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A user's laptop is experiencing severe slowdowns when operating process-intensive tasks. Which of the following memory upgrades is compatible with a laptop?
SODIMM stands for Small Outline Dual In-line Memory Module and is a type of memory module that is compatible with laptops and other small devices. SODIMMs are smaller and thinner than DIMMs (Dual In-line Memory Modules), which are typically used for desktop PCs and servers. Upgrading or adding SODIMMs can increase the amount of RAM available for a laptop, which can improve its performance and speed when running process-intensive tasks. Reference: https://partners.comptia.org/docs/default-source/resources/a-core-series-combined-content-guide (page 24)
SIMULATION
A third-party contractor recently installed a new switch, router, and cabling for a small
corporate office. After the installation, users started experiencing issues connecting to
resources over the network.
INSTRUCTIONS
Click on each PC and server to review outputs. From the remediation section on
the right, select an issue and solution for each device.
Looking at the network configurations and outputs from both PCs and servers, here are the possible issues and solutions:
1. PC 1
Issue: The IP address for PC1 is 192.168.1.1, which conflicts with Server 1 (which also uses 192.168.1.1).
Solution: Change the IP address on PC1 to a unique one within the range, like 192.168.1.3.
2. PC 2
Issue: PC 2 is configured with 192.168.1.2, which conflicts with Server 2 that has the same IP address.
Solution: Update the IP address on PC 2 to something unique, like 192.168.1.4.
3. Server 1
Issue: The IP address for Server 1 is 192.168.1.1, which conflicts with PC1.
Solution: Since Server 1 and PC1 are using the same IP address, change one of them. For Server 1, you could change the IP address to 192.168.1.5.
4. Server 2
Issue: Server 2 is using the IP address 192.168.1.2, which conflicts with PC2.
Solution: Update Server 2 to use a different IP address, such as 192.168.1.6.
General Remediation:
The primary problem here is overlapping IP addresses, leading to connectivity issues. Each device on the network must have a unique IP address. After making these changes, ensure that all devices can communicate properly by testing the connection between devices and verifying they can access shared resources.
A technician configured a new SOHO router for a small business. The ISP gave the technician an IP address on the router's WAN port. Which of the following addresses did the technician most likely configure on the router?
This is an example of a public IP address that can be assigned by an ISP to a router's WAN (Wide Area Network) port. A public IP address is a globally unique and routable address that allows a device to communicate with other devices on the internet. A private IP address, such as 10.1.50.30 or 172.22.40.6, is a non-routable address that is used within a local network and cannot be directly accessed from the internet. A link-local IP address, such as 169.254.168.10, is a self-assigned address that is used when a device cannot obtain a valid IP address from a DHCP server.
Which of the following involves installing an application on a server so several users can run the application concurrently without the need for local installation?
Client virtualization involves installing an application on a server and enabling multiple users to run the application simultaneously via virtualized sessions. This eliminates the need for individual installations on local machines.
Why Not B (Software as a Service): SaaS delivers software over the internet and does not require local installations but is managed by a third party, not the organization itself.
Why Not C (Sandboxing): Sandboxing is for isolating applications for security testing, not for concurrent user access.
Why Not D (Embedded software): Embedded software is installed on hardware devices, not shared across multiple users.
CompTIA A+ Exam Reference: Core 1 (220-1101), Section 4.2, virtualization concepts.
A financial institution needs a secure way to protect encryption keys used for unlocking chips on its credit cards Which of the following should the institution use?
A Hardware Security Module (HSM) securely manages cryptographic keys, including those used to protect credit card chips.
Why Not A (TLS): TLS secures data in transit, not encryption key storage.
Why Not B (AMD): AMD refers to processors, not security modules.
Why Not D (ARM): ARM is a processor architecture, not a cryptographic security solution.
CompTIA A+ Exam Reference: Core 2 (220-1102), Section 2.5, cryptographic hardware.
