EBK COMPUTER NETWORKING
7th Edition
ISBN: 8220102955479
Author: Ross
Publisher: PEARSON
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Expert Solution & Answer
Chapter 7, Problem R19RQ
Explanation of Solution
Difference between permanent address and a care-of address:
| Permanent address | Care-of address |
| IP address contains a permanent address for a mobile when it is at its home network. | It is an address given to the mobile device when the address enters into another network area. |
| Every data is routed to the permanent address and home agent. | After routed to the permanent address and home agent the care-of address forwards the data onto the other network. |
| The permanent address remains unchanged no matter where the mobile node is located... |
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Table name: ADVISORS
ADVISORID
ADVISORNAME
A102
Sami
A103
Alice
A104
Suad
A105
Tamil
A101
Arun
Table name: DEPARTMENTS
DEPTID DEPTNAME
D102
ELC
D101
IT
D103
BSD
D104
ENG
Table name: STUDENTS
STUDENTID
STUDENTNAME
DOB
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ADVISORID
STUDENTLEVEL
AGE
Hisham
6/1/1999 Male
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22
12/30/1994 Female
45 D103
S102
Sara
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Diploma
27
S101
Salim
6/1/1999 Male
45 | D103
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22
5107
Khalil
5/6/1995 Male
45 D101
A101
Blech
26
45 | D104
Advanced Diploma
S109
Said
10/15/1992 Male
A101
29
5/1/1995 Male
45 D101
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5100
Ahmad
BTech
Advanced Diploma
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4/5/1998 Male
2/23/1992 Female
9/12/1999 Female
S104
Faisal
A101
23
0 D102
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Fatima
90
A102
Level 2
29
S106
Arwa
A102
Level 3
22
S108
Ibtisam
8/13/1991 Female
90 D103
A104
Diploma
30
Write the SQL statement for the following:
1. Using the ON clause, display the advisor name and student name for all students in the BTech
level
2. Display the student name, gender and department name of…
1. Write a database description for each of the relations shown, using SQL DDL (shorten, abbreviate,
or change any data names, as needed for your SQL version). Assume the following attribute data
types:
StudentID (integer, primary key)
StudentName (25 characters)
FacultylD (integer, primary key)
FacultyName (25 characters)
CourselD (8 characters, primary key)
Why is an identifier more suitable than an address as a name for an object in Distributes Systems
Chapter 7 Solutions
EBK COMPUTER NETWORKING
Ch. 7 - Prob. R1RQCh. 7 - Prob. R2RQCh. 7 - Prob. R3RQCh. 7 - Prob. R4RQCh. 7 - Prob. R5RQCh. 7 - Prob. R6RQCh. 7 - Prob. R7RQCh. 7 - Prob. R8RQCh. 7 - Prob. R9RQCh. 7 - Prob. R10RQ
Ch. 7 - Prob. R11RQCh. 7 - Prob. R12RQCh. 7 - Prob. R13RQCh. 7 - Prob. R14RQCh. 7 - Prob. R15RQCh. 7 - Prob. R16RQCh. 7 - Prob. R17RQCh. 7 - Prob. R18RQCh. 7 - Prob. R19RQCh. 7 - Prob. R20RQCh. 7 - Prob. R21RQCh. 7 - Prob. R22RQCh. 7 - Prob. R23RQCh. 7 - Prob. P1PCh. 7 - Prob. P2PCh. 7 - Prob. P3PCh. 7 - Prob. P5PCh. 7 - Prob. P6PCh. 7 - Prob. P7PCh. 7 - Prob. P8PCh. 7 - Prob. P10PCh. 7 - Prob. P11PCh. 7 - Prob. P12PCh. 7 - Prob. P13PCh. 7 - Prob. P14PCh. 7 - Prob. P15PCh. 7 - Prob. P16P
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Similar questions
- Table name: ADVISORS ADVISORID ADVISORNAME A102 Sami A103 Alice A104 Suad A105 Tamil A101 Arun Table name: DEPARTMENTS DEPTID DEPTNAME ELC D102 D101 IT D103 BSD D104 ENG Table name: STUDENTS STUDENTID STUDENTNAME DOB GENDER ALLOWANCE DEPTID ADVISORID STUDENTLEVEL AGE 6/1/1999 Male 12/30/1994 Female 6/1/1999 Male 5/6/1995 Male 10/15/1992 Male S103 Hisham 90 D102 A102 Level 1 22 S102 Sara 45 D103 A104 Diploma 27 S101 Salim 45 D103 A104 Diploma 22 S107 Khalil 45 D101 A101 BTech 26 S109 Said 45 D104 A101 Advanced Diploma 29 s100 Ahmad 5/1/1995 Male 45 D101 A103 BTech 26 S104 Faisal 4/5/1998 Male 90 D104 A101 Advanced Diploma 23 S105 Fatima 2/23/1992 Female 90 D102 A102 Level 2 29 9/12/1999 Female 8/13/1991 Female S106 Arwa 45 D102 A102 Level 3 22 S108 Ibtisam 90 D103 A104 Diploma 30 Write the SQL statement for the following: 1. Using the ON clause, display the advisor name and student name for all students in the BTech levelarrow_forwardDeliverables: List of actors List of use-cases UML Use-Case Diagram Overview Statement: For its chain of fast food outlets, Chicago Bino's Pizza has recently installed a new online system to speed up deliveries and improve customer satisfaction. When a customer places an online order to have pizza delivered, an employee verifies the order and checks the customers phone number against a data store containing past orders. If the order is for a repeat customer, the system matches the number with the customer database and displays the customer record on the screen. (Customer records contain a variety of information, including whether the customer's dog bites.) For first-time customers, the employee (salesman) verifies the caller's name and address, and creates a record in the customer database. The order taker (salesman) verifies the customer's pizza order within 10 minutes after the customer placed the order online. After 10 minutes from placing the order by the customer and the…arrow_forwardDifferentiate primary, candidate, and superkey.arrow_forward
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