Access Control List in CISCO:-
ACLs were the main methods for giving firewall security. Despite the fact that there are numerous different kinds of firewalls and contrasting options to ACLs in presence, they are as yet utilized today, even in mix with different innovations (like in virtual private systems to characterize which activity ought to be scrambled and sent by means of VPN passage) and you should ace them to make progress at the CCNA level and past.
Reasons why you should utilize ACLs:
Breaking point arrange movement to build organize execution
Give movement stream control
Give an essential level of security for arranging access by characterizing which part of the system/server/administration can be gotten to by a host and which can’t
Granular control over activity entering or existing the system