CIS204 4

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ECPI University, Virginia Beach *

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204

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Computer Science

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Jan 9, 2024

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docx

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Maya Robinson 12/05/2023 CIS 204 4.1 What are some similarities and differences between a Two-Tier and Three-Tier Campus Design? What are some important factors to consider when choosing these two types of designs? Some similarities between the two designs are use, flexibility and more. Some differences between the two include cost, number of tiers and more. Some things you should consider when choosing between the two designs are budget, traffic patterns within your network, complexity and more. · Describe the access, distribution, and core roles in regards to campus switches. The Access role is the first layer that directly interacts with other devices like printers, computers and more. The access role is also responsible for handling user authentication, security policies and VLAN assignment. The Distribution role is the second layer and acts as an intermediary. This layer is responsible for performing VLAN routing, filtering and more. It also provides segmentation and controls the flow of traffic. The Core role is the final layer and is considered to be the backbone of the network. This layer provides high speed data transportation, redundancy abilities and more. · What are some design considerations to take into account for a SOHO? Some design considerations that you should take into account are the security requirements, space available for storage, what kind of requirements your network needs and more. · What is PoE? Why is PoE important to consider when architecting a LAN? PoE stands for Power over Ethernet and is used for delivering DC power to devices through Ethernet cabling. The reason PoE is important to consider when architecting a Lan is that it supplies both power and data through Ethernet cables without the need for extra power supplies and can maintain power without the need for a power repeater. · Conduct some research on three Cisco “First Hop Redundancy” protocols—HSRP, VRRP, and GLBP—and provide a brief summary and comparison of each.
Maya Robinson 12/05/2023 CIS 204 4.1 HSRP is a Cisco protocol that is used to provide high availability by allowing two or more routers to work in a group. One router is cinsidered as active while the rest are considered to be on standby. VRRP is a protocol similar to HSRP, it also uses several routers in a group with one considered the master and others as backups. GLBP is also a Cisco protocol and combines aspects from HSRP and load balancing. It uses multiple routers to share the load of sending traffic forward, distributing it amongst the routers.
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