EBK COMPUTER NETWORKING
7th Edition
ISBN: 8220102955479
Author: Ross
Publisher: PEARSON
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Expert Solution & Answer
Chapter 9, Problem P16P
a)
Program Description Answer
The video that is streamed directly from web server to media player will use TCP as the underlying protocol.
Hence the given statement is “True”.
b)
Program Description Answer
The user is capable of changing the encoding in the middle of the session to change the payload type of the RTP stream.
Hence the given statement is “True”.
c)
Program Description Answer
The application that uses the RTP can use any port to send and receive through any port numbers.
Hence, the given statement is “False”.
d)
Program Description Answer
The session that has a separate audio and video stream for each sender, the audio and video streams uses different SSRC.
Hence, the statement is “False”.
e)
Program Description Answer
Per-hop behavior defines the difference in the performance among the classes of traffic present in the diffserv network.
Hence, the given statement is “True”.
f)
Program Description Answer
According to the example given in the text, Alice indicates that the message to receive the audio from the bob.
Hence the given statement is “False”.
g)
Program Description Answer
According to the example given in the text, Alice indicates that the message to receive the audio from the bob through the port 48753.
Hence the given statement is “False”.
h)
Program Description Answer
The messages between the SIP entities are transmitted through a default port number 5060.
Hence the given statement is “True”.
i)
Program Description Answer
The SIP registration process is made using the REGISTER. Registration is the first step for making VOIP (Voice Over Internet Protocol).
Hence the given statement is “True”.
j)
Program Description Answer
H.323 mandates the G.711 audio encoding and the given is not the requirement of the SIP.
Hence the given statement is “False”.
Expert Solution & Answer
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Check out a sample textbook solution
Students have asked these similar questions
1. Show that S₁ = S2 if and only if S₁ U S2 = S₁n S2.
2. Show that if S1 and S2 are finite sets with |S₁ = n and |S₂| = m, then
S₁ U S2 ≤n+m.
3. If language L is regular and is given by L ={awa : w = {a, b} *}
Then show that L² is regular.
Problem 3: Consider the two-link planar elbow manipulator shown below with link information: a₁ = 3,
a₂ = 3.
a2
S
3/0
Link | a | ai | di
ai
| di | 0i |
มา
02
21
02.
12
01
0 0 01
02
0
0
02
01
To
(a) Find the location of the end-effector P° if the joint angles are:
0₁ = 140°, 0₂ = 30°
(b) Find the values of joint variables 01, 02 if the robotic manipulator is commanded to reach the desired
location of Pº = [4.5, 3,0]. Notice there are possibly two sets of solutions.
(c) Also sketch the two poses of the robot for the computed joint variables.
Page 5 of 7
Problem 5: The following shows the schematic of a SCARA robot and its DH parameters. Complete the
following questions based on this information.
20
01
21
02.
22
done by
ai
α;
di
Ꮎ ;
21
d3
1
a1
0
0
0₁**
2
a2
180°
0
0%
3
0
0
d3
0
The Jacobian matrix of this robot is given below:
-a1S1a2S12
-a2S12
J(q) =
a1c1 + a2c12
0
a2C12
0
10°
(a) For a₁ = 1, a2 = 2, is q = 180° a singularity configuration of this robot?
a1
3
[10°1
(b) For a₁ = 1, a2 = 2, is q = | 0° a singularity configuration of this robot?
3
Chapter 9 Solutions
EBK COMPUTER NETWORKING
Ch. 9 - Prob. R1RQCh. 9 - Prob. R2RQCh. 9 - Prob. R3RQCh. 9 - Prob. R4RQCh. 9 - Prob. R5RQCh. 9 - Prob. R6RQCh. 9 - Prob. R7RQCh. 9 - Prob. R8RQCh. 9 - Prob. R9RQCh. 9 - Prob. R10RQ
Ch. 9 - Prob. R11RQCh. 9 - Prob. R12RQCh. 9 - Prob. R13RQCh. 9 - Prob. P1PCh. 9 - Prob. P2PCh. 9 - Prob. P3PCh. 9 - Prob. P4PCh. 9 - Prob. P5PCh. 9 - Prob. P6PCh. 9 - Prob. P7PCh. 9 - Prob. P8PCh. 9 - Prob. P9PCh. 9 - Prob. P10PCh. 9 - Prob. P11PCh. 9 - Prob. P12PCh. 9 - Prob. P13PCh. 9 - Prob. P14PCh. 9 - Prob. P15PCh. 9 - Prob. P16PCh. 9 - Prob. P17PCh. 9 - Prob. P18PCh. 9 - Prob. P19PCh. 9 - Prob. P20PCh. 9 - Prob. P21PCh. 9 - Prob. P22P
Knowledge Booster
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