1. teklet
So by default you can see that a password is necessary to telnet to the vty traces of a router
or swap.
Line passwords:
A password can be utilised on the line for accessibility. This is easy to setup as there is only
1 password, but it not extremely safe due to the fact absolutely everyone shares that single
password and it is tough to monitor who has manufactured adjustments.
This is configured as follows:
Router&gtenable
Router#configure terminal
Router(config)#line vty 4
Router-2(config-line)#login
% Login disabled on line 2, until 'password' is established
% Login disabled on line three, until finally 'password' is set
% Login disabled on line 4, until 'password' is set
% Login disabled on line 5, right up until 'password' is established
% Login disabled on line six, till 'password' is established
Router(config-line)#password cisco
When a telnet link is now manufactured to the router, the router will prompt for a password:
C:&gttelnet 10.1.two.1
Person Entry Verification
Password:
Enter your password and you are now in user mode:
Router&gt
&nbsp
Regional usernames:
This is much better than using a line password as diverse users have their personal
individual passwords. Each use is essential to enter their very own passwords rather than
making use of a shared password. This will help with logging which user has created
changes to the router.
Router&gtenable

2. Router#configure terminal
Router(config)#username david password cisco
Router(config)#line vty four
Router-two(config-line)#login nearby
Testing:
C:&gttelnet 10.one.2.1
Person Access Verification
Username:david
Password:
Enter your password and you are now in consumer manner:
Router&gt
Summary:
It is greater to use usernames, relatively than line passwords for added protection.
Nonetheless dependent on your demands you may possibly require to know possibly option.
In the subsequent report we protect making use of no passwords at all and using AAA
servers.
CCNA Certification And CCENT Certification:
You try to Telnet to a Cisco router, and you obtain the subsequent concept. What password
is the router referring to?
R1#telnet 172.12.123.three
Trying 172.twelve.123.three
Person Accessibility Verification
Password:
CCNA Safety Certification / CCNP ISCW Examination:
What is the purpose of the 256MB.sdf file? What does the "256" refer to?
CCNP Certification / BSCI Test:
In accordance to Cisco ideal procedures, an OSPF area should have no more than how
numerous routers?
CCNP Certification / BCMSN Examination:
What goal does the following command serve? What protocol is being configured?

3. R1(config-if)#standby five monitor s0/ twenty five
CCNP / ONT Test:
What elements are generally utilized to determine whether Predictor or Stacker must be used
for L2 payload compression?
Right here are the answers!
CCNA: Reply: The password necessary below is the VTY line password.
CCNA Safety / ISCW: Response: This is a single of 3 preconfigured Signature Definition
Data files. Cisco's website suggests managing the Intruder Avoidance Technique (IPS) with
the preconfigured information - attack-fall.sdf, 128MB.sdf, and 256MB.sdf. The "128MB" and
"256MB" refer to the volume of memory essential to use these distinct data files.
BSCI: Answer: An OSPF spot ought to have no a lot more than fifty routers.
BCMSN: Reply: This line configures HSRP Interface Tracking. Serial / is the tracked
interface, and the "25" at the finish of this command modifications the decrement from its
default of 10.
In depth info about speaker can be read at main website.