1. Cisco 1 - Networking Basics Perrine. J Page 19/3/2015 Chapter 3 Which of the following correctly describes the type of signal that the network media carries? 1.Coaxial cable carries pulses of light 2.UTP cable carries impedance signals 3.STP cable carries electrical impulses 4.Fiber-optic cable carries electrical impulses

2. Cisco 1 - Networking Basics Perrine. J Page 29/3/2015 Chapter 3 Which of the following correctly describes the type of signal that the network media carries? 1.Coaxial cable carries pulses of light 2.UTP cable carries impedance signals 3.STP cable carries electrical impulses 4.Fiber-optic cable carries electrical impulses

3. Cisco 1 - Networking Basics Perrine. J Page 39/3/2015 Chapter 3 Select the characteristics specified by 10BaseT. (Choose three.) 1.twisted pair cable 2.T style connectors 3.baseband transmission 4.10 gigabits per second data rate 5.10 megabits per second data rate 6.decimal encoded data transmission

4. Cisco 1 - Networking Basics Perrine. J Page 49/3/2015 Chapter 3 Select the characteristics specified by 10BaseT. (Choose three.) 1.twisted pair cable 2.T style connectors 3.baseband transmission 4.10 gigabits per second data rate 5.10 megabits per second data rate 6.decimal encoded data transmission

5. Cisco 1 - Networking Basics Perrine. J Page 59/3/2015 Chapter 3 Which of the following describe the purpose of the conductive braid around the insulator of a coaxial cable? (Choose three.) 1.power supply conductor 2.shield for noise reduction 3.signal ground connection 4.data signal carrying conductor 5.filter to prevent signal reflections 6.secondary filter channel connector

6. Cisco 1 - Networking Basics Perrine. J Page 69/3/2015 Chapter 3 Which of the following describe the purpose of the conductive braid around the insulator of a coaxial cable? (Choose three.) 1.power supply conductor 2.shield for noise reduction 3.signal ground connection 4.data signal carrying conductor 5.filter to prevent signal reflections 6.secondary filter channel connector

7. Cisco 1 - Networking Basics Perrine. J Page 79/3/2015 Chapter 3 Which of the following is an external source of degradation of the signal on cabling? 1.EMI caused by electrical motors 2.RFI caused by light leakage 3.Impedance caused by radio systems 4.RFI caused by lighting

8. Cisco 1 - Networking Basics Perrine. J Page 89/3/2015 Chapter 3 Which of the following is an external source of degradation of the signal on cabling? 1.EMI caused by electrical motors 2.RFI caused by light leakage 3.Impedance caused by radio systems 4.RFI caused by lighting

9. Cisco 1 - Networking Basics Perrine. J Page 99/3/2015 Chapter 3 Which effects comprise impedance? (Choose three.) 1.capacitance 2.voltage 3.current 4.resistance 5.inductance 6.power

10. Cisco 1 - Networking Basics Perrine. J Page 109/3/2015 Chapter 3 Which effects comprise impedance? (Choose three.) 1.capacitance 2.voltage 3.current 4.resistance 5.inductance 6.power

11. Cisco 1 - Networking Basics Perrine. J Page 119/3/2015 Chapter 3 How does crosstalk occur? 1.Cable wires that are too large in diameter 2.Too much noise in a cable’s data signal 3.Electrical motors and lighting 4.Electrical signals from other wires in a cable

12. Cisco 1 - Networking Basics Perrine. J Page 129/3/2015 Chapter 3 How does crosstalk occur? 1.Cable wires that are too large in diameter 2.Too much noise in a cable’s data signal 3.Electrical motors and lighting 4.Electrical signals from other wires in a cable

13. Cisco 1 - Networking Basics Perrine. J Page 139/3/2015 Chapter 3 Which of the following characteristics describe STP cable? (Choose three.) 1.costs more than UTP 2.easier to install than UTP 3.uses the shield to carry data signals 4.twisted pairs are not required because of the shield 5.must be grounded at both ends for high frequency signals 6.reduces both internal and external sources of interference

14. Cisco 1 - Networking Basics Perrine. J Page 149/3/2015 Chapter 3 Which of the following characteristics describe STP cable? (Choose three.) 1.costs more than UTP 2.easier to install than UTP 3.uses the shield to carry data signals 4.twisted pairs are not required because of the shield 5.must be grounded at both ends for high frequency signals 6.reduces both internal and external sources of interference

15. Cisco 1 - Networking Basics Perrine. J Page 159/3/2015 Chapter 3 What type of UTP cable does the TIA/EIA-568B standard require for horizontal cabling? 1.Tow pairs of 100-ohm cable 2.Two pairs of 150-ohm cable 3.Four pairs of 100-ohm cable 4.Four pairs of 150-ohm cable

16. Cisco 1 - Networking Basics Perrine. J Page 169/3/2015 Chapter 3 What type of UTP cable does the TIA/EIA-568B standard require for horizontal cabling? 1.Tow pairs of 100-ohm cable 2.Two pairs of 150-ohm cable 3.Four pairs of 100-ohm cable 4.Four pairs of 150-ohm cable

17. Cisco 1 - Networking Basics Perrine. J Page 179/3/2015 Chapter 3 Which of the following describe the light used for fiber optic transmission? (Choose two.) 1.It is within the spectrum of visible light. 2.It is outside the spectrum of visible light. 3.The wavelengths are longer than red light. 4.It is within the spectrum of ultraviolet light. 5.The wavelengths are longer than visible light

18. Cisco 1 - Networking Basics Perrine. J Page 189/3/2015 Chapter 3 Which of the following describe the light used for fiber optic transmission? (Choose two.) 1.It is within the spectrum of visible light. 2.It is outside the spectrum of visible light. 3.The wavelengths are longer than red light. 4.It is within the spectrum of ultraviolet light. 5.The wavelengths are longer than visible light

19. Cisco 1 - Networking Basics Perrine. J Page 199/3/2015 Chapter 3 What is Category 5 UTP cabling suitable for? 1.Transmitting data at speeds up to 10 Mbps 2.Transmitting data at speeds up to 100 Mbps 3.10BASE-T networks 4.Token Ring networks

20. Cisco 1 - Networking Basics Perrine. J Page 209/3/2015 Chapter 3 What is Category 5 UTP cabling suitable for? 1.Transmitting data at speeds up to 10 Mbps 2.Transmitting data at speeds up to 100 Mbps 3.10BASE-T networks 4.Token Ring networks

21. Cisco 1 - Networking Basics Perrine. J Page 219/3/2015 Chapter 3 Which of the following describe the ray model of light? (Choose three.) 1.Light bends at the boundary of two transparent materials. 2.The speed of light is greatest when passing through optical glass. 3.The speed of light is constant no matter what material passes through. 4.The optical density of the material determines how much the light will bend. 5.The index of refraction is the ratio of the speed of light in a material compared to a vacuum.

22. Cisco 1 - Networking Basics Perrine. J Page 229/3/2015 Chapter 3 Which of the following describe the ray model of light? (Choose three.) 1.Light bends at the boundary of two transparent materials. 2.The speed of light is greatest when passing through optical glass. 3.The speed of light is constant no matter what material passes through. 4.The optical density of the material determines how much the light will bend. 5.The index of refraction is the ratio of the speed of light in a material compared to a vacuum.

23. Cisco 1 - Networking Basics Perrine. J Page 239/3/2015 Chapter 3 Which grade of UTP cabling described in the TIA/EIA-568B standard is the one most frequently recommended and implemented in installations today? 1.Category 2 2.Category 3 3.Category 4 4.Category 5

24. Cisco 1 - Networking Basics Perrine. J Page 249/3/2015 Chapter 3 Which grade of UTP cabling described in the TIA/EIA-568B standard is the one most frequently recommended and implemented in installations today? 1.Category 2 2.Category 3 3.Category 4 4.Category 5

25. Cisco 1 - Networking Basics Perrine. J Page 259/3/2015 Chapter 3 Which of the following are attributes of singlemode fiber optic cable? (Choose two.) 1.one path of light 2.larger fiber optic core 3.uses LEDs as a light source 4.distances up to 5000 meters 5.higher bandwidth than multimode

26. Cisco 1 - Networking Basics Perrine. J Page 269/3/2015 Chapter 3 Which of the following are attributes of singlemode fiber optic cable? (Choose two.) 1.one path of light 2.larger fiber optic core 3.uses LEDs as a light source 4.distances up to 5000 meters 5.higher bandwidth than multimode

27. Cisco 1 - Networking Basics Perrine. J Page 279/3/2015 Chapter 3 What is the point that a device uses to measure and compare incoming digital signals called? 1.Input point 2.Zero point 3.Null reference setting 4.Signal reference ground

28. Cisco 1 - Networking Basics Perrine. J Page 289/3/2015 Chapter 3 What is the point that a device uses to measure and compare incoming digital signals called? 1.Input point 2.Zero point 3.Null reference setting 4.Signal reference ground

29. Cisco 1 - Networking Basics Perrine. J Page 299/3/2015 Chapter 3 Which of the following are characteristics of fiber optic light receivers? (Choose two.) 1.react to multiple wavelengths 2.react to a specific wavelength 3.tuned to one wavelength for noise reduction 4.use PIN photodiodes to convert light pulses to electrical signals

30. Cisco 1 - Networking Basics Perrine. J Page 309/3/2015 Chapter 3 Which of the following are characteristics of fiber optic light receivers? (Choose two.) 1.react to multiple wavelengths 2.react to a specific wavelength 3.tuned to one wavelength for noise reduction 4.use PIN photodiodes to convert light pulses to electrical signals

31. Cisco 1 - Networking Basics Perrine. J Page 319/3/2015 Chapter 3 How is the signal reference ground established? 1.By connecting the ground wire to the network wire 2.By connecting the network wire to jumper connector 3.By connecting the ground plane to the computer’s cabinet 4.By connecting the computer chassis to the network cable

32. Cisco 1 - Networking Basics Perrine. J Page 329/3/2015 Chapter 3 How is the signal reference ground established? 1.By connecting the ground wire to the network wire 2.By connecting the network wire to jumper connector 3.By connecting the ground plane to the computer’s cabinet 4.By connecting the computer chassis to the network cable

33. Cisco 1 - Networking Basics Perrine. J Page 339/3/2015 Chapter 3 Which tasks must be performed when installing fiber optic cable? (Choose three.) 1.install connectors 2.inspect laser signal using a microscope 3.cleave and polish cable ends 4.wash cable ends with mild soap and water 5.protect connector ends from dirt and damage 6.pull cables tight to reduce the number of bends and twists

34. Cisco 1 - Networking Basics Perrine. J Page 349/3/2015 Chapter 3 Which tasks must be performed when installing fiber optic cable? (Choose three.) 1.install connectors 2.inspect laser signal using a microscope 3.cleave and polish cable ends 4.wash cable ends with mild soap and water 5.protect connector ends from dirt and damage 6.pull cables tight to reduce the number of bends and twists

35. Cisco 1 - Networking Basics Perrine. J Page 359/3/2015 Chapter 3 Which devices could cause problems with a wireless transmission? (Choose two.) 1.radio 2.TV 3.microwave 4.wireless phone 5.DVD remote control

36. Cisco 1 - Networking Basics Perrine. J Page 369/3/2015 Chapter 3 Which devices could cause problems with a wireless transmission? (Choose two.) 1.radio 2.TV 3.microwave 4.wireless phone 5.DVD remote control

37. Cisco 1 - Networking Basics Perrine. J Page 379/3/2015 Chapter 3 Which of the following best describes a collision? 1.The frames from two devices impact and are damaged when they meet on the physical media 2.Two nodes transmit at the same time and one data packet has priority, so it obliterates the lesser packet 3.Two data transmissions cross paths on the network media and corrupt each other 4.A data transmission is corrupted due to an energy spike over the network media

38. Cisco 1 - Networking Basics Perrine. J Page 389/3/2015 Chapter 3 Which of the following best describes a collision? 1.The frames from two devices impact and are damaged when they meet on the physical media 2.Two nodes transmit at the same time and one data packet has priority, so it obliterates the lesser packet 3.Two data transmissions cross paths on the network media and corrupt each other 4.A data transmission is corrupted due to an energy spike over the network media

39. Cisco 1 - Networking Basics Perrine. J Page 399/3/2015 Chapter 3 Which of the following are typical specifications for data transmission cables? (Choose three.) 1.achievable bit transmission speeds 2.supported data encoding schemes 3.minimum distance between hosts 4.maximum distance before fatal attenuation 5.intended transmission type 6.intended bit level protocols type

40. Cisco 1 - Networking Basics Perrine. J Page 409/3/2015 Chapter 3 Which of the following are typical specifications for data transmission cables? (Choose three.) 1.achievable bit transmission speeds 2.supported data encoding schemes 3.minimum distance between hosts 4.maximum distance before fatal attenuation 5.intended transmission type 6.intended bit level protocols type

41. Cisco 1 - Networking Basics Perrine. J Page 419/3/2015 Chapter 3 Your company has a new wireless network setup in their building. The boss has heard the throughput for a wireless network would be 11 Mbps. You mention that because of the way WLANs transmit and acknowledge data the actual percentage of throughput would be which of the following? 1.25% 2.40% 3.50% 4.70%

42. Cisco 1 - Networking Basics Perrine. J Page 429/3/2015 Chapter 3 Your company has a new wireless network setup in their building. The boss has heard the throughput for a wireless network would be 11 Mbps. You mention that because of the way WLANs transmit and acknowledge data the actual percentage of throughput would be which of the following? 1.25% 2.40% 3.50% 4.70%

43. Cisco 1 - Networking Basics Perrine. J Page 439/3/2015 Chapter 3 Which term refers to the amount of signal power loss that can be tolerated on a fiber optic link? 1.linear laser light loss 2.optical link loss budget 3.acceptable decibel power reduction 4.maximum allowable light attenuation

44. Cisco 1 - Networking Basics Perrine. J Page 449/3/2015 Chapter 3 Which term refers to the amount of signal power loss that can be tolerated on a fiber optic link? 1.linear laser light loss 2.optical link loss budget 3.acceptable decibel power reduction 4.maximum allowable light attenuation