CompTIA CompTIA Certifications 220-1101 Questions & Answers

• Question 211:

  A network administrator was notified that laptop users are unable to access or ping any network resources on the corporate network. Which of the following should the network administrator check FIRST?

  A. DHCP

  B. AAA

  C. DHB

  D. ARP

  Correct Answer: A

  Domain Name System (DNS) is an Internet service that translates domain names (e.g., its.umich.edu) into IP addresses. Dynamic Host Configuration Protocol (DHCP) is a protocol for automatically assigning IP addresses and other configurations to devices when they connect to a network.

• Question 212:

  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. Remote desktop protocol

  B. Telnet client

  C. Virtual network computer

  D. Third-party tools

  E. Secure shell

  Correct Answer: C

• Question 213:

  A user reports limited or no connectivity on a laptop. A technician runs ipconf ig /all with the following result:

  

  Which of the following is the MOST likely cause of this issue?

  A. DHCP failure

  B. ARP cache

  C. DNS resolution

  D. Duplicate IP address

  Correct Answer: A

• Question 214:

  A user that works is sales is reporting that the output on each page printed from a laser has duplicate images. Which of the following should be performed FIRST to eliminate the ghost images?

  A. Change the paper weight setting.

  B. Replace the printer's fuser.

  C. Upgrade the printer firmware.

  D. Clean the toner drums and rollers

  Correct Answer: D

  If a laser printer is producing output with duplicate images (also known as ghost images), it could be due to an issue with the toner drums and rollers. The first step to eliminate the ghost images would be to clean the toner drums and rollers to remove any excess toner that may be causing the issue. Ghost images are a common issue in laser printers where an image or text from a previous page appears faintly on subsequent pages. The cause of this issue is usually due to toner residue on the drum or rollers, which can be removed by cleaning the toner drums and rollers. References: Study Guide Section 4.6 - Printer technologies

• Question 215:

  A technician is troubleshooting a projector that will not display any Images. The technician has verified the computer output and cable are providing a good video signal. Which of the following should the technician do NEXT?

  A. Calibrate the image.

  B. Replace the bulb.

  C. Test the output resolution.

  D. Clean the fans.

  Correct Answer: C

  The MOST efficient next step the technician should do is to test the output resolution1. The issue of a projector that will not display any images could be related to the output resolution1. If the output resolution is not compatible with the

  projector, the projector will not display any images1. Calibrating the image, replacing the bulb, or cleaning the fans may not be effective1.

  If a projector is not displaying any images despite verifying that the computer output and cable are providing a good video signal, the technician should test the output resolution. The output resolution of the computer may not be compatible

  with the projector, which can cause the projector to not display any images.

• Question 216:

  A client wants to connect an external keyboard to an Android tablet. Which of the following connection types are appropriate for this task? (Select TWO).

  A. DVI

  B. Infrared

  C. Lightning

  D. USB-C

  E. PS/2

  F. Bluetooth

  Correct Answer: DF

  The appropriate connection types for connecting an external keyboard to an Android tablet are USB-C and Bluetooth123.

• Question 217:

  Which of the following 802.11 standards supports both 5GHz and 2.4GHz channel frequencies?

  A. 802.11a

  B. 802.11c

  C. 802.11b

  D. 802.11g

  Correct Answer: B

  802.11ac is the 802.11 standard that supports both 5GHz and 2.4GHz channel frequencies. 802.11ac is the latest wireless networking standard that operates in both the 5GHz and 2.4GHz frequency bands. It provides higher wireless network speeds and better reliability compared to previous standards, such as 802.11a, 802.11b, and 802.11g. The 802.11a standard operates exclusively in the 5GHz band, while the 802.11b and 802.11g standards operate exclusively in the 2.4GHz band.

• Question 218:

  An end user discovered that the touch-screen features on a Windows device have stopped working. Which of the following should a technician check?

  A. Performance monitor

  B. Tablet/PC settings

  C. System configuration

  D. Display settings

  Correct Answer: B

  If the touch-screen features on a Windows device have stopped working, a technician should check the Tablet/PC settings. The Tablet/PC settings contain options for configuring the touch-screen features on a Windows device. By checking

  the Tablet/PC settings, the technician can ensure that the touch-screen features are enabled and configured correctly.

  If the touch-screen features on a Windows device have stopped working, a technician should check the Tablet/PC settings. The touch-screen settings may have been disabled or there may be a driver issue that needs to be resolved.

  References: CompTIA A+ Certification uide, pg. 536

• Question 219:

  A system administrator has been tasked with allowing SMTP traffic through the system's host-based firewall. Which of the following ports should the administrator enabled?

  A. 23

  B. 25

  C. 80

  D. 161

  Correct Answer: B

  SMTP (Simple Mail Transfer Protocol) uses port 25 to send email messages between servers12. SMTP uses port 25 to send email messages between mail servers. Therefore, the system administrator should enable port 25 to allow SMTP traffic through the host-based firewall. References: CompTIA A+ Certification Study Guide, Tenth Edition, pg. 282

• Question 220:

  Which of the following is used to implement network security polices for an environment?

  A. Managed switch

  B. Repeater

  C. Firewall

  D. Gateway

  Correct Answer: C

  It is designed to protect an organization's network infrastructure and data from unauthorized access, while allowing legitimate traffic to pass through. Firewalls can be configured to enforce security policies that block certain types of traffic, limit access to specific network resources, and prevent attacks such as malware and phishing. A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It establishes a barrier between a trusted internal network and an untrusted external network, such as the Internet. Firewalls are used to implement network security policies for an environment by controlling access to the network and protecting it from unauthorized access. A firewall is used to implement network security policies. It monitors incoming and outgoing traffic based on predetermined security rules and can block traffic that does not meet the defined criteria. References: CompTIA A+ Certification All-in-One uide, Tenth Edition by Mike Meyers (Chapter 6, page 243)