IT Essentials (ITE v6.0) Chapter 7 Exam Answers 2018

1. How many devices can a Bluetooth device connect to simultaneously?
   • 127
   • 7*
   • 10
   • 24
   • 5
2. A device has an IPv6 address of 2001:0DB8:75a3:0214:0607:1234:aa10:ba01 /64. What is the host identifier of the device?
   • 2001:0DB8:75a3
   • 0607:1234:aa10:ba01*
   • 2001:0DB8
   • ba01
3. Which layer of the OSI model is responsible for logical addressing and routing?
   • application
   • data link
   • network*
   • transport
4. When would a printer be considered a network host?
   • when it is connected to a switch*
   • when it is connected to a workstation
   • when it is connected to a laptop
   • when it is connected to a PC
5. Which device provides wireless connectivity to users as its primary function?
   • switch
   • router
   • access point*
   • modem
6. Which technology is most often used to connect devices to a PAN?
   • coaxial cabling
   • Bluetooth*
   • fiber optic cabling
   • IEEE 802.11n wireless
7. Which three factors are reasons for a company to choose a client/server model for a network instead of peer-to-peer? (Choose three.)
   • The network is small with fewer than eight users.
   • The company network requires secure access to confidential information.*
   • The users need a central database to store inventory and sales information.*
   • Each user understands how to safely share files across a network.
   • The data gathered by the employees is critical and should be backed up on a regular basis.*
   • All employees passed a strict background check as part of the corporate hiring practices.
8. What is a characteristic of a WAN?
   • It connects multiple networks that are geographically separated.*
   • It spans across a campus or city to enable sharing of regional resources.
   • It is typically owned and managed by a single home or business.
   • It requires a wireless access point to connect users to the network.
9. Which three layers of the OSI model map to the application layer of the TCP/IP model? (Choose three.)
   • application*
   • presentation*
   • session*
   • transport
   • network
   • data link
   • physical
10. What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?
    • application, session, network, data link, physical
    • application, internet, network access, transport
    • network access, transport, internet, application
    • application, transport, internet, network access *
11. What TCP/IP model layer is responsible for MAC addressing?
    • network access*
    • internet
    • transport
    • application
12. What PDU is associated with the network layer of the OSI model?
    • data
    • frame
    • packet*
    • segment
13. Which two layers of the OSI model correspond to the functions of the TCP/IP model network access layer? (Choose two.)
    • physical*
    • data link*
    • network
    • transport
    • session
14. What is identified by the 100 in the 100BASE-TX standard?
    • the maximum bandwidth in Mb/s*
    • the maximum cable distance in meters
    • the maximum number of network nodes
    • the series number of the standard
15. Which two characteristics describe Ethernet technology? (Choose two.)
    • It is supported by IEEE 802.3 standards.*
    • It is supported by IEEE 802.5 standards.
    • It typically uses an average of 16 Mb/s for data transfer rates.
    • It uses the CSMA/CD access control method.*
    • It uses a ring topology.
16. Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?
    • 802.11n*
    • 802.11g
    • 802.11b
    • 802.11a
17. A customer is considering a multipurpose device to create a home network. Which three devices are usually integrated into a multipurpose network device? (Choose three.)
    • web server
    • switch*
    • router*
    • email server
    • wireless access point*
    • print server
18. Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
    • repeater
    • hub
    • switch*
    • router
19. A routeruses IP addresses to forward traffic from one network to other networks.
20. A network specialist has been hired to install a network in a company that assembles airplane engines. Because of the nature of the business, the area is highly affected by electromagnetic interference. Which type of network media should be recommended so that the data communication will not be affected by EMI?
    • STP
    • coaxial
    • fiber optic*
    • UTP
21. Which term describes a type of coaxial cable?
    • RG-6*
    • 568A
    • UTP
    • Cat 5e
22. Which pairs of wires change termination order between the 568A and 568B standards?
    • green and orange*
    • green and brown
    • blue and brown
    • brown and orange
23. Which two types of signal interference are reduced more by STP than by UTP? (Choose two.)
    • RFI*
    • white noise
    • MDF
    • dispersion
    • EMI*
24. How many host addresses are available on a network with a subnet mask of 255.255.0.0?
    • 65,534*
    • 254
    • 16,777,214
    • 1024
25. A technician is troubleshooting a problem where the user claims access to the Internet is not working, but there was access to the Internet the day before. Upon investigation, the technician determines that the user cannot access the network printer in the office either. The network printer is on the same network as the computer. The computer has 169.254.100.88 assigned as an IP address. What is the most likely problem?
    • The computer cannot communicate with a DHCP server.*
    • The IP default gateway on the computer is incorrect.
    • The network interface card driver needs to be updated.
    • The router that connects this network to other networks is down.
26. What is a characteristic of the UDP protocol?
    • low overhead*
    • guaranteed delivery
    • error correction
    • end-to-end establishment before delivery
      

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27. Which two statements are true of a laptop CPU when compared to a desktop CPU? (Choose two.)
    • The laptops consume more power.
    • The laptop CPUs are interchangeable with desktop CPUs.
    • The laptops are designed to produce less heat.*
    • The laptops operate at higher clock speeds.
    • The laptops use smaller cooling devices.*
28. In the power management settings, which two devices can be set to turn off to conserve battery power? (Choose two.)
    • cooling fans
    • memory
    • hard disk drive*
    • display*
    • CPU
29. What is the first step in the process of troubleshooting a laptop?
    • Verify full functionality.
    • Determine the exact cause.
    • Establish probable causes.
    • Identify the problem.*
30. What is the final task for a technician after troubleshooting a laptop?
    • Verify full functionality.
    • Correct the problem.
    • Document the problem and the solution.*
    • Implement preventive measures.
31. What can a user do to reconnect a laptop to a functioning wireless network after a laptop has been moved and the connection has been lost?
    • Reboot the operating system.
    • Plug in the power cord to the wall outlet.
    • Recharge the battery.
    • Change the orientation of the laptop.*
32. Why are SODIMMs well suited for laptops?
    • They do not produce heat.
    • They have a small form factor.*
    • They are interchangeable with desktops.
    • They connect to external ports.
33. An administrator tries to configure Power Options within Windows, but is unable to do so. What is the possible cause?
    • Thermal management has been enabled.
    • ACPI has not been enabled in the BIOS.*
    • The administrator does not have user privileges to change the settings.
    • Wake-On-LAN has been enabled.
34. A technician is trying to remove a SODIMM module from a laptop. What is the correct way to do this?
    • Pull outward by holding the center of the SODIMM module.
    • Apply downward force on the SODIMM module.
    • Press outward on the clips that hold the sides of the SODIMM.*
    • Desolder the SODIMM module.
35. What should a technician do prior to replacing a keyboard on a laptop?
    • Remove all sources of power from the laptop.*
    • Remove the LCD screen.
    • Remove the outer casing of the laptop.
    • Remove the power inverter.
36. Which two internal expansion slots in laptops are commonly used to install wireless adapter cards? (Choose two.)
    • ISA
    • PCIe
    • Mini-PCIe*
    • PCI
    • PCI Express Micro*
37. What is the next step in the troubleshooting process after a solution has been implemented on a laptop?
    • Return the device to the customer.
    • Verify the solution.*
    • Document the solution.
    • Ask the customer to explain the problem.
38. A technician notices that a laptop display appears stretched and pixelated. What is a probable cause of this?
    • The power inverter is failing.
    • The display properties are incorrectly set.*
    • The screen has been burned in.
    • The power management features are incorrectly set.
    • One of the RAM modules is failing.
39. Which statement is true about laptops?
    • Most of the internal components that are designed for laptops cannot be used for desktops.*
    • Laptop CPUs do not use cooling devices.
    • Laptops use fewer components than desktops use.
    • Laptop motherboards have standard form factors.
40. What is a definition for CPU throttling?
    • overclocking
    • upgrading the CPU without changing the motherboard
    • the sharing of processing between two or more cores
    • the ability to modify CPU clock speed as needed*
41. What is the purpose of the eject button on a laptop docking station?
    • to open the CD/DVD tray
    • to detach the laptop from the docking station*
    • to disconnect a USB device
    • to remove the laptop battery
42. Which key sequence may be used to control whether the content of the screen will be presented on a built-in display or on an external display?
    • Fn + *
    • Shift +
    • Ctrl +
    • Alt +
43. What would be the most effective preventive maintenance routine for company laptops that are subject to high use?
    • a reactive routine that is performed monthly
    • a proactive routine that is performed monthly and as needed*
    • a proactive routine that is performed every six months
    • a reactive routine that is performed only as needed
44. To clean laptops, which two products are recommended? (Choose two.)
    • car wax
    • rubbing alcohol
    • cotton swabs*
    • ammonia
    • mild cleaning solution*
45. A technician has been asked to decide which laptop components should be cleaned on a monthly basis as part of a maintenance routine. What are two examples of components that should be included? (Choose two.)
    • CPU
    • hard disk platters and heads
    • exterior case*
    • keyboard*
    • RAM
46. A technician has installed a wireless Ethernet card in a Windows 7 laptop. Where would the technician configure a new wireless connection?
    • Control Panel > Networking and Sharing Center > Set up a new connection or network*
    • Control Panel > System > Device Manager
    • Control Panel > Administrative Tools > Services
    • Control Panel > Internet Options
47. Which component or components would be interchangeable between a laptop and and a desktop PC?
    • CPU
    • peripheral devices*
    • motherboard
    • power supply
48. A user needs to connect a Bluetooth device to a laptop. Which type of cable is needed to accomplish this?
    • USB cable
    • EIA/TIA 232 cable
    • None. Bluetooth connections are wireless.*
    • parallel cable
    • VGA cable