Most Recent CompTIA N10-008 Exam Questions & Answers

Latencyis 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.

Accessibilityis 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 internetis 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 thehighest latencywhile being themost accessiblecompared to the other options because:

Satellite internet has to send and receive data over long distances between the earth and the satellites, which adds significant delay to the transmission. The average latency for satellite internet is around 600 ms, which is much higher than the other types of internet, which usually have latency below 100 ms .

Satellite internet is themost accessiblebecause it can reach almost any location on the planet, as long as there is a clear line of sight between the satellite dish and the sky. It does not depend on cables, wires, or towers, which may not be available or affordable in some areas .

The other options are not correct because:

DSL(Digital Subscriber Line) is a type of broadband service that uses existing telephone lines to deliver data signals. It is widely available in urban and suburban areas, but may not reach some rural or remote areas. It has low to moderate latency, usually around 10 to 70 ms .

Cableinternet is a type of broadband service that uses coaxial cables that carry TV signals to deliver data signals. It is also widely available in urban and suburban areas, but may not reach some rural or remote areas. It has low to moderate latency, usually around 10 to 50 ms .

4G(Fourth Generation) is a type of wireless broadband service that uses cellular towers to deliver data signals. It is available in most populated areas, but may not have good coverage or signal strength in some rural or remote areas. It has low to moderate latency, usually around 20 to 40 ms .

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

A north-south traffic flow is a term used to describe the communication between a user or device outside the network and a server or service inside the network. For example, a public internet user accessing a published web server is a north-south traffic flow. This type of traffic flow typically crosses the network perimeter and requires security measures such as firewalls and VPNs.Reference:CompTIA Network+ N10-008 Certification Study Guide, page 16;The Official CompTIA Network+ Student Guide (Exam N10-008), page 1-9.

North-south traffic flow refers to the flow of traffic between the internal network of an organization and the external world. This type of traffic typically flows from the internet to the organization's internal network, and back again.

Examples of north-south traffic flow include:

A public internet user accessing a published web server

A remote employee connecting to a VPN

An email client sending email to an external server

A customer connecting to an e-commerce website

CompTIA Network+ N10-008 Exam Objectives, Version 5.0, August 2022, page 12

CompTIA Network+ Certification Study Guide, Seventh Edition, Todd Lammle, Sybex, 2022, page 17

Zero Trust is a security framework that requires all users, whether in or outside the organization's network, to be authenticated, authorized, and continuously validated for security configuration and posture before being granted or keeping access to applications and data. Zero Trust prevents attackers from moving laterally through a system by applying granular policies and controls based on the principle of least privilege and by segmenting and encrypting data flows across the network. Reference: https://partners.comptia.org/docs/default-source/resources/comptia-network-n10-008-exam-objectives-(2-0), https://www.crowdstrike.com/cybersecurity-101/zero-trust-security/

To improve performance for videoconferencing, the company should configure Quality of Service (QoS). This technology allows for the prioritization of network traffic, ensuring that videoconferencing traffic is given higher priority and therefore better performance. Link Aggregation Control Protocol (LACP), Dynamic routing, Network load balancer, and Static IP addresses are not directly related to improving performance for videoconferencing.

Network+ N10-007 Certification Exam Objectives, Objective 2.6: Given a scenario, implement and configure the appropriate wireless security and implement the appropriate QoS concepts.

Port mirroring is a method of monitoring network traffic by copying the data packets from one port to another port on the same switch or router. This allows the network security administrator to analyze the contents of the data sent between different networks without affecting the performance or security of the original traffic. Port mirroring can be configured to capture all traffic or only specific types of traffic, such as VLANs, protocols, or IP addresses.

Port Mirroring - CompTIA Network+ N10-008 Domain 3.1 - YouTube1

CompTIA Network+ Certification Exam Objectives, page 142