Mobile Devices
This layer between the protective glass and the display panel converts analog touch input into digital signals.
What is a digitizer?
This port is used for secure, encrypted remote access via a command-line interface.
What is Port 22 (SSH)?
This RAID level uses mirroring to provide full data redundancy but utilizes 50% of total storage capacity.
What is RAID 1?
In this service model, the provider handles hardware and the OS, while the user is responsible for the application code and data.
What is PaaS (Platform as a Service)?
Before making any changes or starting repairs, a technician must perform this critical task during Step 1.
What is a data backup?
In an older LCD display, this component converts DC power into AC power to light the fluorescent backlight.
What is an inverter?
A workstation assigned this specific IP address indicates it cannot reach a DHCP server.
What is 169.254.x.x (APIPA)?
Standard desktop DDR4 memory modules have this specific number of pins.
What is 288 pins?
This type of hypervisor, often called "bare metal," runs natively directly on the computer hardware.
What is a Type 1 hypervisor?
These two physical sounds (clicking or grinding) coming from a drive typically indicate mechanical failure of an HDD.
What are clicking and grinding?
This type of LCD panel is preferred by graphics professionals because it offers superior color accuracy and wide viewing angles.
What is IPS (In-Plane Switching)?
Also known as Wi-Fi 5, this standard operates exclusively in the 5GHz band and can reach speeds over 1 Gbps.
What is 802.11ac?
The "imaging process" of this printer technology includes charging, exposing, developing, and fusing.
What is a laser printer?
This cloud characteristic allows resources like storage or servers to scale up or down instantly to meet changing demand.
What is rapid elasticity?
These audible coded signals from the motherboard indicate a hardware issue detected before the video display is functional.
What are POST beep codes?
Corporate administrators use this class of software to manage entire mobile devices, enforcing security policies and enabling remote wipes.
What is MDM (Mobile Device Management)?
This intelligent networking hardware learns unique MAC addresses and directs data packets to specific devices.
What is a switch?
This miniaturized motherboard form factor measures exactly 6.7 by 6.7 inches.
What is Mini-ITX?
This security threat occurs when an attacker escapes an isolated virtual machine to gain control of the physical hypervisor.
What is VM escape?
In laser printing, faint repeated images appearing on a page usually indicate a failure of this component.
What is the imaging drum?
This update ensures a mobile device connects to the strongest available cell tower, even when roaming.
What is a PRL (Preferred Roaming List) update?
This four-step process (Discovery, Offer, Request, Acknowledgement) is how a client obtains an IP address from a server.
What is the DORA process?
This cryptographic processor is integrated into motherboards to securely store encryption keys and hashes.
What is a TPM (Trusted Platform Module)?
This lightweight virtualization technology shares the host OS kernel and uses fewer resources than traditional VMs.
What are containers (or containerization)?
After implementing a solution and verifying full system functionality, this is the final step of the methodology.
What is document findings, actions, and outcomes?