EBK MINDTAP COMPUTING FOR DEAN/ANDREWS/
7th Edition
ISBN: 9781305658943
Author: ANDREWS
Publisher: VST
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Question
Chapter 7, Problem 14RQ
Program Plan Intro
Virtual Private Network (VPN):
- VPNs are actually virtual networks that are mainly defined for secure communication over public transmission systems.
- VPN helps to minimize the expense of leasing private point to point connections.
- Special VPN protocols are used to ensure whether a VPN can carry all types of data in a private manner. Hence these protocols encapsulate higher level protocols by a process known as tunneling.
Routing and remote access service (RRAS):
- RRAS is actually a remote access server software and VPN solution which was developed by Microsoft.
- RRAS also implements a VPN and also allows a computer to accept different remote client connections on any transmission path.
- RRAS software controls data encryption and also routes incoming packets to the destination.
Direct Access:
- Direct access which is also known as unified remote access is a VPN like technology that provides intranet connectivity to client computers when they are connected to the internet.
- Computers are connected directly when they are connected to the internet in direct access connections.
- Direct access provides a securely encrypted VPN and also can be deployed for multiple sites.
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Students have asked these similar questions
Problem 3: Consider the two-link planar elbow manipulator shown below with link information: a₁ = 3,
a₂ = 3.
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(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.
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The Jacobian matrix of this robot is given below:
-a1S1a2S12
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J(q) =
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(a) For a₁ = 1, a2 = 2, is q = 180° a singularity configuration of this robot?
a1
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(b) For a₁ = 1, a2 = 2, is q = | 0° a singularity configuration of this robot?
3
(c) Consider the following sequence of rotations:
1) Rotate by 130° about the world z-axis
2) Rotate by 45° about the current x-axis
3) Rotate by -30° about the world/fixed y-axis
Compute the resulting overall rotation matrix R. Notice that you need to provide the numerical
solution to the matrix R.
(d) Find R giving the following rotation matrices.
1
0
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R₁₁ =
2
R₁ = 0
1
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2
Chapter 7 Solutions
EBK MINDTAP COMPUTING FOR DEAN/ANDREWS/
Knowledge Booster
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