Questions and Answers
Which of the following steps will you perform before entering the device passcode? (Select all that apply)
Which of the following features makes an e-Reader different from a modern tablet? (Select all that apply)
Which wireless connection methods would you use to transfer data from your device to another device within about 10 meters? (Select all that apply)
Which device would best meet the user's criteria for longest battery life, best viewing experience for printed text, and wireless download capability?
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What should a technician do after confirming the cause of a problem and resolving it?
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What action should a technician advise a user to take if they have trouble moving and opening icons on a tablet?
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What tool would a technician use to determine if insufficient power is getting to the motherboard?
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While installing Hyper-V, you receive an error that software is unable to install. Which of the following configuration options will you check?
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Which of the following expansion slots uses a serial connection?
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Which of the following are standard AMD processor socket types? Each correct answer represents a complete solution. Choose all that apply.
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Which of the following CPU characteristics allows the processor to classify and separate memory areas where application code can and cannot execute?
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Which of the following must be configured when trying to start a machine using a DVD?
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Which of the following memory modules is used if it is labeled 1333 using the standard name?
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A technician is repairing a workstation that has a power light, but is not displaying anything on the screen and is not making any sounds during boot up. Which of the following should be used to further troubleshoot the workstation?
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A user reports slow computer performance in his PC, which has RAID configuration. The technician uses the manufacturer's diagnostic software, and the computer passes all tests. The technician then uses a defragmentation tool and hears clicking noises. Which of the following should the technician identify and replace?
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Replacement of which of the following components on a laptop will typically require reinstallation of the OS?
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A user is notified of file system errors on an external hard drive. Which of the following tools can be used to repair common errors on the drive?
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What is the minimum number of physical disk drives required in RAID 5?
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Which of the following RAID types should be used to configure two drives for maximum performance?
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James, a technician, needs to configure a computer system for the maximum safety of stored data while staying cost-effective. Which of the following RAID levels should he use?
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A user complains that his computer automatically reboots after a short period of time. Which of the following computer components will you change to perform preventive maintenance on the computer?
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Which of the following interfaces is capable of transmitting high-quality and high-bandwidth streams of audio and video between devices?
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Which of the following external ports would a technician use to connect a keyboard to a computer? Each correct answer represents a complete solution. Choose all that apply.
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Which of the following connection types can be used simultaneously for video, storage, and audio?
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Which of the following is used for parallel applications?
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Which connectors will you use to connect a serial port and an Ethernet port on a switch? Each correct answer represents a complete solution. Choose two.
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Which of the following would allow for multiple computers to share display and input devices?
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Which of the following devices will allow a technician to use a single set of input devices on several computers?
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Which of the following would be the most important factor to consider when building a virtualization workstation?
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A custom-built gaming PC is dropping frames while playing a graphic-intensive video game. Which of the following should be reviewed as potential bottlenecks? Each correct answer represents a complete solution. Choose all that apply.
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A company offers several out-of-the-box computer configurations to its clients. A client requests several new computers for its newest location, which will be used by guests to check in upon arrival and fill out contact information. Which of the following configurations would best fit this customer's needs?
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Which of the following requires both hardware and software on a system to meet certain requirements to produce complex 3D designs?
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Which of the following custom configurations needs to support a surround sound speaker system?
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Which of the following does a home theater PC use to provide authentication and encryption services to connect with the set-top box?
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Joe, a technician, is tasked to maintain a printer. He checks the printer and finds that its imaging drum and transfer roller are not working. For which of the following types of printers should he obtain a maintenance kit containing an imaging drum and transfer roller?
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You are setting up a printer in a training room. The trainer needs to be able to print multiple copies of the training documentation, which has many pages, for the classes. Which of the following should you configure on the printer to facilitate this?
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Which of the following components of the laser printer carries an electrical charge that attracts the toner?
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Joe, a user, reports to a technician that his inkjet printer is regularly feeding two sheets of paper for every page printed. Which of the following is the most likely cause?
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Maria, a network administrator, is working in an organization. A device connected to the organization's network is having an IP address of 120.168.1.1. She wants to verify that the device has a TCP/IP stack loaded. Which of the following addresses should she ping?
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According to the TCP/IP model, at which of the following layers is the routing of packets across multiple logical networks controlled?
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Which of the following protocols work at the Internet layer of the TCP/IP model? Each correct answer represents a complete solution. Choose all that apply.
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Which layer of the TCP/IP model manages end-to-end communication between hosts, error detection and correction, and message reordering?
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Which type of cable is most often used to connect two devices of the same type, such as two computers or two switches to each other?
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Which of the following networking cables transmits digital signals using light impulses rather than electricity?
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Which of the following cables contains a center conductor made of copper surrounded by a plastic jacket with a braided shield over it?
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Which of the following provides protection against network eavesdropping and signal interference and works at the physical layer of the OSI model?
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Which of the following Internet connection types transports high-bandwidth data over a simple telephone line?
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Which of the following devices transmits data to all ports regardless of the final destination?
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Which of the following devices can be used to merge traffic between two different network topologies?
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Which of the following devices should a network administrator configure on the outermost part of a network?
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A network engineer wants to segment the network into multiple broadcast domains. Which of the following devices can he use?
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Which networking device must be used to have full-duplex communication between two host devices?
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A host with an IP address of 15.0.0.126/25, in the subnet 15.0.0.0, needs to transfer data to a host with an IP address of 15.0.0.129/25, in the subnet 15.0.0.128. Which of the following devices will be required for this purpose?
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Which of the following devices operate at the Data Link layer of the OSI model? Each correct answer represents a complete solution. Choose all that apply.
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Smith, a network administrator, is having an issue of loss in signal strength after a certain point in the company's local network infrastructure. There are more than two devices to which the same signal needs to be transmitted. Which of the following devices should the network administrator most likely use to resolve this problem?
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A technician wants to remotely and securely access the desktop of a Linux workstation. The desktop is running remote control software without encryption. Which of the following should the technician use to secure the connection?
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Which of the following protocols is considered stateless and uses TCP when communicating between a server and a client?
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Maria, an employee, is on a business trip. She connects her laptop to a hotel's wireless network to send emails to customers. The next day she notices that emails have been sent from her account without her consent. Which protocol is used to compromise her email password utilizing a network sniffer?
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Which of the following stores information about authorized users and their privileges as well as other organizational information?
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Which of the following TCP ports are used by the File Transfer Protocol (FTP) for data transfer and to control commands? Each correct answer represents a part of the solution. Choose two.
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A server administrator is setting up a new server for the company's network. Which port and service should be open to allow the newly installed server to assign IP addresses for the devices connecting with the network? Each correct answer represents a part of the solution. Choose two.
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Which of the following is a security protocol that combines digital certificates for authentication with public key data encryption?
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A user reports the inability to access a company server using the FTP protocol. A technician finds other ports to the server seem to work normally. The technician has determined the problem is an incorrectly configured software firewall on the user's machine. Which of the following is most likely the cause?
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James, a technician, wants to transfer files between two systems. Which of the following protocols will help him? Each correct answer represents a complete solution. Choose two.
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James, a security analyst, is hardening an authentication server. One of the primary requirements is to ensure there is SSO on this server. Which of the following technologies should he configure to fulfill the requirement in the given scenario?
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Which port needs to be opened on the firewall for DNS?
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A client's computer is not connecting to a website. Which of the following commands will allow the technician to view the route/number of hops between the host and remote systems to troubleshoot the issue in the given scenario?
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Which of the following IP addresses belongs to class A?
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Which of the following servers manages a record of all the IP addresses allocated to network nodes?
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What is the default subnet mask for IP address 196.132.74.10?
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Which of the following technologies is the most secure form of wireless encryption?
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Which of the following encryption types is used with WPA2?
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James, a network administrator, wants to communicate with his company's internal website from a remote location via a wireless Internet connection. Which type of connection does he need to make this communication secure?
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A network administrator wants to ensure sensitive data is not exfiltrated from the system electronically. Which of the following should be implemented?
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What monitors network traffic and restricts or alerts when unacceptable traffic is seen in the system?
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Maria, a network administrator, wants to block the availability of nonwork-type websites. Which type of server should she use for this purpose?
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James, a technician, wants to syndicate the security controls of some of the network devices in the company. His company does not have sufficient resources to manage the security of its large infrastructure. Which of the following methods would best accomplish his goal?
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Which of the following combines the features of a firewall, anti-virus, and IDS/IPS into a single device?
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John, a customer, needs to run several virtual machines on his design workstation to work on cross-platform software. Which of the following should be maximized to improve workstation performance? Each correct answer represents a complete solution. Choose all that apply.
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Which of the following is a point-to-point logical network created by grouping selected hosts, regardless of their physical location?
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Which of the following separates the personal computing environment from a user's physical computer?
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Lucy, a technician, is working on a project to interconnect her company's private data center to a cloud company that offers public e-mail services and another company that can provide burstable compute capacity. What type of cloud delivery model is she creating?
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Maria is a technician at a medium-sized accounting firm that used cloud-based computing resources. During tax preparation season, the internal requirement for computing resources rises in the firm, and then after the taxes are filed, the computing capacity is no longer needed. She is being asked to find a way so that these computing resources can be accessed automatically when needed, without requiring intervention from the service provider. Which cloud computing feature will help to meet her needs?
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A company has subscribed to a cloud service, paying monthly for a block of services and being billed incrementally when they exceed the monthly fee, after seeking permission from the service provider. Which of the following cloud concepts does this represent?
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A cloud computing feature through which users can access additional storage, processing, and capabilities automatically, without requiring intervention from the service provider is known as:
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Which cloud computing feature enables the cloud services provider to service multiple customers to suit each customer's needs?
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Jennifer, a client, is searching for a cloud-based service in which the cloud provider manages all underlying infrastructure including updating the operating system. Which service would you recommend to her?
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Which of the following cloud service models enables a consumer to rent fully configured systems that are set up for specific purposes?
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Which of the following is a small circuit board, attached to the display screen of a laptop, that converts DC power to AC power for the display?
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Which process is used by receivers in a GPS system to calculate the distance between themselves and the satellites to determine their location?
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You want to transfer an audio file from your mobile device to your friend's mobile device using the Bluetooth feature.
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Study Notes
Installation and Configuration
- Check virtualization support options if Hyper-V installation fails.
- PCIe slots utilize a serial connection for expansion cards.
- FM1 and AM3 are standard AMD processor socket types.
- Ensure boot sequence is configured correctly to start a machine using a DVD.
Memory and Storage
- A memory module labeled 1333 corresponds to DDR3.
- Use a POST card to troubleshoot a workstation that powers on but shows no display or sounds.
- A technician should replace the hard disk drive (HDD) if clicking noises are heard during disk operation, indicating potential failure.
- Reinstallation of the OS is typically required after replacing a hard disk drive.
- CHKDSK can repair common file system errors on an external hard drive.
RAID Configurations
- Minimum of three physical disk drives is needed for RAID 5.
- Use RAID 0 for maximum performance with two drives.
- RAID 1 offers a cost-effective solution for data safety.
Preventive Maintenance
- Change the CPU cooling fan to address frequent computer reboots, suggesting overheating issues.
Connectivity and Interfaces
- HDMI provides high-quality streaming for audio and video between devices.
- USB and PS/2 ports can connect keyboards to computers.
- Thunderbolt connections support video, storage, and audio simultaneously.
- For serial and Ethernet connections, DB-9 and RJ-45 connectors are used.
User Experience and Special Configurations
- KVM switches allow multiple computers to share display and input devices.
- A touch-screen kiosk configuration is best for guest check-in stations.
- CAD workstations require both hardware and software for complex 3D designs.
Printing and Document Management
- Collate is a printer setting to print multiple copies efficiently.
- The printer component responsible for attracting toner is the EP drum.
- Worn feed rollers are likely causes of double sheet feeding in inkjet printers.
Networking and Protocols
- Ping the address 127.0.0.1 to verify TCP/IP stack functionality.
- The Internet layer of the TCP/IP model controls routing of packets between networks.
- ICMP and ARP operate at the Internet layer; the Transport layer manages end-to-end communication.
- Crossover cables connect similar devices, while fiber optic cables transmit data via light impulses.
Security and Monitoring
- Implement NIDS to monitor network traffic for security breaches.
- A VPN secures communications over public networks.
- Use SSL for secure data transmission involving digital certificates.
- DLP protects sensitive data against unauthorized exfiltration.
Cloud Computing Models
- Hybrid cloud: combines private data center connectivity with public cloud services.
- On-demand self-service features allow clients to access additional resources automatically.
- PaaS (Platform as a Service) manages underlying infrastructure, while SaaS (Software as a Service) provides fully configured systems for specific purposes.
E-readers and Mobile Devices
- E-readers typically have longer battery life and less onboard storage than tablets.
- Bluetooth and Wi-Fi can transfer data wirelessly within 10 meters.
Troubleshooting Techniques
- After resolving an issue, technicians should verify full system functionality.
- Cleaning the screen can resolve unresponsive touch issues on tablets.
- Use a multimeter to test power supply issues in desktop systems.
General Knowledge
- The default subnet mask for 196.132.74.10 is 255.255.255.0.
- WPA is the most secure wireless encryption type, while AES is used with WPA2.
- The DHCP server assigns IP addresses to network nodes.
Studying That Suits You
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Description
Test your knowledge on essential computer hardware, virtualization support, memory modules, and RAID configurations. This quiz covers key concepts such as hard disk drive failure signs, OS reinstallation procedures, and different types of RAID setups. Perfect for IT professionals and students alike!
