NET-11-P1 Access Control Lists

Question 1

What are ACLS used in

Answer 1

firewalls, switches and routers

computer file systems, web portals, and cloud configurations

Question 2

is a rule based feature that allows network administrators and engineers to configure basic traffic filtering. Is a series of commands that, based on information in the packet header, determine whether to drop a packet or forward it

Answer 2

ACL - Access Control List

Question 3

What is the difference between Stateless vs Stateful

Answer 3

Stateless firewalls remember the state of the session and close it once it is completed. Stateful firewalls understand the details of a connection and allow the return traffic

Question 4

What’s the difference between Standard ACLs vs Extended ACLs

Answer 4

Standard ACLs examine only source IP address when implementing restrictions. Extended ACLs filter packets according to the following parameters: protocol type, source of destination IP address, and source or destination port

Question 5

What are Wildcards

Answer 5

Wild cards are inverted subnet masks that can be used in statements in both extended and standard ACLS

ex: 0.0.0.255

Question 6

When no match is found for a packet, this is applied to the packet

Answer 6

Implicit Deny