rules/exam: Rename second part of the exam

Rename the written part of the exam to 'Understanding Concepts'. State
that students are allowed to use internet with the exception of
collaborative resources.

Signed-off-by: Alex Apostolescu <alexx.apostolescu@gmail.com>

Author: Alex-deVis

content/misc/rules-and-grading.md

@@ -33,10 +33,10 @@ The exam consists of two components:
    - This component accounts for **70% of the total exam score**, which is **2.8 out of the total 4 points**.
    - The oral exam will be recorded internally.
 
-1. Relevance quiz
+1. Understanding Concepts
    - It lasts **20 minutes**.
-   - This part is also **open-book**, meaning you can use written materials and offline resources.
-     However, internet access will not be allowed.
+   - This part is also **open-book**;
+   students have access to the internet, with the exception of collaborative resources (e.g., Google Docs, live questions on Stack Overflow, questions on ChatGPT, WhatsApp, etc.).
    - All students scheduled for the exam in the same day will take this component at the same time, usually 11:00-11:30.
    - It will be conducted on [Moodle](https://curs.upb.ro/2023/course/view.php?id=7774).
    - You will receive **11 True/False questions** that require explanations.
@@ -69,7 +69,7 @@ Similarly, another announcement will follow the simulation, offering students th
 
 1. [Recordings OS 2022-2023 3CC](https://ctipub.sharepoint.com/sites/03acsla3s2socacbcc/Shared%20Documents/Forms/AllItems.aspx?RootFolder=%2Fsites%2F03acsla3s2socacbcc%2FShared%20Documents%2FCurs%203CC%2FRecordings&FolderCTID=0x012000E35B9BA594DFDC438C2F7EEFC2BA28C1)
 1. [OS oral exam simulation 2022-2023](https://ctipub.sharepoint.com/sites/03acsla2s1socacbcccd/_layouts/15/stream.aspx?id=%2Fsites%2F03acsla2s1socacbcccd%2FShared%20Documents%2FGeneral%2FRecordings%2FSO%202022%2D2023%20%2D%20Simulare%20examen%20oral%2D20230121%5F165841%2DMeeting%20Recording%2Emp4&ga=1)
-1. [Relevance quiz example](https://curs.upb.ro/2023/mod/quiz/view.php?id=42286)
+1. [Understanding Concepts example](https://curs.upb.ro/2023/mod/quiz/view.php?id=42286)
 1. [Lecture notes](https://drive.google.com/drive/folders/1T08PmJ_fKTA8FLHvhXYw33CBK6D0QPpR?usp=drive_link)
 
 ### [Assignments](https://cs-pub-ro.github.io/operating-systems/Assignments/) (5 points)