CompTIA 220-1201 Exam Questions
CompTIA A+ Certification: Core 1 (Page 10 )

Updated On: 9-Mar-2026

An IT specialist sets up a wireless router in a SOHO environment. Afterward, several devices cannot access the internet and are assigned IP addresses starting with 169.254.
Which of the following is the best action to resolve this issue?

  1. Reboot the wireless router.
  2. Shorten the lease time.
  3. Use static IP addresses.
  4. Increase the DHCP pool size.

Answer(s): A

Explanation:

Addresses in the 169.254.x.x range indicate the clients were unable to contact a DHCP server and fell back to

APIPA. Since the router provides DHCP in a SOHO setup, restarting it will restore the DHCP service so devices can obtain valid IP addresses again.



A customer reports slow network speeds.
Which of the following components is most likely failing?

  1. CPU
  2. NIC
  3. HDD
  4. RAM

Answer(s): B

Explanation:

The Network Interface Card is responsible for handling all network traffic. If it's failing or degraded, you'll observe slow network throughput even when other components are functioning correctly.



A support technician receives a call stating that a user has added a device to the network. The user used the same configurations from another workstation.
When both workstations are turned on, neither can access the network reliably.
Which of the following is the most likely cause of the issue?

  1. The new computer has a duplicate IP address.
  2. The DNS server is registering both hostnames.
  3. The network cable was improperly terminated
  4. The security on the switchport needs to be reset.

Answer(s): A

Explanation:

By cloning the other workstation's network settings, both machines share the same IP. An IP conflict prevents either from reliably communicating on the network, assigning a unique address to the new PC resolves the issue.



A technician needs to confirm that desktop PCs can be deployed to a global, remote workforce.
Which of the following specifications should the technician validate?

  1. Input voltage
  2. BIOS language support
  3. Supply chain security
  4. Power efficiency

Answer(s): A

Explanation:

Verifying that the PCs' power supplies support the full range of international mains voltages (typically 100­240 VAC) ensures they can be plugged in and powered reliably in any country without needing specialized transformers.



A company deploys server machines in a public cloud.
Which of the following cloud service models is this an example of?

  1. Platform as a service
  2. Anything as a service
  3. Infrastructure as a service
  4. Software as a service

Answer(s): C

Explanation:

Deploying and managing virtual server instances in a public cloud, while the provider handles the underlying hardware, networking, and virtualization layer, is the hallmark of IaaS.



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