1. A user is no longer able to browse the Internet after returning from vacation. The user is able to log in and navigate to the local intranet, but not to any outside sites.A technician pings a well-known website by name but gets no reply. The technician then pings its IP address and gets a reply.Which of the following commands will MOST likely resolve the issue?

A) A. ipconfig /all
B) B. ipconfig /flushdns
C) C. ipconfig /release
D) D. ipconfig /setclassid



2. A technician is determining the specifications for a desktop computer that will be used at trade shows all over the world. The computer will have the maximum amount of RAM. The CPU, GPU, and storage will be typical of a business workstation.Which of the following system parameters is the MOST important for the technician to consider when choosing a power supply?

A) A. Input voltage
B) B. Efficiency rating
C) C. 12V rail amperage
D) D. Number of SATA connectors



3. 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) A. Set up MAC filtering on the switch to ensure the printer gets the same IP.
B) B. Set up the users to print using the newly assigned IP address.
C) C. Create an IP reservation for the printer on the DHCP server.
D) D. Statically assign the current IP address to the printer.



4. A technician upgraded the memory on a server from two 8GB sticks to eight 32GB sticks. The server memory is now at full capacity per the user guide. When the technician powers on the system, only 128GB of memory is recognized by the OS and the BIOS. The technician decides to upgrade to the latest version of the firmware on the system, which does not help. Next, the technician installs the memory in sets of 64GB at a time. Each individual set of 64GB is fully recognized by the server.Which of the following will not allow the server to recognize all of the memory installed at the same time?

A) A. The power supply is not supplying enough power for the memory.
B) B. The memory has too many ECC errors and is shutting down
C) C. The server is overheating when all of the memory is installed.
D) D. The server needs DDR4 memory, and DDR3 is installed.



5. After answering a service call, you find a customer-s computer is dead. Which of the following checks would you perform first?

A) A. Check to see if the power supply is functional.
B) B. Check the CMOS battery.
C) C. Check the AC outlet voltage.
D) D. Check for excessive EMI.