Arrange the following steps in a proper sequence for the typical process of a DNS query :

(A) Query authoritative DNS Server

(B) Query local DNS Server

(C) Local DNS Server Check Cache

(D) Query root DNS Server

(E) Query TLD DNS Server

1. A(A), (C), (E), (B), (D)
2. B(E), (A), (C), (B), (D)
3. C(A), (B), (C), (D), (E)
4. D(B), (C), (D), (E), (A)

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: D. (B), (C), (D), (E), (A)

Explanation

The host queries its local DNS server, which checks its cache; on a miss it queries a root server, then the TLD server, then the authoritative server.