W8 wed morning

Binary
BINARY - 66 73 78 65 82 89
- 01000010 01001001 01001110 01000001 01010010 01011001
https://cryptii.com/text/binary

Logic 1 - 5 volts
Logic 0 - 0 volts

the input is maden backword (YRANIB)


security

Keyboard (On screen safer)
Server - AD DC, DNS(forwarder/ reverse), DHCP, file server, users, groups, computers, shared folder (full controls, read only), Print server. - week 9
smooth wall - linux based
week 10 - cisco wifi WLAN (basic configuration)
week 11 -12 routing using packet tracers in CLI modes using puttys
week 13 need tin foil to protect from government satellite.


Router - allows hopping between different routers in a wan. more than 5 hops to the same router and the message is removed.
DTE - the terminator (serial cable)
DCE - the communicator (serial cable)
Fiber cable (fastest cable) - ar 40km a repeater is needed.
switch - used to connect multiple computer in a lan by ports. ports on switch don't need to be configured because it's got an automatic routing table

router 1
g1/0 192.168.27.1/30
g0/0 192.168.50.1/24

router 2
g1/1 192.168.27.2/30
g0/1 192.168.75.1/24

switch 1 - router 1 - router 2 - switch 2



CLI

no
Router> en
Router# hostname acer
acer# password P@ssw0rd
acer# config
acer(config)# int G0/0
acer(config-if)# ip address 192.168.50.1 255.255.255.0
acer(config-if)# no shut
acer(config-if)# exit
acer(config)# int G1/0
acer(config-if)# ip address 192.168.27.1 255.255.255.252
acer(config-if)# no shut
acer(config-if)#  exit
acer(config)#  ip route 192.168.75.0 255.255.255.0 192.168.27.2
acer(config)# exit
acer# show run

int - interface
if - information
no shut - saves informaiton
a route is not an interface
a route is called a hop

router> enable
router# hostname dell
dell# password P@ssw0rd
dell# config
dell(config)# interfae g0/1
dell(config-if)# ip address 192.168.75.1 255.255.255.0
dell(config-if)# no shut
dell(config-if)# exit
dell(config)# int g1/1
dell(config-if)# ip address 192.168.27.2 255.255.255.252
dell(config-if)# no shut
dell(config-if)# exit
dell(config)# ip route 192.168.50.0 255.255.255.0 192.168.27.1
dell(config)# exit
dell# show run