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NEW QUESTION: 1
You use Microsoft .NET Framework 4.0 to develop an application that connects to two separate Microsoft
SQL Server 2008 databases.
The Customers database stores all the customer information, and the Orders database stores all the order
information.
The application includes the following code. (Line numbers are included for reference only.)
01 try
02 {
03 conn.Open();
04 tran = conn.BeginTransaction("Order");
05 SqlCommand cmd = new SqlCommand();
06 cmd.Connection = conn;
07 cmd.Transaction = tran;
08 tran.Save("save1");
09 cmd.CommandText = "INSERT INTO [Cust].dbo.Customer " + "(Name,
PhoneNumber) VALUES ('Paul Jones', " + "'404-555-1212')";
10 cmd.ExecuteNonQuery();
11 tran.Save("save2");
12 cmd.CommandText = "INSERT INTO [Orders].dbo.Order " + "(CustomerID)
VALUES (1234)";
13 cmd.ExecuteNonQuery();
14 tran.Save("save3");
15 cmd.CommandText = "INSERT INTO [Orders].dbo." + "OrderDetail (OrderlD,
ProductNumber) VALUES" + "(5678, 'DC-6721')";
16 cmd.ExecuteNonQuery();
17 tran.Commit();
18 }
19 catch (Exception ex)
20 {
21 ...
22 }
You run the program, and a timeout expired error occurs at line 16. You need to ensure that the customer
information is saved in the database.
If an error occurs while the order is being saved, you must roll back all of the order information and save the
customer information.
Which line of code should you insert at line 21?
A. tran.Rollback(); tran.Commit();
B. tran.Rollback();
C. tran.Rollback("save2");
D. tran.Rollback("save2"); tran.Commit();
Answer: D
Explanation:
http://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqltransaction.save.aspx http://msdn.microsoft.com/en-us/library/4ws6y4dy.aspx
NEW QUESTION: 2
ユーザーが米国東部地域でEC2インスタンスを起動しています。アベイラビリティーゾーンの選択に関して、AWSが推奨する以下のオプションはどれですか？
A. インスタンスの起動中は常にAZを選択します
B. 常にHAのUS-East-1-aゾーンを選択します
C. ユーザーはインスタンスの起動中にアベイラビリティーゾーンを選択できません
D. AZを選択しないでください。代わりに、AWSにAZを選択させます
Answer: D
Explanation:
説明
EC2でインスタンスを起動するとき、AWSはアベイラビリティーゾーン（AZ）を選択しないことをお勧めします。 AWSは、デフォルトのアベイラビリティーゾーンを受け入れることを指定しています。これは、AWSがシステムの状態と利用可能な容量に基づいて最適なアベイラビリティーゾーンを選択できるようにするためです。ユーザーが追加のインスタンスを起動する場合のみ、アベイラビリティーゾーンを指定する必要があります。これは、実行中のインスタンスと同じまたは異なるAZを指定するためです。
NEW QUESTION: 3
A Dell EMC NetWorker customer is using AFTD over NFS and is experiencing poor backup speeds. They want to increase the maximum potential block size after the AFTD is labeled without losing prior backup data.
What is the recommended action to improve the backup speeds?
A. Relabel the device and change the block size to a value between 128 - 256 KB
B. Make the device read-only and create a new AFTD device with a block size between 128 - 256 KB
C. Relabel the device and change the block size to a value between 256 - 512 KB
D. Make the device read-only and create a new AFTD device with a block size between 64-128 KB
Answer: D
NEW QUESTION: 4
Coordinating a schedule, organizational policies, staffing plans and historical information about risk is an example of:
A. Communication planning
B. Project plan development
C. Risk management
D. Overall change control
Answer: B
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