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What statement is true？（）
- A、Link Control Protocol（LCP） is used for basic PPP link setup and operation
- B、Link Control Protocol（LCP） is used for denying PPP connections to unauthorized devices.
- C、Link Control Protocol（LCP） for PPP is synonymous to ARP for Ethernet.
- D、None of the above
参考答案
更多 “What statement is true？（）A、Link Control Protocol（LCP） is used for basic PPP link setup and operationB、Link Control Protocol（LCP） is used for denying PPP connections to unauthorized devices.C、Link Control Protocol（LCP） for PPP is synonymous to ARP for Ethernet.D、None of the above” 相关考题
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This statement is not ____ with what you said earlier.A. right B. consist C. accordance D. consistent
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听力原文：If a statement that presents a summary of the revenues and expenses of a business unit for a specific period, what is it called?(3)A．the income statementB．the balance sheetC．the financial statementD．the statement of cash flow
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Evaluate the SQL statement:SELECT LPAD (salary,10,*)FROM EMPWHERE EMP _ ID = 1001;If the employee with the EMP_ID 1001 has a salary of 17000, what is displayed?()
A. 17000.00B. 17000*****C. ****170.00D. **17000.00E. an error statement
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The EMPLOYEES table contains these columns:You need to write a query that will produce these results:1. Display the salary multiplied by the commission_pct.2. Exclude employees with a zero commission_pct.3. Display a zero for employees with a null commission value.Evaluate the SQL statement:What does the statement provide?（）A. All of the desired resultsB. Two of the desired resultsC. One of the desired resultsD. An error statement
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Examine the description of the MARKS table:SUBJ1 and SUBJ2 indicate the marks obtained by a student in two subjects.Examine this SELECT statement based on the MARKS table:What is the result of the SELECT statement?（）A. The statement executes successfully and returns the student ID and sum of all marks for each student who obtained more than the average mark in each subject.B. The statement returns an error at the SELECT clause.C. The statement returns an error at the WHERE clause.D. The statement returns an error at the ORDER BY clause.
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Evaluate the set of SQL statements:What is true about the set?()
A. The DESCRIBE DEPT statement displays the structure of the DEPT table.B. The ROLLBACK statement frees the storage space occupies by the DEPT table.C. The DESCRIBE DEPT statement returns an error ORA-04043: object DEPT does not exist.D. The DESCRIBE DEPT statement displays the structure of the DEPT table only if there is a COMMIT statement introduced before the ROLLBACK statement.
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Evaluate the SQL statement:What is the result of the statement?()
A. The statement produces an error at line 1.B. The statement produces an error at line 3.C. The statement produces an error at line 6.D. The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all departments that pay less salary then the maximum salary paid in the company.E. The statement returns the employee name, salary, department ID, and maximum salary earned in the department of the employee for all employees who earn less than the maximum salary in their department.
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The 192.168.0.0 network is not being propagated throughout the network. Observe the BGP configuration commands from the advertising router.What is the reason the 192.168.0.0 route is not being advertised? （）A. The network 192.168.0.0 statement is missing mask 255.255.0.0B. The network 192.168.0.0 statement is missing mask 0.0.255.255.C. The network 10.0.0.0 statement is missing mask 255 .0.0.0.D. The network 10.0.0.0 statement is missing mask 0.255.255.255.E. The auto - summary configuration is missing.
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What is a sub-select statement?A．a select statement that selects a subset of fields in a tableB．a select statement that returns a subset of the data in a tableC．a select statement that appears within another select statementD．a select statement that returns a subset of the constraints on a field
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A seaman dies during a voyage. What is NOT required to be entered into the Official Log?A.Statement that the Master has taken custody of the deceased's MMD and passportB.An inventory of the money and propertyC.Statement of the wages dueD.Statement as to the total deductions to be made from the wages
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You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What does the statement generate？（）A、A text copy of the control file.B、A binary copy of the control file.C、A file containing a SQL statement which will re-create the database.D、A file containing a SQL statement which will re-create the control file.
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Evaluate the SQL statement: SELECT LPAD(salary,10,*) FROM EMP WHERE EMP_ID = 1001; If the employee with the EMP_ID 1001 has a salary of 17000, what is displayed?（）A、17000.00B、17000*****C、****170.00D、**17000.00E、an error statement
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The Database Resource Manager is not currently active in your database that is up and running. You created a resource plan named DAY_PLAN that contains two sub-plans named MANAGERS_PLAN and CLERKS_PLAN. You decided to activate DAY_PLAN by executing the following statement： SQLALTER SYSTEM SET RESOURCE_MANAGER_PLAN = ’managers_plan’； What will be the outcome of this statement？（） A、 The statement will deactivate DAY_PLAN.B、 The statement will activate DAY_PLAN as the top plan.C、 The statement will activate MANAGERS_PLAN as the top plan.D、 The statement will return an error because MANAGERS_PLAN is not the top plan.
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You issued the following statement： SQL ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What will be the result of issuing the statement？（） A、 The control file will be multiplexed.B、 The control file will be recreated.C、The script containing the CREATE CONTROLFILE statement will be created.D、 The binary backup of the control file will be created.
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Evaluate the SQL statement: SELECT LPAD (salary,10,*) FROM EMP WHERE EMP _ ID = 1001; If the employee with the EMP_ID 1001 has a salary of 17000, what is displayed?（）A、17000.00B、17000*****C、****170.00D、**17000.00E、an error statement
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You are maintaining your database in Oracle10g. You want to store the information about the backup of the database in the control file. You issue the following statement： SQLALTER SYSTEM SET CONTROL_FILE_RECORD_KEEP_TIME=400； What is the outcome of this statement？ （）A、 The statement will not execute successfully.B、 The statement will execute successfully， and the backups metadata will be maintained in the control file for 400 daysC、 The statement will execute successfully， and the backups metadata will be maintained in the recovery catalog for 400 days.D、 Backups will be deleted from the media after 400 days.
考题
单选题The Database Resource Manager is not currently active in your database that is up and running. You created a resource plan named DAY_PLAN that contains two sub-plans named MANAGERS_PLAN and CLERKS_PLAN. You decided to activate DAY_PLAN by executing the following statement： SQLALTER SYSTEM SET RESOURCE_MANAGER_PLAN = ’managers_plan’； What will be the outcome of this statement？（）A
The statement will deactivate DAY_PLAN.B
The statement will activate DAY_PLAN as the top plan.C
The statement will activate MANAGERS_PLAN as the top plan.D
The statement will return an error because MANAGERS_PLAN is not the top plan.
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单选题Your Oracle10g database contains a table with a TIMESTAMP TO LOCAL TIME ZONE column. There are about two hundred column values for the column. You issued the following statement： SQL ALTER DATABASE SET TIME_ZONE =’Europe/London’； What will be the result of issuing the above statement？（）A
The statement will be executed successfully， and a new time zone will be set for the database.B
The statement will be executed successfully， but a new time zone will not be set for the database.C
The statement will not be executed successfully because the SET TIME_ZONE clause can be used only with the ALTER SESSION statement.D
The statement will not be executed successfully because the ALTER DATABASE SET TIME_ZONE statement is used only when the database contains no table with the TIMESTAMP TO LOCAL TIME ZONE column.
考题
单选题You are maintaining your database in Oracle10g. You want to store the information about the backup of the database in the control file. You issue the following statement： SQLALTER SYSTEM SET CONTROL_FILE_RECORD_KEEP_TIME=400； What is the outcome of this statement？ （）A
The statement will not execute successfully.B
The statement will execute successfully， and the backups metadata will be maintained in the control file for 400 daysC
The statement will execute successfully， and the backups metadata will be maintained in the recovery catalog for 400 days.D
Backups will be deleted from the media after 400 days.
考题
单选题Evaluate the SQL statement: SELECT LPAD(salary,10,*) FROM EMP WHERE EMP_ID = 1001; If the employee with the EMP_ID 1001 has a salary of 17000, what is displayed?（）A
17000.00B
17000*****C
****170.00D
**17000.00E
an error statement
考题
单选题You issued the following statement： SQL ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What will be the result of issuing the statement？（）A
The control file will be multiplexed.B
The control file will be recreated.C
The script containing the CREATE CONTROLFILE statement will be created.D
The binary backup of the control file will be created.
考题
单选题Evaluate the SQL statement: SELECT LPAD(salary,10,*) FROM EMP WHERE EMP_ID = 1001; If the employee with the EMP_ID 1001 has a salary of 17000, what is displayed?（）A
17000.00B
17000*****C
****170.00D
**17000.00E
an error statement
考题
单选题Evaluate the SQL statement: SELECT ROUND(TRUNC(MOD(1600,10),-1),2) FROM dual; What will be displayed?（）A
0B
1C
0.00D
An error statement
考题
单选题You issue this statement：ALTER DATABASE BACKUP CONTROLFILE TO TRACE； What does the statement generate？（）A
A text copy of the control file.B
A binary copy of the control file.C
A file containing a SQL statement which will re-create the database.D
A file containing a SQL statement which will re-create the control file.
考题
单选题Evaluate the SQL statement: SELECT LPAD (salary,10,*) FROM EMP WHERE EMP _ ID = 1001; If the employee with the EMP_ID 1001 has a salary of 17000, what is displayed?（）A
17000.00B
17000*****C
****170.00D
**17000.00E
an error statement
考题
单选题Examine the statement： DROP TABLESPACE IND2 INCLUDING CONTENTS AND DATAFILES； What is the result of the statement？（）A
AB
BC
CD
D
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问答题At present, people obtain most of their information from news reporting. However, some people think that we should not believe what journalists report. What is your opinion? What qualities do you think a journalist should have? Write a composition of about 400 words on this topic. In the first part of your writing you should present your thesis statement, and in the second part you should support the thesis statement with appropriate details. In the last part you should bring what you have written to a natural conclusion or a summary. Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the above instructions may result in a loss of marks.
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