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You as a network expert have to suggest the best network related solutions for their problems raised in (a) to (d), keeping in mind the distances between the buildings and other given parameters.
Shortest Distances between various buildings:
| ADMIN to SCIENCE | 65 M |
| ADMIN to BUSINESS | 100 m |
| ADMIN to ARTS | 60 M |
| SCIENCE to BUSINESS | 75 M |
| SCIENCE to ARTS | 60 M |
| BUSINESS to ARTS | 50 M |
| DELHI Head Office to HYDERABAD Campus | 1600 KM |
Number of Computers installed at various building are as follows:
| ADMIN | 100 |
| SCIENCE | 85 |
| BUSINESS | 40 |
| ARTS | 12 |
| DELHI Head Office | 20 |
(a) Suggest the most appropriate location of the server inside the HYDERABAD campus (out of the 4 buildings), to get the best connectivity for maximum no. of computers. Justify your answer.
(b) Suggest and draw the cable layout to efficiently connect various buildings ‘within the HYDERABAD campus for connecting the computers.
(c) Which hardware device will you suggest to be procured by the company to be installed to protect and control the internet uses within the campus?
(d) Which of the following will you suggest to establish the online face-to-face communication between the people in the Admin Office of HYDERABAD campus and DELHI Head Office?
(a) E-mail (b) Text Chat (c) Video Conferencing (d) Cable TV
Write SQL queries for (i) to (iv) and find outputs for SQL queries (v) to (viii), which are based on the tables.
Table: VEHICLE
| Code | VTYPE | PERKM |
| 101 | VOLVO BUS | 160 |
| 102 | AC DELUXE BUS | 150 |
| 103 | ORDINARY BUS | 90 |
| 105 | SUV | 40 |
| 104 | CAR | 20 |
Note:
•PERKM is Freight Charges per kilometer
•VTYPE is Vehicle Type
| NO | NAME | TDATE | KM | CODE | NOP |
| 101 | Janish Kin | 2015-11-13 | 200 | 101 | 32 |
| 103 | Vedika sahai | 2016-04-21 | 100 | 103 | 45 |
| 105 | Tarun Ram | 2016-03-23 | 350 | 102 | 42 |
| 102 | John Fen | 2016-02-13 | 90 | 102 | 40 |
| 107 | AhmedKhan | 2015-01-10 | 75 | 104 | 2 |
| 104 | Raveena | 2015-05-28 | 80 | 105 | 4 |
| 106 | Kripal Anya | 2016-02-06 | 200 | 101 | 25 |
Note:
•NO is Traveller Number
•KM is Kilometer travelled
•NOP is number of travellers travelled in vehicle
•TDATE is Travel Date
(i) To display NO, NAME, TDATE from the table TRAVEL in descending order of NO.
(ii) To display the NAME of all the travellers from the table TRAVEL who are travelling by vehicle with code 101 or 102.
(iii) To display the NO and NAME of those travellers from the table TRAVEL who travelled between ‘2015-12-31 ’and ‘2015-04-01 ’.
(iv) To display all the details from table TRAVEL for the travellers, who have travelled distance more than 100 KM in ascending order of NOP.
(v) SELECT COUNT (*), CODE FROM TRAVEL GROUP BY CODE HAVING COUNT(*)>1;
(vi) SELECT DISTINCT CODE FROM TRAVEL;
(vii) SELECT A.CODE,NAME,VTYPE FROM TRAVEL A,VEHICLE B WHERE A.CODE=B. CODE AND KM <90;
(viii) SELECT NAME,KM*PERKM FROM TRAVEL A, VEHICLE B WHERE A.CODE=B.CODE AND A.CODE=‘105 ’;