CompTIA XK0-005 Exam - Topic 1 Question 59 Discussion

Actual exam question for CompTIA's XK0-005 exam

Question #: 59
Topic #: 1

A junior systems administrator has just generated public and private authentication keys for passwordless login. Which of the following files will be moved to the remote servers?

Aid_dsa.pem

Bid_rsa

Cid_ecdsa

Did_rsa.pub

Show Suggested Answer

Suggested Answer: D

The file id_rsa.pub will be moved to the remote servers for passwordless login. The id_rsa.pub file is the public authentication key that is generated by thessh-keygencommand. The public key can be copied to the remote servers by using thessh-copy-idcommand or manually. The remote servers will use the public key to authenticate the user who has the corresponding private key (id_rsa). This will allow the user to log in without entering a password. The other options are incorrect because they are either private keys (id_rsa, id_dsa.pem, or id_ecdsa) or non-existent files (id_dsa.pem or id_ecdsa).:CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 13: Managing Network Services, page 410.

by Lemuel at Nov 20, 2025, 06:19 PM

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Sueann

20 hours ago

Wait, are we sure it's not id_dsa.pem?

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Dannie

6 days ago

Agreed, the public key is what you share!

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Billi

11 days ago

I always get these SSH key questions mixed up. Maybe I should just use a password instead, less hassle.

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Sue

16 days ago

D) id_rsa.pub is the way to go. Gotta love that passwordless login!

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Wilford

21 days ago

D) id_rsa.pub is the correct answer. The public key file is the one that needs to be shared with the remote servers.

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Juan

27 days ago

I thought it could be any of the public keys, but I guess D is the most common one. I hope I’m right!

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Javier

1 month ago

I’m a bit confused about the different key types, but I feel like it’s definitely the public key that gets transferred. Is it always id_rsa.pub?

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Kenneth

1 month ago

I remember practicing a similar question, and I think the private key stays on the local machine. So, it must be D as well.

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Selene

1 month ago

I think the public key is the one that gets moved to the remote server, so maybe it's D? But I'm not completely sure.

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Renato

2 months ago

Based on my understanding, the public key file, id_rsa.pub, is the one that needs to be moved to the remote servers for passwordless authentication. The private key, id_rsa, should be kept secure on the local system.

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German

2 months ago

I'm not entirely sure about this one. I know the public key is shared, but I'm not certain which file format it would be - id_rsa.pub, id_dsa.pem, or id_ecdsa. I'll need to double-check the details on that.

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Margart

2 months ago

Okay, let me think this through. The private key, like id_rsa, should stay local for security. The public key, id_rsa.pub, is the one that gets shared with the remote servers for passwordless login. I'm pretty confident that's the right approach.

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