Monthly Archives: December 2012
How to fix skill based assessment jre error
So on the systems where I didn’t have Mozilla Firefox installed, I have installed it and after a check using bcnet.cyecorp.net/sbacheck it didn’t [..]
OSPF
When clearing the OSPF process in Packet Tracer instead of using the command clear ip ospf process, because it is not supported by Packet Tracer [..]
CCNA1 activity 6.8.1 skills integration challenge planning subnets
If you get 95% with both static route and static default route in place do not worry.
There is a misconfiguration in the activity. Use these to get […]
interfetele seriale au IP-urile cu 121 si 122, dar rutele statice au ca next-hop 129 si 130; deci pentru 100%: o ruta statica default cu next-hop=192.168.23.130 pe R2-Central
No IP Domain Lookup
If you want to disable DNS resolving when you mistype a command this is what you should do:
ena conf t no ip domain-lookup end sh ru
CCNA3 activity 4 4 2 challenge vtp configuration
CCNA3 activity 4 4 2 challenge vtp configuration
Switch 31 with 17 on CCNA3 activity 4.4.2
Basic configuration on devices
Basic configuration on devices:
- set hostname;
- set secret password;
- set banner motd;
- encrypt passwords;
-
- line console 0
- set synchronous logging
- set idle time
- set password
- use login
-
- line vty 0 15
- set password
- use login
- set history size
Below you have the commands. The hostname is at the end, because if you want to copy-paste them, you will have to modify the hostname:
enable
conf t
enable secret cisco
banner motd #AUTHORIZED ACCESS ONLY !#
service password-encryption
line console 0
logging synchronous
exec-time 0 0
password cisco
login
history size 256
line vty 0 15
password cisco
login
history size 256
exit
hostname
Different types of memory that a computer uses
The different types of memory that a computer uses, in order of fastest to slowest, are as follows: memory inside CPU – L1 cache; memory in the [..]
When to use straight through cable and when to use crossover cable
On the left hand side are devices that use straight-through cable and on the right hand side are devices that use crossover cables.
These are the devices that use a straight-through cable:
- Switch – Router
- Switch – PC
- Switch – Server
- Hub – PC
- Hub – Server
These are the devices that use a crossover cable:
- Switch – Switch
- Switch – Hub
- Hub – Hub
- Router – Router
- Router – PC
- Router – Server
- PC – PC
But nowadays the standard is becoming obsolete due to the fact that Auto-MDIX (automatic medium dependent interface crossover) technology on devices grows with each device that supports it. This means that ports do not need to know what type of cable is used when you connect two devices.
Skill Based Assessment Packet Tracer Environment Check