Which is not an advantage of Windows 10 Pro over Windows 10 Home

Which is not an advantage of Windows 10 Pro over Windows 10 Home

• Domain Join Services
• BitLocker Drive Encryption
• Remote Access Services
• Windows Hello face & iris recognition 

EXPLANATION

Although Windows 10 Home is powerful in its own right, it definitely has some significant enterprise limitations the eliminate it from serious business contention.

SOURCE

https://www.microsoft.com/en-us/windows/compare

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When installing Oracle Real Application Clusters on Linux/Unix, what is the default port number and protocol?

When installing Oracle Real Application Clusters on Linux/Unix, what is the default port number and protocol?

• 11000/TCP
• 61000/TCP
• Dynamic/UDP
• 1521/TCP 

 

EXPLANATION

Oracle Real Application Clusters (UNIX) uses a dynamic UDP port number that is assigned automatically during installation.
Oracle Real Application Clusters (Cluster Interconnect: Windows only) uses port 11000/TCP
Oracle Real Application Clusters (Local Host: Windows only) uses port 61000/TCP
Oracle SQL*Net Listener uses port 1521/TCP for Oracle client connections to the database over Oracle's SQL*Net protocol.

SOURCE

https://docs.oracle.com/en/database/oracle/oracle-database/12.2/rilin/port-numbers-and-protocols-of-oracle-components.html#GUID-D168F70C-BECE-4F9A-B616-D9103A35F1FF

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What is the minimum number of passes in a DOD-Level Data Wipe?

What is the minimum number of passes in a DOD-Level Data Wipe?

• Three
• Five
• Six
• Two 

EXPLANATION

How Does a DOD-Level Data Wipe Work? Three Pass Overwrite
A three pass overwrite means that the data is overwritten with a set of characters three times. There is a verification pass as well to check that all the data on the drive has been overwritten.
There is a standard process for the three pass overwrite: a single pass with a “0” character, followed by a single pass with a “1” character, and a final pass with a random character.
Seven Pass Overwrite
Like the three pass overwrite, the seven pass pattern overwrites the data many times with a specific pattern of characters.
The standard seven pass process is: a “0” character pass, a “1” character pass, random character pass, a second random character pass, a “0” character pass, a “1” character pass, and a random character pass before the final verification pass.

SOURCE

http://www.reliant-technology.com/storage_blog/dod-data-wipe-standards/

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Which of the following is a step used to harden a database application?

Which of the following is a step used to harden a database application?

Disabling default accounts and changing passwords

Enabling all services

Disabling SQL

Disabling stored procedures 

EXPLANATION

Application hardening, which includes hardening database applications, consists of disabling default accounts and changing default passwords.
Application hardening includes disabling unnecessary services, not enabling all of them. You shouldn't disable SQL in a database application. Stored procedures increase performance, which can help prevent SQL injection attacks and shouldn't be disabled.

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What port does SMTP traffic use by default?

What port does SMTP traffic use by default?

25

21

443

80 

EXPLANATION

SMTP (Simple Mail Transfer Protocol) traffic flows across TCP port 25. Some ISPs block end users from sending via this port in an effort to reduce spam and it seems to be working.
 

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