SK0-004 | CompTIA SK0-004 Free Practice Questions 2021

NEW QUESTION 1
A user is unable to connect to the company's intranet server by FQDN, but can connect by IP address. Other users are not having a problem. An administrator verifies that the user can successfully ping the server by IP address and can properly resolve the FQDN using nslookup.
The problem is persisting after running ipconfig /flushdns. Which of the following should the administrator do NEXT?

• A. Examine the lmhost file.
• B. Flush the cache on the DNS server.
• C. Flush the cache on the WINS server.
• D. Examine the hosts fil

Answer: D

NEW QUESTION 2
A server prompts Ann, a user, to reset her logon password. The next time Ann tries to log onto the server, she cannot remember her new password. After several failed attempts, Ann receives a message that she cannot attempt to log on again without the help of an administrator. Which of the following should an administrator do to remedy this issue? (Choose two.)

• A. Reset Ann’s password
• B. Unlock Ann’s account
• C. Reboot the server
• D. Recreate Ann’s profile
• E. Check Ann’s profile
• F. Verify Ann’s ACL

Answer: AB

NEW QUESTION 3
An email administrator is tasked to setup 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 mail server? (Select TWO).

• A. lsof
• B. netstat
• C. ipconfig
• D. traceroute
• E. ping
• F. dig

Answer: AB

NEW QUESTION 4
Which of the following cable types can be used to decrease susceptibility to electronic eavesdropping?

• A. Fiber optic
• B. Fast Ethernet
• C. Coaxial
• D. Thicknet

Answer: A

NEW QUESTION 5
Which of the following must be done to properly conduct testing of the data backup portion of a disaster recovery plan?

• A. Perform an integrity test of backup media.
• B. Verify data on backup media can be read.
• C. Verify that backups have occurred and were successful via the logs.
• D. Restore backed up data to a test serve

Answer: D

NEW QUESTION 6
A storage administrator needs to connect a server to a storage array shared by 12 other servers. Which of the following interface types could be used to accomplish this connection?

• A. Fibre Channel
• B. SAS
• C. USB
• D. SCSI

Answer: B

NEW QUESTION 7
A technician needs to install six blade servers. Which of the following MUST a technician install along with the blades?

• A. Blade rail kits
• B. Blade shelves
• C. Blade enclosure
• D. Blade station

Answer: C

NEW QUESTION 8
A company has hired a consultant to review the production storage infrastructure and provide suggestions on improving performance. The consultant has identified a bottleneck in the production switching fabric and successfully tested the solution in a lab environment. Which of the following should the consultant perform NEXT, according to best practices?

• A. Implement the solution in production since it was tested in the lab.
• B. Establish a plan of action to implement the solution in production.
• C. Perform a root cause analysis of what caused the bottleneck.
• D. Establish a theory describing the possible issue in the production networ

Answer: B

NEW QUESTION 9
A technician is called upon to add storage to a database server. The database administrator needs the maximum performance for accessing many small files. Which of the following specifications should the technician focus on when selecting the drive to add to the server?

• A. Form factor
• B. Capacity
• C. Bus bandwidth
• D. Seek time

Answer: D

NEW QUESTION 10
A server failed Thursday evening before the nightly backup. The backup scheme in place was full backups every Sunday, incremental backups on Monday, Wednesday, and Friday, and differential backups on Tuesday, Thursday, and Saturday. To fully restore the server, which of the following is the LEAST amount of backup sets required?

• A. One
• B. Two
• C. Three
• D. Four

Answer: C

NEW QUESTION 11
A manager has noticed that the staff of administrators spends a lot of time running power cords and network cables when installing new servers. The manager would like to reduce the amount of time administrators spend doing the power and network cabling. Which of the following will BEST allow staff to reduce that time?

• A. Mainframe
• B. Tower
• C. 2U rackmount server
• D. Blade server

Answer: D

NEW QUESTION 12
A technician needs to install another PCle NIC in a server. The server currently has four fully populated PCle slots. Which of the following must the technician install before installing the card?

• A. Install a virtual NIC
• B. Install a riser card
• C. Install a daughtercard
• D. Install a KVM

Answer: B

NEW QUESTION 13
A system administrator wants to assure that a server is responsive. Which of the following networking tools should the administrator use to verify network connectivity?

• A. arp
• B. netstat
• C. ipconfig
• D. ping

Answer: D

NEW QUESTION 14
An administrator needs to build a new virtualization host. The hypervisor should be able to directly access the server hardware and allow the host to provide maximum performance. Which of the following types of hypervisors should the administrator install to BEST meet these goals?

• A. Install a Type 1 hypervisor.
• B. Install a Type 2 hypervisor.
• C. Install a 32-bit hypervisor.
• D. Install a hybrid hyperviso

Answer: A

NEW QUESTION 15
A technician has installed an additional CPU into a server, but now the server is failing to pass POST. After verifying the CPU speed and multiplier, which of the following does the technician need to check for potential causes?

• A. ECC
• B. CAS
• C. Stepping
• D. Bus size

Answer: C

NEW QUESTION 16
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 17
Which of the following server types requires the LARGEST amount of available hard drive space?

• A. Database server
• B. Remote access server
• C. Print server
• D. Directory server

Answer: A

NEW QUESTION 18
A company executive asks the network administrator to help to reduce power consumption in a datacenter. The administrator suggests changing the servers running on 110V to 220V. Which of the following will occur as a result of this action?

• A. The room temperature will be reduced
• B. Amperage consumed by each server will be reduced by 50%
• C. Twice as much heat will be generated in the server room
• D. Power redundancy will be added to the server by providing two 110V power sources

Answer: A

NEW QUESTION 19
Which of the following media types allows for the ability to make data written to the media permanent?

• A. LTO WORM tape
• B. DVD-RW disk
• C. CD-RW disk
• D. LTO tape

Answer: A