Add README.md files for sections 1.3.6, 1.6.1, and 1.4.7

1.6.2/README.md

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+# 1.6.2 Configure basic router settings - Physical Mode
+
+## Part 2 - Step 2
+
+### p. What would be the result of reloading the router prior to completing the copy running-config startup-config command?
+
+The router will take the default config
+
+## Part 2 - Step 3
+
+### a. Were the pings successful?
+
+Yes
+
+### b. Was the remote access successful?
+
+Yes
+
+### c. Was the remote access successful?
+
+Yes
+
+### c. Why is the Telnet protocol considered to be a security risk?
+
+Because the data are not sent encrypted through the network
+
+## Part 3 - Step 2
+
+### a. What is the name of the IOS image that the router is running?
+
+Version 03.16.05.S - Extended Support Release
+
+### a. How much non-volatile random-access memory (NVRAM) does the router have?
+
+32768K bytes
+
+### a. How much Flash memory does the router have?
+
+3223551K bytes
+
+### b. What would be the boot process for the router on the next reload if the configuration register was 0x2142?
+
+The configuration will be changed
+
+## Part 3 - Step 3
+
+### a. How are passwords presented in the output?
+
+The password are encrypted
+
+### b. What is the result of using this command?
+
+This will show the VTY lines config
+
+## Part 3 - Step 4
+
+### a. What code is used in the routing table to indicate a directly connected network?
+
+The code is C
+
+### a. How many route entries are coded with a C code in the routing table?
+
+There are 3
+
+## Part 3 - Step 5
+
+### a. What command changed the status of the Gigabit Ethernet ports from administratively down to up?
+
+The command no shutdown
+
+### b. What is the meaning of the [up/up] part of the output?
+
+This is for link and protocol
+
+### c. What is the IPv6 address assigned to Server?
+
+The IPv6 address is 2001:DB8:ACAD:0:207:ECFF:FEA5:6286
+
+### c. What is the default gateway assigned to Server?
+
+The default gateway is FE80::1
+
+### c. From PC-B, issue a ping to the R1 default gateway link local address. Was it successful?
+
+Yes
+
+### c. From Server, issue a ping to the R1 IPv6 unicast address 2001:db8:acad::1. Was it successful?
+
+Yes
+
+## Reflection Questions
+
+### 1. In researching a network connectivity issue, a technician suspects that an interface was not enabled. What show command could the technician use to troubleshoot this issue?
+
+show interface brief
+
+### 2. In researching a network connectivity issue, a technician suspects that an interface was assigned an incorrect subnet mask. What show command could the technician use to troubleshoot this issue?
+
+show ip interface brief