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Deanna
Community Manager
Community Manager
  • 531K Views

Questions about getting ready for your Red Hat remote exam?

This thread is dedicated to connect you with Red Hat subject matter experts who can help answer your questions regarding Red Hat remote exams. Please see the following resources for Red Hat Remote Exams below:

For questions on scheduling or redeeming your exams,  please use the Red Hat Certification team comment form here. 

**Our subject matters experts in the Red Hat Learning Community will not be assisting with tasks related to scheduling exams. 

Deanna L
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Deanna
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Gineesh
Flight Engineer
Flight Engineer
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Ofcourse you can use and I believe there is no such impact on scoring by
checking the man page or help.

As you might already know, these are 100% practical exams and you are free
to refer to provided help/documentation (if any). The assessment is based
on the ability to solve the questions; even finding the correct solution
from a man page is a skill :)

Anyway, we will wait for the moderator to help :)


*Gineesh*
linkedin.com/in/gineesh
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vishals
Starfighter Starfighter
Starfighter
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Hi @Remzi ,

I agree with @PiotrS  and @Gineesh . Your score will not be docked for using any available documentation. Knowing how to find particular information may also be a hidden objective of your exam :)

Your score is only based on the end results. If for example, you are told to set up a web service that answers on port 80 and sends out the text "Hello world!", we connect to port 80 and look at what comes back. If you were to write a service that listened on port 80 and responded with the text, or set up a web page would be up to you. We would just make sure that the end result is correct.

Best Regards,

Remzi
Flight Engineer
Flight Engineer
  • 3,453 Views

Hi @vishals , @PiotrS and @Gineesh 

I agree with you.However i wanted to be sure.

Thanks a lot for your informations.

Have good days. :)

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Javier_Juarez
Mission Specialist
Mission Specialist
  • 3,991 Views

I'm just trying to follow the guide to prepare my laptop for my scheduled exam EX180, and I wasn't able to set up my MacBook Pro 16" 2019, impossible to boot from the burned ISO, (rhexbox.iso c7002c0453d0ad086b6fec188c73c13fb5501228b6d6597653706d56bcef8e7b), honestly, I'm a bit lost and I'm thinking about to re-schedule the exam because I don't have another computer, any clues will be welcome

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JS_Learning
Starfighter Starfighter
Starfighter
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Hola @Javier_Juarez ,

In the preparation guide, there's a link to contact live support (end of page 1):

https://www.redhat.com/en/resources/remote-exams-preparation-ebook 

Feel free to check with them.

 

Saying that, I doubt they will be able to help much because on page 18, also it talks about known issues with recent Mac devices and Linux :

...Important: 2018 and later series of Mac systems have been found to have compatibility
issues with several Linux® distributions. These issues impact the remote exam image as well...

If so, you have choice but to use another computer, unfortunately.

Maybe you could try to borrow one from a friend?

 

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Javier_Juarez
Mission Specialist
Mission Specialist
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Thanks, unfortunately, I don't have this chance, and the idea to take the exam under worse conditions than used to be working with my laptop seems pretty bad to me; I will think about the possibility to take the exam in the RedHat's office, which is a shame nowadays

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JS_Learning
Starfighter Starfighter
Starfighter
  • 3,999 Views

Hi @Javier_Juarez ,

What do you mean by "worse conditions", you mean from another laptop? If so, yes it's a bit less convenient but still doable. Fortunately for you, it seems that you haven't tried an exam on a big Koala laptop with different keyboard locale than yours :D.

Yes, Remote Exams are an option, there are others. Some exams center might have reopened during this pandemic crisis and it's probably possible to attend there physically now (depends on each regions, each location). In my case going to a center implies a 6h journey on the exam day (return included) and quite significant additional cost. Even to the point that from 2-3 exams, it would be worthier to buy a simple laptop just for that, instead of paying the transport. Maybe it's different for you.

 

It's a shame about Linux unable to run on latest implementations of Apple's hardware. Apparently MAC issue are due to the new T2 chipset which blocks any OS except Apple's from booting. I researched a bit the topic, another problem is that the related code is not made public and therefore it's hard for the open source community to get a workaround.

In this rather old article, from 2018, someone says it's actually possible to boot in macOS recovery to disable some of the T2 related features:

apple-t2-chip-cant-boot-linux 

Note: it's rather old and I found other article which are saying that only works for other MAC OS and Windows, and not Linux. Maybe don't get too much hope :)

I do not own any Apple's hardware, feel free to research on the topic and see if it's actually possible to bypass that added security?

(PS: Even if one workaround the T2 chipset issue, it's possible that some other hardware are not well recognised/working, please manage any expectations accordingly).

 

 

 

 

 

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Javier_Juarez
Mission Specialist
Mission Specialist
  • 3,859 Views

Hi,

Finally, I figured out how to run the RedHat image for the exam, doing some changes to the security configuration of my mac (2019 with T2 chipset), but the configuration of the laptop is not good enough to take the exam, I have issues with the video and mic, bad luck for me, anyway someone could find interesting to take a look to these Apple documents to get ready to use the RedHat image...

Disclaimers:

  1. This is a completely informal guide based on my experience trying to set up this image
  2. I used a MacBook Pro 16" 2019 
  3. I used external hardware through a USBC hub, a TDK USB stick, a Logitech wired mouse, an apple wired keyboard, and a Razer Kiyo webcam
  4. I used the classic method to install the image on the USB stick with dd

The key point here y to decrease the security level of the laptop allowing it to boot from external disks, which is documented here by Apple: https://support.apple.com/en-ca/HT208198 

Be careful if you decide to change/set the firmware password, the keyboard layout and a "bad choice" of special characters could be a problem, more information about this is here: https://support.apple.com/en-us/HT204455 

During the boot keep all the accessories connected

 

thanks, Javier

 

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heniabida
Mission Specialist
Mission Specialist
  • 3,777 Views

Hi All ,

I'm facing the following issue when booting the exam ISO : 

Error: 
../..grub-core/lib/relocator.c:1493:out of memory.
Press any key to contnue.

It looks to be freezed ! 
I will be grateful for your help :)

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Gineesh
Flight Engineer
Flight Engineer
  • 3,806 Views

Are you on a Mac or PC ?
And what is the spec of your workstation ?


*Gineesh*
linkedin.com/in/gineesh
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