合格させるCompTIA N10-008試験には保証が付きます。更新されたのは855問があります
最新のN10-008合格保証付き試験問題集の認定サンプル問題
Comptia Network+認定試験としても知られるComptia N10-008試験は、エントリーレベルのネットワーク管理者に必要な知識とスキルをテストするために設計されたベンダー中立認証試験です。この認定は世界的に認識されており、IT業界の雇用主によって高く評価されています。 N10-008試験では、ネットワークアーキテクチャ、ネットワーク操作、ネットワークセキュリティ、ネットワークトラブルシューティングなど、幅広いネットワーキングの概念をカバーしています。
質問 # 227
A network technician is troubleshooting internet connectivity issues with users in a subnet. From a host, the technician runs tcpdump and then attempts to navigate to a website using a web browser. The technician receives the following output:
Afterward, the browser displays an error. Which of the following explains this issue?
- A. The host is missing a route to the website.
- B. The host is configured with incorrect DNS settings.
- C. A broadcast storm is occurring on the subnet.
- D. A routing loop is within the network.
正解：B
質問 # 228
Which of the following network topologies involves sending all traffic through a single point?
- A. Hub-and-spoke
- B. Mesh
- C. Hybrid
- D. Point-to-point
正解：A
解説：
Hub-and-spoke is a network topology where each node connects to a central switching device, such as a hub or a switch. All traffic between the nodes must pass through the central device, which acts as a single point of communication and control. Hub-and-spoke topology is simple, easy to manage, and cost-effective, but it also has drawbacks, such as low redundancy, high latency, and scalability issues.
References:
* Network Topologies - N10-008 CompTIA Network+ : 1.21
* CompTIA Network+ Certification Exam Objectives, page 92
質問 # 229
A customer needs to distribute Ethernet to multiple computers in an office. The customer would like to use non-proprietary standards. Which of the following blocks does the technician need to install?
110
66
- A. BiX
- B. Krone
正解：A
解説：
Explanation
A 110 block is a type of punch-down block that is used to terminate twisted-pair cables in Ethernet networks.
It is a non-proprietary standard that is widely used in structured cabling systems for voice and data applications. A 110 block can support up to 100 MHz of bandwidth and can be used with Cat 3, Cat 5, Cat 5e, and Cat 6 cables12.
A 66 block is another type of punch-down block that is mainly used for telephone wiring. It is an older and less reliable standard than the 110 block and does not support high-speed data transmission3. A BiX block is a proprietary punch-down block that is developed by NORDX/CDT and is mostly used in Canada. It can support up to 250 MHz of bandwidth and can be used with Cat 5e and Cat 6 cables4. A Krone block is another proprietary punch-down block that is developed by ADC Krone and is mostly used in Europe. It can support up to 100 MHz of bandwidth and can be used with Cat 5 and Cat 5e cables.
Therefore, the best option for the customer who wants to use non-proprietary standards is the 110 block.
質問 # 230
A WAN technician reviews activity and identifies newly installed hardware that is causing outages over an eight-hour period.
Which of the following should be considered FIRST?
- A. Network performance baselines
- B. Device configuration review
- C. Routing table
- D. VLAN assignments
正解：B
解説：
* A network performance baseline is a set of metrics that represents the normal operating state of a network. It can be used to measure the impact of changes, identify anomalies, and troubleshoot issues12.
* A WAN technician should consider the network performance baseline first when identifying newly installed hardware that is causing outages, because it can help determine what has changed and how it affects the network performance3.
* VLAN assignments, routing table, and device configuration review are also important factors to consider, but they are not the first step in troubleshooting. They can be used to verify the connectivity, routing, and configuration of the new hardware, but they do not provide a clear picture of the network performance before and after the change3.
References:
* CompTIA Network+ N10-008 Study Guide, Chapter 5: Network Monitoring and Troubleshooting, pages 248-249, 264-265.
* [Professor Messer's CompTIA N10-008 Network+ Course Notes], Section 5.1: Network Troubleshooting Methodology, pages 48-49.
* [Professor Messer's CompTIA N10-008 Network+ Training Course], Video 5.1: Network Troubleshooting Methodology, [6].
質問 # 231
After installing a new wireless access point, an engineer tests the device and sees that it is not performing at the rated speeds. Which of the following should the engineer do to troubleshoot the issue? (Select two).
- A. Install the latest firmware for the device.
- B. Ensure a bottleneck is not coming from other devices on the network.
- C. Create a new VLAN for the access point.
- D. Configure the AP in autonomous mode.
- E. Install a wireless LAN controller.
- F. Make sure the SSID is not longer than 16 characters.
正解：A、B
解説：
One possible cause of poor wireless performance is a bottleneck in the network, which means that other devices or applications are consuming too much bandwidth or resources and limiting the speed of the wireless access point. To troubleshoot this issue, the engineer should ensure that there is no congestion or interference from other devices on the network, such as wired clients, servers, routers, switches, or other wireless access points. The engineer can use tools such as network analyzers, bandwidth monitors, or ping tests to check the network traffic and latency12.
Another possible cause of poor wireless performance is outdated firmware on the device, which may contain bugs or vulnerabilities that affect the functionality or security of the wireless access point. To troubleshoot this issue, the engineer should install the latest firmware for the device from the manufacturer's website or support portal. The engineer should follow the instructions carefully and backup the configuration before updating the firmware. The engineer can also check the release notes or changelog of the firmware to see if there are any improvements or fixes related to the wireless performance3 .
The other options are not relevant to troubleshooting poor wireless performance. Creating a new VLAN for the access point may help with network segmentation or security, but it will not improve the speed of the wireless connection. Making sure the SSID is not longer than 16 characters may help with compatibility or readability, but it will not affect the wireless performance. Configuring the AP in autonomous mode may give more control or flexibility to the engineer, but it will not enhance the wireless speed. Installing a wireless LAN controller may help with managing multiple access points or deploying advanced features, but it will not increase the wireless performance.
質問 # 232
The following DHCP scope was configured for a new VLAN dedicated to a large deployment of 325 loT sensors:
The first 244 loT sensors were able to connect to the TFTP server, download the configuration file, and register to an loT management system. The other sensors are being shown as offline. Which of the following should be performed to determine the MOST likely cause of the partial deployment of the sensors?
- A. Check the DHCP network scope.
- B. Check whether the NTP server is online.
- C. Check the loT devices for a hardware failure.
- D. Check the gateway connectivity to the TFTP server.
正解：A
質問 # 233
A fiber link connecting two campus networks is broken. Which of the following tools should an engineer use to detect the exact break point of the fiber link?
- A. PoE injector
- B. Cable tester
- C. OTDR
- D. Tone generator
- E. Fusion splicer
正解：C
解説：
Explanation
To detect the exact break point of a fiber link, an engineer should use an OTDR (Optical Time Domain Reflectometer). This device sends a series of pulses into the fiber, measuring the time it takes for the pulses to reflect back, and can pinpoint the exact location of the break.
References:
Network+ N10-007 Certification Exam Objectives, Objective 2.5: Given a scenario, troubleshoot copper cable issues.
FS: OTDR (Optical Time Domain Reflectometer) Testing Principle and Applications
質問 # 234
A company upgrades its network and PCs to gigabit speeds. After the upgrade, users are not getting the expected performance.
Technicians discover that the speeds of the endpoint NICs are inconsistent. Which of the following should be checked first to troubleshoot the issue?
- A. Devices' duplex settings
- B. Load balancer settings
- C. Office wiring category
- D. Speed mismatches
正解：A
解説：
Duplex settings determine how data is transmitted and received over a network. If the devices have inconsistent duplex settings, such as half-duplex and full-duplex, they may experience performance issues, collisions, and errors. To troubleshoot the issue, the technicians should check the devices' duplex settings and make sure they match the network's configuration.
References:
* Gigabit Ethernet does not work - Microsoft Community1
* Network Tests: Are We Getting Gigabit Performance? - Tom's Hardware2
* CompTIA Network+ N10-008 Exam Objectives
https://www.comptia.org/certifications/network#examdetails
質問 # 235
A network administrator needs to create an SVI on a Layer 3-capable device to separate voice and data traffic.
Which of the following best explains this use case?
- A. A logical interface used when the number of physical ports is insufficient
- B. A physical interface used for management access
- C. A logical interface used for the routing of VLANs
- D. A physical interface used for trunking logical ports
正解：C
解説：
Explanation
An SVI, or switched virtual interface, is a logical interface that is created on a Layer 3-capable device, such as a multilayer switch or a router. An SVI is associated with a VLAN and can be used to route traffic between different VLANs on the same device or across multiple devices. An SVI can also provide management access, security features, and quality of service (QoS) for the VLAN. An SVI is different from a physical interface, which is a port that connects to a physical device or network. A physical interface can be used for trunking, which is a method of carrying multiple VLANs over a single link, or for connecting to a single VLAN. An SVI is also different from a subinterface, which is a logical division of a physical interface that can be assigned to different VLANs.
References:
VLANs and Trunking - N10-008 CompTIA Network+ : 2.11
Switched Virtual Interfaces - N10-008 CompTIA Network+ : 2.22
質問 # 236
A network administrator needs to change where the outside DNS records are hosted. Which of the following records should the administrator change at the registrar to accomplish this task?
- A. CNAME
- B. NS
- C. SOA
- D. PTR
正解：B
解説：
Explanation
NS stands for Name Server, and it is a DNS record that specifies which servers are authoritative for a domain.
The registrar is the entity that manages the domain registration and delegation, and it maintains the NS records for each domain. To change where the outside DNS records are hosted, the network administrator needs to change the NS records at the registrar to point to the new DNS servers that will host the outside DNS records.
References:
DNS Record Types - N10-008 CompTIA Network+ : 1.61
CompTIA Network+ N10-008 Cert Guide, page 1472
質問 # 237
The network administrator is informed that a user's email password is frequently hacked by brute-force programs. Which of the following policies should the network administrator implements to BEST mitigate this issue? (Choose two.)
- A. Complex passwords
- B. Role-based access
- C. Geofencing
- D. Captive portal
- E. Two-factor authentication
- F. Explicit deny
正解：A、E
解説：
Two-factor authentication (2FA) is a method of verifying a user's identity by requiring two pieces of evidence, such as something the user knows (e.g., a password) and something the user has (e.g., a token or a smartphone). 2FA adds an extra layer of security that makes it harder for hackers to access a user's account by brute-force programs. Complex passwords are passwords that are long, random, and use a combination of uppercase and lowercase letters, numbers, and symbols. Complex passwords are more resistant to brute-force attacks than simple or common passwords. Reference: https://partners.comptia.org/docs/default-source/resources/comptia-network-n10-008-exam-objectives-(2-0), https://www.csoonline.com/article/3225913/what-is-two-factor-authentication-2fa-how-to-enable-it-and-why-you-should.html, https://www.howtogeek.com/195430/how-to-create-a-strong-password-and-remember-it/
質問 # 238
Which of the following should a network administrator configure when adding OT devices to an organization's architecture?
- A. Data-at-rest encryption
- B. Time-based authentication
- C. Honeynet
- D. Network segmentation
正解：D
解説：
Network segmentation is the process of dividing a network into smaller subnets or segments, each with its own security policies and access controls. This can help isolate OT devices from IT devices, guest networks, and other potential threats, as well as improve network performance and efficiency. Network segmentation is a recommended security practice for OT environments, as it can limit the attack surface, contain the damage of a breach, and comply with regulatory standards.
https://sectrio.com/complete-guide-to-ot-network-segmentation/
質問 # 239
A network technician is investigating why a core switch is logging excessive amounts of data to the syslog server. The running configuration of the switch showed the following logging information:
Which of the following changes should the technician make to BEST fix the issue?
- A. Adjust the logging level.
- B. Update the logging host IP
- C. Change lo asynchronous logging.
- D. Stop logging SSH events.
正解：A
解説：
Explanation
The logging level is set to debugging, which is the most verbose and detailed level of logging. This means that the switch will send a lot of information to the syslog server, which can cause excessive network traffic and storage consumption. To fix the issue, the technician should adjust the logging level to a lower value, such as informational or warning, which will reduce the amount of data logged
質問 # 240
Which of the following is the MOST cost-effective alternative that provides proper cabling and supports gigabit Ethernet devices?
- A. Multimode fiber with an SC connector
- B. Cable termination using TIA/EIA-568-B
- C. Twisted cable with a minimum Cat 5e certification
- D. Twinaxial cabling using an F-type connector
正解：C
解説：
Explanation
twisted cable with a minimum Cat 5e certification is the MOST cost-effective alternative that provides proper cabling and supports gigabit Ethernet devices.
質問 # 241
A company's data center is hosted at its corporate office to ensure greater control over the security of sensitive data. During times when there are increased workloads, some of the company's non-sensitive data is shifted to an external cloud provider. Which of the following cloud deployment models does this describe?
- A. Public
- B. Hybrid
- C. Private
- D. Community
正解：B
解説：
* A hybrid cloud is a cloud deployment model that combines two or more different types of clouds, such as public, private, or community clouds12. A hybrid cloud allows an organization to leverage the benefits of both types of clouds, such as scalability, cost-efficiency, security, and control34.
* In the scenario, the company uses a private cloud to host its data center at its corporate office, which ensures greater control over the security of sensitive data. A private cloud is a cloud deployment model
* that is exclusively used by a single organization and is usually hosted on-premises or by a third-party provider12. A private cloud offers the highest level of security, privacy, and customization, but also requires more resources and maintenance34.
* During times when there are increased workloads, some of the company's non-sensitive data is shifted to an external cloud provider, which is most likely a public cloud. A public cloud is a cloud deployment model that is shared by multiple organizations and is hosted and managed by a third-party provider12. A public cloud offers the lowest cost, highest scalability, and widest availability, but also has less security, privacy, and customization34.
* Therefore, the best answer is A. Hybrid, which describes a cloud deployment model that combines a private cloud and a public cloud.
References:
* 1: CompTIA Network+ N10-008 Certification Study Guide, page 483
* 2: CompTIA Network+ Certification Exam Objectives, page 18
* 3: [What is Hybrid Cloud? - Definition from WhatIs.com]
* 4: [Hybrid Cloud Computing | CompTIA IT Certifications]
質問 # 242
A technician is investigating a SAN switch that has a high number of CRC errors. Which of the following is the MOST likely cause of the errors?
- A. Bad switch port
- B. Break in the fiber
- C. Memory errors
- D. Mismatched duplex
正解：A
解説：
Explanation
A bad switch port is the most likely cause of CRC errors on a SAN switch. CRC stands for cyclic redundancy check, which is a method of detecting errors in data transmission. A SAN switch is a device that connects storage devices and servers in a storage area network (SAN), which is a high-performance network that provides block-level access to data. A bad switch port can cause CRC errors due to physical damage, faulty wiring, or misconfiguration. CRC errors can result in data corruption or loss, which can affect the performance and availability of the SAN. References: [CompTIA Network+ Certification Exam Objectives], What are CRC Errors and How Do I Fix Them? | ITIGIC
質問 # 243
A network administrator connects two unmanaged switches together with a straight-through Ethernet cable. The administrator reviews the connection and notices that the uplinks are not on. Which of the following options offers the best solution for the issue?
- A. The ports need the IP address configured.
- B. A crossover cable needs to be used.
- C. The ports need to be enabled.
- D. The switches needs to be rebooted after connecting.
- E. A rollover cable needs to be used.
正解：B
解説：
When connecting two unmanaged switches together, the use of a straight-through Ethernet cable is typically incorrect unless the switches support auto-mdix (automatic medium-dependent interface crossover), which automatically adjusts the connection to allow for different types of cables. Older or more basic unmanaged switches often require a crossover cable when connecting similar devices (switch-to-switch or hub-to-hub) to ensure the transmit pins on one end match the receive pins on the other end. This allows data to flow correctly between the two devices. Since the uplinks are not on, it suggests that the correct pin alignment is not being achieved with the straight-through cable, and a crossover cable should be used instead.
質問 # 244
Users are reporting intermittent Wi-Fi connectivity in specific parts of a building. Which of the following should the network administrator check FIRST when troubleshooting this issue? (Select TWO).
- A. EIRP
- B. Site survey
- C. Captive portal
- D. AP placement
- E. SSID assignment
- F. AP association time
正解：B、D
解説：
This is a coverage issue. WAP placement and power need to be checked. Site survey should be done NEXT because it takes a while.
質問 # 245
A systems administrator is configuring a firewall using NAT with PAT. Which of the following would be BEST suited for the LAN interface?
- A. 172.23.0.0/16
- B. 172.15.0.0/18
- C. 172.32.0.0/14
- D. 172.28.0.0/8
- E. 172.18.0.0/10
正解：A
解説：
Network address translation (NAT) and Port address translation (PAT) are often used to translate between global and private ip addresses. Private address for Class B is 172.16.0.0 to
172.31.255.255. Only 172.23.0.0/16 fit the range.
質問 # 246
A technician just validated a theory that resolved a network outage. The technician then verified that all users could access resources. Which of the following is the next step the technician should take in the network troubleshooting methodology?
- A. Write the lessons learned.
- B. Verify the services are restored.
- C. Identify where the network outage is occurring.
- D. Test a new theory.
正解：A
解説：
The network troubleshooting methodology is a systematic process of identifying and resolving network problems. It consists of eight steps:
1. Identify the problem.
2. Establish a theory of probable cause.
3. Test the theory to determine the cause.
4. Establish a plan of action to resolve the problem and identify potential effects.
5. Implement the solution or escalate as necessary.
6. Verify full system functionality and, if applicable, implement preventive measures.
7. Document findings, actions, and outcomes.
8. Write the lessons learned.
The last step, writing the lessons learned, is important for improving the network troubleshooting skills and knowledge. It involves reviewing the entire troubleshooting process, analyzing the root cause of the problem, evaluating the effectiveness of the solution, and identifying any best practices, tips, or tools that can be used for future reference. Writing the lessons learned can also help to update the network documentation, policies, and procedures, and share the experience and feedback with other network professionals
質問 # 247
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Comptia Network+認定試験としても知られるComptia N10-008は、ネットワーク管理を専門とするITプロフェッショナルの高度に認められた認定試験です。この認定は、有線およびワイヤレスネットワークの設計、管理、トラブルシューティングに必要なスキルと知識を検証するように設計されています。
最新N10-008テスト材料には有効なN10-008テストエンジン：https://www.passtest.jp/CompTIA/N10-008-shiken.html
N10-008更新された試験問題集で[2025年最新] 練習には有効な試験問題集：https://drive.google.com/open?id=1qhVfkiMC3_oYQqh2_8tFaXpBqAODoN-8