Understand Your Skills And Abilities To Make Sure That You Are

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TECHNICAL KNOWLEDGE TEST IITEST GUIDEWHY DO AT&T AND ITS AFFILIATES TEST?At AT&T, we pride ourselves on matching the best jobs with the best people. To do this, we need to betterunderstand your skills and abilities to make sure that you are indeed the right match for the job. Ourultimate goal is to set you up for success in your career at AT&T (that is, if AT&T is the right match foryou). Research has shown that tests provide accurate measures of people’s skills and abilities and,therefore, we use tests to identify people who are the best match for the job. Our philosophy is simple ifyou succeed in your role, then we succeed as a company.WHAT IS THE TECHNICAL KNOWLEDGE TEST II (TKT II)?The TKT II is designed to measure an individual's knowledge of technical concepts required to performcertain technical jobs in AT&T. Study materials are not provided. The job-related knowledge assessedmust be acquired prior to testing.The technical concepts fall into the following five categories: Basic ElectricityBasic Computer KnowledgeDigital Communication and TransmissionRead and Interpret Technical InformationBasic MathThese concepts are generic; that is, they apply to all fields that use them and not only to thetelecommunications industry. The following technical concepts are covered in the test:Alternating Current (AC) and Direct Current (DC)Basic Electrical Circuits, including open/closed, shorts,grounds, wiring, etc.Basic Electrical Transmission and WaveformsElectrical ConductorsElectrical Flow, Power, Resistance, and CurrentElectrostatic DischargeElectrical FusesIdentify and use various electrical units such as Voltage,Current, Resistance, and PowerImpedanceSignal Noise and DistortionPotential Differences, Batteries, Float Voltage, Grounding,and ConductanceElectrical Safety PracticesBasic and Intermediate Computer Functions, includingusing: Start Menu, Task Bar, Accessories/System Tools, MyComputer, Control Panel, Device Manager, NetworkNeighborhood/My Network Places, windows, saving files,etc.Basic Computer Software functionsDigital Transmission, including advantages anddisadvantages, Digital/Analog Conversion, Bit Frame, BitStream, T-carriers – hierarchy, overhead, framing, and dataratesUnits of Measurement, including Binary SystemRead and interpret technical instructions, schematicdiagrams, flowcharts, etc.Basic Math (Addition, subtraction, multiplication, anddivision), positive and negative numbersElectrical Insulation1AT&T Proprietary7/17

TECHNICAL KNOWLEDGE TEST IITEST GUIDEWHAT CAN I EXPECT TO SEE ON THE TEST?The TKT II consists of 100 multiple-choice questions and takes 1 hour and 40 minutes complete. SAMPLE QUESTIONSBasic Electricity1. What kind of circuit has a complete current path?A. OpenB. GroundedC. ClosedD. IncompleteThe correct answer is C.2. What is the term used to describe the ability of a device to store energy in the form of an electrical charge?A. InductanceB. CapacitanceC. ConductanceD. ReactanceThe correct answer is B.Computer, Internet and Network Knowledge1. Which of the following application is a database application?A. WordB. Internet ExplorerC. AccessD. Mozilla FirefoxThe correct answer is C.2. Which of the following is a program or device designed to protect a network by preventing unauthorizedusers from gaining access or by monitoring transfers of information to and from the network?A. A FirewallB. MS OutlookC. Antivirus Software PackageD. Virtual Private Network (VPN)The correct answer is A.2AT&T Proprietary7/17

TECHNICAL KNOWLEDGE TEST IITEST GUIDEDigital Communication and Transmission1. What is the term for an electrical signal with only two states?A. AnalogB. LinearC. Sine WaveD. DigitalThe correct answer is D.2. According to the OSI Reference Model, what is the lowest layer?A. Data linkB. NetworkC. PhysicalD. ApplicationThe correct answer is C.Electrical Safety Practices1. A fuse is a safety device activated when:A. the resistance looking into the load is low.B. the current through it is too high.C. the load goes on an open circuit.D. the voltage across it is too high.The correct answer is B.2. When it comes to safety around electrical equipment, you should:A. Assume that all metal objects are safe to the touch until tested positive.B. Never touch electrical equipment.C. Follow manufacture directions.D. Ask the customer which equipment is turned off, then proceed to work on it.The correct answer is C.3AT&T Proprietary7/17

TECHNICAL KNOWLEDGE TEST IITEST GUIDEApplied Math1. The binary sum of 10001 and 1111 is:A. 011110B. 111111C. 111110D. 100000*The correct answer is D.2. One piece of equipment produces twice the output of another. If the second piece of equipment produces200 output units, how many output units does the first produce?A. 20B. 100C. 400D. 50The correct answer is B.WHAT CAN I DO TO PREPARE FOR THE TEST?At AT&T, our goal in testing is not to cause you to fail; rather, our intent is to set our employees up forsuccess. Remember, we succeed when you succeed. The best way for you to succeed on a given test is toadequately prepare. As illustrated, the TKT II requires specific technical knowledge. Acquiring thisknowledge through coursework or independent study is the best way to prepare to take the test. Keep inmind, however, that completion of coursework or independent study will not guarantee that you willpass the test. It is important that you have an understanding of the material presented in the course orobtained through independent study.HOW WILL THIS TEST BE ADMINISTERED?A member of our Staffing team will provide you with the time and location for your testing session. Try toarrive at the location at least 15 minutes before your scheduled test time to give yourself time to relaxbefore the test begins. You may want to bring a jacket or a sweater in case the temperature in the testinglocation is not to your liking. Feel free to ask questions before the test begins, and be sure you understandthe format of the TKT II.4AT&T Proprietary7/17

TECHNICAL KNOWLEDGE TEST IITEST GUIDEWHAT CAN I DO TO PERFORM MY BEST ON THE TEST? Read questions carefully.Think - reason out your answer.Answer questions you are sure of first.Reject immediately those answers you know are incorrect.Don't change your answers unless an obvious mistake has been detected.There is no penalty for guessing, so it is in your best interest to answer every question.Be aware of the time (make a mental note of the time when the test begins and pace yourselfaccordingly).RETEST INTERVALSIf you do not qualify on the TKT II, do not be discouraged. Perhaps, this would indicate that this positionis really not the best match for you. Who knows – perhaps a better, more closely matched opportunityawaits you. If you feel strongly that this is the right position for you, then you may retest at six-monthintervals. However, please note that test standards are periodically updated to reflect current abilitiesand skills required for our jobs. Therefore, it may be necessary to meet new test standards should they beintroduced prior to your placement on the job.SUMMARYWhen you succeed in your job, AT&T succeeds as a company! Successful completion of the TKT II testqualifies you for possible placement into jobs requiring this test. Additional testing may be required forcertain positions. See job briefs in your area for additional testing requirements for titles you areinterested in.Thank you for your interest in starting (or expanding) your career at AT&T!AT&T and its affiliates support and comply with the provisions of the Americans with Disabilities Act (ADA) and otherFederal and State laws that specifically assist individuals with disabilities. If you have a limiting disability and needspecial testing arrangements, please ask your local Employment Office or Placement Bureau personnel forinformation about the testing accommodation process.5AT&T Proprietary7/17

4 AT&T Proprietary 7/17 TECHNICAL KNOWLEDGE TEST II TEST GUIDE Applied Math 1. The binary sum of 10001 and 1111 is: A. 011110 B. 111111 C. 111110

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