• Press Start key and type cmd.
• Right-click on it and select the option Run as administrator.

Type the following command and hit enter: netsh.exe winhttp show proxy

On Windows 10: Type cmd in the Type here to search field on the taskbar, right-click on it and select the option Run as administrator.

In the Command Prompt window, type netsh winhttp, reset proxy and press the enter key.

Move to global configuration mode, like this:

Move to interface configuration mode. In our example, let’s assign an a description to the Fa0/1 interface:

To view the interface’s description, press Ctrl-Z to exit back to privileged mode then type:

1. Move to global configuration mode, like this

2. 

Steps to configure banner through CLI

1. 1. Login to the device using SSH / TELNET and go to enable mode.

1. 1. Go into the config mode.
      Router#configure terminal
      Enter configuration commands, one per line. End with CNTL/Z.
      Router(config)#

1. 1. Use below command to configure banner for required banner types (motd / login / exec)
      Router(config)#banner motd #Unauthorized access to this device is prohibited!#

1. 1. Exit config mode
      Router(config)#exit
      Router#

1. Copy the running configuration into startup configuration using the below command:
   Router#write memory
   Building configuration… [OK]
   Router#

1.Netstat

Comanda netstat ne ajuta sa verificam ce porturi TCP sau UDP sunt deschise pe calculatorul nostru.

2.Ipconfig /all

Aceasta comanda ne ajuta sa vedem toate informatiile din reteaua noastra +mac-ul dispozitivului.

3.Ipconfig /release si ipconfig /renew
ipconfig /release – aceasta comanda face ca adaptorul de retea sa execute comanda disable/enable
ipconfig /renew –  este comanda care ii cere dhcp-ului (Dynamic Host Configuration Protocol) din router un alt ip pentru calculatorul nostru.

 
4.ping

Ping-ul trimite un pachet catre o destinatie si astepta raspuns, cu aceasta comanda putem verifica daca avem pierderi in retea.

• On your computer, open Chrome.
  In the address bar, enter remotedesktop.google.com/access.
• Under “Set up Remote Access,” click Download Download page.

Follow the onscreen directions to download and install Chrome Remote Desktop.

Intram pe AppsStore si cautam aplicatia Chrome Remote Desktop.

• Descarcam si instalam aplicatia.
• Atingeți din listă calculatorul pe care doriți să va conectati. Dacă un computer este estompat, acesta este offline sau indisponibil
• 

Alegem calculatorul pe care vrem sa ne conectam si introducem pin-ul setat pe https://remotedesktop.google.com/