Virtualization

What is virtual firewall?

Virtual firewall enables a physical firewall to be partitioned into multiple standalone firewalls

How each virtual is define

Each virtual firewall is an independent device.

Each firewall has its own configuration, security polices, routing table and administrators.

What this virtual firewall called as

Each virtual firewall is known as security context

There is service Provider Company that sells security polices to customer. What decision does thtt company take for providing security services to its customer

Companyywill create security contextfor customerinstead of using separate physical fiorewall

What are uses of security contstxt or virua firewall

Thers is a large enterprise that reuie difern security polices to implent for ech department

We want to integrate security policies of many physical firewlllss into one physical firewall

Which ASA models support virtual firewall

Supported on Cisco ASA 5510 to 5585-x

Not supported on Cisco ASA 5505

How Cisco ASA is divided in virtual firewall environment

In virtual firewall environment , Cisco ASA is divided into three types

System Execution Space also known as system context

Admin context

One or more user contexts also known as customer context

How each security context is handled?

Each context can be indepednetly configured and maintained

What is  system executions psce

System execution psace I sue for defining te attribute and setting for other security context

What seting system executin does not contain

Layer2 or layer 3 interfac or any network setting

Which three important setting can be configured for each context in system executuion space

Context name

Location of contexts startup configuration

Interface allocation

What is the name for context startup configuration file

Configlet

Where does system execution space configuration resides

System execution pace resides in non volatile random access memory (NVRAM)

Where does the configuration fle for each security context store

Local flash memory or on netwok storage server

What are the  different network protocols can be used to retrieve configuration files stored on an external storage server

TFTP

FTP

HTTPS

HTTP

Which context is created by system execution space

Admin context