a. How many physical links, data links, and routes are there along the way when Host A sends a packet to Host D using the shortest path? b. How many physical links, data links, and routes are there along the way when Host A sends a packet to Router R2 using the shortest path? (Assume that hops will be minimized across switches and routers.) c. How many physical links, data links, and routes are there along the way when Host D sends a packet to Host B using the shortest path?
a. How many physical links, data links, and routes are there along the way when Host A sends a packet to Host D using the shortest path? b. How many physical links, data links, and routes are there along the way when Host A sends a packet to Router R2 using the shortest path? (Assume that hops will be minimized across switches and routers.) c. How many physical links, data links, and routes are there along the way when Host D sends a packet to Host B using the shortest path?
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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Transcribed Image Text:a. How many physical links, data links, and routes are there along the way when Host A sends a packet to
Host D using the shortest path?
b. How many physical links, data links, and routes are there along the way when Host A sends a packet to
Router R2 using the shortest path? (Assume that hops will be minimized across switches and routers.)
c. How many physical links, data links, and routes are there along the way when Host D sends a packet to
Host B using the shortest path?
Switched Network X
FrameX
Packet
Switch X3
Data Link
Host A
A-R1
Host C
Physical
Link
(A-X1)
Switch X4
Switched
Network Y
Switch X1
Router R1
Switch X2
Route A-B
Data Link
R1-R2
Route A-B
3 Networks (X,YZ)
1 Packet & Route
3 Frames & Data Links
7 Physical Links
Packet
Frame Y
Switched Network Z
Host B
Switch
Z1
Router R2
Packet
Frame Z
Switch Z2
Data Link
R2-B
Switch Z3
Router R3
Switch Z4
Host D
Host E
FIGURE 1-28 An Exercise in Physical, Links, Data Links, and Routes
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