CompTIA Network+ N10-008 Reddit Questions

Since neither of the switches supports MDIX, the systems administrator should use a Crossover cable to connect the two network switches via copper cabling. Here’s why:

• Straight cable (Option A) is used to connect different types of devices (e.g., switch to computer) and not switches to switches.
• Crossover cable (Option B) is specifically designed for connecting similar devices (e.g., switch to switch, switch to hub) without MDIX support.
• Patch cable (Option C) is a general term for Ethernet cables and doesn’t specify whether it’s straight or crossover.
• Rollover cable (Option D) is used for console connections to network devices (e.g., connecting to a router or switch console port).

Therefore, the correct answer is B. Crossover

• The question asks about the best wireless standard for a WLAN project that involves MU-MIMO and dual-band frequencies.
• The answer is not A, because 802.11ac is a wireless standard that supports MU-MIMO, but only operates on the 5GHz frequency band, which does not meet the project requirement of compatibility with 2.4GHz clients.
• The answer is not C, because 802.11g is a wireless standard that operates on the 2.4GHz frequency band, but does not support MU-MIMO, which is a key feature for improving connection performance in high-density areas.
• The answer is not D, because 802.11n is a wireless standard that operates on both 2.4GHz and 5GHz frequency bands, but only supports SU-MIMO (Single-User Multiple-Input Multiple-Output), which is less efficient and scalable than MU-MIMO for multiple concurrent connections.
• The answer is B, because 802.11ax is a wireless standard that supports MU-MIMO and operates on both 2.4GHz and 5GHz frequency bands, which meets the project requirements of compatibility and performance. 802.11ax is also known as Wi-Fi 6, and it offers higher data rates, lower latency, and better energy efficiency than previous wireless standards.

References:

• : CompTIA Network+ N10-008 Study Guide, Chapter 3: Network Components, Section 3.1: Network Devices, p. 121
• : CompTIA Network+ N10-008 Study Guide, Chapter 3: Network Components, Section 3.2: Wireless Technologies, p. 134
• : CompTIA Network+ N10-008 Study Guide, Chapter 3: Network Components, Section 3.2: Wireless Technologies, p. 136
• : CompTIA Network+ N10-008 Study Guide, Chapter 3: Network Components, Section 3.2: Wireless Technologies, p. 139

MAC address reservation is the technique that allows a device to maintain the same IP address lease based on the physical address of a network card. MAC address reservation is a feature of DHCP that allows network administrators to assign specific IP addresses to specific devices based on their MAC addresses. A MAC address is a unique identifier that is assigned to each network interface card (NIC) by its manufacturer. A MAC address reservation can ensure that a device always receives the same IP address from the DHCP server, regardless of its location or connection time. This can be useful for devices that need consistent network access or configuration, such as servers, printers, or cameras. References: [CompTIA Network+ Certification Exam Objectives], How to Reserve IP Addresses with DHCP Server

• Latency is the time it takes for a data packet to travel from one point to another on a network. It is measured in milliseconds (ms) and affects the quality and speed of online activities such as gaming, video conferencing, and web browsing12.
• Accessibility is the availability of a network service to users in different locations and situations. It depends on factors such as coverage area, infrastructure, cost, and compatibility3 .
• Satellite internet is a type of broadband service that uses satellites orbiting the earth to transmit and receive data signals. It is often used in rural or remote areas where other types of internet are not available or reliable .
• Satellite internet is most likely to have the highest latency while being the most accessible compared to the other options because:
• The other options are not correct because:

References:

• 1: What is Latency? - Cloudflare
• 2: How Latency Affects Internet Speed - Lifewire
• 3: What is Internet Accessibility? - Techopedia
• : Internet Accessibility - World Bank
• : What is Satellite Internet? - How-To Geek
• : Satellite Internet: What It Is and How It Works - PCMag
• : What is DSL Internet? - HighSpeedInternet.com
• : DSL vs. Cable vs. Fiber vs. Satellite Internet—Compare Internet Types - Business.org
• : What is Cable Internet? - HighSpeedInternet.com
• : Broadband grudge match: Cable vs. DSL vs. 4G - Digital Trends
• : What is 4G? - Verizon
• : 4G vs. LTE: The differences explained - Digital Trends