Designing A Wireless Network
... 2:The Data-Link Layer 75 Layer 3:The Network Layer 77 Layer 4:The Transport Layer 78 Layer 5:The Session Layer 78 Layer 6:The Presentation Layer 79 Layer 7: The Application Layer 80 OSI and DoD ... 2: 57 PM Page 13 xviii Contents Creating an Integration Plan 178 Beginning the Collocation Planning 178 Performing a Risk Analysis 179 Creating an Action Plan 179 Preparing the Planning Deliverables ... 25 Modulating a Radio Signal 27 Propagating a Strong Radio Signal 34 Understanding Signal Power and Signal -to- Noise Ratio 35 Attenuation 36 Rain Attenuation 39 Bouncing 39 Refracting 41 Line...
Ngày tải lên: 16/10/2013, 13:15
Using a SqlConnection Object to Connect to a SQL Server Database phần 1
... reason, ADO.NET automatically stores database connections in a pool. Connection pooling offers a great performance improvement because you don't have to wait for a brand new connection to the ... database to be established when there's a suitable connection already available. When you close a connection, that connection isn't actually closed; instead, your connection is marked ... create a SqlConnection object to connect to the // database, passing the connection string to the constructor SqlConnection mySqlConnection = Using a SqlConnection Object to Connect to a...
Ngày tải lên: 07/11/2013, 10:15
Tài liệu Using a SqlConnection Object to Connect to a SQL Server Database phần 2 doc
... class. The following example defines a method named StateChangeHandler to handle the StateChange event. You'll notice that the second parameter to this method is a StateChangeEventArgs ... enumeration is a list of numeric constants, each of which has a name. Table 7. 4 lists the constants defined in the ConnectionState enumeration. Table 7. 4: ConnectionState CONSTANTS CONSTANT NAME ... current state of that Connection object and you don't want to call the Open() method on an already open Connection because that will raise an exception. The following example uses the State...
Ngày tải lên: 14/12/2013, 13:15
Tài liệu Building a Cisco Network for Windows 2000 P2 doc
... dis- played router system and protocol data, facilitating a novice adminis- trator’s ability to understand how the router is configured and working StackMaker An application that an administrator can ... a good idea to go ahead and put the impossible down as a goal when a team member suggests a technology need. Sometimes that so-called “impossible” feat is actually available as a feature of a ... network adapters and network load balancing. ■ Use media and protocols that enable the highest bandwidth available. If you have Category 5 cabling and are using shared Ethernet 10BaseT, consider changing...
Ngày tải lên: 23/12/2013, 01:16
Tài liệu Building a Cisco Network for Windows 2000 P1 pdf
... grandfather, Arthur Conat, drove a carriage with horses when he was a teenager. He didn’t have a TV, or a telephone, or a car, or a refrigerator, or a washing machine, or running water aside from that at ... Design Model 75 When Is It Appropriate to Use Routers? 76 When Is It Appropriate to Use Switches? 77 Switching Overview and Application 77 Cisco Switch Models 77 Catalyst 6500 Series 77 Catalyst 5000 ... Beale of Harcourt International for making certain that our vision remains worldwide in scope. Annabel Dent, Anneka Baeten, Clare MacKenzie, and Laurie Giles of Harcourt Australia for all their...
Ngày tải lên: 23/12/2013, 01:16
Tài liệu Create a Dialog Box to Connect to a New Database, Including Listing Available SQL Servers and Databases pdf
... Label Name Label1 Text SQL Servers ListBox Name lstSQLServers Label Name Label2 7. 1 Create a Dialog Box to Connect to a New Database, Including Listing Available SQL Servers and Databases ... Server and database and then create a new connection based on the selections. Within a database application, it is necessary to allow users to select a SQL Server back end to which to connect. ... sometimes need to connect to various databases. An example of this is a large company that might keep its site information in separate databases in the same-or even different-SQL Servers. Management...
Ngày tải lên: 21/01/2014, 12:20
Building a Cisco Network for WIndows 2000 potx
... Design Model 75 When Is It Appropriate to Use Routers? 76 When Is It Appropriate to Use Switches? 77 Switching Overview and Application 77 Cisco Switch Models 77 Catalyst 6500 Series 77 Catalyst 5000 ... users ■ How to apply and manage policies ■ How to integrate management “islands” (i.e., separate network administration units and separate network management systems) ■ How to get interoperability ... data for a small group of internal developers, the network adminis- trator may not wish that server to be available on the Internet at all. Another challenge that businesses face is the increasing...
Ngày tải lên: 27/06/2014, 02:20
building a cicso network for windows 2000 phần 1 pps
... a good idea to go ahead and put the impossible down as a goal when a team member suggests a technology need. Sometimes that so-called “impossible” feat is actually available as a feature of a ... internetwork is not an easy job. It takes knowledge of proto- cols, hardware, software capabilities, and how to place and configure them to achieve the optimal ■ Performance ■ Reliability ■ Availability ■ Security ■ Scalability ■ Manageability These ... when he was a teenager. He didn’t have a TV, or a telephone, or a car, or a refrigerator, or a washing machine, or running water aside from that at a hand-pumped well. By the time he was my age (mid-30s),...
Ngày tải lên: 07/08/2014, 16:23
building a cicso network for windows 2000 phần 2 pot
... one remained assigned to a computer that was no more than a ghost on the network. With a dearth of IP addresses available, network administrators needed to reclaim any unused IP addresses that they ... same domain information as Host.tree.com. The fact that each domain holds a separate partition of the Active Directory plays a part in how replication of data affects your infrastructure. Balancing ... 255.255.255.0. FAQs Q: What are the advantages of directory enabled servers? A: A suite of directory enabled server applications can share informa- tion. Another advantage is that network devices...
Ngày tải lên: 07/08/2014, 17:20