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Part 1.

A minimum of 200 words is required for each discussion question, and they must be your own words. Including figures and quotes is value-added, but they will not count against your 200 word requirement. Be sure to examine the discussion grading rubric.

Discussion Question 1:

Describe a role that WSUS and Windows Defender play in securing a Windows Network Infrastructure. What should be the policy be to keep the nodes on your network updated with the latest security updates?

Discussion Question 2:

Describe in detail some of the aspects of DHCP related to Windows Server 2016 including leases, scopes, and commands, etc. Explain how DHCP is installed and configured on Windows Server 2016.

Part 2

1) Cisco’s hot Standby

The Cisco proprietary Hot Standby Router Protocol (HSRP) is considered a First Hop Redundancy Protocol (FHRP) that can provide first-hop (read: default gateway) redundancy in your networking environment. When we say, ‘First Hop’, we are referring to the default gateway address being used by end hosts, servers, and other network devices. HSRP achieves this redundancy by advertising a Virtual IP address (VIP) and even shares the Layer 2 MAC address between HSRP nodes. This means that if one (1) of the routers/MLS running HSRP fails, the other HSRP router/MLS will simply take over the duties of forwarding traffic and become the ‘active’ HSRP router/MLS. HSRP comes in two (2) flavors: HSRPv1 and HSRPv2 and supports both IPv4 and IPv6.

In this post your task will be to compare and contrast HSRPv1 and HSRPv2 while providing a detailed description of how HSRP functions from an operational perspective. Your post should address default values, HSRP runtime states, version interoperability, HSRP authentication, the reasons for a new version of HSRP (HSRPv2), and how the virtual MAC address value is calculated.

Post Requirements: Your posts must use at least two (2) sources of information (properly cited using the American Psychological Association (APA) citation guidelines) in addition tothe “hypermedia” already provided to you as part of the course. Your post must consist of a minimum of 250 words and a maximum of 500 words. Technical accuracy, proper in-text citations, and depth of coverage all play a critical role in your overall score.

2) The Virtual Router Redundancy Protocol (VRRP)

The Virtual Router Redundancy Protocol (VRRP) is an industry standard (defined in RFC 3768) alternative to the Cisco proprietary HSRP and GLBP. VRRP is supported by any serious networking vendor to include Cisco. VRRP, as defined in RFC 3768, does not support millisecond timers however, Cisco’s implementation has been created to support millisecond timers. VRRP shares many common attributes with HSRP, but also has many differences.

In this post your task will be to compare and contrast HSRP and VRRP while providing a detailed description of how VRRP functions from an operational perspective. Your post should address VRRP default values, VRRP runtime states, vendor interoperability, how VRRP is secured, and how the VRRP virtual MAC address value is calculated.

Post Requirements: Your posts must use at least two (2) sources of information (properly cited using the American Psychological Association (APA) citation guidelines) in addition tothe “hypermedia” already provided to you as part of the course. Your post must consist of a minimum of 250 words and a maximum of 500 words. Technical accuracy, proper in-text citations, and depth of coverage all play a critical role in your overall score.

3) Cisco’s proprietary Gateway Load Balancing Protocol

Cisco’s proprietary Gateway Load Balancing Protocol (GLBP) is yet another Cisco offering in the realm of First Hop Redundancy Protocols (FHRP). One of the significant enhancements provided by GLBP is its ability to simultaneouslyleverage all GLBP member routers/MLS for the forwarding of network traffic. This is in stark contrast to HSRP and VRRP where the network administrator is faced with two (2) choices: have all traffic use only the ‘active’ device or configure load balancing by manipulating the HSRP/VRRP groups (neither a fun nor an easy task). While GLBP is similar to HSRP, there is a whole new set of terminology that must be mastered.

In this post your task will be to compare and contrast HSRP and GLBP while providing a detailed description of how GLBP functions from an operational perspective. Your post should address GLBP default values, GLBP runtime states, how GLBP is secured, and how the GLBP virtual MAC address value is calculated. Finally, you should describe the different roles that GLBP routers/MLS serve when members of a GLBP group.

Post Requirements: Your posts must use at least two (2) sources of information (properly cited using the American Psychological Association (APA) citation guidelines) in addition tothe “hypermedia” already provided to you as part of the course. Your post must consist of a minimum of 250 words and a maximum of 500 words. Technical accuracy, proper in-text citations, and depth of coverage all play a critical role in your overall score.

4) Welcome to another opportunity to “Convince Me Otherwise”! We learned that there are a number of different First Hop Redundancy Protocols (FHRP) available on the Cisco platform. Your task in this post will be to change my mind regarding Cisco’s proprietary Hot Standby Router Protocol (HSRP).

Here is the statement you will tackle for this post: In an enterprise network environment, network engineers should always choose Cisco’s HSRP as the FHRP because it has more features, works better, and is easier to use in load balancing scenarios than VRRP and GLBP. Convince me otherwise!

 

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