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1. Which computer component contains all the circuitry necessary for other components or devices to communicate with one another? Answer: A. Motherboard 2. You are told by a technician over the phone that you need to bring replacement DDR4 SDRAM memory. What type of packaging is used for DDR4 SDRAM memory? Answer: B. 240-pin DIMM 3. You need to replace memory in a desktop PC and go to purchase RAM. When you are at the store, you need to find the appropriate type of memory. What memory chips would you find on a stick of PC3-16000? Answer: C. DDR3-1600 4. A client wants you to build a new PC for her, with a smaller case and lower power requirements. When selecting a motherboard, which form factor should you choose for a smaller size and lower power consumption? Answer: D. ITX 5. A motherboard failed on a desktop PC with an Intel Core i5-10600K processor. When you are looking for a replacement motherboard, which CPU socket does it need to have? Answer: C. LGA 1200 6. You have just replaced a processor in a computer and now need to add a cooling mechanism. What should you use to attach the cooling system to the processor? Answer: B. Thermal paste 7. A technician asks you how to get a computer’s processor to run faster than it currently does. What are they trying to achieve? Answer: B. Overclocking 8. You are assembling a new computer and are looking at new cooling systems. Which of the following cooling systems requires the use of a pump? Answer: A. Liquid 9. Which of the following types of processors will likely generally be preferred for mobile devices? Answer: C. ARM 10. You press the front power button on a computer and the system boots. Later, you press it briefly and the system hibernates. When you press it again, the system resumes. You press and hold the button and the system shuts down. What is this feature called? Answer: B. Soft power 11. You are training new technicians to install RAM and pointing out differences between packages. Which of the following are the numbers of pins that can be found on DIMM modules used in desktop motherboards? (Choose two.) Answers: B. 184 and F. 240 12. You are installing a new computer, and the user wants to use virtualization. Which hardware components need to support virtual technology for this to work properly? (Choose two.) Answers: B. Motherboard and C. CPU 13. You find out that a disgruntled ex-employee’s computer has a boot password that must be entered before the operating system is ever loaded. There is also a password preventing your access to the BIOS utility. Which of the following motherboard components can most likely be used to return the computer to a state that will allow you to boot the system without knowing the password? Answer: D. Jumper 14. Your Core i5 fan has a 4-pin connector, but your motherboard only has a single 3-pin header with the CPU_FAN label. Which of the following will be the easiest solution to get the necessary cooling for your CPU? Answer: B. Buy a 4-pin to 3-pin adapter. 15. You are installing a new video card into a PCIe slot. What is the combined total throughput of a PCIe 2.0 x16 slot? Answer: D. 32 GBps 16. Which of the following allows you to perform the most complete restart of the computer without removing power? Answer: A. Start ➢ Restart

17. You have just found out that a new UEFI upgrade exists for your computer, and you obtain a copy on a flash drive to install it. Which of the following is most helpful when flashing the UEFI on a desktop computer system? Answer: B. Uninterruptible power supply 18. The 32 GB of DDR4 memory has failed in a client’s desktop computer. The client requests that you upgrade the system for better performance when replacing the RAM. Which of the following is the best option? Answer: B. Install two new 128 GB DDR4 RAM modules. 19. You are replacing an HP laptop’s motherboard. Which type of motherboard should you use? Answer: C. One for the specific model 20. You need to install a new video card into a desktop computer. What type of expansion slot is preferred today for high-performance graphics adapters? Answer: B. PCIe Here are the answers to the review questions: 1. You are installing a new graphics adapter in a Windows 10 system. Which of the following expansion slots is designed for high-speed, 3D graphics adapters? Answer: D. PCIe 2. You need to install a new hard drive into a desktop computer. Which of the following is not one of the three major components of a hard disk drive system? Answer: D. Host adapter 3. You install a new NIC for a user, and he asks what it does. Which of the following best characterizes the functions of this device? Answer: B. Communications 4. A client wants to ensure that their server does not lose power if their power supply fails. Which of the following best describes the type of power supply needed in this situation? Answer: D. A redundant power supply 5. A client is looking for a desktop storage technology that provides the fastest possible data transfers. Which technology should you recommend? Answer: B. NVMe 6. You are choosing an optical drive format for a client. Which optical disc format supports a data capacity of 25 GB? Answer: B. Single-sided, single-layer Blu-ray Disc 7. Which of the following best describes the concept of hot-swappable devices? Answer: A. Power does not need to be turned off before the device is inserted or removed. 8. Of the following voltage pairings, which one accurately represents the input and output, respectively, of power supplies and AC adapters? Answer: C. AC in, DC out 9. What are the output voltages that have been commonly produced by PC power supplies over the years? (Choose five.) Answers: A. +3.3VDC, C. +5VDC, E. +12VDC, F. - 12VDC, B. -5VDC 10. You are installing a new power supply in a desktop computer. Which of the following statements about power supplies is true? Answer: D. Power supplies convert AC input to DC output. 11. You have been asked to install a new hard drive for a client. Which of the following is not a consideration when installing an internal storage device? Answer: C. Due to the high revolutions at which modern hard drives spin, you must secure an external power source because the internal power supplies do not have the capacity.

12. A client just bought a new digital camera for his photography business. Which of the following is specifically designed as an internal storage device for cameras? Answer: A. Memory cards 13. When installing multiple add-on cards of the same type, which type of cards might you need to bridge together to function as a single unit? Answer: D. eSATA 14. You are purchasing a new video card for a desktop computer. For the best performance, which type of video card should you purchase? Answer: E. PCIe x16 15. Which of the following is not a consideration when upgrading power supplies? Answer: D. You might find that you do not have enough of the appropriate connectors coming from the power supply for the devices that you have installed. 16. You are choosing a flash standard for a client. They want the smallest flash cards possible. Which standard should you recommend? Answer: C. microSD 17. Your goal is to build the fastest computer possible. Which of the following hard drive technologies should you choose for the fastest read performance? Answer: C. NVMe PCIe 18. You have been asked to configure a RAID 5 system for a client. Which of the following statements about RAID 5 is true? Answer: D. It requires at least three drives to implement. 19. You have a motherboard with integrated video, and the video fails. You install a video add-on card. Which of the following statements are the most accurate? (Choose two.) Answers: D. For the card to work properly, you might need to disable the integrated video in the BIOS, E. The add-on card will work properly by using the integrated card’s video driver. 20. When replacing a power supply, which of the following tends to vary among power supplies and must be chosen properly to support all connected devices? Answer: A. Wattage ChatGPT Here are the answers to the review questions: 1. Which of the following could be used with an analog monitor? (Choose two.) Answers: B. DVI-A and E. VGA 2. You are attaching an external hard drive to a computer with USB 2.0 ports. The user is concerned about data transfer speed. What is the maximum speed of USB 2.0? Answer: A. 480 Mbps 3. You got a new desktop computer for a designer at your company. On the front panel is a rectangular yellow USB port. What does that mean? Answer: B. It’s USB 3.0. 4. You are installing a replacement monitor on a desktop computer. Which of the following is true regarding a monitor’s refresh rate? Answer: A. As long as the graphics adapter can refresh the image at a particular rate, the attached monitor can accommodate that refresh rate. 5. Which of the following connector types is typically not associated with hard drive use? Answer: A. USB-C

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6. The company photographer is interested in buying a new digital camera. He wants to be able to plug it directly into his laptop to transfer pictures for editing. What type of connector will most likely be on his camera? Answer: A. Mini-USB 7. You are installing a new video card that has an HDMI port. Which of the following is true about HDMI cables? (Choose all that apply.) Answers: B. They can transmit audio as well as video and D. They can use HDMI or mini-HDMI connectors. 8. Which of the following display interfaces is equivalent to DisplayPort with PCIe added in? Answer: A. Thunderbolt 9. Which two of the following standards use the same connector? (Choose two.) Answers: B. Thunderbolt 3 and D. USB 2.0 10. How do you connect a DVI-A interface on a peripheral to a DVI-D interface on the computer? Answer: C. You wouldn’t interconnect those two interfaces. 11. A technician says he needs to provide power to an older IDE hard drive and a DVD- ROM in a desktop. The computer now has a new fully modular power supply, and the technician wants to know what type of power connectors he should use. What do you tell him? Answer: D. Molex 12. Which of the following connectors is oval shaped? Answer: C. Thunderbolt 2 13. Which of the following connector types are capable of conducting power and transmitting data? (Choose all that apply.) Answers: A. Lightning, C. USB-C, and E. Micro-USB 14. Which of the following statements is true about eSATA cables and connectors? Answer: D. eSATA maximum throughput is 6 Gbps. 15. Which of the following is not an example of a connector for a standard peripheral input device? Answer: D. USB 16. You are asked to hook up a projector in a classroom. What type of cable are you most likely to need? Answer: C. HDMI 17. A user with an iPhone 12 needs to charge her device and asks you to bring a cable. Which of the following connector types should you ensure that the cable has? Answer: B. Lightning 18. Which of the following types of cables will transfer data at the slowest rate? Answer: B. Serial 19. What is the maximum data transfer rate of USB High Speed? Answer: C. 480 Mbps 20. VGA cables use what type of signal between the adapter and monitor? Answer: B. Analog ChatGPT Here are the answers to the review questions: 1. Which voltage is applied to the paper to transfer the toner to the paper in an EP process laser printer? Answer: A. +600VDC 2. Which types of printers are referred to as page printers because they receive their print job instructions one page at a time? (Choose two.) Answers: D. Laser and E. Thermal 3. Which of the following is not an advantage of a Universal Serial Bus (USB) printer interface? Answer: D. It allows the printer to communicate with networks, servers, and workstations.

4. You have a finance manager who needs to print contracts in triplicate. Which type of printers are best for printing on multipart forms? Answer: D. Dot-matrix printers 5. Which step in the EP imaging process uses a laser to discharge selected areas of the photosensitive drum, thus forming an image on the drum? Answer: A. Exposing 6. Which of the following is fed through an extruder on a 3D printer to create objects? Answer: C. Filament 7. Recently, employees have been printing off unauthorized materials that may contain hate speech. Which of the following can be used to see which users printed specific jobs? Answer: A. Audit logs 8. Which device in an inkjet printer contains the print head? Answer: B. Ink cartridge 9. What is the correct order of the steps in the EP imaging process? Answer: B. Charging, processing, exposing, developing, transferring, fusing, cleaning 10. The network administrator has set up security on office MFDs that requires users to authenticate before printing. Which of the following are valid methods for users to authenticate to the MFD? (Choose two.) Answers: C. Type their username and password on the MFD’s touchscreen and E. Use their company ID for badging. 11. What is typically included in the EP laser printer toner cartridge? (Choose three.) Answers: A. Toner, B. Print drum, and D. Cleaning blade 12. What happens during the developing stage of laser printing? Answer: D. An electrostatic charge is applied to the paper to attract toner particles. 13. Which of the following are possible interfaces for printers? (Choose three.) Answers: A. Parallel, C. USB, and D. Network 14. You have just installed a new printer, but it prints only garbled text. Which of the following is likely the problem? Answer: C. Incorrect printer drivers 15. Which printer contains a wheel that looks like a flower with raised letters and symbols on each “petal”? Answer: B. Daisy-wheel printer 16. What part of a laser printer supplies the voltages for charging and transferring corona assemblies? Answer: A. High-voltage power supply (HVPS) 17. Which printer part gets the toner from the photosensitive drum onto the paper? Answer: C. Corona assembly 18. Which step in the laser printer printing process occurs immediately after the exposing phase? Answer: D. Developing 19. Which laser printer component permanently presses the toner into the paper? Answer: B. Fuser assembly 20. Which of the following most accurately describes how to obtain a firmware upgrade for your laser printer? Answer: A. Download the firmware upgrade for free from the manufacturer’s website. The answers to the chapter review questions can be found in Appendix A. 1. ____________________ is immune to electromagnetic or radio-frequency interference. A. Twisted pair cabling B. CSMA/CD C. Broadband coaxial cabling D. Fiber- optic cabling 2. Which of the following is a type of connector used with coaxial cable? A. RJ- 11 B. RJ- 45 C. F type D. SC

3. You need to put a connector on the end of an Ethernet crossover cable. The existing end has a white and green colored wire at pin 1. What color do you need to make pin 1 on the new end? A. White/green B. Green C. White/orange D. Orange 4. ___________________ is the type of media access method used by NICs that listen to or sense the cable to check for traffic and send only when they hear that no one else is transmitting. A. T568A/T568B B. CSMA/CD C. CSMA/CA D. Demand priority 5. What is the lowest grade of UTP that is rated for 100 Mbps transmission? A. Cat 5 B. Cat 5e C. Cat 6 D. Cat 6a 6. A physical star topology consists of several workstations that branch off a central device called a ____________________. A. NIC B. Bridge C. Router D. Hubhttps://books-here.com/ 328 Chapter 5 ■ Networking Fundamentals 7. Of all the network cabling options, ___________________ offers the longest possible seg- ment length. A. Unshielded twisted pair B. Coaxial C. Fiber- optic D. Shielded twisted pair 8. What devices transfer packets across multiple networks and use tables to store network addresses to determine the best destination? A. Routers B. Firewalls C. Hubs D. Switches 9. Which of the following networking hardware devices is capable of creating VLANs? A. Firewall B. Patch panel C. Unmanaged switch D. Managed switch 10. Which of the following wireless communication standards is often described in terms of a wireless personal area network? A. Bluetooth B. Infrared C. Cellular D. Ethernet 11. Your ISP has just finished running fiber-optic cable in your neighborhood, and you want to switch from cable Internet to a faster fiber-optic connection. Which of the following state- ments is true about how you will get an Internet connection? A. You will continue to use your cable modem. B. You need to switch to using a DSL modem. C. You need to switch to using an ONT. D. You need to switch to using PoE. 12. If you are going to run a network cable in the space above the drop ceiling in your office, which type of cable should you use? A. Plenum B. PVC C. Coaxial D. Fiber- optichttps://books- here.com/ Review Questions 329 13. Which of the following connector types is an MFF connector? A. BNC B. ST C. SC D. LC

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14. What Ethernet specification would you be running if you needed to make a connection of 10 Gbps over a distance of 5 kilometers? A. 10GBaseER B. 10GBaseT C. 10GBaseSR D. 10GBaseLR 15. Which of the following are advantages to using a SAN? (Choose two.) A. More storage space on the network B. More efficient data storage C. Faster data access D. Automated data backups 16. You are installing a network at a friend’s house, and it’s impossible to run a network cable from one point in the house to another. Your friend does not want to use wireless net- working. Which of the following is the best option to get network connectivity between the two points? A. Power over Ethernet injector B. Power over Ethernet switch C. Ethernet over Power D. Router 17. What type of device will block unwanted traffic from your network using a set of rules called an ACL? A. Router B. Firewall C. Switch D. NAS 18. What type of coaxial cable is recommended for digital television cable signals? A. RG- 6 B. RG- 8 C. RG- 58 D. RG- 59https://books-here.com/ 330 Chapter 5 ■ Networking Fundamentals 19. Which of the following devices works with MAC addresses to determine what to do with network traffic? A. Hub B. Router C. Patch panel D. Switch 20. Transmitting at 10 Gbps, how far can signals on an MMF cable travel? A. 100 meters B. 550 meters C. 1 kilometer D. 40 kilometers ChatGPT Here are the answers to the review questions: 1. D. Fiber-optic cabling 2. C. F type 3. B. Green 4. B. CSMA/CD 5. B. Cat 5e 6. D. Hub 7. C. Fiber-optic 8. A. Routers 9. D. Managed switch 10. A. Bluetooth 11. C. You need to switch to using an ONT. 12. A. Plenum 13. A. BNC

14. A. 10GBaseER 15. B. More efficient data storage and D. Automated data backups 16. C. Ethernet over Power 17. B. Firewall 18. A. RG-6 19. D. Switch 20. B. 550 meters 1. You have just set up a network that will use the TCP/IP protocol, and you want client com- puters to obtain IP configuration information automatically. Which type of server do you need for this? A. DNS B. DHCP C. NAT D. IP configuration server 2. Which of the following protocols was designed to access information stored in an information directory, such as employee phone books? A. FTP B. LDAP C. RDP D. CIFS 3. Which TCP/IP protocol uses port 80? A. HTTP B. HTTPS C. Telnet D. POP3 4. What is the maximum number of IPv6 addresses that can be assigned to one IPv6 interface? A. One (unicast) B. Two (unicast and anycast) C. Three (unicast, anycast, and multicast) D. None of the above 5. Which of the following are valid examples of IPv6 addresses? (Choose all that apply.) A. 2001:0db8:3c4d:0012:0000:0000:1234:56ab B. ::ffff:c0a8:173 C. 2001:db8:3c4d:12::1234:56ab D. 2001::1ab4::5468 6. Which of the following IP addresses would not be valid for a DNS server on the Internet? A. 10.25.11.33 B. 18.33.66.254 C. 155.118.63.11 D. 192.186.12.2https://books-here.com/ Exam Essentials 375 7. The workstations on your network are configured to use a DHCP server. One of the work- stations can’t communicate with other computers. Its IP address is 169.254.1.18. What could be the problem? A. The subnet mask is wrong. B. It has a private IP address. C. The default gateway is wrong. D. It can’t reach the DHCP server. 8. Which of the following protocols is responsible for sending email? A. IMAP4 B. POP3 C. SMTP D. SNMP 9. What port does the RDP protocol work on? A. 53 B. 143 C. 389 D. 3389

10. An email administrator wants to help protect against their server being spoofed to send spam. They were told that they can do this with a TXT record in their DNS server. If they want to authenticate emails using an encrypted security key, which TXT record would be most appropriate? A. DMARC B. VLAN C. SPF D. DKIM 11. What are advantages that TCP has over UDP? (Choose two.) A. Acknowledged delivery B. Faster delivery C. Lower overhead D. Virtual circuits 12. Your friend is concerned about the security of making an online purchase. What should you tell them to look for in the address bar of the web browser? A. HTTP B. HTTPS C. SSH D. TLShttps://books-here.com/ 376 Chapter 6 ■ Introduction to TCP/IP 13. You are manually configuring a TCP/IP host. Another administrator gives you the router’s IP address. What is the TCP/IP term for this? A. Default gateway B. Subnet mask C. DNS server D. DHCP server 14. Your network is running IPv4. Which of the configuration options are mandatory for your host to communicate on the network? (Choose two.) A. IP address B. Subnet mask C. Default gateway D. DNS server address 15. Which of the following protocols is used for secure retrieval of email? A. SMTP B. SNMP C. POP3 D. IMAP4 16. Which of the following is the name of a secure point-to-point connection made over a public network? A. NAT B. APIPA C. VLAN D. VPN 17. Which network protocol is used for administration of networking devices such as routers and switches, and which port(s) does it use? A. SNMP, 161 and 162 B. SNMP, 25 C. SMTP, 25 D. SMTP, 161 and 162 18. Which of the following is an IPv6 broadcast address? A. ::1 B. FE80:: C. FF00:: D. ::FFFF E. None of the abovehttps://books-here.com/ Exam Essentials 377 19. You are setting up a small network that will not connect to the Internet. You want computers to be able to locate each other by using hostnames. What service will do this? A. DNS B. DHCP C. FTP D. APIPA 20. Which of the following protocols is responsible for resolving IP addresses to hardware addresses? A. DNS B. DHCP C. ARP D. RARP

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ChatGPT Here are the answers to the review questions: 1. B. DHCP 2. B. LDAP 3. A. HTTP 4. C. Three (unicast, anycast, and multicast) 5. A. 2001:0db8:3c4d:0012:0000:0000:1234:56ab B. ::ffff:c0a8:173 C. 2001:db8:3c4d:12::1234:56ab 6. A. 10.25.11.33 7. D. It can’t reach the DHCP server. 8. C. SMTP 9. D. 3389 10. D. DKIM 11. A. Acknowledged delivery and D. Virtual circuits 12. B. HTTPS 13. A. Default gateway 14. A. IP address and B. Subnet mask 15. D. IMAP4 16. D. VPN 17. A. SNMP, 161 and 162 18. C. FF00:: 19. A. DNS 20. C. ARP Regenerate

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