A fully updated 2021 SK0-004 Exam Dumps exam guide from training expert Actual4Cert
Provides complete coverage of every objective on exam and exam preparation SK0-004
NEW QUESTION 248
A technician is troubleshooting a Linux server and wants to inspect the free disk space on the /dev/sda partition of the system. Which of the following command line tools should the administrator run to view available disk space on the partition?
- A. df
- B. ls
- C. du
- D. dd
Answer: A
NEW QUESTION 249
A server technician is setting up replication for a database server. The technician is designing a server that is fully redundant and highly available. Which of the following replication strategies should be used?
- A. Log shipping
- B. Mirroring
- C. Disk-to-disk
- D. Server-to-server
Answer: B
NEW QUESTION 250
Maintaining operations in the event of a complete power outage requires a tested and established:
- A. incident response plan
- B. business continuity plan
- C. site recovery plan
- D. hardware maintenance plan
Answer: B
NEW QUESTION 251
A server administrator wants to upgrade the memory of the server using two memory modules. The server has two banks of memorywith the followingslotsavailable: A2, A3, A4, B2, B3, and B4. In whichof the following two slotsshould theadministrator install the additional RAM?
- A. Slots A2 and B4
- B. Slots B2 and B3
- C. Slots A2 and B2
- D. Slots A2 and A3
Answer: C
NEW QUESTION 252
Which of the following provides two-factor authentication?
- A. Username and password.
- B. Bank card and PIN.
- C. Key and proximity badge.
- D. Fingerprint and iris scan.
Answer: B
Explanation:
Explanation
NEW QUESTION 253
A server technician has installed a full rack in a server room and must place the following items in the rack:
One 2U server
One 2U firewall
One 1U server
Two 3U UPS devices
Which of the following describes how the technician should arrange the rack?
- A. Place one 3U UPS device on the top of the rack and one on the bottom
- B. Place both 3U UPS devices in the center of the rack
- C. Place both 3U UPS devices on the bottom of the rack
- D. Place both 3U UPS devices on the top of the rack
Answer: C
NEW QUESTION 254
Users on a network segment report that they are unable to connect to a newly installed file server. The file server IP address settings are as follows:
IP address: 10.0.10.254
Subnet Mask: 255.255.255.0
Default Gateway: 10.10.10.1
Which of the following changes should the server administrator make?
- A. Change the IP address on the server to 10.10.10.254.
- B. Change the subnet mask on the server to 255.255.0.0.
- C. Change the default gateway on the server to 10.10.10.254.
- D. Change the IP address on the server to 10.10.0.254.
Answer: A
Explanation:
Explanation
NEW QUESTION 255
As a best practice, which of the following should be determined prior to provisioning a server? (Select TWO).
- A. Hostname
- B. MAC address
- C. IP address
- D. Group accounts
- E. User accounts
- F. Domain name
Answer: A,C
NEW QUESTION 256
A server technician is reviewing a list of WWNs within a SAN storage array before provisioning additional LUNs to VMs. The purpose is to ensure only specific HBAs will have access to a particular LUN. Which of the following BEST describes the technician's purpose?
- A. LUN masking
- B. NIC teaming
- C. LUN zoning
- D. Direct access bridging
Answer: A
NEW QUESTION 257
A server administrator implements external storage for a file server. At a later time, another administrator wants to extend thisstorage to a second server butisunable to connect to two serverssimultaneously. Which of the following storagetypeswas implemented by the first administrator?
- A. VSAN
- B. DAS
- C. SAN
- D. NAS
Answer: B
NEW QUESTION 258
The ability to maintain data access in the event of the loss of a network link, host, or device is called:
- A. LUN replication
- B. load balancing
- C. failover clustering
- D. NAS balancing
Answer: C
NEW QUESTION 259
Which of the following allows virtual machines to share the NIC of the host?
- A. Virtual NICs
- B. NAT
- C. Bridging
- D. Virtual LANs
Answer: C
NEW QUESTION 260
Which of the following involves finding and correcting the MOST important reason for performance issues?
- A. Defining preventative action
- B. Theory of probable cause
- C. Replicating the problem
- D. Root cause analysis
Answer: D
NEW QUESTION 261
Which of the following cable types can be used to decrease susceptibility to electronic eavesdropping?
- A. Coaxial
- B. Fast Ethernet
- C. Thicknet
- D. Fiber optic
Answer: D
NEW QUESTION 262
A systems administrator needs to configure the company's web server to authenticate using PKI certificates. Which of the following servers would be queried to validate user credentials?
- A. Certificate authority
- B. LDAP server
- C. ACL on web server
- D. DNS server
- E. DHCP server
Answer: A
NEW QUESTION 263
The purpose of Active Directory Federation Services (AD FS) is to:
- A. complement authentication and access management features of Active Directory Rights Management Services (AD RMS)
- B. complement authentication and access management features of AD DS
- C. replace Active Directory Domain Services (AD DS) as a domain management tool in Windows Server 2013
- D. replace Active Directory Certificate Services (AD CS) in Windows Server 2013
Answer: B
NEW QUESTION 264
A technician is installing a server using a two-channel RAID controller, using RAID1 for the first channel and RAID5 for the second channel. If the technician has six 1TB disks total, how will this configuration look?
- A. One disk RAID1, five disks RAID5
- B. Four disks RAID1, two disks RAID5
- C. Two disks RAID1, four disks RAID5
- D. Three disks RAID1, three disks RAID5
Answer: C
NEW QUESTION 265
A server is giving a fault code indicating that a RAM chip is producing errors and should be replaced. According to best practices, which of the following is the proper sequence of steps to replace the faulty module?
- A. Open server case, replace module, attach ESD protection, close server case, baseline configuration
- B. Open server case, baseline configuration, attach ESD protection, replace module, close server case
- C. Attach ESD protection, open server case, replace module, close server case, baseline configuration
- D. Attach ESD protection, baseline configuration, open server case, replace module, close server case
Answer: C
NEW QUESTION 266
Users report that they are unable to connect to a server. An administrator confirms that it is unreachable across the network. Other administrators have been working in the server room throughout the day. Which of the following is the NEXT step the administrator should take?
- A. Verify that network cables are connected.
- B. Install a new NIC on the server.
- C. Reboot the server.
- D. Verify the configuration of the connected port on the network switch.
Answer: A
NEW QUESTION 267
A technician reads a hardware manufacturer's blog indicating a critical firmware update is available for the company's file server. Which of the following is the BEST course of action?
- A. Download the firmware update and test it on a non-production server.
- B. Download the firmware update and run it on the company's file server immediately.
- C. Download and install a firmware update from a centralized server.
- D. Download the firmware update and test it on a VM.
Answer: A
NEW QUESTION 268
A server has been assigned a role of mail server. Which of the following services will be installed as a result of this selection?
- A. SMTP
- B. SFTP
- C. DHCP
- D. SNMP
- E. TCP
Answer: A
NEW QUESTION 269
An administrator is sizing the CPU requirements of a new application. The application requires 12 guest VMs to run concurrently on the host. If each guest requires 500MHz of CPU and the server has two sockets, which of the following CPUs will ensure there are sufficient host CPU resources for this application?
- A. 3.2GHz CPU
- B. 2.5GHz CPU
- C. 2.0GHz CPU
- D. 1.6GHz CPU
Answer: A
NEW QUESTION 270
A technician is upgrading the memory in a server. The server requires DDR3 Registered DIMMs. The server has four banks of three slots for memory and currently there is one 2GB module in each bank. When the technician attempts to add eight more 4GB modules of DDR3 unbuffered ECC memory, the memory does not fit in the slots. Which of the following is the cause of this issue?
- A. The server cannot use ECC memory.
- B. The server requires fully buffered memory.
- C. The total memory on the server cannot exceed 24GB of RAM.
- D. In a bank, 2GB and 4GB memory cannot be mixed.
Answer: B
NEW QUESTION 271
An administrator decides to implement access control techniques to secure a datacenter. Which of the following would be the STRONGEST technique for the administrator to use?
- A. Multifactor authentication
- B. Cipher locks
- C. RFID chip
- D. Bollards
Answer: A
Explanation:
Explanation
NEW QUESTION 272
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. Performance will not be increased
- B. SSD drives cannot be used in RAID arrays
- C. All the drives in the RAID array must be replaced simultaneously
- D. SAS drives are faster due to their high spindle speed
Answer: C
NEW QUESTION 273
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