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Question 536 - N10-008 discussion

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A customer runs a DNS lookup service and needs a network technician to reconfigure the network to improve performance. The customer wants to ensure that servers are accessed based on whichever one is topographically closest to the destination. If the server does not respond, then the next topographically closest server should respond Which of the following does the technician need to configure to meet the requirements?

A.
Multicast addressing
Answers
A.
Multicast addressing
B.
Anycast addressing
Answers
B.
Anycast addressing
C.
Broadcast addressing
Answers
C.
Broadcast addressing
D.
Unicast addressing
Answers
D.
Unicast addressing
Suggested answer: B

Explanation:

Anycast addressing is a network addressing and routing methodology in which a single destination address has multiple routing paths to two or more endpoint destinations. Routers will select the desired path on the basis of number of hops, distance, lowest cost, latency measurements or based on the least congested route. Anycast addressing is designed to provide high availability and low latency for services that have multiple instances across the world, such as DNS servers. By using anycast addressing, the customer can ensure that servers are accessed based on whichever one is topographically closest to the destination. If the server does not respond, then the next topographically closest server should respond. Reference: [CompTIA Network+ Certification Exam Objectives], [Anycast - Wikipedia]

asked 02/10/2024
Nelson G Porras
42 questions
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