This is the height of a single rack unit (U) in inches.
What is 1.75 inches?
This protocol uses UDP port 69 to transfer data over the network. This is usually used in environments where memory usage is restricted.
What is TFTP (Trivial File Transfer Protocol)?
This is a Linux command used to view and manage system logs. It provides a centralized and efficient way to access and analyze log data.
What is `journalctl`?
These hardware addon boards allows you to extend functionality of the Raspberry Pi.
What are Pi HATs?
In the Children's Guide to Kubernetes series, this is the name of the Zebra character.

Who is Zee?
This type of network cable uses copper instead of light to transmit data upwards of 10Gbps.
What is a DAC (Direct Attached Copper) cable?
This is a type of optical cable that allows for one source of light to be transferred from end to end over long distances (over 100km).
What is Single Mode Fiber (SMF)?
What is a metrics server?
These are the valid boot methods for a Raspberry Pi 5.
What is Network Boot, SD Card, NVMe, USB?
This practice helps teams integrate security and system administration practices with the software development lifecycle. People in this role generally work on automation and orchestration of systems.
What is DevOps / DevSecOps?
This is a type of memory that can detect and correct the most common kinds of internal data corruption. It is used in most computers where data corruption cannot be tolerated under any circumstances, such as for scientific or financial computing.
What is Error-correcting code memory (ECC memory)?
This server is responsible for conveying what/where to boot from during the PXE (Preboot Execution Environment) bootup process.
What is a DHCP (Dynamic Host Configuration Protocol) server?
In the LGTM Stack, this component is the primary way to visualize and manage dashboards of data. The visualizations are backed by datasources.
What is Grafana?
This is the full name of the Pi HAT.
What is Hardware Attached on Top (HAT).
In Talos Linux, this feature creates a connection between the nodes of the cluster. It leverages WireGuard to create a secure, mesh-based network, allowing nodes to communicate transparently regardless of their physical location.
What is Kubespan?
This NEMA connector supports up to 20A at up to 125V. It comprises of two poles and one grounding pin.
What is NEMA 5-20(P/R)?
This is the wavelength of light used in single mode fiber.
What is 1310nm - 1550nm?
In the LGTM Stack, this component is responsible for collecting logs from running applications.
What is Grafana Loki?
This is the maximum CPU frequency of the Raspberry Pi 5.
What is 2.4GHz?
The CPU is a Broadcom BCM2712 2.4GHz quad-core 64-bit Arm Cortex-A76 CPU.
This is the total storage capacity of our main ACM NAS (Network Attached Storage) server.
(Whoever gets closest gets the points.)
What is 152.41 TiB?
This interface supports up to 2x SATA 6Gbps lanes and 4x PCI-E 3.0 lanes, enabling high data transfer rates while maintaining compatibility. It is primarily used for SSD connections in servers.
What is U.2?
What is SFF-8639?
In IPv6, in order to have a global unicast address, the client device must send this to retrieve configuration information from the routers.
What is a router solicitation?
What is ICMPv6 Type 133?
This is the name of the ACM-developed solution for monitoring the temperature and humidity of our server room. Comprising of a Raspberry Pi, DHT22 sensor, OLED display, Grafana, and InfluxDB.
What is Oven Temp?
This is the number of GPIO pins available on the Raspberry Pi 5.
What are 40 pins?
He is the current primary maintainer of the well-known software version control software, Git.
Who is Junio Hamano?