（PDF)CompTIA Network+ N10-008試験と認定テストエンジン
無料提供中のN10-008試験問題集で（2024年最新のPDF問題集）信頼度の高いN10-008テストエンジン
Comptia N10-008試験は、ほとんどのIT組織が世界的に認識しているベンダー中立認証です。この認定は、ネットワーキングテクノロジーにおける候補者のスキルと知識を検証し、IT業界で新しい雇用機会を開きます。さらに、Comptia N10-008認証は、Cisco CCNA、CCNP、CCIEなどの高度なネットワーキング認定の前提条件です。 Comptia N10-008試験に合格することにより、ITの専門家はキャリアの見通しを強化し、IT業界でより高い給与を獲得できます。
CompTIA N10-008試験は、ネットワーク管理のキャリアを進めたいプロフェッショナルや、この分野に新しく入った人々を対象としています。この認証は、少なくとも9ヶ月のネットワークサポートまたは管理の経験があり、CompTIA A +認証または同等の知識を持っている個人に推奨されます。試験は90分以内に完了する必要がある90個の多肢選択およびパフォーマンスベースの質問で構成されています。認証を取得するには900点中720点の合格点が必要です。
質問 # 71
Which of the following ports is commonly used by VoIP phones?
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
解説：
Explanation
TCP/UDP port 5060 is commonly used by VoIP phones. It is the default port for SIP (Session Initiation Protocol), which is a signaling protocol that establishes, modifies, and terminates multimedia sessions over IP networks. SIP is widely used for VoIP applications such as voice and video calls. References:
https://www.voip-info.org/session-initiation-protocol/
質問 # 72
Which of the following describes the ability of a corporate IT department to expand its cloud-hosted VM environment with minimal effort?
- A. Multitenancy
- B. Scalability
- C. Geo-redundancy
- D. Load balancing
正解：B
解説：
Explanation
Scalability is the ability of a corporate IT department to expand its cloud-hosted virtual machine (VM) environment with minimal effort. This allows IT departments to quickly and easily scale up their cloud environment to meet increased demand. Scalability also allows for the efficient use of resources, as IT departments can quickly and easily scale up or down as needed.
質問 # 73
Which of the following devices would be used to manage a corporate WLAN?
- A. A wireless controller
- B. A wireless NAS
- C. A wireless router
- D. A wireless bridge
正解：A
解説：
Explanation
A wireless controller is used to manage a corporate WLAN, providing centralized management and configuration of access points. References: CompTIA Network+ Certification Study Guide, Chapter 8:
Wireless Networks.
質問 # 74
A company wants to add a local redundant data center to its network in case of failure at its primary location. Which of the following would give the LEAST amount of redundancy for the company's network?
- A. Cold site
- B. Hot site
- C. Warm site
- D. Cloud site
正解：A
質問 # 75
A user from a remote office is reporting slow file transfers. Which of the following tools will an engineer MOST likely use to get detailed measurement data?
- A. SIEM log review
- B. IPerf
- C. Internet speed test
- D. Packet capture
正解：B
解説：
An engineer will most likely use IPerf to get detailed measurement data about the user's slow file transfers. IPerf is a tool used for measuring network performance and bandwidth, and it can be used to measure the speed and throughput of file transfers from the remote office. It can also provide detailed information about the latency and jitter of the connection, which can be used to troubleshoot the slow file transfers. Reference: CompTIA Network+ Study Manual (Chapter 10, Page 214).
質問 # 76
Which of the following allows for an devices within a network to share a highly reliable time source?
- A. NTP
- B. DNS
- C. SIP
- D. SNMP
正解：A
解説：
Network Time Protocol (NTP) is a protocol used to maintain a highly accurate and reliable clock time on all devices within a network. NTP works by synchronizing the time of all the devices within a network to a single, highly accurate time source. This allows for the time of all the devices to be kept in sync with each other, ensuring a consistent and reliable time source for all devices within the network.
質問 # 77
A network is secured and is only accessible via TLS and IPSec VPNs. Which of the following would need to be present to allow a user to access network resources on a laptop without logging in to the VPN application?
- A. In-band management
- B. Remote desktop connection
- C. Site-to-site
- D. Secure Shell
正解：C
解説：
A site-to-site VPN is a type of VPN that connects two or more networks over the Internet using a secure tunnel. A site-to-site VPN allows users to access network resources on a laptop without logging in to the VPN application, as long as the laptop is connected to one of the networks in the VPN. A site-to-site VPN is transparent to the users and does not require any additional software or configuration on the client devices.
質問 # 78
Which of me following security controls indicates unauthorized hardware modifications?
- A. Media device sanitization
- B. Change management policy
- C. Biometric authentication
- D. Tamper-evident seals
正解：C
質問 # 79
Which of the following protocols would allow a secure connection to a Linux-based system?
- A. SMB
- B. FTP
- C. RDP
- D. SSH
正解：D
質問 # 80
A network administrator Is looking at switch features and is unsure whether to purchase a model with PoE Which of the following devices that commonly utilize PoE should the administrator consider? (Select TWO)
- A. Laptops
- B. Cameras
- C. Printers
- D. VoIP phones
- E. Cable modems
- F. UPSs
正解：B、D
解説：
Power over Ethernet (PoE) is a technology that allows network-connected devices to receive power over the same Ethernet cables that are used for data transfer. PoE is commonly used to power devices such as VoIP phones and cameras, making it an ideal choice for network administrators looking for a cost-effective solution. PoE is not typically used for other devices such as printers, cable modems, laptops, and UPSs.
質問 # 81
A technician uses a badge to enter a security checkpoint on a corporate campus. An unknown individual quickly walks in behind the technician without speaking. Which of the following types of attacks did the technician experience?
- A. Piggybacking
- B. On-path
- C. Tailgating
- D. Evil twin
正解：C
解説：
Explanation
Tailgating is a type of physical security attack where an unauthorized person follows an authorized person into a restricted area without their consent or knowledge. Tailgating can allow an attacker to bypass security measures and gain access to sensitive information or resources. In this scenario, the technician experienced tailgating when the unknown individual walked in behind the technician without speaking. Piggybacking is similar to tailgating, but it involves the consent or cooperation of the authorized person. Evil twin is a type of wireless network attack where an attacker sets up a rogue access point that mimics a legitimate one. On-path is a type of network attack where an attacker intercepts and modifies traffic between two parties.
References: CompTIA Network+ Certification Exam Objectives Version 7.0 (N10-007), Objective 3.2: Given a scenario, use appropriate network hardening techniques.
質問 # 82
A company hired a technician to find all the devices connected within a network. Which of the following software tools would BEST assist the technician in completing this task?
- A. Port scanner
- B. Terminal emulator
- C. IP scanner
- D. NetFlow analyzer
正解：C
解説：
To find all devices connected within a network, a technician can use an IP scanner. An IP scanner sends a ping request to all IP addresses within a specified range and then identifies the active devices that respond to the request.
質問 # 83
A technician is investigating packet loss to a device that has varying data bursts throughout the day. Which of the following will the technician MOST likely configure to resolve the issue?
- A. Port mirroring
- B. Flow control
- C. Duplex
- D. Jumbo frames
正解：A
質問 # 84
A network administrator is reviewing interface errors on a switch. Which of the following indicates that a switchport is receiving packets in excess of the configured MTU?
- A. Flooding
- B. Giants
- C. CRC errors
- D. Runts
正解：B
質問 # 85
Users are reporting poor wireless performance in some areas of an industrial plant The wireless controller is measuring a tow EIRP value compared to me recommendations noted on me most recent site survey. Which of the following should be verified or replaced for the EIRP value to meet the site survey's specifications? (Select TWO).
- A. Antenna gain
- B. Channel utilization
- C. Signal loss
- D. AP transmit power
- E. Update ARP tables
- F. AP association time
正解：A、D
解説：
AP transmit power: You should check if your APs have sufficient power output and adjust them if needed. You should also make sure they are not exceeding regulatory limits for your region.
Antenna gain: You should check if your antennas have adequate gain for your coverage area and replace them if needed. You should also make sure they are aligned properly and not obstructed by any objects.
In the scenario described, the wireless controller is measuring a low EIRP value compared to the recommendations noted in the most recent site survey. EIRP is the combination of the power transmitted by the access point and the antenna gain. Therefore, to increase the EIRP value to meet the site survey's specifications, the administrator should verify or replace the AP transmit power (option A) and the antenna gain (option E). This can be achieved by adjusting the transmit power settings on the AP or by replacing the AP's antenna with one that has a higher gain
質問 # 86
A network administrator is configuring logging on an edge switch. The requirements are to log each time a switch port goes up or down. Which of the following logging levels will provide this information?
- A. Notifications
- B. Warnings
- C. Alert
- D. Errors
正解：A
解説：
Explanation
Notifications are the lowest logging level and will provide the desired information regarding switch port up/down activity. According to the CompTIA Network+ Study Manual, notifications "are used for logging normal activities, such as port up/down events, link changes, and link flaps."
質問 # 87
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. LTE
- B. SSID
- C. TKIP
- D. MIMO
正解：B
質問 # 88
A network administrator is investigating a network event that is causing all communication to stop. The network administrator is unable to use SSH to connect to the switch but is able to gain access using the serial console port. While monitoring port statistics, the administrator sees the following:
Which of the following is MOST likely causing the network outage?
- A. Duplicate IP address
- B. Asynchronous route
- C. Switch loop
- D. High collisions
正解：D
質問 # 89
A sales team at a company uses a SaaS solution primarily for videoconferencing and a CRM application that connects to a database server in the corporate data center. Which of the following VPN solutions would allow secure, remote access for sales staff to the CRM application without impacting videoconferencing traffic?
- A. Clientless
- B. Full tunnel
- C. Split tunnel
- D. Site-to-site
正解：C
解説：
Explanation
A split tunnel VPN solution would allow secure, remote access for sales staff to the CRM application without impacting videoconferencing traffic. A VPN stands for virtual private network, which is a secure connection between two or more devices over a public network, such as the internet. A VPN encrypts and authenticates the data, ensuring its confidentiality and integrity. A split tunnel VPN is a type of VPN that allows some traffic to go through the VPN tunnel, while other traffic goes directly to the internet. This can improve performance and bandwidth utilization by reducing unnecessary encryption and routing overhead. By using a split tunnel VPN, sales staff can access the CRM application that connects to a database server in the corporate data center through the VPN tunnel, while using online videoconferencing services through their local internet connection. References: [CompTIA Network+ Certification Exam Objectives], What Is Split Tunneling? | NordVPN
質問 # 90
A network is experiencing a number of CRC errors during normal network communication. At which of the following layers of the OSI model will the administrator MOST likely start to troubleshoot?
- A. Layer 1
- B. Layer 6
- C. Layer 7
- D. Layer 2
- E. Layer 3
- F. Layer 4
- G. Layer 5
正解：D
質問 # 91
An IT administrator received an assignment with the following objectives
* Conduct a total scan within the company's network tor all connected hosts
* Detect all the types of operating systems running on all devices
* Discover all services offered by hosts on the network
* Find open ports and detect security risks.
Which of the following command-line tools can be used to achieve these objectives?
- A. tcpdump
- B. netatat
- C. nmap
- D. arp
正解：C
解説：
Explanation
Nmap (Network Mapper) is a free and open source command line tool that can be used to scan a network for all connected hosts, detect the types of operating systems running on all devices, discover all services offered by hosts on the network, find open ports, and detect security risks. Nmap is commonly used by system administrators and security professionals to audit a network's security and identify possible vulnerabilities.
Nmap can be used to discover active hosts, scan ports, fingerprint operating systems, detect running services, and more. Reference: CompTIA Network+ Study Manual, 8th Edition, page 592.
質問 # 92
Two remote offices need to be connected securely over an untrustworthy MAN. Each office needs to access network shares at the other site. Which of the following will BEST provide this functionality?
- A. Third-party VPN service
- B. Site-to-site VPN
- C. Client-to-site VPN
- D. Split-tunnel VPN
正解：B
解説：
Explanation
A site-to-site VPN is a type of VPN that connects two or more remote offices securely over an untrustworthy network, such as the Internet. A site-to-site VPN allows each office to access network shares and resources at the other site, as if they were on the same local network. A site-to-site VPN encrypts and tunnels the traffic between the offices, ensuring privacy and integrity of the data. References:
https://www.comptia.org/blog/what-is-a-site-to-site-vpn
質問 # 93
A technician is troubleshooting a wireless connectivity issue in a small office located in a high-rise building.
Several APs are mounted in this office. The users report that the network connections frequently disconnect and reconnect throughout the day. Which of the following is the MOST likely cause of this issue?
- A. Channel overlap is occurring
- B. EIRP needs to be boosted
- C. The RSSI is misreported
- D. The AP association time is set too low
正解：A
解説：
Explanation
Channel overlap is a common cause of wireless connectivity issues, especially in high-density environments where multiple APs are operating on the same or adjacent frequencies. Channel overlap can cause interference, signal degradation, and performance loss for wireless devices. The AP association time, EIRP, and RSSI are not likely to cause frequent disconnects and reconnects for wireless users.
質問 # 94
Which of the following physical security methods Is the MOST effective to prevent tailgating?
- A. IP cameras with motion detection
- B. Badge readers plus a PIN pad
- C. Smart lockers with tamper protection
- D. Biometrics in an access control vestibule
正解：D
解説：
Biometrics is a type of authentication that uses a person's physical characteristics, such as fingerprints, iris, or face, to verify their identity. An access control vestibule is a small room or area that separates two spaces and allows only one person to enter or exit at a time. Biometrics in an access control vestibule is the most effective physical security method to prevent tailgating, which is the unauthorized entry of a person behind another person who has legitimate access.
質問 # 95
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