[2023年最新] 高合格率なN10-008テストアンサーかつCompTIA N10-008テストPDF
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質問 # 266
A network technician is configuring a new firewall for a company with the necessary access requirements to be allowed through the firewall. Which of the following would normally be applied as the LAST rule in the firewall?
- A. DHCP snooping
- B. Implicit deny
- C. Port security
- D. Secure SNMP
正解：B
質問 # 267
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. The AP association time is set too low
- B. Channel overlap is occurring
- C. EIRP needs to be boosted
- D. The RSSI is misreported
正解：B
解説：
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 # 268
A network administrator is installing a wireless network at a client's office. Which of the following IEEE 802.11 standards would be BEST to use for multiple simultaneous client access?
- A. CDMA
- B. GSM
- C. CSMA/CA
- D. CSMA/CD
正解：C
解説：
CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance) is an IEEE 802.11 standard that would be best to use for multiple simultaneous client access on a wireless network. CSMA/CA is a media access control method that allows multiple devices to share the same wireless channel without causing collisions or interference. It works by having each device sense the channel before transmitting data and waiting for an acknowledgment from the receiver after each transmission. If the channel is busy or no acknowledgment is received, the device will back off and retry later with a random delay. Reference: https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/82068-csma-ca.html
質問 # 269
A wireless network was installed in a warehouse for employees to scan crates with a wireless handheld scanner. The wireless network was placed in the corner of the building near the ceiling for maximum coverage However users in the offices adjacent lo the warehouse have noticed a large amount of signal overlap from the new network Additionally warehouse employees report difficulty connecting to the wireless network from the other side of the building; however they have no issues when Ihey are near the antenna Which of the following is MOST likely the cause?
- A. The wireless signal is being refracted by the warehouse's windows
- B. The antenna's power level was set too high and is overlapping
- C. An omnidirectional antenna was used instead of a unidirectional antenna
- D. The wireless access points are using channels from the 5GHz spectrum
正解：A
質問 # 270
Access to a datacenter should be individually recorded by a card reader even when multiple employees enter the facility at the same time. Which of the following allows the enforcement of this policy?
- A. Smart lockers
- B. Motion detection
- C. Cameras
- D. Access control vestibules
正解：D
解説：
Explanation
The most effective security mechanism against physical intrusions due to stolen credentials would likely be a combination of several of these options. However, of the options provided, the most effective security mechanism would probably be an access control vestibule. An access control vestibule is a secure area that is located between the outer perimeter of a facility and the inner secure area. It is designed to provide an additional layer of security by requiring that individuals pass through a series of security checks before being allowed access to the secure area. This could include biometric authentication, access card readers, and motion detection cameras.
質問 # 271
A network administrator is downloading a large patch that will be uploaded to several enterprise switches simultaneously during the day's upgrade cycle. Which of the following should the administrator do to help ensure the upgrade process will be less likely to cause problems with the switches?
- A. Download each switch's current configuration before the upgrade
- B. Schedule the switches to reboot after an appropriate amount of time.
- C. Utilize FTP rather than TFTP to upload the patch
- D. Confirm the patch's MD5 hash prior to the upgrade
正解：A
質問 # 272
A Chief Information Officer (CIO) wants to improve the availability of a company's SQL database Which of the following technologies should be utilized to achieve maximum availability?
- A. NIC teaming
- B. Port aggregation
- C. Snapshots
- D. Clustering
正解：A
質問 # 273
A network engineer is investigating reports of poor network performance. Upon reviewing a report, the engineer finds hundreds of CRC errors on an interface. Which of the following is the MOST likely cause of these errors?
- A. A misconfigured QoS setting on the router
- B. Both sides of the switch trunk set to full duplex
- C. A bad wire on the Cat 5e cable
- D. The wrong VLAN assignment to the switchport
正解：C
質問 # 274
A network administrator wants to analyze attacks directed toward the company's network. Which of the following must the network administrator implement to assist in this goal?
- A. A honeypot
- B. Antivirus
- C. Network segmentation
- D. A screened subnet
正解：A
解説：
A honeypot is a decoy system that is intentionally left vulnerable or exposed to attract attackers and divert them from the real targets. A honeypot can also be used to collect information about the attackers' techniques and motives. A network administrator can implement a honeypot to analyze attacks directed toward the company's network, as a honeypot can help identify the source, target, method, and impact of an attack, as well as provide recommendations for remediation. Reference: https://www.comptia.org/blog/what-is-a-honeypot
質問 # 275
Which of the following would be BEST suited for a long cable run with a 40Gbps bandwidth?
- A. Cat 6a
- B. Cat 7
- C. Cat 8
- D. Cat 5e
正解：C
解説：
Reference: https://scoop.co.za/blog/choosing-the-right-cable-for-your-network
質問 # 276
A network security engineer locates an unapproved wireless bridge connected to the corporate LAN that is broadcasting a hidden SSID, providing unauthenticated access to internal resources. Which of the following types of attacks BEST describes this finding?
- A. Rogue access point Most Voted
- B. ARP spoofing
- C. Evil twin
- D. VLAN hopping
正解：A
解説：
Explanation
A rogue access point is an illegitimate access point plugged into a network to create a bypass from outside into the legitimate network. By contrast, an evil twin is a copy of a legitimate access point.
質問 # 277
A network engineer is investigating reports of poor network performance. Upon reviewing a report, the engineer finds that jitter at the office is greater than 10ms on the only WAN connection available. Which of the following would be MOST affected by this statistic?
- A. Routing table from the ISP
- B. An in-office video call with a coworker
- C. A VoIP sales call with a customer
- D. Firewall CPU processing time
正解：C
解説：
A VoIP sales call with a customer would be most affected by jitter greater than 10ms on the WAN connection. Jitter is the variation in delay of packets arriving at the destination. It can cause choppy or distorted audio quality for VoIP applications, especially over WAN links that have limited bandwidth and high latency. The recommended jitter for VoIP is less than 10ms. Reference: https://www.voip-info.org/voip-jitter/
質問 # 278
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. Runts
- B. Flooding
- C. Giants
- D. CRC errors
正解：C
質問 # 279
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. documenting a finding.
- B. using a bottom-to-top approach.
- C. questioning the obvious.
- D. establishing a plan of action.
正解：B
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. Reference: https://www.professormesser.com/network-plus/n10-007/troubleshooting-methodologies-2/
質問 # 280
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. Cloud site
- B. Cold site
- C. Hot site
- D. Warm site
正解：B
質問 # 281
A coffee shop owner hired a network consultant to provide recommendations for installing a new wireless network. The coffee shop customers expect high speeds even when the network is congested. Which of the following standards should the consultant recommend?
- A. 802.11n
- B. 802.11g
- C. 802.11ax
- D. 802.11ac
正解：C
解説：
Explanation
802.11ax is the latest and most advanced wireless standard, providing higher speeds, lower latency, and more capacity than previous standards. It also supports OFDMA, which allows multiple devices to share a channel and reduce congestion. The other options are older standards that have lower bandwidth, range, and efficiency than 802.11ax. Therefore, 802.11ax is the best option for the coffee shop owner who wants to provide high speeds even when the network is congested.
質問 # 282
A large metropolitan city is looking to standardize the ability tor police department laptops to connect to the city government's VPN The city would like a wireless solution that provides the largest coverage across the city with a minimal number of transmission towers Latency and overall bandwidth needs are not high priorities. Which of the following would BEST meet the city's needs?
- A. 5G
- B. Wi-Fi 6
- C. Wi-Fi 5
- D. LTE
- E. Wi-Fi 4
正解：D
質問 # 283
A company is reviewing ways to cut the overall cost of Its IT budget. A network technician suggests removing various computer programs from the IT budget and only providing these programs on an as-needed basis. Which of the following models would meet this requirement?
- A. Multitinency
- B. VPN
- C. SaaS
- D. laaS
正解：C
解説：
SaaS stands for Software as a Service and is a cloud computing model where software applications are hosted and delivered over the internet by a service provider. SaaS can help the company cut the overall cost of its IT budget by eliminating the need to purchase, install, update, and maintain various computer programs on its own devices. The company can access the programs on an as-needed basis and pay only for what it uses. Multitenancy is a feature of cloud computing where multiple customers share the same physical or virtual resources. IaaS stands for Infrastructure as a Service and is a cloud computing model where computing resources such as servers, storage, and networking are provided over the internet by a service provider. VPN stands for Virtual Private Network and is a technology that creates a secure and encrypted connection over a public network.
質問 # 284
A network technician is installing new software on a Windows-based server in a different geographical location. Which of the following would be BEST for the technician to use to perform this task?
- A. FTP
- B. SSH
- C. DNS
- D. RDP
正解：D
解説：
RDP (Remote Desktop Protocol) is the best option for a network technician to use when installing new software on a Windows-based server in a different geographical location. This protocol allows the technician to connect to the server remotely and control it as if they were physically present.
Reference:
Network+ N10-007 Certification Exam Objectives, Objective 2.2: Given a scenario, implement the appropriate network-based security and troubleshoot common connectivity issues.
質問 # 285
Network users reported that a recent firmware upgrade to a firewall did not resolve the issue that prompted the upgrade. Which of the following should be performed NEXT?
- A. Gather additional information to ensure users' concerns are not been caused by a different issue with similar symptoms.
- B. Employ a divide-and-conquer troubleshooting methodology by engaging the firewall vendor's support.
- C. Escalate the issue to the IT management team in order to negotiate a new SLA with the user's manager.
- D. Reopen the service ticket, request a new maintenance window, and roll back to the anterior firmware version.
正解：D
質問 # 286
A company joins a bank's financial network and establishes a connection to the clearinghouse servers in the range 192 168.124.0/27. An IT technician then realizes the range exists within the VM pool at the data center. Which of the following is the BEST way for the technician to connect to the bank's servers?
- A. NAT
- B. SLAAC
- C. CIDR
- D. PAT
正解：A
質問 # 287
A SaaS provider has decided to leave an unpatched VM available via a public DMZ port. With which of the following concepts is this technique MOST closely associated?
- A. Insider threat
- B. War driving
- C. Evil twin
- D. Honeypot
正解：D
質問 # 288
A local firm has hired a consulting company to clean up its IT infrastructure. The consulting company notices remote printing is accomplished by port forwarding via publicly accessible IPs through the firm's firewall Which of the following would be the MOST appropriate way to enable secure remote printing?
- A. VPN
- B. SSL
- C. SSH
- D. Telnet
正解：C
質問 # 289
A website administrator is concerned the company's static website could be defaced by hacktivists or used as a pivot point to attack internal systems. Which of the following should a network security administrator recommend to assist with detecting these activities?
- A. Implement file integrity monitoring.
- B. Update the web-server software.
- C. Use SSL encryption.
- D. Change the default credentials.
正解：C
質問 # 290
Which of the following protocols would enable a company to upgrade its internet connection by acquiring its own public IP prefixes and autonomous system number?
- A. EIGRP
- B. MPLS
- C. IPv6
- D. BGP
正解：D
解説：
BGP is a routing protocol that is used to exchange routing information between different autonomous systems (ASes) on the internet. An autonomous system is a network or group of networks that is under the same administrative control and uses a common routing protocol. By acquiring its own public IP prefixes and autonomous system number, a company can use BGP to advertise these prefixes to other ASes and establish its own internet connection. This would enable the company to have more control over its internet connection and potentially improve its connectivity.EIGRP (Enhanced Interior Gateway Routing Protocol) is a routing protocol used within a single autonomous system, so it would not be used to establish a connection to the internet. IPv6 is a version of the Internet Protocol (IP) used to identify devices on a network. It is not a routing protocol and would not be used to establish an internet connection.MPLS (Multi-Protocol Label Switching) is a networking technology that is used to route packets between different networks. It is not a routing protocol and would not be used to establish an internet connection.
質問 # 291
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