Network Security, Firewalls, and VPNs | Chapter One - "Fundamentals of Network Security" | Assessment Questions #1 - #20

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What distinguishes workgroups from client/server networks? (In other words, what feature is common to one of these but not both?)

Centralized authentication

What is the most important characteristic of an effective security goal?

It is written down

Which of the following is true regarding a Layer 2 address and a Layer 3 address?

Layer 2 addresses can be filtered with MAC address filtering; Network Layer addresses are at Layer 3 and are routable

Which of the following is NOT a feature of a proxy server?

MAC address filtering

Which of the following are common security objectives?

Nonrepudiation, confidentiality, integrity, and availability

Remote control is to thin clients as remote access is to?

VPN

What is a difference between a DMZ and an extranet?

VPN required for access

Which of the following is allowed under NAC if a host is lacking a security patch?

Access to remediation servers

What is an asset?

Anything used in a business task

What is the most common default security stance on firewalls?

Denying by default, allowing by exception

Who is responsible for network security?

Everyone

What is egress filtering?

Examining traffic as it leaves a network

What is the benefit of learning to think like a hacker?

Protecting vulnerabilities before they are compromised

Which of the following are NOT benefits of IPv6?

RFC 1918 address

What is the primary security concern with wireless connections?

Signal propagation

What elements of network design have the greatest risk of causing a DoS?

Single point of failure; bottlenecks

What is true about all security components and devices?

They all have flaws or limitations

An outsider needs access to a resource hosted on your extranet. The outsider is a stranger to you, but one of your largest distributors vouches for him. If you allow him access to the resource, this is known as what?

Trusted third party

What two terms are closely associated with VPNs?

Tunneling and encapsulation

For what type of threat are there no current defenses?

Zero day


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