vault backup: 2025-03-16 18:59:42

Networking and Security/Untitled.md

@@ -0,0 +1 @@
+

Networking and Security/Week 18/Workshop.md

@@ -3,6 +3,6 @@ ARP
 Windows XP
 ann-laptop
 Microsoft Outlook
-User: 
+User:
 
-Asking to bring fake passport
+Asking to bring fake passport

Networking and Security/Week 2/Lecture 3 - IP4 and Subnetting.md

@@ -21,10 +21,9 @@
 - Either need multiple network numbers, or use subnets to pretend you have multiple network numbers
 - One LAN per building, big network likely to be split into smaller networks. (Subnets)
 
-
 255.0.0.0
 /8
 16.0.0.0
 255.255.0.0
 /16
-255.255.255.0
+255.255.255.0

Networking and Security/Week 4/Lecture 8.md

@@ -5,12 +5,13 @@
 | Network                     | Internet            | IP, ICMP                                |
 | Data Link<br>Physical       | Network Access      | PPP<br>IP-over-ADSL<br>IP-over-Ethernet |
 
-# Internet Protocol version 4
+# Internet Protocol Version 4
 
 - Connectionless packet oriented service
 - Unreliable service, no guarantee of delivery
 - Best effort, no error recovery
 
 All packets routed independently
+
 - Routers examine destination IP address and choose best route to forward packet
-- Big packets fragmented, fragments routed separately
+- Big packets fragmented, fragments routed separately

Networking and Security/Week 4/Workshop 4 - Routing.md

@@ -1,4 +1,3 @@
-
 | ubnet | Hosts | Addresses | Bits Required | Netmask         | CIDR Netmask |
 | ----- | ----- | --------- | ------------- | --------------- | ------------ |
 | A     | 23    | 25        | 5             | 255.255.255.224 | /27          |
@@ -6,6 +5,7 @@
 | C     | 18    | 20        | 5             | 255.255.255.224 | /27          |
 | D     | 31    | 33        | 6             | 255.255.255.192 | /26          |
 | E     | 73    | 75        | 7             | 225.255.255.128 | /25          |
+
 Subnet E: 66.77.88.0/25
 Range: 66.77.88.1 - 66.77.88.126
 Broadcast: 66.77.88.127
@@ -123,4 +123,4 @@ Internet Connected Router = Y
 | B       | 66.77.89.0/29   | 66.77.89.1    |
 | C       | 66.77.88.224/27 | 66.77.88.225  |
 | D       | 66.77.88.128/26 | 66.77.88.128  |
-| E       | 66.77.88.0/25   | 66.77.88.1    |
+| E       | 66.77.88.0/25   | 66.77.88.1    |