EBK NETWORK+ GUIDE TO NETWORKS
8th Edition
ISBN: 9781337671644
Author: ANDREWS
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 10, Problem 16RQ
Program Plan Intro
STP:
- STP stands for Spanning Tree Protocol is used to builds a loop-free logical topology that used for Ethernet networks.
- Preventing bridge loops and the broadcast radiation are the basic function of STP.
- It calculates paths which avoids potential loops and artificially blocks the links that would complete a loop.
- If a switch is removed, STP will re-calculate the best loop-free data paths among the remaining switches.
- The BPDU (Bridge Protocol Data Units) is used by STP for transmitting information between switches.
- The BPDU guard blocks BPDUs on any port serving network hosts.
- The BPDU filter disables STP on particular ports.
Internet Service Provider (ISP):
- An organization that provides access to the internet and related services to individual users and businesses is known as Internet Service Provider.
- Internet Service Provider accesses the internet through phone, cable, DSL (Digital Subscriber Line), satellite, or fiber optic lines for a charge.
- Internet Service Provider’s other name is Internet Access Provider.
- Internet Service Provider offers services like Internet access, Internet transit, Domain name registration, Hosting and many such.
- Internet Service Provider has been designed for different categories such as Personal, Business, School, Non-profit, Politics, Military/Private, Sports and many others.
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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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(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.
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Problem 1: Complete the following problems.
(a) Let {A}, {B}, {C}, {U} denote four frames. Given the transformations HU, HR, HG, find the
transformation matrix H.
Yeah York Austri, R. Noude that you need to provide
(b) Frame {A} has three axes denoted by RA, PA, 2A, respectively. Frame {B} is obtained by rotating about
YA by 30° and then subsequently translating along A axis by 2 units. Find the resulting
homogeneous transformation matrix HA.
Chapter 10 Solutions
EBK NETWORK+ GUIDE TO NETWORKS
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