N10-007無料問題集「CompTIA Network+ Certification」

質問 1

A network administrator needs to extend an organization's network to a nearby building that has unused SMF already installed. The network administrator has decided to create a switch-to-switch uplink. Which of the following standards would be the BEST to use?

（A）10BASE-T

（B）100BASE-T

（C）1000BASE-SX

（D）1000BASE-LX

正解：B 解答を投票する

質問 2

A network technician discovers there is no connectivity on a T1 line even though the cable connection appears to be in place. The router shows there is no active connection on the port. The issue is occurring between the demarcation point and the router port. The router cable tests fine and is terminated at the demarcation panel. Which of the following tools should be used to fix the issue?

（A）OTDR

（B）Loopback adapter

（C）Punchdown tool

（D）Crimper

正解：C 解答を投票する

質問 3

A network technician has multimode fiber optic cable available in an existing IDF. Which of the following Ethernet standards should the technician use to connect the network switch to the existing fiber?

（A）1000BaseSX

（B）1000BaseLX

（C）1000BaseT

（D）10GBaseT

正解：D 解答を投票する

質問 4

A network technician is observing the behavior of an unmanaged switch when a new device is added to the network and transmits dat a. Which of the following BEST describes how the switch processes this information?

（A）The data is flooded out of every port but only in the VLAN where it is located.

（B）The data is flooded out of every port, excluding the VLAN where it is located

（C）The data is flooded out of every port, except the one on which it came in

（D）The data is flooded out of every port. including the one on which it came in.

正解：C 解答を投票する

質問 5

A network administrator reviews the following command output while troubleshooting a system that is unable to connect to the www.comptia.com website:

Which of the following is the reason the system cannot connect?

（A）The domain complia.com is having network issues.

（B）A cable is not connected to the NIC.

（C）The DNS server is under maintenance.

（D）The interface eth0 Is using an APIPA address.

正解：A 解答を投票する

質問 6

A new DSL circuit was installed to replace the cable service and is not functioning. A network administrator needs to create a cable to connect the circuit. Which of the following connector types should the network administrator use on the cable?

（A）RJ45

（B）RJ11

（C）BNC

（D）DB-25

正解：B 解答を投票する

質問 7

A network engineer has connected the storefront with the maintenance shed on the other side of a golf course using 802.11 wireless bridges and omnidirectional antennas. However, the signal strength is too weak. Which of the following is the MOST efficient and cost-effective solution to solve the issue?

（A）Replace the 802.11 wireless standard and use GSM instead.

（B）Replace the omnidirectional antennas with unidirectional antennas.

（C）Put protective enclosures around the omnidirectional antennas to prevent damage from golf balls.

（D）Replace the wireless bridges with wireless routers.

正解：D 解答を投票する

質問 8

A technician needs to back up network devices to a central location quickly to prepare for a natural disaster. Which of the following should the technician use?

（A）VNC

（B）TFTP

（C）RDP

（D）VPN

正解：B 解答を投票する

質問 9

To increase security and usability of the wireless network, a back-end RADIUS server is used to authenticate users. Which of the following encryptions methods should be used to accomplish this?

（A）WPA2-Enterprise

（B）WPA2-Personal

（C）WEP

（D）WPA

正解：A 解答を投票する

質問 10

A security manager asks the network administrator to block VoIP protocols using the default ports on the corporate firewall. Which of the following ports should be blocked to prevent this type of traffic from going outside the company's network? (Choose three.)

正解：C、D、E 解答を投票する

質問 11

Ann. a user, reports that her desktop phone is not working on one cable. However, that cable provides connectivity to her laptop. A technician determines PoE is not provided to the end device. Which of the following is MOST likely the cause?

（A）Jitter

（B）Open/short on the cable

（C）Transceiver mismatch

（D）Crosstalk

正解：C 解答を投票する

質問 12

Which of the following is an IPv6 transition mechanism in which network devices utilize IPv4 and IPv6 at the same time?

（A）Dual stack

（B）6to4

（C）ISATAP

（D）Teredo

正解：A 解答を投票する

質問 13

A security manager asks a technician to install a network device that will provide information about attacks against the network but will not stop them. Which of the following devices is MOST suited for this task?

（A）RADIUS server

（B）IPS

（C）IDS

（D）Layer 7 firewall

正解：C 解答を投票する

質問 14

A network technician has been deployed to a remote office where WiFi functionality was lost after some recent remodeling. Upon arrival the technician finds the sole access point In the office is powered on via a Cat6 port, which is PoE+ enabled. All necessary SSIDs are broadcasting property However after connecting, authentication falls. Rebooting the WAP does not remediate the situation, nor does replacing the paten cable between the switch and the patch panel. Which of the following is MOST likely the root cause of this issue?

（A）The Cat6 uplink to the WAP was plugged into the AUX pot instead of the Gigabit PoE port.

（B）The WAP is causing a packet storm on the network.

（C）The switchport In question Is using 802. 3at instead of 802.3at.

（D）Some of the leads on the male end going into the WAP were damaged

正解：B 解答を投票する

質問 15

A network technician is assisting a SOHO environment with wireless connection issues. The business uses 802.11n and WPA2 encryption. The on-premises equipment is located toward the back of the building and includes a router, firewall, and WAP. The users at the front of the building are experiencing very slow response times due to distance limitations. Which of the following should be done to remediate the slow speeds of the users?

（A）Configure MIMO.

（B）Adjust the security type.

（C）Add another AP.

（D）Remove the channel overlap.

正解：C 解答を投票する

質問 16

A development team has been testing a web server on a virtual server to create a web application. Once satisfied, the development team clones the entire virtual server into production. The development team needs to use HTTP, HTTPS, and SSH to connect to the new server. Which of the following should the network administrator do to help secure this new production VM? (Choose two.)

（A）Remove unnecessary testing accounts.

（B）Generate new SSH host keys.

（C）Issue a new self-signed certificate.

（D）Disable the HTTP port in the host firewall.

（E）Upgrade the firmware on the firewall.

正解：B、C 解答を投票する

N10-007 無料問題集「CompTIA Network+ Certification」

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