As part of a weekly online discussion thread in a CCNP SWITCH class

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As part of a weekly online discussion thread in a CCNP SWITCH class.

Discussion topic: Research and discuss various trends that have forced the redesign of campus networks.

 
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After reading this week’s materials, please respond

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After reading this week’s materials, please respond to one or more of the following questions:

  1. describe what is meant by “defense-in-depth” in security design. Give an example of a combination of security controls that you have seen implemented that show how the combination of security factors improve the overall security.
  2. The CIA triad is a common way of describing how confidentiality, integrity and availability concerns form the pillars of information security. Give an example from your experience or a technical article you’ve read that describes methods of improving security of information in each area of the CIA triad.
  3. Describe the administrative management practices of separation of duties, job rotation, and mandatory vacations and their role within operations security.
 
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Discussion question on the importance of scanning.

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Discussion question on the importance of scanning. <br/>Define scanning

and why it’s considered one of the most important phases of intelligence gathering for an attacker/hacker. Also discuss what kind of information is collected through scanning and explain why it is important to hackers?

 
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Describe the difference between the Biba Integrity Model

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Describe the difference between the Biba Integrity Model and

the Clark-Wilson Integrity Model. Give an overview of the Bell LaPadula Confidentiality.
-own words, describe the concept of ring protection. What is the difference between Layering and data hiding?
-Describe the different components addressed within the Common Criteria used for evaluation of the security elements within a system. What is the difference between certification and accreditation of a system?.
-Define cloud computing and describe the differences between Software as as Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS). Define parallel computing and describe bit-level parallelism, instruction-level parallelism, task-level parallelism, and data parallelism.

 
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Describe the four stages of the information life cycle.

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Describe the four stages of the information life cycle. What is the difference between backup and archival?

  1. What is data remanence? Describe the four different approaches to eliminating data remanence: overwriting, degaussing, encryption, and physical destruction.
  2. Describe the media management tasks required to safeguard information within the media life cycle.
  3. Describe what data leak prevention (DLP) is and compare the benefits and drawbacks of network DLP, endpoint DLP, and hybrid DLP.
 
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What is a cryptosystem and what services can cryptosystems

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-What is a cryptosystem and what services can cryptosystems

provide? Give an example of a cryptosystem and describe its operation.

2. What is a “man-trap”? What is the difference between “fail-safe” and “fail-secure” configurations in how doorways with automatic locks operate?

 
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From what security risks does EFS offer protection,

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From what security risks does EFS offer protection, and from what

risks does it not offer protection?  Describe what a “FEK” is and how it’s used? Feel free to research EFS at http://technet.microsoft.com/en-us/library/cc962103.aspx. With some detail, how can multiple people be granted access to an EFS-encrypted file?

 
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Describe TCP and UDP, and how they differ. Why do both protocols exist?

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Describe TCP and UDP, and how they differ. Why do both protocols exist?

 
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Which of the following actions is not easily accomplished in an existing Excel chart:

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Which of the following actions is not easily accomplished in an existing Excel chart:

Alphabetize an set of axis labels in an existing chart.

Change the chart type

Insert a chart via the Recommended Charts option

Rearrange chart data via the switch rows/columns option

 
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The Transport layer provides two service protocols

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-The Transport layer provides two service protocols: UDP and

TCP. Explain the differences between the two protocols in terms of guaranteed vs. non-guaranteed service and connection-oriented versus connection-less communication.
-Describe the functions of hubs/repeaters, bridges, switches, routers, and gateways. At what layers of the OSI model does each device operate?

 
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