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单选题
What is the default value for the ENABLED attribute of a job or program when it is created? （）
A
TRUE
B
FALSE
C
There is no default. It must be defined at creation time.
D
PENDING
E
NULL
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Given:What is the result?()
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单选题In JUNOS software, what is the only BGP attribute where a higher value is preferred?（）A
MEDB
originC
preferenceD
local preference
考题
单选题Given： What is the result？ （）A
A new Item object is created with the preferred value in the id attribute.B
The attribute id in the Item object is modified to the new value.C
Compilation fails.D
An exception is thrown at runtime.E
The attribute id in the Item object remains unchanged.
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单选题On a newly installed AIX V4 machine, which of the following default values applies to the ipforwarding network option?（）A
The ipforwarding is off by default. B
The ipforwarding is set on by default. C
The value is dynamically determined at boot time by DHCP. D
The value is equal to the setting of the directed_broadcast runtime attribute.
考题
单选题What is the default value for the ENABLED attribute of a job or program when it is created？（）A
TRUEB
FALSEC
There is no default. It must be defined at creation time.D
PENDINGE
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考题
单选题Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER NOT NULL EMP_NAME VARCHAR2(30) JOB_ID VARCHAR2(20) DEFAULT 'SA_REP' SAL NUMBER COMM_PCT NUMBER MGR_ID NUMBER DEPARTMENT_ID NUMBER You need to update the records of employees 103 and 115. The UPDATE statement you specify should update the rows with the values specified below: JOB_ID: Default value specified for this column definition. SAL: Maximum salary earned for the job ID SA_REP. COMM_PCT: Default value specified for this commission percentage column, if any. If no default value is specified for the column, the value should be NULL. DEPARTMENT_ID: Supplied by the user during run time through substitution variable. Which UPDATE statement meets the requirements?（）A
UPDATE employees SET job_id = DEFAULT AND Sal = (SELECT MAX(sal) FROM employees WHERE job_id = 'SA_REP') AND comm_pct = DEFAULT AND department_id = did WHERE employee_id IN (103,115);B
UPDATE employees SET job_id = DEFAULT AND Sal = MAX(sal) AND comm_pct = DEFAULT OR NULL AND department_id = did WHERE employee_id IN (103,115) AND job_id = 'SA_REP';C
UPDATE employeesC.UPDATE employees SET job_id = DEFAULT, Sal = (SELECT MAX(sal) FROM employees WHERE job_id = 'SA_REP'), comm_pct = DEFAULT, department_id = did WHERE employee_id IN (103,115);D
UPDATE employeesD.UPDATE employees SET job_id = DEFAULT, Sal = MAX(sal), comm_pct = DEFAULT, department_id = did WHERE employee_id IN (103,115) AND job_id = 'SA_REP';E
UPDATE employees SET job_id = DEFAULT, Sal = (SELECT MAX(sal) FROM employees WHERE job_id = 'SA_REP'), comm_pct = DEFAULT OR NULL, department_id = did WHERE employee_id IN (103,115);
考题
单选题Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER NOT NULL EMP_NAME VARCHAR2(30) JOB_ID VARCHAR2(20) DEFAULT 'SA_REP' SAL NUMBER COMM_PCT NUMBER MGR_ID NUMBER DEPARTMENT_ID NUMBER You need to update the records of employees 103 and 115. The UPDATE statement you specify should update the rows with the values specified below: JOB_ID: Default value specified for this column definition. SAL: Maximum salary earned for the job ID SA_REP. COMM_PCT: Default value specified for this commission percentage column, if any. If no default value is specified for the column, the value should be NULL. DEPARTMENT_ID: Supplied by the user during run time through substitution variable. Which UPDATE statement meets the requirements?（）A
UPDATE employees SET job_id = DEFAULT AND Sal = (SELECT MAX(sal) FROM employees WHERE job_id = 'SA_REP') AND comm_pct = DEFAULT AND department_id = did WHERE employee _id IN (103,115);B
UPDATE employees SET job_id = DEFAULT AND Sal = MAX(sal) AND comm_pct = DEFAULT OR NULL AND department_id = did WHERE employee_id IN (103,115) AND job _ id = 'SA_ REP';C
UPDATE employees SET job_id = DEFAULT, Sal = (SELECT MAX(sal) FROM employees WHERE job_id = 'SA_REP'), comm_pct = DEFAULT, department_id = did WHERE employee_id IN (103,115);D
UPDATE employees SET job_id = DEFAULT, Sal = MAX(sal), comm_pct = DEFAULT, department_id = did WHERE employee_id IN (103,115) AND job _ id = 'SA_ REP';E
UPDATE employees SET job_id = DEFAULT, Sal = (SELECT MAX(sal) FROM employees WHERE job_id = 'SA_REP') comm_pct = DEFAULT OR NULL, department_id = did WHERE employee_id IN (103,115);
考题
单选题Consider the following code snippet： BEGIN DBMS_SCHEDULER.SET_ATTRIBUTE （ name = ，，lne_job1， attribute = ，，job_priority， value = 1）； END； / If this code were executed， which of the following statements would be true？（）A
The priority of the lne_job1 job would be set to 1.B
The lne_job1 job would be executed synchronously.C
The lne_job1 job would run immediately in the users current session.D
The lne_job1 job would retain its current priority.E
The job will immediately take priority over all running jobs.
考题
单选题What is the default value for the ENABLED attribute of a job or program when it is created? （）A
TRUEB
FALSEC
There is no default. It must be defined at creation time.D
PENDINGE
NULL
考题
单选题You executed the following code： BEGIN DBMS_SCHEDULER.SET_ATTRIBUTE （ NAME = ’JOB_A’， ATTRIBUTE = ’JOB_PRIORITY’， VALUE = 7）； END； / After analyzing the above code， what conclusion will you draw？（）A
The code will be executed successfully.B
The code will not be executed successfully because the value of the VALUE parameter must be 1， 2， or 3.C
The code will not be executed successfully because the value of the VALUE parameter must range between 1 and 5.D
The code will not be executed successfully because no SET_ATTRIBUTE procedure exists in the DBMS_SCHDULER package.
考题
单选题A Windows Communication Foundation (WCF) application uses a data contract that has several data members. You need the application to throw a SerializationException if any of the data members are not present when a serialized instance of the data contract is deserialized.What should you do?（）A
Add the KnownType attribute to the data contract. Set a default value in each of the data member declarations.B
Add the KnownType attribute to the data contract. Set the Order property of each data member to unique integer value.C
Set the EmitDefaultValue property of each data member to false.D
Set the lsRequired property of each data member to true.
考题
单选题Windows Communication Foundation （WCF） application uses a data contract that has several data members. You need the application to throw a Serialization Exception if any of the data members are not present when a serialized instance of the data contract is deserialized. What should you do？（）A
Add the Known Type attribute to the data contract.Set a default value in each of the data member declarations.B
Add the Known Type attribute to the data contract.Set the Order property of each data member to unique integer value.C
Set the Emit Default Value property of each data member to false.D
Set the Is Required property of each data member to true.
考题
单选题Which statement is true about voice VLANs？ （）A
When the voice VLAN feature is enabled， all untagged voice and data traffic is sent through the voice VLAN.B
The voice VLAN feature is enabled by default.C
The IP phone overrides the priority of all incoming data traffic （tagged and untagged） and sets the CoS value to 0.D
The default CoS value is 1 for incoming voice and data traffic.
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