19. How do Internet packets travel to their destination? (A) Router to router based on the Travelling Salesman algorithm (B) Along the same path to stay in order (C) Timed to arrive at the destination in their correct order (D) Along a variety of different paths 20. What action does the Internet Protocol (IP) perform? (A) It ensures packets can be transmitted across different equipment used with the Internet. (B) It enforces the Internet's rules for website names. (C) It classifies the data into clusters used for Internet traffic analysis. (D) It measures the latency on the Internet to determine the fastest path to send the data. 21. You are writing code to count duplicates in an existing list. What code could replace PROCEDURE countDupa (11stNums) ( index - 2 numDuplicates - 0 FOR EACH number in listNums ( REPEAT UNTIL (index a LENGTH (11st Nums)) ( IP (emissing code>) ( numDuplicates - numDuplicates + 1 } index index + 1 RETURN numDuplicates } (A) listNums[index]> listNums[index-1] (B) listNums[index] < number (C) listNums[index] = number (D) listNums[index] = listNums[index] Page 4

19. How do Internet packets travel to their destination? (A) Router to router based on the Travelling Salesman algorithm (B) Along the same path to stay in order (C) Timed to arrive at the destination in their correct order (D) Along a variety of different paths 20. What action does the Internet Protocol (IP) perform? (A) It ensures packets can be transmitted across different equipment used with the Internet. (B) It enforces the Internet's rules for website names. (C) It classifies the data into clusters used for Internet traffic analysis. (D) It measures the latency on the Internet to determine the fastest path to send the data. 21. You are writing code to count duplicates in an existing list. What code could replace PROCEDURE countDupa (11stNums) ( index - 2 numDuplicates - 0 FOR EACH number in listNums ( REPEAT UNTIL (index a LENGTH (11st Nums)) ( IP (emissing code>) ( numDuplicates - numDuplicates + 1 } index index + 1 RETURN numDuplicates } (A) listNums[index]> listNums[index-1] (B) listNums[index] < number (C) listNums[index] = number (D) listNums[index] = listNums[index] Page 4

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

Please answer this three questions and explain how you got it and show the work !!

19. How do Internet packets travel to their
destination?
(A) Router to router based on the Travelling
Salesman algorithm
(B) Along the same path to stay in order
(C) Timed to arrive at the destination in their
correct order
(D) Along a variety of different paths
20. What action does the Internet Protocol (IP)
perform?
1
(A) It ensures packets can be transmitted across
different equipment used with the Internet.
(B) It enforces the Internet's rules for website
names.
(C) It classifies the data into clusters used for
Internet traffic analysis.
(D) It measures the latency on the Internet to
determine the fastest path to send the data.
21. You are writing code to count duplicates in an
existing list. What code could replace <miss-
ing code> for the algorithm to work cor-
rectly? Assume all variables have been correctly
initialized.
<listNuma is a list of integers>
PROCEDURE countDupa (listNuma)
index 2
numDuplicates 0
FOR EACH number in listNums
REPEAT UNTIL (index a
LENGTH (listNums))
{
}
IF (emissing code>)
(
numDuplicates -
numDuplicates + 1
}
index index 1
RETURN numDuplicates
}
(A) listNums[index]> listNums[index-1]
(B) listNums[index] < number
(C) listNums[index] = number
(D) listNums[index] = listNums[index
Page
4 1

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