LPI

304-200 · Question #25

When using the user mode network stack with qemu, TCP and UDP connections work fine but ping does not work. Why is this?

The correct answer is A. The Qemu user mode network stack does not implement ICMP. See the full explanation below for the reasoning.

Question

When using the user mode network stack with qemu, TCP and UDP connections work fine but ping does not work. Why is this?

Options

AThe Qemu user mode network stack does not implement ICMP.
BThe problem is caused by incorrect routing.
CThe Qemu user mode network stack blocks all ICMP traffic.
DThe Qemu user mode network stack requires explicit permission for ping to work.

How the community answered

(52 responses)

A
73% (38)
B
8% (4)
C
15% (8)
D
4% (2)

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