N10-008無料問題集「CompTIA Network+ Certification」

質問 1

A network technician is troubleshooting an application issue. The technician is able to recreate the issue in a virtual environment. According to the troubleshooting methodology, which of the following actions will the technician most likely perform NEXT?

（A）Implement a solution to resolve the issue.

（B）Establish a theory of probable cause.

（C）Escalate the issue to a supervisor.

（D）Gather information from the initial report.

正解：B 解答を投票する

質問 2

A technician installed an 8-port switch in a user's office. The user needs to add a second computer in the office, so the technician connects both PCs to the switch and connects the switch to the wall jack. However, the new PC cannot connect to network resources. The technician then observes the following:
- The new computer does not get an IP address on the client's VLAN.
- Both computers have a link light on their NICs.
- The new PC appears to be operating normally except for the network issue.
- The existing computer operates normally.
Which of the following should the technician do NEXT to address the situation?

（A）Contact the server team to have a record created in DNS for the new PC.

（B）Contact the network team to resolve the port security issue.

（C）Contact the application team to check NetFlow data from the connected switch.

（D）Contact the security team to review the logs on the company's SIEM.

正解：B 解答を投票する

質問 3

A network technician is manually configuring the network settings for a new device and is told the network block is 192.168.0.0/20. Which of the following subnets should the technician use?

（A）255.255.128.0

（B）255.255.192.0

（C）255.255.248.0

（D）255.255.240.0

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 4

A user in a branch office reports that access to all files has been lost after receiving a new PC. All other users in the branch can access fileshares. The IT engineer who is troubleshooting this incident is able to ping the workstation from the branch router, but the machine cannot, ping the router. Which of the following is MOST likely the cause of the incident?

（A）Incorrect IP class

（B）Incorrect TCP port

（C）Incorrect subnet mask

（D）Incorrect DNS server

正解：C 解答を投票する

質問 5

A network administrator has been directed to present the network alerts from the past week to the company's executive staff. Which of the following will provide the BEST collection and presentation of this data?

（A）A consolidated report of various network devices

（B）A report from a vulnerability scan done yesterday

（C）A report from the SIEM tool

（D）A port scan printout

正解：C 解答を投票する

質問 6

A technician is searching for a device that is connected to the network and has the device's physical network address. Which of the following should the technician review on the switch to locate the device's network port?

（A）MAC table

（B）VLAN tag

（C）IP route table

（D）QoS tag

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 7

A company is implementing a secure remote access solution for multiple employees. Which of the following should the company use?

（A）Virtual desktop

（B）Site-to-site VPN

（C）Remote desktop connection

（D）Client-to-site VPN

正解：D 解答を投票する

質問 8

The following instructions were published about the proper network configuration for a videoconferencing device:
"Configure a valid static RFC1918 address for your network. Check the option to use a connection over NAT." Which of the following is a valid IP address configuration for the device?

（A）224.0.0.12

（B）100.64.0.1

（C）FE80::1

（D）169.254.1.2

（E）172.19.0.2

正解：E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 9

A technician troubleshoots a computer that has intermittent network connectivity and notices the termination point is loose. The technician also observes that the patch cable has already been replaced.
Which of the following should the technician do NEXT?

（A）Use a cable crimper to replace the RJ45 connector on the patch cable

（B）Use a punchdown tool to reseat the copper in the wall jack

（C）Use a multimeter to determine if PoE is available on the switchport

（D）Use a tone generator to trace the cable

正解：B 解答を投票する

質問 10

A user took a laptop on a trip and made changes to the network parameters while at the airport.
The user can access all internet websites but not corporate intranet websites. Which of the following is the most likely cause of the issue?

（A）Incorrect DNS

（B）Incorrect subnet mask

（C）Duplicate SSID

（D）Duplicate IP address

正解：A 解答を投票する

質問 11

Which of the following should be used to manage outside cables that need to be routed to various multimode uplinks?

（A）Cat 6 patch panel

（B）PDU

（C）TIA/EIA-568A patch bay

（D）110 punchdown block

（E）Fiber distribution panel

正解：E 解答を投票する

質問 12

A network administrator decides to secure their small network by allowing only specific MAC addresses to gain access to the network from specific switches. Which of the following is described by this example?

（A）Hardware firewalls

（B）Packet filtering

（C）Stateful inspection

（D）Port security

正解：D 解答を投票する

質問 13

A network administrator is setting up several loT devices on a new VLAN and wants to accomplish the following:
1. Reduce manual configuration on each system
2. Assign a specific IP address to each system
3. Allow devices to move to different switchports on the same VLAN
Which of the following should the network administrator do to accomplish these requirements?

（A）Use DHCP exclusions to address each device

（B）Implement private VLANs for each device

（C）Configure a static IP on each device

（D）Set up a reservation for each device

正解：D 解答を投票する

質問 14

A company's web server is hosted at a local ISP. This is an example of:

（A）a branch office.

（B）a cloud provider.

（C）an on-premises data center.

（D）colocation.

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

N10-008 無料問題集「CompTIA Network+ Certification」

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