am wrong?
You’re correct, Brandon. RAID 5 requires that you take the size of the disks (# of disks times smallest disk capacity) and subtract one drive from the total size.
The answer given, ‘D’, corresponds to RAID 0, where you have a 1:1 ratio for drive size, based on the smallest drive size in the array.
I think there’s a minus sign missing in answers B and D. I think D is correct but should read “(Number of drives – 1) X capacity of the smallest drive”
D
The SK0-003 exam has retired, now the new exam is SK0-004. The following are CompTIA Server+ SK0-004 exam passing TIPS (FYI):
The SK0-004 exam has 100 questions and the passing score is 750/900 now!
Around 50% of all questions are on Server Administration and Troubleshooting according CompTIA official study guide.
Questions of the actual SK0-004 test are mainly on:
1. PXE, RAID (level), UPS, DLT, SCSI (SCSI ID, SCSI adapter, SCSI cable).
2. DHCP, SNMP, LTO2, TCP/UDP.
3. Knowing NPT port 123, at least two questions are talking about it.
4. Expert knowledge to TSHOOT of Servers.
Study materials for preparing for SK0-004 exam:
1. CompTIA official study guide
2. CompTIA Server+ Study Guide: Exam SK0-004 (by Troy McMillan)
3. Professor Messer’s Security+ Video Series
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[Update]
New SK0-004 Exam Questions and Answers Updated Recently (4/Feb/2016):
NEW QUESTION 350
An administrator is using IPv4 on all servers. If a new technician installs only IPv6 on a workstation, which of the following servers will the workstation be able to access?
A. DHCP server
B. Domain controller
C. No servers
D. DNS server
Answer: C
NEW QUESTION 351
A technician has access to a recent full backup. Data has changed since the last backup. Which of the following provides the fastest restore while minimizing backup size?
A. Bare metal
B. Full backup
C. Differential backup
D. Incremental backup
Answer: C
NEW QUESTION 352
An administrator thinks that a particular network connection is dropping packets. Which of the following tools would the administrator use to BEST identify where the packets are being dropped?
A. tracert
B. ping
C. nslookup
D. netstat
Answer: A
NEW QUESTION 353
A system administrator has a database server that crashes at random times. No changes have been made to either the server’s software or hardware. Which of the following is the FIRST step the administrator should take towards resolving this issue?
A. Establish an action plan.
B. Perform a root cause analysis.
C. Document the findings.
D. Identify the problem and scope.
Answer: D
NEW QUESTION 354
A network administrator installs a new web server and notices that the server was configured with one quad-port NIC. In order to properly provision the hardware resources, which of the following describes how the NIC should be configured?
A. Assign at least one IP address to each port.
B. Assign multiple IP addresses to one port.
C. Assign one IP address to the quad-port NIC.
D. Assign a single IP-address to all four ports.
Answer: A
NEW QUESTION 355
A new version of the primary OS used by a company has been released. Due to some significant changes in the OS, a system administrator wants to see which remotely accessible services are enabled by default to access the security risk prior to upgrading to the new version. Which of the following utilities should the administrator use?
A. Cipher program
B. Port scanner
C. Telnet client
D. Packet sniffer
Answer: B
NEW QUESTION 356
An email administrator is tasked to set up a Linux mail server. One of the requirements is to close all ports except SSH, HTTPS, SMTP, POP3, and IMAP4. Which of the following commands should be used to see which ports are currently open on the email server? (Choose two.)
A. lsof
B. netstat
C. ipconfig
D. traceroute
E. ping
F. dig
Answer: AB
NEW QUESTION 357
A network administrator finds there are several users who cannot access a particular application. The application does not launch for the users. The network administrator finds the server has not been rebooted in 192 days. Which of the following is the MOST likely cause of these issues?
A. Memory leak
B. Low resources
C. Slow OS performance
D. Service failure
Answer: A
NEW QUESTION 358
A server repeatedly crashes with a BSOD when running an application that uses a high amount of system recourses. Which of the following hardware components MOST likely needs to be checked by a technician?
A. Memory
B. Hard drive
C. RAID controller
D. CPU
Answer: A
NEW QUESTION 359
A new server has a battery-backed RAID controller built onto the motherboard. Which of the following will occur if the RAID controller fails?
A. The array configuration information will be lost.
B. The battery will provide enough power to save the array information.
C. All data stored on the array is lost.
D. The array will continue to function in a degraded state.
Answer: B
NEW QUESTION 360
A network administrator is installing additional devices on the network. The network segment is currently utilizing all allocated IP addresses. If there are additional addresses available, which of the following would be BEST for the network administrator to perform to accommodate the new network devices?
A. Create a new DHCP scope for the network segment in question.
B. Configure the DHCP server for IPv6.
C. Configure the network to use NAT for the network segment in question.
D. Increase the size of the DHCP scope for the network segment in question.
Answer: D
NEW QUESTION 361
Which of the following represents the directory permissions to provide least privilege for publicly readable directories on a Unix web server?
A. rwxrwxrwx (777)
B. rwxrwx-w- (772)
C. rwxrwxr-x (775)
D. rwxrwx-x (771)
Answer: C
NEW QUESTION 362
A newly hired administrator is tasked to change the number of CPUs assigned to a VM. Which of the following if the FIRST step the administrator should do during a scheduled maintenance window?
A. Create a snapshot.
B. Back up the host.
C. Shut down the guest.
D. Shut down the host.
Answer: A
NEW QUESTION 363
A small office has installed a server inside a writing closet. Users report losing connectivity to the server at various times throughout the day. Which of the following should have been considered before installing the server to prevent this issue from occurring?
A. Airflow
B. Redundant power
C. Antivirus software
D. Chassis lock
Answer: A
NEW QUESTION 364
A user is unable to save an image file to the home directory on a server. The server technician checks the disk space and ACL on the user’s home directory and finds that the user has enough space and required access to write to the directory. Which of the following is the MOST likely reason why the user is unable to save the file?
A. The user is attempting to save a file with a prohibited file extension.
B. There are too many open files on the server.
C. The user does not have permission to save files to the server.
D. The hard drive containing the user’s home directory is failing.
Answer: A
NEW QUESTION 365
Swap space or page file is reserved on the:
A. motherboard.
B. memory.
C. hard disk.
D. CPU
Answer: C
NEW QUESTION 366
……
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