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CompTIA Security+ SY0-501 > Network Segmentation > Flashcards

Flashcards in Network Segmentation Deck (9)
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1

What is an ACL?

Access Control List (L3)

2

What rule is at the end of an ACL?

Implicit deny

3

How do you denote a wildcard mask on a Cisco router vs Cisco ASA?

Router 0.0.0.255
ASA 255.255.255.0
Says last octet can be any IP

4

What is a VLAN?

Virtual Local Area Network
same layer 2 broadcast domain
requires routing for VLAN intercommunication

5

What is QoS?

Quality of Service
implements traffic shaping to prioritise specific traffic

6

How are ACLs processed?

Top to bottom
If there is a packet match the rest of the ACL will not be considered at that instance

7

What is NAC?

Network Admission Control

8

What is PAT vs NAT?

NAT - one to one mapping
PAT - one to many mapping

9

What is destination vs source NAT?

Source NAT - Map private to public address | outbound
Destination - Map public to private address | inbound