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220-802 · Question #750

A user reports that they can browse the local network but cannot reach the Internet. A technician pings the local server and verifies the server responds but sites on the Internet do not. This could…

The correct answer is B. Failed router E. Failed gateway. The user can reach local resources (local server responds to ping) but cannot reach the Internet. This isolates the fault to the path between the local network and the Internet. Both a failed router (B) and a failed gateway (E) would break outbound Internet routing - the router…

Networking

Question

A user reports that they can browse the local network but cannot reach the Internet. A technician pings the local server and verifies the server responds but sites on the Internet do not. This could be caused by which of the following? (Select TWO).

Options

  • AFailed WINS server
  • BFailed router
  • CDisabled Windows firewall
  • DBad NIC
  • EFailed gateway

How the community answered

(33 responses)
  • A
    21% (7)
  • B
    64% (21)
  • C
    6% (2)
  • D
    9% (3)

Explanation

The user can reach local resources (local server responds to ping) but cannot reach the Internet. This isolates the fault to the path between the local network and the Internet. Both a failed router (B) and a failed gateway (E) would break outbound Internet routing - the router and the default gateway are often the same device or are in the same path; if either fails, no traffic can leave the local network segment for the Internet. A failed WINS server (A) handles NetBIOS name resolution on the LAN and would not affect Internet access. A disabled Windows firewall (C) would generally allow more traffic, not block it. A bad NIC (D) would also break local connectivity, which works fine here.

Topics

#default gateway#router failure#internet connectivity#network layers

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