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| Section | Weight | Objectives |
|---|---|---|
| Data and Database Fundamentals | 13% | - Database structures: relational, non-relational - Database concepts and purposes - Value of data and information - Data backup and storage options |
| Infrastructure | 24% | - Internet service types and connectivity - Peripheral devices and interfaces - Common computing devices and purposes - Internal computing components - Networking concepts and wireless networks - Storage types and characteristics - Virtualization and cloud technologies |
| IT Concepts and Terminology | 13% | - Units of measure: storage, speed, throughput - Notational systems: binary, hexadecimal, decimal, octal - Troubleshooting methodology - Basics of computing: input, processing, output, storage |
| Software Development Concepts | 13% | - Logic concepts: branching, looping - Fundamental data types and structures - Programming language categories - Programming constructs: variables, functions, arrays |
| Security | 19% | - Device and password security best practices - Encryption: data at rest, data in transit - Common threats: phishing, social engineering - Wireless network security - Security frameworks: CIA Triad - Authentication and authorization |
| Applications and Software | 18% | - Operating system components and purpose - Artificial intelligence tools and uses - Software types and proper use - Web browser configuration and features |
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NEW QUESTION # 317
Which of the following network devices permits and restricts network traffic as its primary function?
Answer: B
Explanation:
The CompTIA Tech+ Study Guide explains:
"Firewalls filter network traffic. Firewalls filter inbound and outbound network traffic based on rules defined by the administrator. That list of rules is called an access control list (ACL). By default, most firewalls are configured as default deny, which means that all traffic is blocked unless specifically authorized by the administrator." Therefore, a firewall is the network security device that primarily permits and restricts traffic based on predefined rules.
Verified Reference:
* Chapter 5: Software Applications - "Software Firewalls" (pp. 316-317).
* Chapter 8: Networking Concepts and Technologies - "Firewalls" (pp. 447-448).
NEW QUESTION # 318
Given the following pseudocode:
10 FOR Q=1 TO 100
20 PRINT Q
30 NEXT Q
40 EXIT
Which of the following best represents line 10?
Answer: D
Explanation:
Line 10 (FOR Q=1 TO 100) initializes a loop that iterates from 1 to 100.
Other options:
*Sequence refers to a straight execution of instructions,
*Branch involves decision-making (e.g., IF...THEN),
*Attribute is a descriptive property, not a control structure.
NEW QUESTION # 319
A user needs to read documentation on a device while walking around outdoors in bright sunlight. Which of the following is the best type of device for this purpose?
Answer: C
Explanation:
E-readers (especially those using e-ink displays) are specifically designed for reading in bright environments. E-ink mimics the appearance of ink on paper, offering excellent visibility in sunlight with minimal glare and very low power consumption.
"E-readers use e-ink technology which makes the screen easily readable in bright environments like sunlight. This makes them ideal for reading documentation outdoors." - CompTIA ITF+ Guide Laptops, tablets, and smartphones may suffer from glare or screen dimming in direct sunlight.
Correct answer: C
NEW QUESTION # 320
A user is having trouble accessing an application. Which of the following should a help desk analyst do first?
Answer: C
Explanation:
This follows standard IT troubleshooting methodology - the first step is always to identify and scope the problem before taking any corrective action. A help desk analyst needs to determine the root cause category (is this a permissions/access problem, a network connectivity problem, an application error, etc.) before deciding what specific fix to apply. Jumping straight to a fix without diagnosing the actual cause risks wasting time or applying the wrong solution.
NEW QUESTION # 321
Which of the following best describes a group of computers that are in close proximity to each other on the same network?
Answer: A
Explanation:
A Local Area Network (LAN) is a group of computers located in close proximity (such as an office or building) connected on the same network.
Other options:
*MAC refers to a hardware address,
*Peer-to-peer describes a network model without centralized servers,
*Client/server describes a network model with centralized servers serving clients.
NEW QUESTION # 322
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