[Apr-2024] Pass CompTIA 220-1101 Tests Engine pdf - All Free Dumps
CompTIA A+ Certification Exam: Core 1 Practice Tests 2024 | Pass 220-1101 with confidence!
NEW QUESTION # 349
A user with a custom hosts file is having difficulty connecting to a locally hosted site on a small office network. The technician cannot ping the server hostname from the user's computer. Which of the following should the technician ensure on the server?
- A. The server's secondary NIC is functioning.
- B. The server is configured with a static IP address.
- C. The server does not have an APIPA.
- D. The appropriate services are enabled on the server.
Answer: B
Explanation:
A custom hosts file is a file that maps hostnames to IP addresses, allowing the user to access websites or servers by their names instead of their numerical addresses. For example, a user can add a line like 192.168.1.100 myserver.local to their hosts file and then access the server by typing myserver.local in their browser. However, this method only works if the IP address of the server does not change. If the server is configured with a dynamic IP address, which means it can be assigned a different IP address by the network router or DHCP server, then the hosts file entry will become invalid and the user will not be able to connect to the server by its hostname. Therefore, the technician should ensure that the server is configured with a static IP address, which means it has a fixed and permanent IP address that does not change. This way, the hosts file entry will always point to the correct IP address of the server and the user will be able to ping the server hostname from their computer.
Reference:
How to Add a Local DNS Lookup to Hosts File - Help Desk Geek1
Set Custom Domain Name for localhost Website in IIS - TutorialsTeacher.com2 The Official CompTIA A+ Core 1 Student Guide (Exam 220-1101) eBook, page 4-9
NEW QUESTION # 350
An IT manager discovered that hundreds of pages of printed materials are being recycled each day because the materials are left on the printer tray instead of being picked up by users. Which of the following would BEST prevent this waste?
- A. Send friendly reminders to not print unnecessarily.
- B. Bill each department for the excess material cost.
- C. Enable duplex printing to reduce paper utilization.
- D. Require a code or badge before releasing a print job.
Answer: D
Explanation:
By requiring a code or badge before releasing a print job, it ensures that only authorized personnel can collect the printouts. This method is effective in preventing waste and in keeping sensitive documents confidential. Sending reminders, enabling duplex printing, and billing departments are useful strategies for reducing paper utilization but may not necessarily prevent waste caused by uncollected printouts.
Requiring a code or badge before releasing a print job is the best solution to prevent the waste of printed materials, as it ensures that only the user who initiated the print job is able to pick up the printed materials. This can be achieved by implementing print release software or requiring users to enter a PIN code at the printer. Reference: CompTIA A+ Certification Exam Objectives 1001, 2.10
NEW QUESTION # 351
After a required operating system upgrade on a mobile deuce, a user's external monitor no longer works.
Which of the following should a technician do to fix this issue?
- A. Reseat the external video adapter.
- B. Restore the operating system to the previous version.
- C. Install the latest graphics drivers.
- D. Replace the monitor
Answer: C
Explanation:
Explanation
The correct answer is A. Install the latest graphics drivers.
The most likely cause of the external monitor not working after an operating system upgrade is that the graphics drivers are incompatible with the new version. Installing the latest graphics drivers from the manufacturer's website or using Windows Update can resolve this issue. Replacing the monitor, restoring the operating system to the previous version, or reseating the external video adapter are not effective solutions for this problem.
References: You can find more information about troubleshooting external monitor connections in Windows
101 and Windows 112. You can also learn how to update the display driver using Device Manager2.
NEW QUESTION # 352
A technician wants to deploy a .msl package lo a corporate network. The technician needs to verily the application deployment will not affect other legacy applications on the end users' computers. Which of the following would the technician consider the MOST appropriate for this situation?
- A. Application virtualization
- B. Cross-platform virtualization
- C. Virtual network
- D. Virtual sandbox
- E. Virtual desktop
Answer: A
Explanation:
The most appropriate solution for the technician to consider in this situation is Application virtualization. Application virtualization is a technology that allows applications to run in a virtual environment, which isolates them from the underlying operating system and other applications. This ensures that the application deployment will not affect other legacy applications on the end users' computers1.
NEW QUESTION # 353
Which of the following is the best way to protect the data of a virtual machine in the event of hardware failure?
- A. UPS
- B. Redundant hardware
- C. RAID
- D. Cloud-based backup
Answer: D
Explanation:
Explanation
Cloud-based backup is the best way to protect the data of a virtual machine, as it allows the data to be stored in a remote location that is accessible from anywhere. Cloud-based backup also provides scalability, security, and reliability for data protection3. References: [Cloud Backup]
NEW QUESTION # 354
Which of the following components enables the input on a mobile device's touch screen?
- A. Inverter
- B. OLED
- C. Digitizer
- D. CMOS sensor
Answer: C
Explanation:
Explanation
The digitizer is the component that enables input on a mobile device's touch screen. It is a transparent layer that sits over the screen and detects the location of touch inputs. OLED (Organic Light Emitting Diode) is a type of display technology. Inverter is a component used in older LCD displays to provide power to the backlight. CMOS (Complementary Metal-Oxide-Semiconductor) sensor is a type of image sensor used in digital cameras and smartphones to capture images. References: CompTIA A+ Certification Exam: Core 1 - Page 177
NEW QUESTION # 355
While implementing a non-carrier-grade wireless backhaul, a technician notices the current channel selection is extremely polluted with various RF signals. Upon performing a spectral analysis, the technician discovers a channel containing almost no RF pollution. Unfortunately, the technician is unable to select that channel. Which of the following is the MOST likely reason for this issue?
- A. The channel selection is defective; contact the manufacturer.
- B. The channel must be unlocked by the vendor.
- C. The device requires a firmware update to unlock the channel.
- D. The channel is reserved for licensed band use.
Answer: D
Explanation:
The most likely reason that the technician is unable to select the channel with almost no RF pollution is that it is reserved for licensed band use. Some channels are reserved for specific purposes and require a license to use. These licensed bands are typically used for critical infrastructure, public safety, or military operations, and unlicensed devices are not allowed to use them. Reference: CompTIA A+ Certification Exam Objectives - 220-1001: 3.3 Compare and contrast common networking hardware devices.
NEW QUESTION # 356
An organization maintains various record types, including health and criminal justice records. Which of the following cloud environments is the organization MOST likely to use to limit the attack surface?
- A. Private
- B. Hybrid
- C. Community
- D. Public
Answer: A
NEW QUESTION # 357
A salesperson is using a weather application on a mobile device. The application appears to be draining the device's battery very quickly. Which of the following is the BEST action for the salesperson to take in order to view weather forecasts while traveling?
- A. Update the PRL when getting to a new location.
- B. use the offices' Wi-Fi IP addresses as the geolocation mechanism.
- C. Enable the GPS service to ensure accurate location detection.
- D. Configure less location checks using cellular location services,
Answer: D
Explanation:
The best action for the salesperson to take in order to view weather forecasts while traveling and minimize the battery drain on their mobile device is to configure fewer location checks using cellular location services. This can be done by adjusting the settings for the weather application to limit how often it checks for updates and uses location services. This will help to conserve the battery on the device and keep the application from consuming too much power.
NEW QUESTION # 358
A technician needs to fix a Cat 5 cable issue. The cable, which is connected to a network jack, fails when it is moved around. Which of the following items must the technician use to fix the issue? (Select TWO).
- A. Crimper
- B. Scissors
- C. Network tap
- D. RJ45 connector
- E. Tone generator
- F. Magnetized screwdriver
Answer: A,D
Explanation:
Explanation
To fix a Cat 5 cable issue where the cable fails when it is moved around, the technician would need to use an RJ45 connector (option E) and a crimper (option F). The technician can use the crimper to attach a new RJ45 connector to the end of the cable, which should resolve the issue.
An RJ45 connector (option E) is a type of connector commonly used for Ethernet networking. It is an
8-position, 8-contact (8P8C) modular plug and jack that is used to terminate Cat 5 and other types of twisted pair cables. A crimper (option F) is a tool used to attach connectors to the ends of cables. In this case, the technician would use the crimper to attach a new RJ45 connector to the end of the Cat 5 cable.
When a cable fails when it is moved around, it often indicates that there is a problem with the connector at the end of the cable. By attaching a new RJ45 connector using a crimper, the technician can ensure that the cable has a secure and reliable connection.
NEW QUESTION # 359
Which of the following is considered a connectionless protocol?
- A. UDP
- B. TCP
- C. SSH
- D. HTTPS
Answer: A
Explanation:
Explanation
The correct answer is D. UDP.
UDP (User Datagram Protocol) is a connectionless protocol that does not establish a connection before sending or receiving data. UDP simply sends datagrams to the destination without checking if the receiver is ready or not. UDP does not guarantee reliable delivery, error correction, or in-order arrival of the data. UDP is faster and more efficient than connection-oriented protocols for applications that do not require reliability, such as streaming audio or video1 A: SSH (Secure Shell) is not a correct answer. SSH is a connection-oriented protocol that uses TCP (Transmission Control Protocol) as its transport layer. SSH establishes a secure and encrypted connection between two network endpoints before exchanging data. SSH provides authentication, confidentiality, and integrity for remote login and command execution2 B; TCP (Transmission Control Protocol) is not a correct answer. TCP is a connection-oriented protocol that establishes a connection before sending or receiving data. TCP ensures reliable delivery, error correction, and in-order arrival of the data. TCP is slower and more complex than connectionless protocols, but it provides more reliability and quality of service for applications that require it, such as web browsing or email1 C: HTTPS (Hypertext Transfer Protocol Secure) is not a correct answer. HTTPS is a connection-oriented protocol that uses TCP as its transport layer and SSL/TLS as its security layer. HTTPS establishes a secure and encrypted connection between a web browser and a web server before exchanging data. HTTPS provides authentication, confidentiality, and integrity for web transactions, such as online banking or shopping1
NEW QUESTION # 360
A network technician needs to provide better wireless connectivity throughout a SOHO location. Which of the following should the technician deploy to best improve connectivity?
- A. Wi-Fi router
- B. Access point
- C. POE hub
- D. Managed switch
Answer: B
Explanation:
Explanation
The correct answer is A. Access point.
An access point is a device that extends the wireless coverage of a network by creating a hotspot that allows wireless devices to connect to the network1. An access point can be connected to a router or a switch via an Ethernet cable or a wireless bridge1. By deploying one or more access points throughout a SOHO location, the technician can provide better wireless connectivity and eliminate dead zones or weak signals2.
A managed switch is a device that allows multiple devices to communicate on a network by forwarding data packets based on their destination addresses3. A managed switch can also provide advanced features such as VLANs, QoS, security, and remote management3. However, a managed switch does not improve wireless connectivity, as it only works with wired devices.
A POE hub is a device that provides power and data over a single Ethernet cable to devices that support Power over Ethernet (PoE) technology, such as IP cameras, VoIP phones, and wireless access points4. A POE hub can simplify the installation and placement of these devices by eliminating the need for separate power adapters or outlets4. However, a POE hub does not improve wireless connectivity by itself, as it still requires an access point or a router to create a wireless network.
A Wi-Fi router is a device that combines the functions of a router and an access point, providing both wired and wireless connectivity to a network and the internet. A Wi-Fi router can be used to create a SOHO network, but it may not be sufficient to cover the entire location with a strong and reliable wireless signal. To improve wireless connectivity, the technician may need to add additional access points or use a mesh Wi-Fi system that consists of multiple routers that work together to create a seamless wireless network.
Therefore, an access point is the best option among the choices to improve wireless connectivity throughout a SOHO location.
NEW QUESTION # 361
Which of the following best describes the primary function of a spam gateway?
- A. Mitigates DDoS attacks
- B. Categorizes incoming network messages
- C. Serves as a repository for email routing logs
- D. Blocks unrequested ICMP packets from external networks
Answer: B
Explanation:
Explanation
A spam gateway is a software solution that filters email messages based on various criteria, such as sender, recipient, subject, content, attachments, and URLs. A spam gateway categorizes incoming network messages as spam or non-spam, and either blocks, quarantines, or delivers them accordingly. A spam gateway can help protect email servers and users from malicious or unwanted emails, such as phishing, malware, or advertising.
A: Serves as a repository for email routing logs. This is not the primary function of a spam gateway. Email routing logs are records of the path and status of email messages as they travel through the network. Email routing logs can help troubleshoot email delivery issues, but they do not filter or categorize email messages.
B: Blocks unrequested ICMP packets from external networks. This is not the primary function of a spam gateway. ICMP (Internet Control Message Protocol) packets are used to communicate network information, such as errors, requests, or replies. Blocking unrequested ICMP packets from external networks can help prevent network scanning or denial-of-service attacks, but it does not filter or categorize email messages.
D: Mitigates DDoS attacks. This is not the primary function of a spam gateway. DDoS (Distributed Denial-of-Service) attacks are attempts to overwhelm a network or server with a large amount of traffic from multiple sources. Mitigating DDoS attacks can help maintain network availability and performance, but it does not filter or categorize email messages.
Reference: Gateway Spam Filter - SpamTitan Email Security1.
NEW QUESTION # 362
A field technician has been dispatched to a site with an internet outage. Upon arriving, the technician discovers that the POTS lines are not working as well. Which of the following technologies is the site MOST likely using?
- A. Fiber
- B. DSL
- C. Cable
- D. Satellite
Answer: B
Explanation:
Explanation
DSL (Digital Subscriber Line) uses POTS (Plain Old Telephone Service) lines to provide high-speed internet access. If the POTS lines are not working, it could cause an internet outage for DSL customers. Fiber and cable internet typically use different types of infrastructure, while satellite internet is not reliant on POTS lines. References: CompTIA A+ Certification Exam: Core 1 - Page 231
NEW QUESTION # 363
Recently, an organization received a number of spam emails that passed through the spam gateway. The emails contained generally the same information, but the sending domains were different. Which of the following solutions would BEST help mitigate the issue?
- A. Verifying DMARC is enabled
- B. Updating the keyword filtering
- C. Contacting the gateway vendor
- D. Editing the sender policy framework
Answer: A
Explanation:
Explanation
DMARC (Domain-based Message Authentication, Reporting and Conformance) is an email authentication protocol. It is designed to give email domain owners the ability to protect their domain from unauthorized use, commonly known as email spoofing.
NEW QUESTION # 364
A user creates a support ticket to report a conference room projector that does not work. The user says that even though the provided cables are being used, the projector screen shows the following error message:
No signal input
Which of the following describes the FIRST action that should be taken?
- A. Replace the projector bulb.
- B. Verify that the projector is turned on.
- C. Check the video cable and replace it if necessary.
- D. Verify that the user is using an approved OS.
Answer: C
Explanation:
Explanation
The most common reasons you may be seeing the "No Signal" message: The projector and the source device are not connected correctly.
The first action should be to check the video cable and replace it if necessary, as the error message suggests that the projector is not receiving a signal from the laptop. Verifying that the projector is turned on and checking the bulb would come after verifying the video cable.
NEW QUESTION # 365
Which of the following best describes the primary function of a spam gateway?
- A. Mitigates DDoS attacks
- B. Categorizes incoming network messages
- C. Serves as a repository for email routing logs
- D. Blocks unrequested ICMP packets from external networks
Answer: B
Explanation:
A spam gateway is a software solution that filters email messages based on various criteria, such as sender, recipient, subject, content, attachments, and URLs. A spam gateway categorizes incoming network messages as spam or non-spam, and either blocks, quarantines, or delivers them accordingly. A spam gateway can help protect email servers and users from malicious or unwanted emails, such as phishing, malware, or advertising.
A) Serves as a repository for email routing logs. This is not the primary function of a spam gateway. Email routing logs are records of the path and status of email messages as they travel through the network. Email routing logs can help troubleshoot email delivery issues, but they do not filter or categorize email messages.
B) Blocks unrequested ICMP packets from external networks. This is not the primary function of a spam gateway. ICMP (Internet Control Message Protocol) packets are used to communicate network information, such as errors, requests, or replies. Blocking unrequested ICMP packets from external networks can help prevent network scanning or denial-of-service attacks, but it does not filter or categorize email messages.
D) Mitigates DDoS attacks. This is not the primary function of a spam gateway. DDoS (Distributed Denial-of-Service) attacks are attempts to overwhelm a network or server with a large amount of traffic from multiple sources. Mitigating DDoS attacks can help maintain network availability and performance, but it does not filter or categorize email messages.
NEW QUESTION # 366
A small ISP has hired a new technician Joe, the new technician, is being trained to configure customers* home networks The trailing instructor gives me technician a starter kit with cables, cable ends, and other network equipment and asks mm to build a working network.
The computer should be connected to have internet connectivity and the phone should be connected to have a dial tone.
INSTRUCTIONS
Use the appropriate cables. cable ends, tools and equipment to configure the network ana connect an components accordingly There are 3 steps and the simulation starts on step 1.
Answer:
Explanation:
See the answer below in explanation part.
Explanation
Answer of both steps below.
A picture containing text, screenshot, indoor Description automatically generated
Diagram Description automatically generated with medium confidence
NEW QUESTION # 367
An administrator is responding to a network server outage. The administrator has logged in to the server to troubleshoot the outage. Which of the following is the first step the administrator should take when attempting to troubleshoot the issue?
- A. Check the physical connections.
- B. Upgrade the server firmware.
- C. Document the results.
- D. Analyze the error logs.
Answer: D
Explanation:
Explanation
The correct answer is B. Analyze the error logs.
Error logs are files that record the events and errors that occur on a server or a network device. They can provide valuable information about the cause and the time of the outage, as well as any warnings or alerts that preceded it. Analyzing the error logs can help the administrator narrow down the possible sources of the problem and identify the best course of action to resolve it.
The first step in troubleshooting a network is to identify the problem1. As a part of this step, the administrator should gather information about the current state of the network using the network troubleshooting tools that are available1. One of these tools is the error log viewer, which can be accessed through the server's operating system or a network monitoring software. The administrator should look for any entries that indicate a failure, a crash, a timeout, or an exception in the error logs. The administrator should also note the date and time of the entries, as well as the severity and the frequency of the errors.
The other options are less likely to be the first step in troubleshooting, because:
*Documenting the results is an important step in troubleshooting, but it should be done after identifying and resolving the problem, not before. Documenting the results can help the administrator keep track of the actions taken, the changes made, and the outcomes achieved. It can also help prevent future problems by providing a reference for best practices and lessons learned1.
*Checking the physical connections is another important step in troubleshooting, but it should be done after analyzing the error logs, not before. Physical connections are the cables and ports that link the server to other devices on the network. They can affect the quality and stability of the network signal. If the error logs do not indicate any software or configuration issues, then checking the physical connections can help determine if there is any damage or interference in the hardware2.
*Upgrading the server firmware is a possible solution for some network problems, but it should not be done as a first step in troubleshooting, unless there is a clear indication that the firmware is outdated or corrupted.
Firmware is a type of software that controls the basic functions of a hardware device. Upgrading the firmware can improve performance, security, and compatibility, but it can also introduce new bugs or conflicts with other software or hardware components. Therefore, upgrading the firmware should be done with caution and only after backing up data and settings3.
For more information and tips on how to troubleshoot network issues, you can visit these links:
*A Guide to Network Troubleshooting - CompTIA
*What is Network Troubleshooting? How to Fix Network Issues - SolarWinds
*Network Troubleshooting - Methodology, Steps & Techniques - DNSstuff
NEW QUESTION # 368
A user's Windows PC is unable to connect to the network at a new branch office that the user is visiting. A technician discovers the PC is unable to ping the local gateway. Which of the following commands should the technician use next?
- A. ifconfig
- B. show config
- C. cd config
- D. ipconfig
Answer: D
Explanation:
ipconfig is a command-line tool that displays the current configuration of the network interfaces on a Windows PC. It can also be used to release and renew the IP address, flush the DNS cache, and display the routing table. If the PC is unable to ping the local gateway, the technician should use ipconfig to check the IP address, subnet mask, default gateway, and DNS servers of the PC. The technician can also use ipconfig /renew to request a new IP address from the DHCP server, or ipconfig /flushdns to clear the DNS cache.
Reference
* [CompTIA A+ Core 1 (220-1001) Certification Study Guide], page 78
* How to use the ipconfig command on Windows 10
* How to Ping the Windows Network Router
NEW QUESTION # 369
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