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CompTIA/A+ 220-1001

CompTIA A+ 220-1001(8)

gigworker 2020. 4. 12. 04:46

QUESTION 5
A web application is unable to authenticate customers so they can access their bills. The server administrator has tested the LDAP query but is not receiving results. Which of the following is NEXT step the server administrator should take to correct the problem?
A. Check port 636 see if it is being blocked.
B. Change service port 636 to port 389.
C. Restart the web server.
D. Verify the browser is using port 443.

Correct Answer: D

QUESTION 6
Which of the following is an APIPA address?
A. 162.200.1.1
B. 167.100.1.1
C. 168.254.0.1
D. 169.254.1.1

Correct Answer: D

QUESTION 48
A user wants to build a computer with a high-end CPU, plenty of RAM, and a high-end graphics card for online gaming. The user wants to verify that the graphics card is compatible with the motherboard. Which of the following connection types would the user MOST likely utilize to connect the video card to the motherboard?
A. PCle
B. ISA
C. AGP
D. USB

Correct Answer: A

QUESTION 49
Which of the following ports are used for secure sessions? (Select two.)
A. 22
B. 23
C. 25
D. 80
E. 110
F. 443

Correct Answer: AF

QUESTION 52
A technician is buying a PC that will host three VMs running at the same time with the current configuration. The technician believes there might be a need to run several additional VMs in the near future. Which of the following resources would be the MOST important to upgrade to allow for the additional VMs?
A. CPU
B. SSD
C. NIC
D. RAM

Correct Answer: B

QUESTION 59
A network administrator is troubleshooting a notebook that is not loading the local Windows 10 operating system. All the computers inside the company are installed using UEFI mode selected. The message on the screen shows a failed attempt to connect to a PXE server. When requested, the end user reported trying to improve the computer’s speed by changing some BIOS configurations randomly. Which of the following should the network administrator check FIRST inside BIOS?
A. C-states should be configured to 2
B. Secure Boot should be enabled
C. Wake-on-LAN should be unchecked
D. The PXE server address should be set

Correct Answer: D

QUESTION 61
An ISP has notified a SOHO user of a usage increase on the user’s network. The user is concerned the WiFi network is being utilized by unauthorized users. Which of the following would minimize the unauthorized use of the WiFi network?
A. Implement MAC filtering
B. Enable NAT
C. Create a network DMZ
D. Upgrade the encryption standards

Correct Answer: A

QUESTION 71
A customer contacts the help desk stating a laptop does not remain charged for more than 30 minutes and will not charge more than 15%. Which of the following components are the MOST likely causes the issue? (Select three.)
A. LCD power inverter
B. AC adapter
C. Battery
D. Processor
E. VGA card
F. Motherboard
G. Backlit keyboard
H. Wireless antenna

Correct Answer: ABC

QUESTION 74
Joe, a user, sets up an IMAP connection on his smartphone to connect to webmail. Joe is able to view email, but he receives an error message when trying to send a message. When viewing the mail client’s configuration, Joe sees a valid SMTP server and port. Which of the following should Joe check NEXT to resolve the issue?
A. Configure the email account as a POP3 connection
B. Ensure the SSL/TLS option is being used
C. Check that the account password is still valid
D. Make sure the smartphone is not in airplane mode

Correct Answer: A

QUESTION 80
Which of the following requires less current to provide the same amount of power to devices inside a PC?
A. 5.5V
B. 12V
C. 120V
D. 220V

Correct Answer: D

QUESTION 83
A customer is using a cloud storage program that maintains a copy of local files on the cloud storage servers. The WiFi network is not very fast, and the customer uses bandwidth-intensive video streaming all day. Which of the following parameters should be adjusted to keep the cloud storage program from using too much bandwidth?
A. Synchronization settings
B. Wireless settings
C. Video streaming settings
D. QoS settings

Correct Answer: D

Quality of service (QoS) is the description or measurement of the overall performance of a service 

QUESTION 84
A user received the following error message while trying to access a shared drive: Network Path was Not Found. Which of the following should be performed to resolve the issue? (Select TWO).
A. Set the NIC to full duplex.
B. Disable the local firewall.
C. Reset the TCP/IP stack.
D. Disable the Ethernet adapter.
E. Use static IP addressing instead of DHCP.
F. Flush the DNS cache.

Correct Answer: CF

QUESTION 86
A technician wants to set up a virtual machine in a public cloud environment. Which of the following cloud models should the technician use?
A. IaaS
B. SaaS
C. PaaS
D. DBaaS
Correct Answer: A

QUESTION 89
A user reports being unable to browse the Internet. A technician believes the cause of the issue is related to DNS.
Which of the following should the technician perform NEXT?
A. Test the theory by attempting to browse to a website’s known IP address.
B. Implement preventive measures by manually assigning a DNS server to the PC.
C. Identify the problem by running the command ipconfig /flushdns.
D. Document the findings in the organization’s local knowledge base.
 
Correct Answer: A

QUESTION 91
A technician wants the number of virtual machines hosting a web application in the public cloud environment to scale based on real-time traffic on the website. Which of the following should the technician configure?
A. Resource pooling
B. Rapid elasticity
C. Measured service
D. High availability

Correct Answer: B

QUESTION 92
A SOHO user wants a multifunction device to be set up for the office printer. Additionally, scanning and fax capability must be set up for office employees only. Guest WiFi access will open. Which of the following configuration changes will BEST meet the user’s request? (Choose two.)
A. Enable user authentication.
B. Disable remote printing.
C. Configure the print server.
D. Enable cloud settings.
E. Disable the wireless network.
F. Connect to a wired network.

Correct Answer: AC

QUESTION 96
A technician manually configured the wireless connection on the Chief Information Officer's (CIO's) new laptop so it can communicate with the network at the office. The CIO now is having trouble connecting to a guest WiFi hotspot. While the device has a gateway address and says it is connected, the CIO cannot access company email. Which of the following would BEST resolve the issue?
A. Move the CIO’s laptop closer to the access point to obtain a better RF signal.
B. Restart the wireless connection to obtain a self-assigned APIPA address.
C. Assign a different IP address to the device in conflict with the CIO’s laptop.
D. Set the network connection to use DHCP instead of a static address.
E. Change the network’s SSID to a mobile hotspot to access company email.

Correct Answer: D ?

QUESTION 97
A user brings a Windows laptop into the office and connects it to a wireless network. Upon connecting to the network, the user is prompted to select whether the network is a home, work, or public network. The user selects the work profile and is able to access the Internet but cannot access office network resources. Which of the following is the MOST likely cause of the problem?
A. The user’s network card is malfunctioning.
B. The user is connected to the wrong wireless network.
C. The user’s firewall is blocking access to the resources.
D. The user put in the wrong credentials.

Correct Answer: B

QUESTION 98
A technician sets up a new printer on the network, allowing it to obtain an IP address. The technician records the IP address and sets up users to print using the information. The following Monday after powering on the printer, users report they can no longer print. After verifying users can access other network shares, the technician prints a configuration page and sees the IP address has changed. Which of the following is the BEST method for the technician to ensure this will not happen again?
A. Set up MAC filtering on the switch to ensure the printer gets the same IP.
B. Set up the users to print using the newly assigned IP address.
C. Create an IP reservation for the printer on the DHCP server.
D. Statically assign the current IP address to the printer.

Correct Answer: C

QUESTION Which of the following channels would commonly be used on an 802.11 wireless network?
A. 6
B. 17
C. 802
D. 8080
 
Correct Answer: A

A customer recently moved a high-end graphics card from a known-working computer to a different computer. The computer works without issue when viewing email and web pages or when using certain applications. However, when a game with high-end graphics requirements is opened, the program will run for a few minutes before the computer shuts down. Which of the following is MOST likely causing the problem?
A. Power supply wattage
B. Video RAM
C. CPU frequency
D. Monitor resolution

Correct Answer: A

QUESTION Which of the following services provides the ability to resolve UNC to appropriate IP addresses?
A. DNS
B. DHCP
C. Proxy
D. Web server
 
Correct Answer: A

UNC. Stands for "Universal Naming Convention. UNC is a filename format that is used to specify the location of files, folders, and resources on a local-area network (LAN). The UNC address of a file may look something like this: \\server-name\directory\filename.

Automatic Private IP Addressing (APIPA) is a feature of Windows-based operating systems (included in Windows 98, ME, 2000, and XP) that enables a computer to automatically assign itself an IP address when there is no Dynamic Host Configuration Protocol (DHCP) server available to perform that function.

A technician is troubleshooting network connectivity issues after a new wireless router was installed in an office. Users who connect to the new router are unable to access LAN resources. Which of the following is the MOST likely cause of the issue?
A. There are conflicting DHCP servers on the network
B. There are conflicting ARP records
C. There are conflicting gateways on the network
D. There are conflicting IP protocols
 
Correct Answer: A

Which of the following devices performs forwarding decisions based on MAC addresses?
A. Switch
B. Router
C. Hub
D. Repeater
 
Correct Answer: A

An end user reports a Windows based PC just had a BSOD. The PC rebooted, and the user is now logged back in and working without any issues. Which of the following should a technician check FIRST to begin troubleshooting?
A. Hard drive S.M.A.R.T. data
B. Event Viewer
C. Device Manager
D. BIOS settings
E. Performance Monitor
 
Correct Answer: B

A stop error, commonly called the blue screen of death, blue screen, or BSoD, is an error screen displayed on a Windows computer system following a fatal system error.

A user calls the help desk stating a laptop is performing slowly and the hard drive activity lights are blinking continuously. A technician checks for enough hard drive space, disables antivirus and indexing services, and runs a full-system diagnostics check, which returns no failure. Which of the following should the technician do NEXT?
A. Install a new hard drive
B. Check for hard-drive firmware updates
C. Replace the hard drive with a solid state drive
D. Configure the laptop in high-performance mode
E. Change the boot order in the system BIOS
 
Correct Answer: B

Which of the following IEEE 802.11 standards includes the use of MIMO technology?
A. 802.11a
B. 802.11b
C. 802.11g
D. 802.11n
 
Correct Answer: D

Multiple-Input Multiple-Output (MIMO) is a wireless technology that uses multiple transmitters and receivers to transfer more data at the same time. All wireless products with 802.11n support MIMO. The technology helps allow 802.11n to reach higher speeds than products without 802.11n.

A technician needs to give users the ability to transfer files between mobile devices. The technician teaches the staff how to use a file transfer method in which the devices need to be in close proximity with line-of-sight access to each other. Which of the following technologies is the technician teaching to the staff?
A. IR
B. Bluetooth
C. Tethering
D. NFC
 
Correct Answer: A

Which of the following connector types is MOST appropriate to use to connect a SOHO cable modem to the ISP?
A. DB-9
B. RJ-45
C. RG-59
D. RS-232
 
Correct Answer: C

A technician is setting up a new SOHO router for a home user. The user has a media server to be accessible from the Internet while the user is traveling. Which of the following should the technician configure to allow access to the server from the Internet?
A. Port forwarding
B. NAT
C. MAC filtering
D. QoS
 
Correct Answer: A

A technician is setting up a laptop and projector for a presentation. When plugging in the projector, it mirrors the desktop screen from the laptop, but everything appears distorted and compressed. Which of the following should the technician do to correct the appearance of the image on the projector?
A. Update the laptop graphics driver.
B. Change the scaling options.
C. Change the desktop resolution.
D. Replace the video cable.
E. Utilize a USB VGA graphics adapter.
F. Adjust the keystone settings on the projector.
 
Correct Answer: C

A technician wants to set up a virtual machine in a public cloud environment. Which of the following cloud models should the technician use?
A. IaaS
B. SaaS
C. PaaS
D. DBaaS
 
Correct Answer: A

An administrator connects to the company's cloud account and builds a server that is hosted in the cloud. The server will be used as a confidential database server for one of the company's core applications. The administrator is responsible for patching and updating the server OS. Which of the following cloud models is this an example of?
A. IaaS
B. SaaS
C. PaaS
D. Public
 
Correct Answer: A

A user reports being unable to browse the Internet. A technician believes the cause of the issue is related to DNS.
Which of the following should the technician perform NEXT?
A. Test the theory by attempting to browse to a website's known IP address.
B. Implement preventive measures by manually assigning a DNS server to the PC.
C. Identify the problem by running the command ipconfig /flushdns.
D. Document the findings in the organization's local knowledge base.
 
Correct Answer: A

A user notices a laser printer is picking up multiple sheets of paper from one of its paper trays. The problem started last week and has gotten worse. Which of the following is MOST likely the cause of this problem?
A. Separation pad
B. Feed roller
C. Registration roller
D. Duplex assembly
 
Correct Answer: A

A SOHO user wants a multifunction device to be set up for the office printer. Additionally, scanning and fax capability must be set up for office employees only. Guest WiFi access will open. Which of the following configuration changes will BEST meet the user's request? (Choose two.)
A. Enable user authentication.
B. Disable remote printing.
C. Configure the print server.
D. Enable cloud settings.
E. Disable the wireless network.
F. Connect to a wired network.
 
Correct Answer: AC

Which of the following would provide power to an access point?
A. POE injector
B. Switch
C. Repeater
D. Modern
 
Correct Answer: A

Virtual machines hosted in the cloud that are used by developers to code applications are an example of:
A. FaaS
B. BaaS
C. PaaS
D. SaaS
E. IaaS
 
Correct Answer: C