August 2023

Question 1

CONOPS

Answer 1

Concept of Operations

Question 2

ORNL

Answer 2

Oak Ridge National Labs

Question 3

CDA

Answer 3

Cooperative Driving Automation

Question 4

ANL

Answer 4

Argone National Labs

Question 5

DoT Contacts

Answer 5

Federal Highway Director of Research Brian Cronin
Danielle Chou reports to Brian

Question 7

Left turns are what (in phase diagram)?

Answer 7

odd

Question 8

BIU

Answer 8

Bus Interface Unit (for Traffic Signal Controller)
interfaces 24 V logic signals to the SDLC serial bus in a TS 2 cabinet. The BIU interfaces between the Controller Unit and the Loop Detector Racks, Terminals and Facilities, and other devices in a NEMA TS-2 Cabinet Assembly. It is responsible for controlling load switches, providing dimming, receiving and isolating pedestrian calls, analyzing detector faults, time-stamping detector calls, and providing detector resets.

Question 9

NGINX

Answer 9

A web server, commonly used as a reverse proxy, load balancer, mail proxy and HTTP cache.

Question 10

gunicorn

Answer 10

Green Unicorn is a Python Web Server Gateway Interface (WSGI) HTTP Server. Often paired with NGINX.

Question 11

Standard 8 phase as a diagram (1-8)

Answer 11

__________2 5
___________________4
___________________7
3
8
1 6

Question 12

SAE Specs as a group

Answer 12

J2735 - V2x message set (SPaT, MAP, BSM) used by DSRC & CV2X
J3016 - Levels
J3018 guidelines for testing Automated Vehicles
J3224 - SDSM (Sensor Data Sharing Message)

Question 13

gevent

Answer 13

a coroutine-based Python networking library.

Question 14

AWS IAM Groups Gotcha

Answer 14

Groups cannot contain groups

Question 15

WebRTC

Answer 15

Web Real Time Communication
open-source project enables applications to engage in real-time voice, video, and data communication without needing any external plugins. used in communication apps like Google Meet and Discord.

Question 16

TURN Server

Answer 16

Traversal Using Relays around NAT
When two devices can’t establish a direct peer-to-peer connection due to these network barriers, a TURN server acts as a relay or an intermediary that forwards the traffic between the two devices.

Question 17

Four components of Twingate

Answer 17

Controller - no data responsible for auth/auth
Relay - like a TURN server
Client - installed on each device
Connector - installed behind firewall @ remote network