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Isaca Cybersecurity-Audit-Certificate Exam - Topic 4 Question 40 Discussion

Posted by Chandra on Apr 30, 2025 at 05:32 PM

Which of the following is a client-server program that opens a secure, encrypted command-line shell session from the Internet for remote logon?

Suggested Answer: C

The correct answer is C. SSH.

SSH stands for Secure Shell, a client-server program that opens a secure, encrypted command-line shell session from the Internet for remote logon. SSH allows users to remotely access and execute commands on a server without exposing their credentials or data to eavesdropping, tampering or replay attacks. SSH also supports secure file transfer protocols such as SFTP and SCP1.

VPN stands for Virtual Private Network, a technology that creates a secure, encrypted tunnel between two or more devices over a public network such as the Internet. VPN allows users to access resources on a remote network as if they were physically connected to it, while protecting their privacy and identity2.

IPsec stands for Internet Protocol Security, a set of protocols that provides security at the network layer of the Internet. IPsec supports two modes: transport mode and tunnel mode. Transport mode encrypts only the payload of each packet, while tunnel mode encrypts the entire packet, including the header. IPsec can be used to secure VPN connections, as well as other applications that require data confidentiality, integrity and authentication3.

SFTP stands for Secure File Transfer Protocol, a protocol that uses SSH to securely transfer files between a client and a server over a network. SFTP provides encryption, authentication and compression features to ensure the security and reliability of file transfers.

1: SSH (Secure Shell) 2: What is a VPN? How It Works, Types of VPN | Kaspersky 3: IPsec - Wikipedia : [SFTP - Wikipedia]


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37 comments · newest first
CY
Cyril 10 months ago
I thought VPNs were for secure connections too?
DI
Dion 10 months ago
Wait, isn't SFTP also secure? Why not that?
SU
Suzi 10 months ago
Definitely SSH! It's the go-to for secure remote access.
SH
Shalon 10 months ago
I had no idea SSH was specifically for command-line sessions!
SH
Shawnda 11 months ago
Pretty sure the answer is C, SSH.
BU
Burma 11 months ago
IPsec sounds familiar, but I don't think it opens a command-line session like SSH does.
IV
Ivette 11 months ago
I feel like I've seen a similar question before, and SSH was definitely mentioned as the secure option for remote access.
LU
Lucina 11 months ago
I remember studying about VPNs, but they don't really provide a command-line shell, do they?
GE
Geraldine 12 months ago
I think SSH is the right answer since it provides a secure shell for remote logon, but I'm not completely sure.
SH
Shizue 12 months ago
I'm a little confused by the wording of this question. Is it asking specifically about a tool that provides a secure shell session, or just any kind of secure remote access? I want to make sure I understand the requirements before I answer.
BA
Barney 12 months ago
SSH is definitely the right answer here. It's the classic tool for secure remote access and command-line sessions over the internet. I'm confident that's the solution they're looking for.
SA
Sang 1 year ago
Hmm, I'm not totally sure about this one. I know VPNs and IPsec are related to secure remote access, but I'm not confident they fit the description here. I'll have to think this through a bit more.
AN
Angella 1 year ago
This one seems pretty straightforward. I'm going to go with C - SSH. It's a client-server program that opens a secure, encrypted command-line shell session from the internet.
DE
Denise 1 year ago
Wow, this is easy. SSH is the only one that gives you a secure command-line shell session from the internet. It's the James Bond of remote access tools.
MO
Moon 1 year ago
↳ replying to Denise
User 3: VPN, IPsec, and SFTP don't offer the same level of security as SSH.
BR
Brittney 1 year ago
↳ replying to Denise
User 2: Definitely, it's like having a secret agent connection.
LA
Lashonda 1 year ago
↳ replying to Denise
User 1: SSH is the way to go for secure remote logon.
ME
Melodie 1 year ago
I bet the answer is SSH. That's the one that lets you remote in like a super-spy.
MA
Magda 1 year ago
↳ replying to Melodie
User 2: Yeah, SSH is like being a super-spy with encrypted command-line access.
PO
Polly 1 year ago
↳ replying to Melodie
User 1: I think you're right, SSH is the one for secure remote logon.
TA
Talia 1 year ago
SSH is the answer, no doubt. It's the secret agent of remote login tools.
AL
Alton 1 year ago
↳ replying to Talia
User 3: VPN and IPsec are good too, but SSH is the best for remote logon.
DE
Devorah 1 year ago
↳ replying to Talia
User 2: I agree, SSH is the way to go for secure, encrypted command-line shell sessions.
IN
Ines 1 year ago
↳ replying to Talia
User 1: SSH is definitely the answer. It's like a secret agent for remote login.
TA
Tammi 1 year ago
I believe it's C) SSH because it provides a secure command-line shell session.
ME
Melina 1 year ago
SSH is the way to go. It's like having your own personal Batcave for remote access.
MA
Marsha 1 year ago
Definitely SSH. I use it all the time for remote logins. It's like the Batman of secure remote access.
LI
Ligia 1 year ago
↳ replying to Marsha
I use SSH all the time for remote logins, it's so reliable.
LE
Lettie 1 year ago
↳ replying to Marsha
I agree, SSH is like the Batman of secure remote access.
ON
Onita 1 year ago
↳ replying to Marsha
SSH is definitely the way to go for secure remote logins.
SH
Sharika 1 year ago
I'm not sure, but I think VPN could also be a possibility.
LA
Lavonna 1 year ago
I agree with Abel, SSH is the correct answer.
AB
Abel 1 year ago
I think the answer is C) SSH.
DO
Donte 1 year ago
C'mon, it's gotta be SSH! That's the only one that gives you a secure command-line session from the internet.
MA
Marilynn 1 year ago
↳ replying to Donte
User 3: I agree, SSH is the way to go for remote logon.
RO
Rosendo 1 year ago
↳ replying to Donte
User 2: Yeah, SSH is definitely the right choice for a secure command-line session.
VA
Valentine 1 year ago
↳ replying to Donte
User 1: I think it's SSH too, it's the most secure option.
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