A record of the types and strengths of steels used on a ship must be included in the（）...

第1题

[] Which of the following DNS record types provides the hostname to IP address mapping?（）

A、A. A record B、B. NS record C、C. CNAME record D、D. MX record

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第2题

[单选题] Which of the following types of DNS records enables support for email?（）

A、A B、MX C、PTR D、AAAA

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第3题

[单选题] You added a PHONE_NUMBER column of NUMBER data type to an existing EMPLOYEES table. The EMPLOYEES table already contains records of 100 employees. Now, you want to enter the phone numbers of each of the 100 employees into the table. Some of the employees may not have a phone number available. Which data manipulation operation do you perform?（）

A、MERGE B、INSERT C、UPDATE D、ADD E、ENTER F、You cannot enter the phone numbers for the existing employee records.

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第4题

[单选题] You added a PHONE_NUMBER column of NUMBER data type to an existing EMPLOYEES table. The EMPLOYEES table already contains records of 100 employees. Now, you want to enter the phone numbers of each of the 100 employees into the table. Some of the employees may not have a phone number available. Which data manipulation operation do you perform?（）

A、MERGE B、INSERT C、UPDATE D、ADD E、ENTER F、You cannot enter the phone numbers for the existing employee records.

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第5题

[单选题] You added a PHONE_NUMBER column of NUMBER data type to an existing EMPLOYEES table. The EMPLOYEES table already contains records of 100 employees. Now, you want to enter the phone numbers of each of the 100 employees into the table. Some of the employees may not have a phone number available. Which data manipulation operation do you perform? （）

A、MERGE B、INSERT C、UPDATE D、ADD E、ENTER F、You cannot enter the phone numbers for the existing employee records.

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第6题

[多选题] When selecting a Network Interface Card (NIC), which of the following factors need to be considered?（）

A、The type of application used on the network B、The type of system bus used by the computers C、The type of memory installed in each computer D、The type of media used in the network topology E、The type of protocols used in the network F、The physical layout of the network hosts

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第7题

[单选题] Which statement is TRUE（）.

A、You need not keep a record of ground garbage dumped into the sea more than 25 miles offshore B、You must keep a record of garbage discharged in port to a shore facility C、You need not keep a record of garbage incinerated on the ship D、You must keep a record of the approximate weight of the garbage dumped

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第8题

[多选题] You want to make use of the object features available in the database for the form module you are developing. Which three statements about object types are true? （）

A、An object type is a user-defined composite data type. B、The attributes of an object type can be those of other object types. C、A PL/SQL table of records is an example of a nested object type. D、An object type must be declared as a type before the actual object itself can be declared.

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第9题

[] You create a large, n-tier Web application that has a custom event tracking system. You need to create a custom event type that enables your event tracking system to record all relevant event details for all types of events. The events must be stored in Microsoft SQL Server. From which base type should your custom event type inherit? （） You create a large, n-tier Web application that has a custom event tracking system. You need to create a custom event type that enables your event tracking system to record all relevant event details for all types of events. The events must be stored in Microsoft SQL Server. From which base type should your custom event type inherit? （）

A、A. IWebEventCustomEvaluator B、B. WebEventProvider C、C. WebBaseEvent D、D. WebAuditEvent

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A record of the types and strengths of steels used on a ship must be included in the（）.

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