... 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 80OSI and DoD ... 2: 57 PM Page 13 xviii ContentsCreating an Integration Plan 178 Beginning the Collocation Planning 178 Performing a Risk Analysis 179 Creating an Action Plan 179 Preparing the Planning Deliverables ... 25Modulating a Radio Signal 27 Propagating a Strong Radio Signal 34Understanding Signal Power andSignal -to- Noise Ratio 35Attenuation 36Rain Attenuation 39Bouncing 39Refracting 41Line...
... Create a SQL SELECT statement referencing a worksheet or a range in an Excel workbook and execute the statement to fill a DataSet using a DataAdapter or to create a DataReader. For example: ... INSERT INTO [MySheet$] (Field1, Field2, Field3) VALUES ('testdata', 1.234, '09/28/1 979 '); Retrieve data Use either a DataAdapter or a DataReader to retrieve data from an Excel ... 1-2. Example 1-2. File: ExcelForm.cs // Namespaces, Variables, and Constants using System; using System.Configuration; using System.Data; private OleDbDataAdapter da; private DataTable...
... Manager and Query Analyzer are also shared. The System.Data.SqlClient class cannot automatically discover the port number of a named instance of SQL Server listening on a port other than ... need to understand what a SQL Server or MSDE named instance is and how to connect to one. The sample code contains a single event handler: Connect Button.Click Creates and opens a connection to ... [ Team LiB ] Recipe 1 .7 Connectingtoa Named Instance of SQL Server or Microsoft Data Engine (MSDE) Problem You want to connect toa named instance of a SQL Server or Microsoft Data Engine...
... dis-played router system and protocol data, facilitating a novice adminis-trator’s ability to understand how the router is configured and workingStackMaker An application that an administrator can ... a good idea to go ahead and putthe impossible down as a goal when a team member suggests a technologyneed. 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 bandwidthavailable. If you have Category 5 cabling and are usingshared Ethernet 10BaseT, consider changing...
... 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, orrunning 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 formaking certain that our vision remains worldwide in scope.Annabel Dent, Anneka Baeten, Clare MacKenzie, and Laurie Giles of HarcourtAustralia for all their...
... result.ToString( ); } Discussion A Microsoft Access database password requires that users enter a password to obtain access to the database and database objects. This is also known as share-level ... those defined by ADO.NET. To open a database secured by a Microsoft Access database password, use the Jet OLEDB:Database Password attribute in the connection string to specify the password. This ... security. A password does not allow groups or users to have distinct levels of access or permissions. Anyone with the password has unrestricted access to the database. The Set Database command from...
... Team LiB ] [ Team LiB ] Recipe 1.4 Connectingtoa Secured Access Database Problem You want to connect toa Microsoft Access database that has been secured with user-level security and ... database. The sample code contains a single event handler: Connect Button.Click Creates and opens a connection toa Microsoft Access database secured with user-level security and a workgroup ... defined by ADO.NET. To open a database secured by Microsoft Access user-level security, use the Jet OLEDB:System Database attribute in the connection string to specify the path and filename of...
... provider can read records from and insert records into a text file data source. The Jet database engine can access other database file formats through Indexed Sequential Access Method (ISAM) drivers ... data adapter to retrieve all rows from text file. The MaxScanRows option indicates how many rows should be scanned to automatically determine column type. A value of 0 indicates that all rows ... provider to access data in a text file. The sample code creates an OleDbDataAdapter that uses the Jet OLE DB provider to load the contents of the text file Categories.txt, shown in Example 1-13,...
... 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...
... a good idea to go ahead and putthe impossible down as a goal when a team member suggests a technologyneed. 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■ManageabilityThese ... when he was a teenager. He didn’t have a TV,or a telephone, or a car, or a refrigerator, or a washing machine, orrunning water aside from that at a hand-pumped well. By the timehe was my age (mid-30s),...