NPTEL E-Business Week 5 Assignment Answers 2024

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NPTEL E-Business Week 5 Assignment Answers 2024

1. The metrics such as MTTF (mean time to failure) and MTTR (mean time to repair) are used for assessing____________ of an information service

a. Performance
b. Scalability
c. Availability and maintainability
d. All of the above

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2. What is the correct sequence of layers in a Web Server starting:

a. Operating System, TCP/IP, Hardware, HTTP
b. TCP/IP, HTTP, Hardware, Operating System,
c. Hardware, Operating System, TCP/IP, НТТР
d. HTTP, Operating System, Hardware, TCP/IP

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3. The time required to complete an HTTP request is called___________.

a. Throughput
b. Latency
c. Forking time
d. Traffic handling time

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4. Which of the following elements in an e-business infrastructure is responsible for enhancing security and privacy by installing a firewall?

a Cache server
b. Proxy server
c. Load balancer
d. Web server

Answer :- 

5. Which of the following is a feature of the packet-switched network?

a. No-fixed routing scheme between the hosts
b. Packets arrive out of sequence packets
c. In case of congestion or link failure the packets are discarded
d. All of the above

Answer :- 

6. Domain Name System is built over a__________that stores the IP address corresponding to a domain name.

a. Relational database at the root server
b. Relational database at each name server
c. Distributed database
d. NoSQL database

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7. Which of the following constitutes the total time between sending an HTTP request and a response?

a TCP connection time, Time to send HTTP request from the client, Time to send
HTTP response from the server, Network delays
b. Time to send HTTP request from the client, Time to send HTTP response from the
server, Network delays
c. Time to send HTTP request from the client, Time to send HT TP response from the
server
d. TCP connection time, Network delays

Answer :- 

8. Which of the following is an application-level protocol in a TCP/IP protocol stack

a. FTP
В. НТТР
c. SMTP
d. All of the above

Answer :- 

9. The length of the Destination Address and Source Address in the IP header in IPv4 is___________bit

a. 8
b. 16
c. 32
d. 64

Answer :- 

10. Which of the following tasks are performed by a routers

a. Forwards network traffic based on IP addresses rather than MAC addresses
b. Communicate with one another, learning neighbors, routs, costs, and addresses and
select the best path routs for individual packets.
c. Scalable and can support very large internetworks in terms of both load and
addressing
d. All of the above

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