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 

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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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 

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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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.

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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What is the name for Microsoft's line of ERP and CRM solutions?

What is the name for Microsoft's line of ERP and CRM solutions?

• Exchange
• Office
• SharePoint
• Dynamics

EXPLANATION

The Microsoft Dynamics line of products includes a range of ERP & CRM solutions for all sizes of businesses, including GP, NAV, SL and C5, each with their own advantages for different environments.

SOURCE

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

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What is the maximum amount of physical memory a host running Microsoft Hyper-V 2016 can support?

What is the maximum amount of physical memory a host running Microsoft Hyper-V 2016 can support?

• Up to 24 TB per physical server
• Up to 8 TB per virtual machine
• Up to 4TB per physical server
• Up to 6 TB per virtual server 

 

EXPLANATION

Windows Server 2016 increased the scalability of physical RAM per host for Hyper-V from 4TB (Hyper-V 2012) to 24TB per host.
https://blogs.technet.microsoft.com/windowsserver/2016/09/28/windows-server-2016-hyper-v-large-scale...

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