Chapter 3 Q & A Answers
| 1: | According to RFC 1700, what is the well-known TCP/UDP port used by DNS? ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ |
| A1: | Answer: RFC 1700 defines the well-known ports for the whole TCP/IP protocol suite. For DNS, the well-known port for TCP/UDP is number 53. |
| 2: | What does the IOS command no ip domain-lookup accomplish? ________________________________________________________________ ________________________________________________________________ ________________________________________________________________ |
| A2: | Answer: This IOS command disables DNS queries for network administrators ... |
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