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Linux Foundation LFCS Exam - Topic 1 Question 99 Discussion

What is the command to delete the default gateway from the system IP routing table? (Choose TWO correct answers.)
A) route del default and D) ip route del default
B) ifconfig unset default
C) netstat -r default
E) sysctl ipv4.default_gw=0

Linux Foundation LFCS Exam - Topic 1 Question 99 Discussion

Actual exam question for Linux Foundation's LFCS exam
Question #: 99
Topic #: 1
[All LFCS Questions]

What is the command to delete the default gateway from the system IP routing table? (Choose TWO correct answers.)

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Suggested Answer: A, D

by Felix at May 03, 2025, 05:04 AM

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Monte
6 months ago
Wait, can you really use "ifconfig unset default"? Sounds off.
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Maryann
6 months ago
Yeah, "route del default" works too!
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Emogene
6 months ago
Pretty sure it's "ip route del default."
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Judy
7 months ago
I thought "sysctl ipv4.default_gw=0" was a thing, but not sure about that one.
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Marge
7 months ago
Definitely not "netstat -r default," that's for viewing routes, not deleting!
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Carolynn
7 months ago
I think "netstat -r default" is definitely not for deleting anything; it just shows the routing table, right?
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Alton
7 months ago
I feel like "ifconfig unset default" is not right, but I can't recall what the correct command is.
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Kanisha
7 months ago
I remember practicing with "ip route" commands, so "ip route del default" sounds familiar to me.
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Arminda
8 months ago
I think the command to delete the default gateway is something like "route del default," but I'm not entirely sure if that's the exact syntax.
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Zack
8 months ago
Hmm, the "ifconfig unset default" and "sysctl ipv4.default_gw=0" options don't seem right to me. I think the "route del default" and "ip route del default" commands are the way to go here.
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Lenita
8 months ago
I'm a bit unsure about some of these options. I know the "route del default" command is used to delete the default gateway, but I'm not familiar with the other choices. Guess I'll have to eliminate the ones I'm not confident about.
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Laurel
8 months ago
Easy peasy! The "route del default" and "ip route del default" commands are definitely the way to go here. I've used those before to manage routing tables.
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Vince
8 months ago
Okay, let's see here. I'm pretty sure the "route del default" and "ip route del default" commands are the correct answers, but I'll double-check the others just to be sure.
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Teresita
9 months ago
Hmm, this looks like a tricky networking question. I'll need to think carefully about the different commands and which ones would actually delete the default gateway.
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Edison
1 year ago
I'm going with A and D. Can't go wrong with the classic 'route' and 'ip route' commands. Deleting the default gateway is like deleting your emergency contact - it's just asking for trouble!
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Gracie
11 months ago
User2: Yeah, 'route del default' and 'ip route del default' are the way to go.
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Stevie
12 months ago
User1: I think A and D are the correct commands to delete the default gateway.
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Osvaldo
1 year ago
Haha, 'netstat -r default'? That's just gonna show you the routing table, not delete anything.
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Fausto
1 year ago
E) sysctl ipv4.default_gw=0? Really? I'm not sure that would actually delete the default gateway. Sounds more like a way to change the default gateway.
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Hubert
11 months ago
E) I think you're right, sysctl command is used to change system parameters, not delete the default gateway.
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Elina
11 months ago
E) sysctl ipv4.default_gw=0
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Letha
12 months ago
D) ip route del default
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Pete
12 months ago
A) route del default
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Marta
1 year ago
Whoa, 'ifconfig unset default'? That's a new one to me. I've never seen that before.
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Valentine
11 months ago
User3: 'ifconfig unset default' sounds interesting, I might have to try that out.
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Toi
11 months ago
User2: Yeah, that's the command I'm familiar with too.
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France
11 months ago
User1: I always use 'ip route del default' to delete the default gateway.
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Rodney
1 year ago
I agree with Davida, those commands make sense for deleting the default gateway.
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Davida
1 year ago
I think the correct answers are A) route del default and D) ip route del default.
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Florencia
1 year ago
What is the command to delete the default gateway from the system IP routing table?
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Annita
1 year ago
I think the correct answers are A and D. 'route del default' and 'ip route del default' are the standard commands to remove the default gateway.
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Emiko
1 year ago
Thanks for confirming. It's important to use the correct commands to manage the system IP routing table.
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Erinn
1 year ago
Yes, those are the right choices. 'ifconfig unset default' and 'netstat -r default' are not valid commands for removing the default gateway.
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Javier
1 year ago
Make sure to use 'route del default' or 'ip route del default' to delete the default gateway.
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Madalyn
1 year ago
I agree, 'route del default' and 'ip route del default' are the correct commands to delete the default gateway.
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Jeannetta
1 year ago
Yes, those are the correct commands to remove the default gateway from the system IP routing table.
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Jamey
1 year ago
I agree, 'route del default' and 'ip route del default' are the correct commands to delete the default gateway.
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