Oracle 1Z0-052 Past Important Questions with Answers and Explanation Shared By Braindumo2go

QUESTION 1
Which two statements correctly describe the relation between a data file and the logical database structures? (Choose two.)

A.    An extent cannot spread across data files.
B.    A segment cannot spread across data files.
C.    A data file can belong to only one tablespace.
D.    A data file can have only one segment created in it.
E.    A data block can spread across multiple data files as it can consist of multiple operating system (OS)
blocks.

Answer: AC

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Vmware VCP550 Exam Official Guide Shared By Braindump2go 100% Passing Exam

QUESTION 1
Which two statements below could explain why the vSphere Client is reporting N/A for hyperthreading? (Choose two.)
 clip_image002_thumb_thumb_thumb_thumb_thumb

A.    The physical CPUs in the host do not support hyperthreading.
B.    Hyperthreading is disabled in the host’s BIOS.
C.    The physical CPUs in the host are not multi-core.
D.     The number of CPUs meets or exceeds the maximum without hyperthreading.

Answer: AB

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QUESTION 1
The VMware vCenter Server Appliance has been deployed using default settings.
What user name and password are used to log in to the administration interface to configure the appliance?

A.    The initial user name and password must be supplied on the first login attempt.
B.    The initial user name and password must be supplied during deployment.
C.    The initial user name is root and the password is blank.
D.    The initial user name is root and the password is vmware.

Answer: D

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QUESTION 1
A user has a perimeter firewall and up-to-date antivirus software. The user is asking what else they can do to improve their security. Which of the following will have the MOST impact on network security? (Select TWO).

A.    Install additional antivirus software
B.    Disable screen savers
C.    Conduct a daily security audit
D.    Assign security rights based on job roles
E.    Use strong passwords

Answer: DE
Explanation:
To improve security, assign security rights based on job roles. You need to give least amount of privilege to users so that they can do their jobs without having access to resources that have nothing to do with their job roles.

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QUESTION 1
Small form factor PCs that utilize full-height PCI and PCI-Express cards need which of the following supplementary items to allow for proper installation?

A.    FireWire cards
B.    Riser cards
C.    Storage cards
D.    Network cards

Answer: B

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Braindump2go Oracle 1Z0-051 Practice Tests Are Best Preparation Materials To Pass Oracle 1Z0-051 Actual Exam

QUESTION 1
Evaluate the following CREATE TABLE commands:
CREATE TABLE orders
(ord_no NUMBER(2) CONSTRAINT ord_pk PRIMARY KEY,
ord_date DATE,
cust_id NUMBER(4));
CREATE TABLE ord_items
(ord_no NUMBER(2),
item_no NUMBER(3),
qty NUMBER(3) CHECK (qty BETWEEN 100 AND 200),
expiry_date date CHECK (expiry_date > SYSDATE),
CONSTRAINT it_pk PRIMARY KEY (ord_no,item_no),
CONSTRAINT ord_fk FOREIGN KEY(ord_no) REFERENCES orders(ord_no));
The above command fails when executed. What could be the reason?

A.    SYSDATE cannot be used with the CHECK constraint.
B.    The BETWEEN clause cannot be used for the CHECK constraint.
C.    The CHECK constraint cannot be placed on columns having the DATE data type.
D.    ORD_NO and ITEM_NO cannot be used as a composite primary key because ORD_NO is also
the FOREIGN KEY.

Answer: A
Explanation:
CHECK Constraint
The CHECK constraint defines a condition that each row must satisfy. The condition can use the same constructs as the query conditions, with the following exceptions:
References to the CURRVAL, NEXTVAL, LEVEL, and ROWNUM pseudocolumns Calls to SYSDATE, UID, USER, and USERENV functions
Queries that refer to other values in other rows
A single column can have multiple CHECK constraints that refer to the column in its definition. There is no limit to the number of CHECK constraints that you can define on a column. CHECK constraints can be defined at the column level or table level.
CREATE TABLE employees
(…
salary NUMBER(8,2) CONSTRAINT emp_salary_min
CHECK (salary > 0),

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QUESTION 1
An administrator has a network subnet dedicated to a group of users. Due to concerns regarding data and network security, the administrator desires to provide network access for this group only. Which of the following would BEST address this desire?

A.    Install a proxy server between the users’ computers and the switch to filter inbound network traffic.
B.    Block commonly used ports and forward them to higher and unused port numbers.
C.    Configure the switch to allow only traffic from computers based upon their physical address.
D.    Install host-based intrusion detection software to monitor incoming DHCP Discover requests.

Answer: C

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QUESTION 1
Users must be able to connect remotely from their own mobile devices.
What should the architect consider to increase the security of the current authentication solution?

A.    Adding a second authentication factor
B.    Placing domain controllers in the DMZ for remote users
C.    Shortening the Active Directory password expiration period
D.    Populating the RDS user profile path in the Active Directory user accounts

Answer: D

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