Exam LFCS topic 1 question 218 discussion

Actual exam question from Linux Foundation's LFCS

Question #: 218
Topic #: 1

[All LFCS Questions]

Given the following routing table:

How would an outgoing packet to the destination 192.168.2.150 be handled?

A. It would be passed to the default router 192.168.178.1 on wlan0.
B. It would be directly transmitted on the device eth0.
C. It would be passed to the default router 255.255.255.0 on eth0.
D. It would be directly transmitted on the device wlan0.
E. It would be passed to the router 192.168.1.1 on eth0.

Show Suggested Answer

Suggested Answer: E 🗳️

by kuma69 at Nov. 14, 2019, 3:33 p.m.

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EliteAllen

6 months, 3 weeks ago

Selected Answer: B

B. It would be directly transmitted on the device eth0. This is the correct answer because the routing table indicates that the network 192.168.2.0/24 is directly accessible via the eth0 interface, so the packet would be transmitted directly on this interface without needing to be passed to a router.

upvoted 1 times

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stef_88

4 years, 3 months ago

Correct Answer is E. 192.168.2.0 is not directly connected, so packet will be transfered to gateway(router 192.168.1.1) via eth0 that is on connected subnet 192.168.1.0

upvoted 3 times

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kuma69

4 years, 8 months ago

Surely this does not need to go through a router so: B. It would be directly transmitted on the device eth0.

upvoted 2 times

Borbz

3 years, 2 months ago

the eth0 is on the 192.168.1.x, you can see it because it has default gateway 0.0.0.0. so to reach 192.168.2.x it needs to go through a router or L3'switch, and you can see on the routing table there is a static routing advertising 192.168.2.x though 192.168.1.1 which can be reached through the ETH0.