Computer Networks MCQs – Certification Test 395

DNS Encapsulation MCQ (Question 395) – Learning App & e-Book Download

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MCQ 395: In Domain Name System (DNS), the well-known port 53 provides the services of:

udp
TCP
icmp
both a and b

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DNS Encapsulation MCQ App & e-Book – Computer Networks Exam Prep

IPv4 Addresses Test 406

Circuit Switched Networks Test 407

Unicast Routing Protocols Test 408

Message Confidentiality Test 409

Frame Relay and ATM Test 410

World Wide Web Architecture Test 411

Unicast Routing Protocols Test 412

Line Coding Schemes Test 413

Cellular Telephony Test 414

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