Practice question 410 of 506 · medium
To isolate a connectivity failure, select two useful tests.
Select all that apply. Every correct option and no extras are required for credit in the app.
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✓ Correct answers
- Compare access by destination name and IP
- Check the intended service port and listener
Name/IP comparison separates resolution from routing and port/listener checks target the service. ICMP is independent; TCP does not prove UDP QUIC; simultaneous changes obscure the cause.
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