試験問題と解答はN10-008学習ガイド問題を試そう！
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N10-008試験では、ネットワークテクノロジー、インストールと構成、メディアとトポロジ、セキュリティ、ネットワーク管理など、幅広いトピックをカバーしています。この試験は、90の複数選択とパフォーマンスベースの質問で構成されており、90分の時間制限があります。この試験では、900のうち720の合格スコアが必要です。
質問 # 301
Which of the following can be used to identify users after an action has occurred?
- A. Motion detectors
- B. Access control vestibule
- C. Cameras
- D. Asset tag
正解：C
解説：
Explanation
Cameras can be used to identify users after an action has occurred by recording their faces, clothing, or other distinctive features. Cameras are often used as a deterrent and a forensic tool for security purposes. Access control vestibules, asset tags, and motion detectors are not effective in identifying users, but rather in controlling access, tracking assets, and detecting movement.
References:
CompTIA Network+ N10-008 Certification Exam Objectives, Domain 5.0: Network Security, Subobjective
5.1: Summarize the importance of physical security controls, page 231
CompTIA Network+ Certification All-in-One Exam Guide, Eighth Edition (Exam N10-008), Chapter 18:
Network Security, Section: Physical Security, page 7372
質問 # 302
A technician is assisting a user who cannot connect to a network resource. The technician first checks for a link light. According to troubleshooting methodology, this is an example of:
- A. using a bottom-to-top approach.
- B. questioning the obvious.
- C. documenting a finding.
- D. establishing a plan of action.
正解：A
解説：
Using a bottom-to-top approach means starting from the physical layer and moving up the OSI model to troubleshoot a network problem. Checking for a link light is a physical layer check that verifies the connectivity of the network cable and device. References:
https://www.professormesser.com/network-plus/n10-007/troubleshooting-methodologies-2/
質問 # 303
A technician is writing documentation regarding a company's server farm. The technician needs to confirm the server name for all Linux servers. Which of the following commands should the technician run?
- A. nslookup
- B. route
- C. arp
- D. ipconfig
正解：A
解説：
The nslookup command should be run to confirm the server name for all Linux servers. Nslookup is a tool that queries DNS servers to resolve hostnames to IP addresses or vice versa. It can also provide other information about DNS records, such as MX, NS, SOA, etc. By running nslookup with the IP address of a Linux server, the technician can obtain its hostname. References:
https://www.howtogeek.com/663056/how-to-use-the-nslookup-command-on-linux/
質問 # 304
A user is having trouble uploading files to a server. However, other users in the department are not experiencing this issue. The network administrator checks the access switch and sees multiple CRC errors on that user's switchport. Which of the following should the network administrator do first?
- A. Replace theNIC for the user's PC.
- B. Replace theaccess switch.
- C. Replace theuplink cable for the access switch.
- D. Replace theuser's network cable.
正解：D
解説：
When a network administrator observes CRC errors on a specific switchport associated with one user, the first troubleshooting step recommended is to replace the user's network cable. CRC errors are often indicative of physical layer issues such as noise, interference, or damaged cables. By replacing the network cable, the administrator can potentially resolve these errors without more drastic measures like replacing hardware components (NIC, switch, or uplink cables), which could be more costly and less effective as initial steps. This approach minimizes downtime and is a cost-effective first step in the troubleshooting process.
質問 # 305
SIMULATION
You have been tasked with setting up a wireless network in an office. The network will consist of 3 Access Points and a single switch. The network must meet the following parameters:
The SSIDs need to be configured as CorpNet with a key of S3cr3t!
The wireless signals should not interfere with each other
The subnet the Access Points and switch are on should only support 30 devices maximum The Access Points should be configured to only support TKIP clients at a maximum speed INSTRUCTONS Click on the wireless devices and review their information and adjust the settings of the access points to meet the given requirements.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
正解：
解説：
See explanation below.
Explanation
On the first exhibit, the layout should be as follows
Graphical user interface, text, application, chat or text message Description automatically generated
Graphical user interface Description automatically generated
Graphical user interface, text, application, chat or text message Description automatically generated
Graphical user interface Description automatically generated
Exhibit 2 as follows
Access Point Name AP2
Graphical user interface Description automatically generated
Graphical user interface, text, application, chat or text message Description automatically generated
Graphical user interface Description automatically generated
Exhibit 3 as follows
Access Point Name AP3
Graphical user interface Description automatically generated
Graphical user interface, text, application, chat or text message Description automatically generated
Graphical user interface Description automatically generated
質問 # 306
A network technician was recently onboarded to a company. A manager has tasked the technician with documenting the network and has provided the technician With partial information from previous documentation.
Instructions:
Click on each switch to perform a network discovery by entering commands into the terminal. Fill in the missing information using drop-down menus provided.
正解：
解説：
See the Explanation for detailed information on this simulation.
Explanation
(Note: Ips will be change on each simulation task, so we have given example answer for the understanding) To perform a network discovery by entering commands into the terminal, you can use the following steps:
Click on each switch to open its terminal window.
Enter the command show ip interface brief to display the IP addresses and statuses of the switch interfaces.
Enter the command show vlan brief to display the VLAN configurations and assignments of the switch interfaces.
Enter the command show cdp neighbors to display the information about the neighboring devices that are connected to the switch.
Fill in the missing information in the diagram using the drop-down menus provided.
Here is an example of how to fill in the missing information for Core Switch 1:
The IP address of Core Switch 1 is 192.168.1.1.
The VLAN configuration of Core Switch 1 is VLAN 1: 192.168.1.0/24, VLAN 2: 192.168.2.0/24, VLAN 3: 192.168.3.0/24.
The neighboring devices of Core Switch 1 are Access Switch 1 and Access Switch 2.
The interfaces that connect Core Switch 1 to Access Switch 1 are GigabitEthernet0/1 and GigabitEthernet0/2.
The interfaces that connect Core Switch 1 to Access Switch 2 are GigabitEthernet0/3 and GigabitEthernet0/4.
You can use the same steps to fill in the missing information for Access Switch 1 and Access Switch 2.
質問 # 307
A network administrator redesigned the positioning of the APs to create adjacent areas of wireless coverage. After project validation, some users still report poor connectivity when their devices maintain an association to a distanced AP. Which of the following should the network administrator check FIRST?
- A. Validate the roaming settings on the APs and WLAN clients
- B. Verify that the AP antenna type is correct for the new layout
- C. Check to see if MU-MIMO was properly activated on the APs
- D. Deactivate the 2.4GHz band on the APS
正解：A
解説：
The network administrator should check the roaming settings on the APs and WLAN clients first. Roaming is the process of switching from one AP to another without losing connectivity. If the roaming settings are not configured properly, some users may experience poor connectivity when their devices stay connected to a distant AP instead of switching to a closer one. Reference: https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/82068-roam-faq.html
質問 # 308
A store owner would like to have secure wireless access available for both business equipment and patron use. Which of the following features should be configured to allow different wireless access through the same equipment?
- A. TKIP
- B. MIMO
- C. LTE
- D. SSID
正解：D
解説：
SSID (Service Set Identifier) is a feature that should be configured to allow different wireless access through the same equipment. SSID is the name of a wireless network that identifies it from other networks in the same area. A wireless access point (AP) can support multiple SSIDs with different security settings and network policies. For example, a store owner can create one SSID for business equipment and another SSID for patron use, and assign different passwords, VLANs, and QoS levels for each SSID. Reference: https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/70931-multiple-ssid.html
質問 # 309
A cafeteria is lacing lawsuits related to criminal internet access that was made over its guest network. The marketing team, however, insists on keeping the cafeteria phone number as the wireless passphrase. Which of the following actions would Improve wireless security while accommodating the marketing team and accepting the terms of use?
- A. Using geofencing to limit the area covered by the WLAN
- B. Configuring guest network isolation
- C. Deploying a captive portal tor user authentication
- D. Setting WLAN security to use EAP-TLS
正解：C
解説：
Explanation
A captive portal is a web page that is presented to a user before they are allowed to access a network. It is used to authenticate users and to ensure that all users have accepted the terms of use for the network. By deploying a captive portal, the cafeteria can require users to enter their phone number as the passphrase, while still providing an additional layer of security. Reference: CompTIA Network+ Study Guide, 8th Edition, page 182.
質問 # 310
A network administrator received reports that a 40Gb connection is saturated. The only server the administrator can use for data collection in that location has a 10Gb connection to the network. Which of the following is the best method to use on the server to determine the source of the saturation?
- A. Log aggregation
- B. Packet capture
- C. Port mirroring
- D. Flow data
正解：D
解説：
Explanation
Flow data is a summary of network traffic that can be used to monitor and analyze network performance, utilization, and security. Flow data can provide information such as source and destination IP addresses, ports, protocols, bytes, packets, and timestamps. Flow data can be collected using protocols such as NetFlow, sFlow, or IPFIX. Flow data can help identify the source of network saturation without requiring a full packet capture, which would be impractical on a 40Gb connection with a 10Gb server.
References:
CompTIA Network+ N10-008 Certification Exam Objectives, page 51
CompTIA Network+ N10-008 Cert Guide, Chapter 11: Switching Technologies2
質問 # 311
A client wants to increase overall security after a recent breach. Which of the following would be best to implement? (Choose two.)
- A. Central policy management
- B. Configuration drift prevention
- C. Subnet range limits
- D. Zero-touch provisioning
- E. Least privilege network access
- F. Dynamic inventories
正解：A、E
質問 # 312
Which of the following OSI model layers is where a technician would view UDP information?
- A. Physical
- B. Data link
- C. Network
- D. Transport
正解：D
質問 # 313
Which of the following layers is where TCP/IP port numbers identify which network application is receiving the packet and where it is applied?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
正解：A
質問 # 314
A senior administrator has been directed to incorporate AAA services within a domain environment for regulatory compliance purposes. Which of the following standards will enable the use of an AAA server in a domain environment?
- A. 802.11h
- B. 802.1Q
- C. 802.3bt
- D. 802.1X
正解：D
解説：
802.1X is a standard that enables the use of an AAA server in a domain environment by providing port-based network access control. 802.1X authenticates users or devices before granting them access to the network resources, and can also authorize them based on their roles or policies. 802.1X can work with different AAA protocols, such as RADIUS or TACACS+, to communicate with the AAA server.
Reference:
CompTIA Network+ N10-008 Certification Study Guide, page 211
CompTIA Network+ N10-008 Cert Guide, Deluxe Edition, page 382
Configuring AAA Services - Cisco3
質問 # 315
A network manager wants to view network traffic for devices connected to a switch. A network engineer connects an appliance to a free port on the switch and needs to configure the switch port connected to the appliance. Which of the following is the best option for the engineer to enable?
- A. SNMP
- B. Trunking
- C. Full duplex
- D. Port mirroring
正解：D
質問 # 316
A network technician is reviewing the interface counters on a router interface. The technician is attempting to confirm a cable issue. Given the following information:
Which of the following metrics confirms there is a cabling issue?
- A. CRCs
- B. Last cleared
- C. Number of packets output
- D. Giants
- E. Multicasts
正解：A
解説：
Explanation
CRC stands for Cyclic Redundancy Check, and it is a type of error-detecting code used to detect accidental changes to raw data. If the CRC count is increasing on a particular interface, it indicates that there might be an issue with the cabling, which is causing data corruption. References:
Network+ N10-008 Objectives: 2.1 Given a scenario, troubleshoot common physical connectivity issues.
質問 # 317
A technician is installing a SOHO router. Which of the following should be performed on every installation and periodically maintained to prevent unauthorized access? (Choose two.)
- A. Disable the SSID broadcast
- B. Use complex passwords
- C. Update the router firmware
- D. Disable port forwarding
- E. Disable remote management
正解：B、C
質問 # 318
A technician was cleaning a storage closet and found a box of transceivers labeled 8Gbps. Which of the following protocols uses those transceivers?
- A. Fibre Channel
- B. Coaxial over Ethernet
- C. Internet Small Computer Systems Interface
- D. Gigabit interface converter
正解：A
解説：
The transceivers labeled 8Gbps are likely to be used with the Fibre Channel protocol. Fibre Channel is a high-speed networking technology that is primarily used to connect storage devices to servers in storage area networks (SANs). It is capable of transmitting data at speeds of up to 8 Gbps (gigabits per second), and uses specialized transceivers to transmit and receive data over fiber optic cables.
Coaxial over Ethernet (CoE) is a networking technology that uses coaxial cables to transmit data, and is not related to the transceivers in question. Internet Small Computer Systems Interface (iSCSI) is a protocol that allows devices to communicate over a network using the SCSI protocol, and does not typically use specialized transceivers. Gigabit interface converter (GBIC) is a type of transceiver used to transmit and receive data over fiber optic cables, but it is not capable of transmitting data at 8 Gbps.
質問 # 319
A technician wants to deploy a new wireless network that comprises 30 WAPs installed throughout a three-story office building. All the APs will broadcast the same SSID for client access. Which of the following BEST describes this deployment?
- A. Extended service set
- B. Independent basic service set
- C. Unified service set
- D. Basic service set
正解：D
質問 # 320
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CompTIA N10-008試験は、ネットワークアーキテクチャ、ネットワークオペレーション、ネットワークセキュリティ、トラブルシューティングなど、ネットワークに関連する様々なトピックをカバーしています。この試験は、ネットワークインフラストラクチャを管理および維持する責任を持つ専門家の知識とスキルをテストするために設計されています。この試験には90個の多肢選択問題があり、制限時間は90分です。
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