Tüm alıştırma soruları

A systems administrator receives a critical monitoring alert indicating that a enterprise server's hardware RAID 5 array, consisting of four 2TB NVMe SSDs, is currently operating in a degraded state. The controller log confirms that Drive 2 has suffered a total hardware failure and is offline, while Drives 0, 1, and 3 remain online and healthy. To ensure continuous data availability and restore full fault tolerance with minimal downtime, which of the following is the most appropriate immediate action the administrator should take?

A field technician is troubleshooting an executive's ultrabook laptop equipped with an organic light-emitting diode (OLED) display. The user reports that the internal screen remains completely black during boot, although an external monitor connected via USB Type-C displays the desktop correctly. A junior technician recommends ordering a replacement display inverter board to restore screen illumination. Which of the following explains why this recommendation is incorrect?

A network technician is troubleshooting a desktop computer that dropped off the corporate network. The technician gathered details from the user, inspected the system, and established a theory that a damaged Ethernet patch cable caused the loss of connectivity. The technician then replaced the cable with a known-good patch cable, which immediately restored physical link connectivity and IP communication. Which action should the technician perform NEXT according to the standard CompTIA troubleshooting methodology?

A network administrator is provisioning laptops for remote branch office employees. Corporate IT policy mandates three specific capabilities for all deployed endpoints: full-disk encryption via BitLocker, centralized identity management through Active Directory Domain Join, and WAN bandwidth reduction using BranchCache. The laptops currently run Windows 10 Home edition. Which target Windows 10 edition must the administrator deploy to satisfy all corporate compliance requirements?

A technician receives a system alert indicating that one hard drive in a four-disk RAID 5 array has failed, putting the array into a degraded state. Which of the following actions should the technician take to restore fault tolerance to the array?

A network technician is troubleshooting a newly installed desktop computer in an enterprise office that cannot access local file shares or internet resources. The technician runs the command `ipconfig /all` on the workstation and observes the following output:

IPv4 Address . . . . . . . . . . . : 169.254.108.73
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . :
DNS Servers . . . . . . . . . . . :

The workstation is connected directly to a network wall outlet using a tested Cat6 Ethernet cable, and the link light on the network interface card (NIC) is solid green with flickering activity. Which of the following is the MOST likely cause of this issue?

A network technician receives an automated server alert indicating that a file server's storage volume is operating in a degraded state. Upon inspecting the system, the technician notes that the volume is hosted on a RAID 5 array consisting of four 2 TB SATA hard drives. RAID management software confirms that Drive 2 has suffered a hardware failure, while the remaining three drives continue to function correctly and data remains accessible. Which of the following actions should the technician take first to restore full fault tolerance to the array?

A network administrator is selecting operating system licenses for a small business deployment. The business requires workstations to support full BitLocker Drive Encryption managed via Group Policy, Active Directory Domain Join for centralized identity management, and incoming Remote Desktop (RDP Host) connections for remote technical support. Minimizing licensing costs is a key constraint, and the company does not require enterprise-tier capabilities such as AppLocker or BranchCache. Which of the following Windows 11 editions should the administrator select to meet all technical requirements at the lowest cost?

A storage administrator needs to replace a failed hot-swappable disk in a degraded RAID 5 array on an operational server. Place the standard troubleshooting and recovery steps in the correct order from first to last.

A system administrator receives an automated alert indicating that a four-disk RAID 5 array on a critical enterprise server has entered a degraded status due to a disk read failure on Drive 2. Before a replacement disk arrives, a technician accidentally removes operational Drive 3 from the server chassis, causing the RAID volume to immediately go offline and become unmountable. The technician immediately realizes the mistake. Which of the following is the most appropriate immediate action to restore the volume to a degraded operational state without causing permanent data loss?

A desktop technician is provisioning a new workstation for a remote employee. Company policy mandates that all corporate devices must join the local Active Directory domain and support incoming Remote Desktop connections for IT management. The workstation currently has Windows 11 Home installed. Which of the following is the minimum edition upgrade required to satisfy all technical requirements?

A network technician is troubleshooting an issue where users in a branch office cannot access an internal file server. The technician interviewed affected users, reviewed network traffic logs, and established a theory that a misconfigured firewall rule is blocking traffic on port 443. The technician tested the theory in a test environment by adjusting the rule and verified that connectivity was restored, confirming the cause. According to the CompTIA troubleshooting methodology, which of the following actions should the technician perform NEXT?

A network technician is troubleshooting a newly installed workstation in a corporate office. The workstation shows an active physical link light on its NIC but cannot access local network resources or the internet. Running `ipconfig /all` on the workstation displays an IPv4 address of $169.254.112.45$ with a subnet mask of $255.255.0.0$ and no default gateway listed. Running `ping 127.0.0.1` succeeds. Assigning a valid static IP address ($192.168.20.50/24$) manually allows local interface binding, but the client still cannot ping its default gateway ($192.168.20.1$). The switch port is configured with 802.1X port-based access control and assigned to VLAN 20. Which of the following is the MOST likely cause of this connectivity failure?

Match each network troubleshooting symptom on the left with its most likely root cause on the right.

Match each Windows administrative tool on the left with its primary management function on the right.

A technician is replacing a failed drive in a hot-swappable hardware RAID 5 server array. Place the steps in the correct order to complete the drive replacement and array recovery.

Match each Windows feature or edition on the left with its corresponding description or capability requirement on the right.

A server administrator receives an alert indicating that a critical database server's hardware RAID 5 array is operating in a degraded state following a single drive failure. You are assigned to replace the failed physical drive and restore array redundancy while minimizing risk to system data. Arrange the technical recovery steps into the correct chronological order from first to last.

Match each network troubleshooting scenario on the left with its most likely underlying cause on the right.

A technician is troubleshooting several mobile device issues brought to the help desk. Match each reported hardware or display symptom on the left with its most likely root cause or component failure on the right.