Given that tables T1 and T2 contain the following rows: Table T1: C1 C2 1 4 1 3 1 2 Table T2: C1 C2 1 1 1 2 1 3 Which of the following queries will return only those rows that exist in both T1 and T2?（）
A . SELECT * FROM t1 UNION SELECT * FROM t2
B . SELECT * FROM t1 UNION DISTINCT SELECT * FROM t2
C . SELECT * FROM t1 INTERSECT SELECT * FROM t2
D . SELECT * FROM t1 WHERE (c1,c2)= (SELECT c1,c2 FROM t2)
-
Given that the current directory is empty， and that the user has read and write privileges to the currentdirectory， and the following：
https://assets.asklib.com/images/image2/2018080115251951662.png
Which statement is true？（）
A . Compilation fails.
B . Nothing is added to the file system.
C . Only a new file is created on the file system.
D . Only a new directory is created on the file system.
E . Both a new file and a new directory are created on the file system.
-
Given that the current directory is empty, and that the user has read and write privileges to the current, and the following:
https://assets.asklib.com/images/image2/2018080117440516365.jpg
Which statement is true?（）
A . Compilation fails.
B . Nothing is added to the file system.
C . Only a new file is created on the file system.
D . Only a new directory is created on the file system.
E . Both a new file and a new directory are created on the file system.
-
A developer calls and reports that he accidentally dropped an important lookup table from a production database. He needs the table to be recovered. What action would you take？（）
A . Initiate an incomplete recovery operation using RMAN.
B . Copy the table from a development database.
C . Advise the user to rekey the data.
D . Perform a Flashback Drop operation.
E . Perform a Flashback Recovery operation.
-
What Cisco IOS feature examines packets received to make sure that the source address and interfaceare in the routing table and matck the interface that the packet was received on？（）
A . MPLS Traffic Engineering
B . Dynamic access-lists
C . Authentication
D . Receive ACL
E . Unicast RPF
-
Given that t1 is a reference to a live thread, which is true?（）
A . The Thread.sleep() method can take t1 as an argument.
B . The Object.notify() method can take t1 as an argument.
C . The Thread.yield() method can take t1 as an argument.
D . The Thread.setPriority() method can take t1 as an argument.
E . The Object.notify() method arbitrarily chooses which thread to notify.
-
Given that login.getName（） returns a java.lang.String value and given the JSP code： Welcome Which is equivalent？（）
A . A. Welcome <% out.print（login.getName（））； %>
B . Welcome <% writer.print（login.getName（））； %>
C . Welcome <% response.out.print（login.getName（））； %>
D . Welcome <% response.writer.print（login.getName（））； %>
E . Welcome <% response.getOutputStream（）.write（login.getName（））； %>%>
-
Which of the following scenarios will ensure that the value of the NEXT_STEPNO column in a given row of table TABLEX exists as a value of column STEPNO (usually in another row) in the same table?（）
A . Define a UNIQUE constraint on the columns NEXT_STEPNO and STEPNO.
B . Define a CHECK constraint on the NEXT_STEPNO column (NEXT_STEPNO = STEPNO).
C . Define column STEPNO as the primary key of TABLEX and column NEXT_STEPNO as a foreign key referencing column STEPNO of the same table.
D . Define column NEXT_STEPNO as the primary key of TABLEX and column STEPNO as a foreign key referencing column NEXT_STEPNO in the same table.
-
Given that b and c refer to instances of wrapper classes， which two statements are true？（）
A . b.equals（b） returns true.
B . b.equals（c） returns the same result as b == c.
C . b.eqials（c） can return false even if c.equals（b） returns true.
D . b.equals（c） throws an exception if b and c are different wrapper types.
E . b.equals（c） returns false if the type of wrapper objects being compared are different.
-
A user needs to create a trigger that will update table T2 whenever a row is added to table T1. Assuming the user has all appropriate privileges for table T2, which privilege is required on table T1 to create the trigger?（）
A . REFERENCES
B . SELECT
C . UPDATE
D . ALTER
-
Refer to the exhibit. Routers A and B are directly connected. Given the configuration, how many EIGRP routes will router B see in its routing table?（）https://assets.asklib.com/images/image2/2018072408543528907.jpg
A . 0
B . 1
C . 2
D . 3
E . 4
-
Assuming that the serializeBanana（） and the deserializeBanana（） methods will correctly use Javaserialization and given：
https://assets.asklib.com/images/image2/201808011022083040.png
What is the result？（）
A . restore 400
B . restore 403
C . restore 453
D . Compilation fails.
E . An exception is thrown at runtime.
-
ENCRYPT_TS is an encrypted tablespace that contains tables with data. Which statement is true regarding the effect of queries and data manipulation language （DML） statements on the encrypted data in the tables？（）
A . The data is decrypted during SORT and JOIN operations.
B . The data remains encrypted when it is read into memory.
C . The data remains encrypted when it is stored in the redo logs.
D . The data remains encrypted in the UNDO tablespace provided that the UNDO tablespace was created with the encryption option enabled.
-
Given that the current directory is empty， and that the user has read and write privileges to the current directory， and the following：
https://assets.asklib.com/images/image2/2018080115270239176.jpg
Which statement is true？（）
A . Compilation fails.
B . Nothing is added to the file system.
C . Only a new file is created on the file system.
D . Only a new directory is created on the file system.
E . Both a new file and a new directory are created on the file system.
-
A signal of one prolonged，one short，one prolonged，and one short blast，in that order is given by a vessel（）.
A . engaged on pilotage duty
B . in distress
C . at anchor
D . being overtaken in a narrow channel
-
Given that the current directory is empty， and that the user has read and write permissions， and thefollowing：
https://assets.asklib.com/images/image2/2018080110260954280.png
Which statement is true？（）
A . Compilation fails.
B . The file system has a new empty directory named dir.
C . The file system has a new empty directory named newDir.
D . The file system has a directory named dir， containing a file f1.txt.
E . The file system has a directory named newDir， containing a file f1.txt.
-
Given that: Gadget has-a Sprocket and Gadget has-a Spring and Gadget is-a Widget and Widget has-a Sprocket Which two code fragments represent these relationships? （）
A .https://assets.asklib.com/images/image2/2018080116372242416.jpg
B .https://assets.asklib.com/images/image2/2018080116372748968.jpg
C .https://assets.asklib.com/images/image2/2018080116373495076.jpg
D .https://assets.asklib.com/images/image2/2018080116373950755.jpg
E .https://assets.asklib.com/images/image2/2018080116374889300.jpg
F .https://assets.asklib.com/images/image2/2018080116375347013.jpg
-
Refer to the exhibit. Routers A and B are directly connected. Given the configuration， how many EIGRP routes will router B see in its routing table？（）https://assets.asklib.com/images/image2/2018072408461619050.jpg
A . 0
B . 1
C . 2
D . 3
E . 4
-
Assuming that the serializeBanana() and the deserializeBanana() methods will correctly use Java serialization and given：
https://assets.asklib.com/images/image2/2018080115162693135.jpg
What is the result？（）
A . restore 400
B . restore 403
C . restore 453
D . Compilation fails.
E . An exception is thrown at runtime.
-
Given that the current directory is empty， and that the user has read and write permissions， and the following：
https://assets.asklib.com/images/image2/2018080115181895474.jpg
Which statement is true？（）
A . Compilation fails.
B . The file system has a new empty directory named dir.
C . The file system has a new empty directory named newDir.
D . The file system has a directory named dir， containing a file f1.txt.
E . The file system has a directory named newDir， containing a file f1.txt.
-
Given that tables T1 and T2 contain the following rows: Table T1: C1 C2 5 4 5 2 5 5 Table T2: C1 C2 5 1 5 2 5 3 Which of the following queries will return only those rows that exist in T1 and not in T2?（）
A . SELECT * FROM T1 MINUS SELECT * FROM T2
B . SELECT * FROM T1 EXCEPT SELECT * FROM T2
C . SELECT * FROM T2 UNION EXCEPT SELECT * FROM T1
D . SELECT * FROM T1 NOT EXISTS SELECT * FROM T2
-
The rule of spelling names is very simple and easy to remember: that is to ______ the first letter of given name, ______ the first letter of family name and put a space between the given name and the family name.
-
听力原文：M: You think young people are given too much freedom nowadays, and that, as a result, they lost respect for their parents and their elders generally.
W: I don't think so. My parents never interfered with my plans too much. They advised me but never forced me to do anything I didn't want to do. I was allowed to take up the career I wanted. I think I respect and love them more for this.
M: Are you quite independent of them now？
W: Yes. As soon as I left high school and started my college studies as an elementary school teacher, I became independent financially. I have a government grant which is enough for my keep. But I still stay with them a lot as you know.
M: You seem very close to your parents.
W: I am. I know that many young people today say they have nothing in common with their parents. But I'm rather lucky because I get on very well with mine. What about you？
M: Well, we value family life very much in my country. I'm very fond of my family, but I don't always get on very well with them. They try to control me too much.
W: But they allowed you to come to study in England on your own.
M: Yes, but only after a lot of persuasion. Your parents treat you as an adult. Mine treat me as a child.
W: As I said, I'm lucky. Some English parents are like yours. They interfere too much and they're out of sympathy with our generation.
(39)
A．They are dominating.
B．They are not respectable.
C．They are persuasive.
D．They are very helpful.
-
听力原文： I just wanted to say well done for getting that contract. You did a great job and we know it wasn’t easy. What would you say to a celebratory meal？ I know a very good restaurant near here. I’m sure we could get a table for lunch if you’re free.
—You will hear five recordings.
—For each recording, decide what the main reason is for the phone call.
—Write one letter (A—H) next to the number of the recording.
—Do not use any letter more than once.
—After you have listened once, replay each recording.
A booking a table
B cancelling a meeting
C placing an order
D selling something
E offering a lift
F congratulating someone
G checking an address
H making an appointment
-
For every course that he follows a student is given a grade, which is recorded, and th
For every course that he follows a student is given a grade, which is recorded, and the record is available for the student to show to prospective employers.
