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|The DBA can set the registry variable DB2_HASH_JOIN on or off because:
A. hash joins may require more resources to run.
B. hash joins are not used unless outer joins are requested.
C. If hash joins are enabled, no other join method can be used.
D. Hash joins are only needed when the tables are portioned using hash keys.
|A database administrator has supplied the following information: ?Protocol: TCP/IP ?Port
Number: 446 ?Host Name: ZEUS ?Database Name: SAMPLE ?Database Server Platform: OS/400
Which are the appropriate commands to set up the ability to connect to the database?
A.CATALOG TCPIP NODE zeus REMOTE zeus SERVER 446 OSTYPE os400 DATABASE sample;
B.CATALOG TCPIP DATABASE sample REMOTE zeus SERVER 446 OSTYPE os400; CATALOG DATABASE dcssam AS sample AT NODE zeus AUTHENTICATION dcs;
C.CATALOG TCPIP NODE zeus REMOTE zeus SERVER 446 OSTYPE os400; CATALOG DCS DB dcssam AS sample; CATALOG DATABASE dcssam AS sample AT NODE zeus AUTHENTICATION dcs;
D.CATALOG TCPIP NODE sample REMOTE sample SERVER 446 OSTYPE os400; CATALOG DCS DB sample AS dcssam; CATALOG DATABASE dcssam AS sample AT NODE zeus AUTHENTICATION dcs;
|In which two situations would you use a round robin fragmentation strategy?
A. When all fragments must be second
B. To create uneven data distributions
C. When queries perform sequential scans and you have little information about the data being stored.
D. When tables are accessed with a high degree of selectivity
|An iSeries prospect is deciding between the proposed eServer i5 520 and a used i270 running V5R2. Which of the following considerations should impact the customer's decision?
A. IBM will not transfer software to a used machine.
B. The i270 uses SPD cards that will not be supported after V5R3.
C. The customer must pay the Currency Access Fee with Software Maintenance.
D. IBM requires an inspection fee for a Hardware Service contract for used equipment.
|An iSeries Linux partition has been created without a physical network card assigned. When
signed on to OS/400, users are able to use FTP and Telnet to the Linux partition. However, attempts to establish a terminal connection to Linux from their PCs fail. Which of the following is the most likely cause of the problem?
A Datagram forwarding was not enabled in OS/400 TCP/IP.
B The Linux configuration did not have proxy ARP enabled.
C The Linux Ethernet adapter was not enabled.
D The Linux feature code was not ordered.
|If there is a lock on an adjacent key, an insert will fail if the isolation level is set to what?
A. committed read
B. repeatable read
C. share read
D. indexed read
|Given the following SQL statement: GRANT REFERENCES ON TABLE tab1 TO USER usera
Which of the following describes what USERA is allowed to do?
A.Create a read?only view using TAB1. B.Alter TAB1 to add a check constraint.
C.Define a primary key or unique constraint on TAB1.
D.Define a dependent table where TAB1 is the parent.
|A customer has ordered a 10 module XIV System. How many interface modules are active in this configuration?
|A new Linux IOA has been added into a system, but it is not reporting into the hyper visor as
viewed through the primary partition display I/O resources screen. Which of the following is the most likely cause of the problem?
A The IOA is incorrectly installed.
B The bus is not allocated to the Linux partition.
C Empty slots on a shared bus are defaulted to unallocated, so it will not report in until the slot
is allocated to a running partition.
D For IOAs to report in, the IOA must first be allocated to the primary partition, then the hyper visor can register them as a resource.
|Where is fragment information stored?
A. in the system catalog tables
B. in the physical logs
C. in the reserved pages
D. in the first page of the database tblspace
|Which of the following is defined on the dependent table to implement a referential constraint?
|On the XIV System, what is the approximate rebuild time for a 1 TB drive that is 50% utilized?
A. 5 minutes
B. 15 minutes
C. 30 minutes
D. 120 minutes
|Which of the following occurs if an application ends abnormally during an active unit of work?
A.The unit of work remains active
B.The unit of work is rolled back
C.The unit of work moves to CHECK_PENDING
D.The unit of work moves to pending state
|Given the following table definition: COUNTRY c1 INTEGER name CHAR(20) Which of the following SQL statements will remove all rows from the table named COUNTRY?
A.DELETE FROM country
B.DELETE * FROM country C.DELETE FROM TABLE country
D.DELETE FROM country WHERE c1 IS NOT NULL
|Which of the following tools can be used to identify inefficient SQL statements without executing them?
|Which of the following commands will allow a Linux on iSeries administrator to quickly scan backup tapes for files saved via a tar command on a Linux system?
A The Linux command mt
B The Linux command cpio
C The OS/400 command RST option(*print)
D The OS/400 command DSPTAP option(*savrst)
|When defining a volume on a thin-provisioned pool on an XIV System, the size of the volume is limited by
A. the hard capacity of the volume
B. the 2 TB maximum volume size on XIV
C. the hard capacity of the storage pool
D. the soft capacity of the storage pool
|A prospect has multiple Intel servers installed and would like to replace them with new application software on an iSeries. How can the disk requirements be determined?
A. Add a growth factor to the total amount of disk on all existing processors.
B. Complete a sizing based on the application volumes, number of users, and file requirements.
C. Use an equal number of disk arms because response time is dependent on the number
of disk arms.
D. Check on each server for unused disk space and propose the amount of disk currently being actively used.
|Given the following table definition and SQL statement
CREAT TABLE company
(company_id INTEGER company_name VARCHAR (40) amount_due Decimal (15,2) SELECT company_id
WHERE amount_due =
SELECT MAX (amount_due) FROM company)
Which index definition would provide the best performance for the SQL statement?
A. CREATE INDEX i1 ON company (amount_due ASC)
B. CREATE INDEX i1 ON company (amount_due DESC)
C. CREATE INDEX i1 ON company (company_id,amount_due)
D. CREATE INDEX i1 ON company
(amount_due DESC) INCLUDE(company_id)
|Certkiller .com has asked for a proposal to combine several computing groups within their company. They have an i810 that is fully utilized, a small HP/UX system with
an engineering application, and almost 40 Microsoft Windows servers with very low utilization. They also plan to add a Linux firewall. Which of the following will establish the requirements?
A. Use Workload Estimator to establish the requirements for the i5/OS, AIX, Linux, and
B. Use Pilot Predict to model the existing and proposed workloads. Factor in the mutually agreed growth factor.
C. Propose an iSeries running LPAR with i5/OS, Linux, AIX, and IXS to handle the combined and proposed workloads.
D. Propose a study to review the applications, processing, storage, communications, and other considerations for all existing and proposed systems.
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Latest 20 Questions
Payment of time- barred debt is:
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal