dns encapsulation

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If size of response message is more than 512 bytes, a Connection is used called

If size of response message is more than 512 bytes, a Connection is used called
  • A. DNS connection
  • B. ICMP connection
  • C. STMP connection
  • D. TCP connection
  • Correct Answer: Option D

A root server’s zone is entire

A root server’s zone is entire
  • A. STP Tree
  • B. DNS Tree
  • C. HostTree
  • D. Sub-Tree
  • Correct Answer: Option B

In Domain Name System (DNS), well known port 53 provides services of

In Domain Name System (DNS), well known port 53 provides services of
  • A. UDP
  • B. TCP
  • C. ICMP
  • D. Both A & B
  • Correct Answer: Option D

DNS can be pictured as an inverted hierarchical tree structure with one root node at top and a maximum of

DNS can be pictured as an inverted hierarchical tree structure with one root node at top and a maximum of
  • A. 128 Levels
  • B. 129 Levels
  • C. 130 Levels
  • D. 131 Levels
  • Correct Answer: Option A