2 tier | 3 tier | collapsed core network architecture explained | Free CCNA 200-301 | | tier 3 คือ

2 tier | 3 tier | collapsed core network architecture explained | Free CCNA 200-301 |


นอกจากการดูบทความนี้แล้ว คุณยังสามารถดูข้อมูลที่เป็นประโยชน์อื่นๆ อีกมากมายที่เราให้ไว้ที่นี่: ดูความรู้เพิ่มเติมที่นี่

Building a Campus network is more than only interconnecting physical network infrastructure devices.
The most challenging and important part of it is the planning and design phases where different technical variables and technologies need to be considered that could even affect the product selection and the design entirely.
Network designers do not just plug in devices to any port and connect switches to each other in an arbitrary way, like you might do with a few devices on the same table in a lab.
Instead, there are known better ways to design the topology of a campus LAN,
Cisco’s hierarchical network design model breaks the complex problem of network design into smaller and more manageable.
Each layer or tier in the hierarchy is focused on specific set of roles.
This helps the network designer and architect to optimize and select the right network hardware, software and features to perform specific roles for that network layer
The two proven hierarchical design architectures for campus networks are the
1.Threetier model
2.Twotier model
A typical enterprise hierarchical campus network design includes the following three layers:
1.Core layer
2.Distribution layer
3.Access Layer
Threetier layer model
This design model can be used in large campus networks where multiple distribution layer and buildings need to be interconnected
Access Layer
The access layer is the first tier or edge of the campus.
It grants end devices access to the network.
As shown in Figure, the access layer network generally incorporates Layer 2 switches and access points providing connectivity between workstations and servers.
The access layer provides the intelligent demarcation between the network infrastructure and the computing devices that leverage that infrastructure.
It is the first layer of defense in the network security architecture and the first point of negotiation between end devices and the network infrastructure.
When looking at the overall campus design, the access switch provides the majority of these accesslayer services and is a key element in enabling multiple campus services
The Distribution Layer 
The distribution layer in the campus design has a unique role in that it acts as a services and control boundary between the access and the core. 
The distribution layer on the other hand serves multiple purposes.
 It is an aggregation point for all of the access switches and acts as an integral member of the accessdistribution block providing connectivity and policy services for traffic flows within the accessdistribution block
The distribution layer aggregates the data received from the access layer switches before it is transmitted to the core layer for routing to its final destination.
A distribution layer switch may provide upstream services for many access layer switches.
In Figure, the distribution layer is the boundary between the Layer 2 domains and the Layer 3 routed network.
Either a router or a multilayer switch is used to segment workgroups and isolate network problems in a campus environment.
Core layer
The core layer is also referred to as the Network Backbone
The campus core is in some ways the simplest yet most critical part of the campus.
The core layer consists of highspeed network devices such as the Cisco Catalyst 6500 or 6800.
. The core aggregates the traffic from all the distribution layer devices, and are designed to and interconnect multiple campus components.
As shown in Figure , the core layer is critical for interconnectivity between distribution layer devices (for example, interconnecting the distribution block to the WAN and Internet edge).
It provides a very limited set of services and is designed to be highly available and operate in an alwayson mode.
In the modern business world, the core of the network must operate as a nonstop 7x24x365 service.
The key design objectives for the campus core are based on providing the appropriate level of redundancy to allow for near immediate dataflow recovery in the event of any component (switch, supervisor, line card, or fiber) failure.
Twotier layer model
This design model, is more suitable for small to mediumsize campus networks
Many small enterprise networks do not grow significantly larger over time as large organization grow.
In such network the core and distribution functions can be combined into one layer, also known as collapsed coredistribution architecture.
A “collapsed core” is when the distribution layer and core layer functions are implemented by a single device.
The primary motivation for the collapsed core design is reducing network cost, while maintaining most of the benefits of the threetier hierarchical model.

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In my next session i will be discussing about leaf and spine Architecture.
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CCNA 2tier 3tier collapsedcore

2 tier | 3 tier | collapsed core network architecture explained | Free CCNA 200-301 |

Expedition Tier 3 Gameplay and Rewards (Jukebox Location and more) | Control DLC


Here is my Tier 3 Expedition Run for the new \”DLC\” for Control. Hope it helps ya guys!

Expeditions FAQ

Q: What are Expeditions?
A: Expeditions are a challenging new game mode, free for all owners of Control. In this mode, Jesse goes to a dangerous part of the Black Rock Quarry Threshold, where she must fight off the Hiss in four different arenas and pass a variety of challenges in a set time limit.
 
Q: Do I need to own Control to be able to play Expeditions?
A: Yes. Expeditions is available as part of the December update to Control on all platforms.
 
Q: How do I unlock Expeditions?
A: Expeditions become available once you have completed the main mission My Brother’s Keeper. This is the sixth mission in the main story, where you gain the Levitation ability.
There will be a Jukebox Token to pick up in Central Executive, and after a conversation with Arish, Jesse will go find the mysterious Formation for the first time. Following that mission, you can play Expeditions whenever you like, if you have a Jukebox Token.
 
Q: How do I get Jukebox Tokens?
A: You get Jukebox Tokens by completing Bureau Alerts, Board Countermeasures, and by defeating named enemies. Jukebox Tokens are also craftable at Control Points. Every time you complete an Expedition, you will also get one or more Tokens as a reward, depending on the difficulty tier.
 
Q: Where is the Jukebox?
A: The Jukebox is in Central Executive, close to the Control Point and right of the Sector Elevator.
 
Q: Where do Expeditions take place?
A: Expeditions take place in a Threshold area somehow connected to the Black Rock Quarry, where the Bureau has found a mysterious structure called the Formation. There are four “islands”, and each island has a different challenge for Jesse to overcome.
 
Q: What different challenges will I have to pass in the four arenas?
A: The four arenas contain four different challenges. You can do them in whichever order you like. To successfully pass the Expedition, you need to complete all four challenges within the time limit. The challenges are: recover biometric logs from dead Rangers, cleanse three broadcast plates, burn Hisscorrupted material in the incinerator, and retrieve lost specimen data. Some of these require you to defeat all Hiss in an area before you can proceed, in others Jesse will need to locate something in the environment and interact with it (the dead rangers, the Hisscorrupted material), or capture an area back from the Hiss.
 
Q: What kind of rewards do I get if I complete an Expedition?
A: When you successfully complete an Expedition, you receive powerful rewards: rare mods and crafting materials, and mods that are unique to the Expeditions mode and can’t be obtained in any other way. You will also receive a new outfit for Jesse when you complete Tier 3 of Expeditions for the first time.
 
Q: How should I prepare for Expeditions?
A: We encourage you to have all the abilities unlocked and to have them as upgraded as possible in order to have the best experience. You should also make sure you have Service Weapon upgrades and plenty of mods to choose from.
 
Q: How long is one Expedition?
A: Every Expedition lasts 25 minutes. If you don’t complete the Expedition within the time limit, you get pulled out of the Quarry and returned to the Jukebox.
 
Q: Can I fail an Expedition?
A: Yes. If the timer runs out, you are returned to the Jukebox in Central Executive and lose your Jukebox Token. If you die, you get returned to the Formation and your progress in the current arena is reset.
 
Q: What are the different Expedition tiers?
A: Expeditions have three different tiers. The first tier is the least challenging, and the third tier is the most challenging one. Every Expedition tier has different modifiers that affect Jesse and the enemies differently. Tier 1 has one modifier, Tier 2 has two, and Tier 3 has three modifiers.
 
Q: How do I unlock different Expedition tiers?
A: When you start Expeditions for the first time, only Tier 1 will be available. After successfully completing Tier 1 once, Tier 2 will unlock. The Expedition tiers unlock sequentially.
 
Q: How big is the Expeditions update?
A: The Expeditions update should be around 2GB in size, but this may vary slightly depending on the platform.

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Control

Expedition Tier 3 Gameplay and Rewards (Jukebox Location and more) | Control DLC

𝗠𝗼𝗱𝗲𝗿𝗻 𝗪𝗮𝗿𝘀𝗵𝗶𝗽𝘀 | วิเคราะห์ แนะนำ เรือและอาวุธ 𝗧𝗶𝗲𝗿 𝟯


0:00 ทักทายและอธิบายภาพรวม
1:29 คร่าวๆเรื่องเรือ
วิเคราะห์เรือ
2:00 Admiral Ushakov
2:50 Ashigara
3:30 Renhai
4:22 Zumwalt
5:30 Vella Gulf
6:22 Port Royal
7:07 Varyag
8:04 Pyotr Velikiy
9:06 Admiral Nakhimov
10:09 Yamato
11:33 Ulyanovsk
12:19 Gerald R.ford
13:11 Type 003
14:00 Type 094
14:22 Yury Dolgorukiy
14:41 Dmitry Donskoy
15:04 พูดถึงเรือดำน้ำ
15:38 แนะนำเรือ 🔥✨🔥✨🔥
16:54 คร่าวๆเรื่องอาวุธ
วิเคราะห์อาวุธ
17:21 Missile
18:54 Cannon
20:58 Autocannon
21:50 AntiAircraft Gun
23:15 Grenade Launcher
24:22 Torpedo
24:44 Helicopter
25:33 Fighter
27:08 Strike Fighter
29:55 Drone
32:44 จบ

𝗠𝗼𝗱𝗲𝗿𝗻 𝗪𝗮𝗿𝘀𝗵𝗶𝗽𝘀 | วิเคราะห์ แนะนำ เรือและอาวุธ 𝗧𝗶𝗲𝗿 𝟯

SuperM 슈퍼엠 ‘호랑이 (Tiger Inside)’ MV


SuperM’s new single “호랑이 (Tiger Inside)” is out!
🎧Listen and download on your favorite platform: https://SuperM.lnk.to/TigerInside
🎁Official Store: https://SuperM.lnk.to/OfficialStore

►Subscribe to SuperM on YouTube!
https://www.youtube.com/superm?sub_confirmation=1
►SuperM Official
https://www.supermofficial.com
https://www.youtube.com/SuperM
https://www.instagram.com/SuperM
https://www.tiktok.com/@superm_smtown
https://www.twitter.com/SuperM
https://www.facebook.com/SuperM
https://www.vlive.tv/channel/9ADC8B
SuperM 슈퍼엠 호랑이 TigerInside SuperOne WeAreTheFuture SuperMthefuture
SuperM 슈퍼엠 ‘호랑이 (Tiger Inside)’ MV ℗© SM Entertainment under exclusive license to UMG Recordings, Inc.

SuperM 슈퍼엠 ‘호랑이 (Tiger Inside)’ MV

Hero Tier List For BTD6


This is a Hero Tier list for BTD6. I cover all 13 heroes and rank them S through F. This tier list is based off total usefulness across all gamemodes, not just CHIMPS.
I rank Quincy, Ezili, Pat, Gwendolin, Obyn, Striker Jones, Benjamin, Churchill, Psi, Adora, Brickell, Etienne, and Sauda.
Stream: https://www.twitch.tv/smackdaddyjosh
Discord: https://discord.gg/6KyEHC6WUP
Music: StreamBeats Harris Heller
BTD6 Shorts Tutorial Guide

Hero Tier List For BTD6

นอกจากการดูหัวข้อนี้แล้ว คุณยังสามารถเข้าถึงบทวิจารณ์ดีๆ อื่นๆ อีกมากมายได้ที่นี่: ดูบทความเพิ่มเติมในหมวดหมู่Tips

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