Study guides, Class notes & Summaries

Which command-line tool displays all the files and folders in a specific directory? Dir What action is always recommended before making any major changes to a critical system? Make backups What should you avoid learning at all costs? Customer passwords In ________________, the cores in multicore CPUs to divide up work independently in the OS multicore processing An essential tool in Linux for technicians is the command line, called Terminal What is an impo...

1. What two motherboard components control the system boot operations? (Choose two.) BIOS chip* UEFI chip* 2. What motherboard chip controls high speed CPU communication to RAM and the video card? Northbridge* 3. What is a possible use for virtual computing? to run old applications that are not compatible with current operating systems* 4. True or False? Thin clients require a network connection to remote servers to perform data processing. true* 5. What is th...

During an assessment of a manufacturing plant, a security analyst finds several end-of-life programmable logic controllers, which have firmware that was last updated three years ago and known vulnerabilities. Which of the following BEST mitigates the risks associated with the PLC's? Implement network segmentation to isolate the devices A user is attempting to view and older sent email, but is unable to open the email. Which of the following is the MOST likely cause? The private certifi...

32-bit operating system An operating system based on 32-bit commands that can address 32-bit memory locations. 3D printing A fabrication process, also known as additive manufacturing, in which three-dimensional products are created by adding thin layers of material on top of each other. 3G (third generation) An old cellular networking technology that was popular in the 1990s and early 2000s; replaced by 4G. 4G (fourth generation) A generation of cellular technology that ...

CompTIA Security+ Certification Exam SY0-701 Practice Test with 100% correct answersWhich of the following answers can be used to describe technical security controls? Sometimes called logical security controls Executed by computer systems (instead of people) Implemented with technology Which of the answers listed below refer to examples of technical security controls? Encryption IDSs (Intrusion Detection System) Firewalls Which of the following answers refer to the character...

Layer 1 - Physical layer signaling, cabling, connectors (Cable, NIC, Hub) Layer 2 - Data Link the switching layer (frames, MAC addresses, EUI-48, EUI-64, switches) Layer 3 - Network the routing layer (IP addresses, routers, packets) Layer 4 - Transport the "post office" layer (TCP segments, UDP datagrams), ports Layer 5 - Session communication between devices (control protocols, tunneling protocols) Layer 6 - Presentation encoding and encryption (SSL/TL...

3 Origins of Law in today's legal system 1. Constitutional Law 2. Statutory Law 3. Case Law Constitutional Law (Basic Laws of a nation/state) the SUPREME law of the land. - defines the powers and duties of the government - guarantees certain rights to the public - Federal, local, and state courts are bound by U.S Constitution ** States can ADD, but CANNOT take away from U.S Constitution civil liberties. *** Law Enforcement Officers are bound by this Statutory Laws (Stat...

CompTIA A+ Certification Practice Test 1 with 100% correct answers.

CompTIA A+ Certification Practice Test 1 (Exam 220-1001) with 100% correct answers

Which of the following answers refer to common battery types that can be found in modern portable devices? Nickel-Iron (Ni-Fe) Lithium-ion (Li-ion) Nickel-Metal Hydride (Ni-MH) Lithium-ion Polymer (LiPo) Nickel-Cadmium (Ni-Cd) Lithium-ion (Li-on) Lithium-ion Polymer (LiPo) Which laptop features allows to overcome standard keyboard size restrictions? Touchpad Numeric keypad Fn key Digitizer Fn key What is the most common memory module form factor type used in laptops? ...