IT Questions and Answers :)

Monday, July 12, 2021

What is the maximum user mailbox size for an Office 365 E3 license?

What is the maximum user mailbox size for an Office 365 E3 license?

  • 50 GB
  • 100 GB
  • 1 TB
  • Unlimited 

What is the maximum user mailbox size for an Office 365 E3 license?


EXPLANATION

Simple question, something I learned recently as I was solving an issue with a user's mailbox.

User mailbox storage limit for an E3 license is 100 GB, it's archive limit is unlimited and its address list limit is 1000.

SOURCE

https://docs.microsoft.com/en-us/office365/servicedescriptions/exchange-online-service-description/exchange-online-limits
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What is the minimum PowerShell version that supports Desired State Configuration?

What is the minimum PowerShell version that supports Desired State Configuration?

  • 2.0
  • 4.0
  • 5.0
  • 3.0       

What is the minimum PowerShell version that supports Desired State Configuration?


EXPLANATION

Desired State Configuration (DSC) was first included in Powershell Version 4 (a part of Windows Management Framework (WMF) 4.0) and further improved in later versions. 

DSC enables you to declare your computer configuration in scripts and then apply that configuration to computers programmatically. The computers are configured to the desired state and remain in the desired state. 

The configuration can be applied to one or many computers, making sure they're always compliant with your requirements.

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Friday, July 9, 2021

If you enter the Linux command pwd, what happens?

 If you enter the Linux command pwd, what happens?

  • You display your current working directory.
  • You display a list of users logged into the system.
  • You interactively change your system password.
  • You send a file to the attached printer.               

If you enter the Linux command pwd, what happens?


EXPLANATION

The pwd is an acronym for print working directory. The pwd command is considered as one of the most frequently used commands on Linux, AIX, HP-UX, *BSD, and other UNIX like operating systems along with the ls, and cd commands.

https://www.cyberciti.biz/faq/pwd-linux-unix-command-examples/

SOURCE

https://www.cyberciti.biz/faq/pwd-linux-unix-command-examples/
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Thursday, July 8, 2021

The traditional sector size for a HDD is 512 bytes. What is the first generation Advanced Format sector size?

The traditional sector size for a HDD is 512 bytes. What is the first generation Advanced Format sector size?

  • 4096 bytes
  • 1024 bytes
  • 2048 bytes
  • 8192 bytes         

The traditional sector size for a HDD is 512 bytes. What is the first generation Advanced Format sector size?

EXPLANATION

Advanced Format is a generic term pertaining to any disk sector format used to store data on magnetic disks in hard disk drives (HDDs) that exceeds 512 to 528 bytes per sector, such as the 4096-byte (4 KiB) sectors of the first-generation Advanced Format hard disk drives.      
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Which connector supports high frequencies required for applications beyond 10 Gigabit Ethernet?

Which connector supports high frequencies required for applications beyond 10 Gigabit Ethernet?

  • RJ45
  • GG100
  • GG45
  • RJ11     

Which connector supports high frequencies required for applications beyond 10 Gigabit Ethernet?


EXPLANATION

The GG45 (where GG stands for GigaGate, and 45 is to denote the backward compatibility with the 8P8C modular connector – often colloquially called RJ45) is a connector for high-speed Category 7 cable (generally known as Cat 7) LAN cabling developed by Nexans.

The cabling system was standardized in 2001 as IEC 60603-7-7, and then selected as a worldwide Category 7 cabling standard within ISO-11801.

GG45 connectors provide backwards compatibility for standard 8P8C (8P8C) connectors in a Category 6 cable interface (mode 1), where eight conductors are used for Cat 6 (100/250 MHz) operation.

In addition, GG45 has four additional contacts (two in each extreme corner) that interface with new high-speed Cat 7 600 MHz and Cat 7a 1000 MHz networks. Two twisted pairs are connected to these additional contacts, while the other two twisted pairs remain connected to the original 8P8C connector's most distant pins: 1 and 2; and 7 and 8. A Category 6 or 6A plug uses the original contact positions, but a Category 7 or 7A plug instead uses the contacts located in the four corners and has a protrusion that activates a switch within the jack for the alternative contact positions. This reduces crosstalk within the connector that higher speed data is sensitive to. The key advantage is that the GG45 interface therefore has plenty of headroom, combined with the ability to migrate to higher speed service by upgrading to Category 7A patch cords that activate the switch in the jack.[1]


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