IT Questions and Answers :)

Thursday, July 9, 2020

On an IBM i 7 server, which command do you use to work with active jobs?

On an IBM i 7 server, which command do you use to work with active jobs?

  • WRKSYSSTS
  • WRKSBS
  • WRKACTJOB
  • WRKSPLF 
On an IBM i 7 server, which command do you use to work with active jobs?

 EXPLANATION

The Work with Active Jobs (WRKACTJOB) command allows you to work with performance and status information for the active jobs in the system.
The sequence of jobs can be changed with the Sequence (SEQ) parameter or through operations on the display. Other parameters allow the selection of jobs to be shown on the display. The selection parameters can also be changed by operations on the display.

SOURCE

http://www.ibm.com/support/knowledgecenter/ssw_ibm_i_73/cl/wrkactjob.htm
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Tuesday, July 7, 2020

Which Microsoft License Key allows you to use it multiple times on different machines.

Which Microsoft License Key allows you to use it multiple times on different machines.

  • VLSC
  • ABS
  • VLC
  • MAK 
 Which Microsoft License Key allows you to use it multiple times on different machines.

EXPLANATION

MAK (Multiple Activation Key) allows you to use the same key on multiple installations of Windows at a time.
VLC (Video Lan Client) is a powerful media player.
ABS (Antilock brake system or Absolute value, depending on which of the two kinds of people you are) is just a throw away answer.
VLSC (Volume Licensing Center) is Microsoft's site that people use to manage and retrieve their licenses and Software.

SOURCE

https://technet.microsoft.com/en-us/library/ff793435.aspx
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Monday, July 6, 2020

By default, each ESXi 6.x host is provisioned with a certificate from which root certificate authority?

By default, each ESXi 6.x host is provisioned with a certificate from which root certificate authority?

  • Verisign Certificate Authority
  • DigiCert Certificate Authority
  • VMware Certificate Authority
  • RedHat Certificate Authority 
By default, each ESXi 6.x host is provisioned with a certificate from which root certificate authority?

EXPLANATION

In vSphere 6.0 and later, the VMware Certificate Authority (VMCA) provisions your environment with certificates.
This includes machine SSL certificates for secure connections, solution user certificates for authentication to vCenter Single Sign-On, and certificates for ESX hosts that are added to vCenter Server.

SOURCE

https://pubs.vmware.com/vsphere-60/index.jsp
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Friday, June 26, 2020

For sendmail on Linux, which of these commands is used to rebuild the /etc/aliases database?

For sendmail on Linux, which of these commands is used to rebuild the /etc/aliases database?

  • rebuildaliases
  • newaliases
  • aliasesnew
  • regenaliases 
For sendmail on Linux, which of these commands is used to rebuild the /etc/aliases database?


EXPLANATION

newaliases command rebuilds /etc/aliases. It must be run each time this file is changed in order for the change to take effect.
Newaliases is identical to ''sendmail -bi''.

SOURCE

https://linux.die.net/man/1/newaliases.sendmail
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Wednesday, June 24, 2020

What is Optical Character Recognition (OCR)?

What is Optical Character Recognition (OCR)?

  • Social networking site
  • Personal computer operating system
  • Most appropriate software for calculating in computer
  • Computer software designed to translate image of type written text.
What is Optical Character Recognition (OCR)?

EXPLANATION

 OCR (Optical Character Recognition) is a computer software designed to translate image of type written text.

SOURCE

https://en.wikipedia.org/wiki/Optical_character_recognition
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