The firewall may be a single computer system or a set of two or more$$systems that cooperate to perform the firewall function.

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A firewall can serve as the platform for IPSec.

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The firewall can protect against attacks that bypass the firewall.

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A packet filtering firewall is typically configured to filter packets going$$in both directions.

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One disadvantage of a packet filtering firewall is its simplicity.

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The countermeasure to tiny fragment attacks is to discard packets with$$an inside source address if the packet arrives on an external interface.

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A traditional packet filter makes filtering decisions on an individual$$packet basis and does not take into consideration any higher layer context.

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A prime disadvantage of an application$-$level gateway is the additional$$processing overhead on each connection.

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The primary role of the personal firewall is to deny unauthorized$$remote access to the computer.

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A DMZ is one of the internal firewalls protecting the bulk of the$$enterprise network.

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$\_\_\_\_\_\_\_\_\_$ control determines the types of Internet services that can be accessed, inbound or outbound.

Question $11$Answer

a$.$

Service

b$.$

User

c$.$

Behavior

d$.$

Direction

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$\_\_\_\_\_\_\_\_\_$ control controls how particular services are used.

Question $12$Answer

a$.$

Behavior

b$.$

Service

c$.$

Direction

d$.$

User

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$\_\_\_\_\_\_\_\_\_$ control determines the direction in which particular service requests may be initiated and allowed to flow through the firewall.

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a$.$

Behavior

b$.$

User

c$.$

Service

d$.$

Direction

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$\_\_\_\_\_\_\_\_$ control controls access to a service according to which user is attempting to access it$.$

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a$.$

User

b$.$

Service

c$.$

Behavior

d$.$

Direction

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The $\_\_\_\_\_\_\_\_\_$ defines the transport protocol.

Question $15$Answer

a$.$

destination IP address

b$.$

interface

c$.$

source IP address

d$.$

IP protocol field