Computer networks Problem 1 Fill in the blanks. 1 pt per question 1. From a comp

Question

Computer networks

Problem 1 Fill in the blanks. 1 pt per question 1. From a component view, the Internet consists of hosts, an 2. What rule is used by a router to determine the forwarding interface when the destination IP address matches multiple entries in the for- warding table? put ports header checksum, flow label, IP fragmentation? 3. From an architecture perspective, a router consists of input ports, out- 4. Which one of the following features is NOT provided by IPv4: options, 5. The two control plane architectures are 6. Which broad class of multiple access protocols contains the MAC pro- 7. The three parameters specifying a periodic signal are: amplitude, 8. T (True) or F (False): DNS runs over TCP as it needs reliable data 9. T or F: Client/server process is only defined for client-server applica- and and tocol of Ethernet? and transfer. tions, and not for P2P applications 10. By the Nyquist Sampling Theorem, digitizing a signal with frequency up to 8000 Hz using 16 quantization levels generates a data rate of bps.

Explanation / Answer

Answer (1) From a component view, the internet consists of hosts, client and server

Answer (2) switching process used by a router to determine the forwarding interface when the destination IP address matches multiple entries in the forwarding table

Answer (3) From an architecture perspective a rounter consists of Input ports, Output ports Switching fabric and Routing processor

Answer (4) Flow labal is not provided by IPv4

Answer (5) The two control plane architecture are data plane and the management plane.

Answer (6) which broad cast of mutiple access protocols contains the MAC protocol of Ethernet

Answer (7) The three parameters specifying a periodic signal are amplitude, frequency and phase.

Answer (8) TRUE: DNS runs over TCP as it needs reliable data transfer

Answer (9) False: Client/Server process is only defined for client-server application and not for P2P applications.

Answer (10) By the Nyquist Sampling Theorem, digitizing a signal with frequency upto 8000 hz using 16 quantization levels generates a data rate of 64,000 bps
using below equation D = 2 B log2K,
where D = Data rate, B bandwidth, K signal levels

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