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Exam 9: Introduction to Network Security

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Question 21

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What can firewalls do to help ensure that a packet is denied if it's not part of an ongoing legitimate conversation?

A) intrusion detection
B) MAC filtering
C) content filter
D) stateful packet inspection

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Question 22

Multiple Choice

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Which of the following is a type of malware that isn't self-replicating and is usually installed by the user without his knowledge. It's primary goal is to invade your privacy by monitoring your system and reporting your activities to advertisers and spammers.

A) rootkit
B) Trojan
C) hoax virus
D) spyware

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Question 23

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Which of the following is a type of denial-of-service attack that involves flooding the network with broadcast messages that contain a spoofed source address of an intended victim?

Match each item with a statement below. a.digital certificates b.virus c.denial-of-service d.firewall e.preshared key f.logic bomb g.worm h.stateful packet inspection i.IDS j.backdoor -monopolizes network services or network bandwidth

A DoS attack ties up network bandwidth or services, rendering resources useless to legitimate users.

Which of the following are true about WPA3? (Choose all that apply.)

If the minimum password length on a Windows system is set to zero, what does that mean?

How the network resources are to be used should be clearly defined in a (an) ____________ policy.

What is the difference between an IDS and IPS?

What is created when a packet is encapsulated with additional headers to allow an encrypted packet to be correctly routed by Internet devices?

Which VPN implementation typically needs no additional firewall configuration to be allowed access through the firewall?

A security policy should clearly state the desired rules, even if they cannot be enforced.

Which of the following is a credential category used in multifactor authentication? (Choose all that apply.)

Match each item with a statement below. a.digital certificates b.virus c.denial-of-service d.firewall e.preshared key f.logic bomb g.worm h.stateful packet inspection i.IDS j.backdoor -packets are denied on context as well as packet properties

Why is it important that a network is physically secured?

Match each item with a statement below. a.digital certificates b.virus c.denial-of-service d.firewall e.preshared key f.logic bomb g.worm h.stateful packet inspection i.IDS j.backdoor -malware that's activated when a particular event occurs

Match each item with a statement below. a.digital certificates b.virus c.denial-of-service d.firewall e.preshared key f.logic bomb g.worm h.stateful packet inspection i.IDS j.backdoor -a series of letters, numbers, and special characters, much like a password, that both communicating devices use to authenticate each other's identity

A rootkit is a self-replicating program that masks itself as a useful program but is actually a type of malware.

Which protocol works by establishing an association between two communicating devices and can use a preshared key for authentication?

What type of policy defines the methods involved when a user sign in to the network?