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1.Doubling the operating frequency of a capacitive circuit:
A. doubles the amount of a capacitive reactance
B. has no effect on the capacitive reactance
C. cuts the capacitive reactance in half
D. doubles the amount of a capacitive reactance
2.The net charge of a neutral copper atom is
A. 0
B. 1
C. -1
D. 0
3.Which one of the following statements is true for the voltage in a parallel RL circuit?
A. The voltage always has the same amplitude and phase for every part of the circuit
B. The total voltage is equal to the sum of the voltages across the resistance and inductance
C. The total voltage lags the total current by less than 90
D. The voltage always has the same amplitude and phase for every part of the circuit
4.A low-pass filter:
A. passes lower-frequency signals and reduces higher-frequency signals
B. passes higher-frequency signals and reduces lower-frequency signals
C. has no effect on ac signals
D. passes lower-frequency signals and reduces higher-frequency signals
5.What is one important thing transistors do?
A. Emit light
B. Amplify weak signals
C. Regulate voltage
D. Emit light
6.At room temperature an intrinsic silicon crystal acts approximately like
A. a battery
B. a conductor
C. an insulator
D. a battery
7.What is the algebraic sum of this series of values:+2, -3, -6,+4?
A. -6
B. -3
C. 0
D. -6
8.When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a:
A. parallel RL circuit
B. parallel RC circuit
C. parallel RLC circuit operated above its resonant frequency
D. parallel RL circuit
9.What causes the depletion layer?
A. Doping
B. Recombination
C. Barrier potential
D. Doping
10.Which one of the following statements most accurately reflects the nature of ac power?
A. The current in an ac circuit flows in one direction, but changes value periodically
B. The current in an ac circuit flows in one direction at a steady level
C. The current in an ac circuit changes direction periodically
D. The current in an ac circuit flows in one direction, but changes value periodically
11.A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage?
A. 700 V
B. 707 V
C. 651 V
D. 700 V
12.Which one of the following principles best describes the basic operation of a generator?
A. Like magnetic poles repel; unlike poles attract
B. Current is induced in a conductor that is moving through a magnetic field
C. Like magnetic poles attract; unlike poles repel
D. Like magnetic poles repel; unlike poles attract
13.The current gain of a transistor is defined as the ratio of the collector current to the
A. base current
B. emitter current
C. supply current
D. base current
14.What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm?
A. 220 ohm
B. 150 ohm
C. 445 ohm
D. 220 ohm
15.The equivalent of 1 kV is:
A. 1.00 V
B. 1000 V
C. 100 mV
D. 1.00 V
16.The period of a waveform is:
A. the time required to complete one full cycle
B. the number of cycles completed in one second
C. the time required for the voltage to rise from 10% to 90% of the peak amplitude
D. the time required to complete one full cycle
17.How do you configure a printing pool?
A. Associate one print device with multiple printers
B. Associate multiple print devices with one printer
C. Associate multiple print devices with multiple printers
D. Associate one print device with multiple printers
18.You want to connect 2 networks that are both lOBaseT Ethernet networks. The 2 networks are located in separate buildings so that they are approximately 1,000 meters apart. Which media should you use?
A. Type 1 STP Cable
B. RG-58 A/U Coaxial Cable
C. fiber-optic cable
D. Type 1 STP Cable
19.You install Windows NT Server on a computer, making the computer a backup domain controller in an existing domain. After installation, you discover that you used the wrong domain name. What should you do?
A. Change the domain name by using Control Panel
B. Modify the domain name in the Registry
C. Reinstall Windows NT Server
D. Change the domain name by using Control Panel
20.In your company, 2 Ethernet Networks are connected with a router. All network connections run TCP/IP. Your new client computer can access only the computers on your side of the router. All other computers are able to access one another. What is the most likely cause of the problem?
A. incorrect termination of the destination network
B. defective network adapter in the router
C. incorrect subnet mask on your client computer
D. incorrect termination of the destination network
21.From your client computer, you are able to access several servers on your 10Base2 Ethernet network. However, you are NOT able to access a server names RED. Other client computers are able to access RED. What is the most likely cause of the problem?
A. There is an incorrect IRQ setting on the network adapter in your client computer
B. There is a break in the cable
C. There is a protocol mismatch between your client computer and RED.
D. There is an incorrect IRQ setting on the network adapter in your client computer
22.Windows Naming Service (WINS)
A. dynamically allocates IP addresses to client computers
B. runs on Windows NT W/S
C. resolves computer names to IP addresses
D. dynamically allocates IP addresses to client computers
23.What must you do to create a printer pool containing four shared printers on your Windows NT Server computer?
A. Set up all the printers to share the same parallel port
B. Set individual printer properties for each printer
C. Set up all printers as network-interface printer devices
D. Set up all the printers to share the same parallel port
24.Assume, you are the administrator of the TUNA domain. You need to allow Lisa from the BASS domain to administrate the TUNA domain while you are on vacation. A one-way trust relationship has been set up so that TUNA trusts BASS. Which group assignments would accomplish your needs?
A. Create a global group in the TUNA domain called Tuna-Admins that contains the BASSWLisa user account. Add the Tuna-Admins group to the local Administrators group in TUNA
B. Create a local group in TUNA called Tuna-Admins that contains the BASSWLisa user account. Add the Tuna-Admins group to the global Domain Admins group in TUNA
C. Create a global group in BASS called Gbl-Admins that contains the Lisa user account. Add the BASSGbl-Admins group to the local Administrators group in TUNA
D. Create a global group in the TUNA domain called Tuna-Admins that contains the BASSWLisa user account. Add the Tuna-Admins group to the local Administrators group in TUNA
25.Which of the following statements about a local group account created by User Manager for Domains is true?
A. The account can be added to global groups
B. The account cannot be used in trusting domains
C. The account is added to the Domain Users group automatically
D. The account can be added to global groups
26.Peter uses a Microsoft Windows 95 computer. What should he do to be able to administer domain user accounts from his computer?
A. install User Manager for Domains on his computer
B. install the Client-based Network Administration Tools on his computer
C. install Windows NT Server on his computer
D. install User Manager for Domains on his computer
27.You are setting up a network in a school. You need to network 5 computers for the file and printer sharing. You want to use some donated cable and Ethernet adapters. You identify the donated adapters as ARCnet coaxial network adapters and 10Base2 Ethernet network adapters. You install an Ethernet adapter in each of the 5 computers and connect the donated cable. The computers are NOT able to maintain reliable communication. You suspect that you are NOT using the correct type of coaxial cable. Which type of coaxial cable should you be using?
A. RG-58 AU
B. RG-59 AU
C. RJ-11
D. RG-58 AU
28.The rating in bits per second for UTP Cat 5 wiring is
A. 100 Mbps
B. 10Mbps
C. 4Mbps
D. 100 Mbps
29.In building cabling, horizontal wiring from the telecommunications closet (TC) to the wall outlet has a distance limitation of
A. 3 meters
B. 6 meters
C. 90 meters
D. 3 meters
30.Which layers of the OSI model are managed by a network protocol such as Microsoft NetBEUI?
A. network and transport
B. physical and data link
C. transport and session
D. network and transport
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