Computer Science > EXAM > NRS-1 Practice Test From Nokia's SIte | 60 Questions with 100% Correct Answers | Updated & Verified (All)
NRS-1 Practice Test From Nokia's SIte | 60 Questions with 100% Correct Answers | Updated & Verified
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1.1 Which of the following is the physical infrastructure that provides interconnections between ISPs? a. A demarcation point b. An Internet exchange point c. A central office d. A point of prese ... nce - ANS - b. An Internet exchange point 1.2 Which of the following provides physical separation between service provider and customer responsibilities? a. A provider edge router b. An Internet exchange point c. A demarcation point d. A point of presence - ANS - c. A demarcation point 1.3 Which TCP/IP layer is responsible for path determination and end-to-end forwarding of datagrams? a. The application services layer b. The transport layer c. The Internet protocol layer d. The network interface layer - ANS - c. The Internet protocol layer 1.4 What information is part of the encapsulation done at the network interface layer? a. Source and destination MAC addresses b. Source and destination IP addresses c. Source and destination port numbers [Show More]
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