In the network in the figure, find Z( jw) at a frequency of 60 Hz if R1 = 1W;R2 = 6W;C = 690μF, and L = 34mH. Enter complex numbers as either a+bi, i.e., 3+4i, or ae^(bi) where b is in radians, i.e., 5e^(0.927i). The radial frequency, w = rad=s The impedance of the capacitor is ZC = W The impedance of the inductor is ZL = W The input impedance is Z = W

## In the network in the figure, find Z( jw) at a frequency of 60 Hz if R1 = 1W;R2 = 6W;C = 690μF, and L = 34mH. Enter complex numbers as either a+bi, i.e., 3+4i, or ae^(bi) where b is in radians, i.e., 5e^(0.927i). The radial frequency, w = rad=s The impedance of the capacitor is ZC = W The impedance of the inductor is ZL = W The input impedance is Z = W

Correct Answers:  377  -3.84433370200494i  12.81766i  9.4599167479303+0.165394427824697i

use mesh analysis to find V in the network in Fig P3.60

## use mesh analysis to find V in the network in Fig P3.60

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After reading the supplement article on Business Analytics linked to the week 1 schedule, write an essay on how business analytics impacts you today, or its potential role in your chosen career path. Do research for your paper, or interview someone who works in your area. The goals of this paper are two-fold: (1) focus on high quality writing, using the COBE Writing Styles Guide for writing help and citations. (2) consider the importance of BI from a personal/work/career perspective.

## After reading the supplement article on Business Analytics linked to the week 1 schedule, write an essay on how business analytics impacts you today, or its potential role in your chosen career path. Do research for your paper, or interview someone who works in your area. The goals of this paper are two-fold: (1) focus on high quality writing, using the COBE Writing Styles Guide for writing help and citations. (2) consider the importance of BI from a personal/work/career perspective.

Find RL in the network above in order to achieve maximum power transfer. Take V1 =10V;R1 =6kW;R2 =8kW;R3 =10kW and R4 = 10kW. RL = kW The open circuit voltage (with RL removed) is V. The power dissipated in the load resistor is PL = mW.

## Find RL in the network above in order to achieve maximum power transfer. Take V1 =10V;R1 =6kW;R2 =8kW;R3 =10kW and R4 = 10kW. RL = kW The open circuit voltage (with RL removed) is V. The power dissipated in the load resistor is PL = mW.

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Part I. (20%) Multiple Choice Questions (only one answer) 1. What is the SS7 A-link? a. Signaling Link between SSP and STP b. Signaling Link between STP and STP c. Signaling Link between SCP and SCP d. Signaling Link between SSP and SSP 2. How is a TDM trunk identified on the SS7 network? It is identified by _____. a. IP Address b. ISDN B channel c. UDP port number d. Circuit Identificaiton Code (CIC) 3. What is the layer-3 protocol for ISUP? a. IP b. Q.931 c. MTP3 d. TCAP 4. Which of the following signaling is required to support Local Number Portability (LNP)? a. SIP b. Q.931 c. SS7 d. MGCP 5. Which of the following signlaing is NOT supported on the local telephone switch? a. ISDN/Q.931 b. SIP c. SS7 d. Station Signaling 6. Which of the following protocol is used by Advanced Intelligent Network (AIN) for remote database query? One of the AIN features is 1-800/1-900 calls. a. TCAP b. ISUP c. MGCP d. SIP 7. Which of the following is an NNI signaling? a. ISDN/Q.931 b. SIP c. MGCP d. SS7 8. Which of the following message is used by Access Media Gateway (MG) to inform Media Gateway Controller (MGC) that a phone is off-hook? a. NTFY b. RQNT c. CRCX d. MDCX 9. Which of the following device supports codec (such as G.711)? a. Media Gateway Contoller b. Media Gateway (Access Gateway) c. Analog Phone d. Signaling Transfer Point (STP) 10. In MGCP, a connection is _______________ ? a. The same as a TCP connection b. The same as a phone call. c. An end-point and its associated RTP session. d. A TDM channel identified by CIC Part II Questions (10%). 1. Provide two reasons for separating Media Gateway Controller (MGC) and Media Gateway. Media gateways are often controlled by a separate Media Gateway Controller which provides the call control and signaling functionality. 2. Identify the signaling between the network devices. (enter N/A if not applicable) 1 Media Gateway Controller Media Gateway Controller 2 Media Gateway Controller Media Gateway 3 Media Gateway Controller Class-5 (local) Switch 4 Media Gateway Controller SIP Proxy 5 Media Gateway Media Gateway Part III (20%) Call Flow Diagram and protocol stacks Media Gateway Controller (MGC) also has the function of SS7 Signaling Gateway. 1. Show the call flow diagram from Phone-22 (SIP) to Phone-33 (SIP). 2. Show the call flow diagram from Phone-41 (analog) to Phone-42(analog) over the VoIP Carrier Network. Note: each signaling message is an arrow with its own label. Do not use one arrow and one label to represent multiple messages.

## Part I. (20%) Multiple Choice Questions (only one answer) 1. What is the SS7 A-link? a. Signaling Link between SSP and STP b. Signaling Link between STP and STP c. Signaling Link between SCP and SCP d. Signaling Link between SSP and SSP 2. How is a TDM trunk identified on the SS7 network? It is identified by _____. a. IP Address b. ISDN B channel c. UDP port number d. Circuit Identificaiton Code (CIC) 3. What is the layer-3 protocol for ISUP? a. IP b. Q.931 c. MTP3 d. TCAP 4. Which of the following signaling is required to support Local Number Portability (LNP)? a. SIP b. Q.931 c. SS7 d. MGCP 5. Which of the following signlaing is NOT supported on the local telephone switch? a. ISDN/Q.931 b. SIP c. SS7 d. Station Signaling 6. Which of the following protocol is used by Advanced Intelligent Network (AIN) for remote database query? One of the AIN features is 1-800/1-900 calls. a. TCAP b. ISUP c. MGCP d. SIP 7. Which of the following is an NNI signaling? a. ISDN/Q.931 b. SIP c. MGCP d. SS7 8. Which of the following message is used by Access Media Gateway (MG) to inform Media Gateway Controller (MGC) that a phone is off-hook? a. NTFY b. RQNT c. CRCX d. MDCX 9. Which of the following device supports codec (such as G.711)? a. Media Gateway Contoller b. Media Gateway (Access Gateway) c. Analog Phone d. Signaling Transfer Point (STP) 10. In MGCP, a connection is _______________ ? a. The same as a TCP connection b. The same as a phone call. c. An end-point and its associated RTP session. d. A TDM channel identified by CIC Part II Questions (10%). 1. Provide two reasons for separating Media Gateway Controller (MGC) and Media Gateway. Media gateways are often controlled by a separate Media Gateway Controller which provides the call control and signaling functionality. 2. Identify the signaling between the network devices. (enter N/A if not applicable) 1 Media Gateway Controller Media Gateway Controller 2 Media Gateway Controller Media Gateway 3 Media Gateway Controller Class-5 (local) Switch 4 Media Gateway Controller SIP Proxy 5 Media Gateway Media Gateway Part III (20%) Call Flow Diagram and protocol stacks Media Gateway Controller (MGC) also has the function of SS7 Signaling Gateway. 1. Show the call flow diagram from Phone-22 (SIP) to Phone-33 (SIP). 2. Show the call flow diagram from Phone-41 (analog) to Phone-42(analog) over the VoIP Carrier Network. Note: each signaling message is an arrow with its own label. Do not use one arrow and one label to represent multiple messages.

Part I. Multiple choice (20 points)   … Read More...
My Success Assignment ‘where you want to be in ten years’ Objective Make a plan and try to see all the details. Does some research, ask questions, and consider what it’s going to take to get where you want to be.

## My Success Assignment ‘where you want to be in ten years’ Objective Make a plan and try to see all the details. Does some research, ask questions, and consider what it’s going to take to get where you want to be.

My Road map for career planning is based on … Read More...
Determine the inductance at terminals A ? B in the network shown above. Take the inductor values to be L1 = 7mH;L2 = 8mH;L3 = 3mH;L4 = 10mH;L5 = 7mH;L6 = 5mH and L7 = 5mH. Redraw the schematic after combining parallel or series inductors. LAB = mH