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the access, distribution, and core layers

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Link aggregation should be implemented at which layer of the hierarchical network?

access, distibution and core


What are the primary layers of a hierarchical campus network?

Over time, the hierarchical approach to network design has proven the most effective. The three primary layers of a hierarchical campus follow: * Backbone or core- The backbone is the central thoroughfare for corporate traffic. All other parts of the network eventually feed into the backbone. You should design the core to switch packets as quickly as possible. This level should not include operations that might slow the switching of the packet: the distribution layer should handle any packet manipulation or filtering that needs to occur. * Distribution- The distribution layer provides policy-based connectivity and boundaries between the access layers and the core. For example, a building of 20 floors might have a distribution network that connects each of the floors with the backbone. It is at this layer that packets should be filtered or manipulated. Therefore, once packets are "prepped," the core simply needs to switch them quickly to the destination distribution location. * Access- The access layer provides user access to the network. It is at this point that users are permitted (or denied) access into the corporate network. Typically, each person sitting at a desk has a cable that runs back to a wiring closet and connects to a switch; hence, this level is where the user "accesses" the network. The distribution and core layers of the network provide vital services by aggregating groups of users and services. Therefore, if a distribution or core device dies, it can affect large communities of users. For this reason, reducing the chance of failure in these layers reduces and possibly prevents unnecessary and unplanned outages. Redundant network paths, redundant hardware, and fault-tolerant-related network protocols (such as Hot Standby Router Protocol) all aid in the ability of a network to recover quickly (and, you hope, transparently to the users) after a failure. Source: http://my.safaribooksonline.com/1587200740/ch24


The network support infrastructure required to utilise Network Computers?

I think it is depend upon network. You should consultant with any network expert.


What should be added to a network to support full-duplex communications?

Switch


How many layers should a bed ideally have for optimal comfort and support?

For optimal comfort and support, a bed should ideally have three layers: a supportive base layer, a pressure-relieving middle layer, and a soft top layer for comfort.


When should distance vector routing be used?

Distance vector routing is used when the network is simple and has no hierarchical design. Examples of distance vector routing protocols are RIP and IGRP.


Why would an administrator use the Telnet application when troubleshooting a network?

Telnet can be used to get into certain routers and other devices in the network. This will aid in the troubleshooting process because the devices support that protocol but it should be noted that it is a very insecure protocol and should never be used from outside the network to the inside of the network.


Design issues of layers in computer network?

design issues of layers are basically dealing with protocols and designing for efficiency.also differentiating between interfaces ,services and protocols is essential.in layered architecture function of each layer should be defined.


Will your telephone work in Europe?

If YOUR provider support roaming in Europe AND your phone is capable of accessing a 900/1800MHZ network it should work!


Does a physical network topology specify connectivity methods?

No, physical connections are OSI layer 2 connections and shouldn't specify any higher-level connectivity. Ideally you should still try to draw them in hierarchical order (core, distribution & access).


What should you guarantee about any network you plan for UTP?

There are some essential things that you should guarantee about any network you plan for UTP. The most important being consistent support and speedy response to queries and also include a service level agreement.


Will nokia 6300 unlocked accept a 3 simcard?

If the Nokia phone is already unlocked, then it should be able to support the frequency that 3 network operates on, hence you can insert a 3 network SIM card.