220-1001試験無料問題集（752題）「CompTIA A+ Certification Exam: Core 1 認定」

出題：1

A technician installed a Cat 5 UTP cable approximately 275ft (84m) from a network switch in an office to a workstation located on a factory floor. The technician sees both a flashing green LED and a flashing orange LED on the workstation's NIC.
Which of the following should the technician do FIRST?

A. Run continuity tests using an Ethernet cable tester to determine if any pairs are broken.

B. Replace the entire run of Cat 5 UTP cable with Cat 5 STP cable.

C. Check the RJ45 end connectors, the jacks, and the ends of the run of the Cat 5 UTP cable for loose connections, pinched bends, and visible damage.

D. Install a powered hub as close as possible to the halfway point in the Cat 5 UTP cable run.

正解：A 解答を投票する

出題：2

A company is concerned about the security of sensitive data on a laptop a user frequently takes off-site.
Which of the following enables hardware encryption to secure user data?

A. Trusted Platform Module

B. BIOS password

C. Screen-saver lock

D. Hibernation mode

正解：A 解答を投票する

出題：3

Joe. an office manager, Is concerned about printing and electrical costs. He requires all staff members to shut down their computers when away from their desks. He also wants to limit printer use to only times when he Is at his desk. Which of the following should Joe do lo enforce this restriction? (Select TWO).

A. Enable file and printer sharing on Joe's computer.

B. Connect the printer through Ethernet at Joe's desk.

C. Configure the printer on WIFI In Joe's office.

D. Enable cloud printing on the punier using Joe's email account.

E. Disable print spooling on all other users' computers.

F. Install the printer via USB to Joe's computer.

正解：A,F 解答を投票する

出題：4

Which of the following cloud computing concepts is used when a company increases the number of web servers during peak usage times?

A. Application streaming

B. Rapid elasticity

C. Measured service

D. Resource pooling

正解：C 解答を投票する

出題：5

Which of the following connectors is commonly known as serial?

A. RS-232

B. RG-6

C. RJ11

D. BNC

正解：A 解答を投票する

出題：6

A user reports trouble with the network connection on a workstation. The user was initially able to receive emails but received an error when trying to send messages. The user is able to authenticate to the domain successfully and can see data in the network shares. Which of the following should the user perform FIRST when trying to resolve this issue?

A. Check the SMTP server.

B. Assign a static IP address

C. Update the NIC drivers

D. Change the DNS servers.

正解：A 解答を投票する

出題：7

Which of the following devices passes traffic between two different subnets?

A. Bridge

B. Hub

C. Switch

D. Router

正解：D 解答を投票する

出題：8

A user deploys a new access point with the following settings:

The user's computer has the following specifications:

The user does not see the wireless network when trying to connect. Which of the following is the MOST likely cause of the issue?

A. The wireless adapter is incompatible with this configuration.

B. The antenna being used is directional and not suitable for roaming connectivity.

C. The operating system is incompatible with the wireless configuration.

D. The computer does not support WPA2 encryption.

E. The channel width is too wide for non-802.11ac equipment.

F. The access point should be configured to ad-hoc mode.

正解：A 解答を投票する

出題：9

A computer has a static address configured and is able to connect to resources on the same VlAN but is unable to access resources on other VLANs Which of the following should be configured to allow this communication?

A. Bridge

B. Access point

C. Repeater

D. Hub

E. Router

正解：E 解答を投票する

出題：10

A bank has 20 branch locations that are connected to each other via a fouler at each one. Which of the following network types is MOST likely being used?

A. LAN

B. WMN

C. PAN

D. WAN

正解：D 解答を投票する

出題：11

A technician is troubleshooting a DLP projector that is connected to a PC. The projector accepts and displays a video signal, but the output image is covered with white dots. Which of the following actions will MOST likely resolve the issue?

A. Decrease the video card refresh rate.

B. Remove dust from the projector's lens.

C. Change the projector's resolution.

D. Replace the projector or imaging system.

正解：B 解答を投票する

出題：12

Which of the following is a data transfer standard that transfers 16 bits of data at a time to hard disks?

A. IDE

B. USB

C. FireWire

D. SATA

正解：A 解答を投票する

出題：13

A workstation has RAID 1 and RAID 5 arrays. Although performance is not degraded, management software is reporting a hard disk failure.
Which of the following should a technician do NEXT?

A. Rebuild the RAID 5 array

B. Rebuild the RAID 1 disks for failure

C. Check one of the RAID 1 disks for failure

D. Check one of the RAID 5 disks for failure

正解：D 解答を投票する

出題：14

A business owner is concerned about excessive paper usage but is not concerned about the wear to the printer of the use of toner. The business owner asks a technician to find a low-cost solution.
Which of the following is the BEST action for the technician to perform?

A. Adjust the orientation

B. Configure duplexing

C. Decrease the quality

D. Enable collating

正解：B 解答を投票する

出題：15

Which of the following resources in the MOST critical when using cloud file-storage synchronization applications?

A. CPU utilization

B. Disk speed

C. RAM utilization

D. I/O bandwidth

正解：D 解答を投票する

出題：16

A technician is troubleshooting a PC that will not boot The case fans run when the power is switched on, but the PC will not POST, and there is no signal to the monitor The technician opens the case and notices several capacitors appear swollen Which of the following is the MOST Likely reason why the PC will not boot?

A. Defective motherboard

B. Defective CPU

C. Defective power supply
B Defective RAM

正解：C 解答を投票する

出題：17

A CAD PC is running, but it has fault lights that are illuminated. The PC has four disk drives in the drive enclosure One disk drive has a solid fault light, and another has a flashing fault light. The remaining two disk drives are green. The user was told the drives are hot pluggable Which of the following should a technician do FIRST to resolve the issue?

A. Verify hardware RAID state and configuration

B. Remove the drive with the solid fault light and order a replacement drive.

C. Reseat both of the error drives and reboot the PC.

D. Simultaneously replace both drives with the fault lights.

正解：A 解答を投票する

出題：18

A technician is building a high-end multimedia workstation. The requirements for the workstation are as follows:
* Storage capability
* Redundancy
* Speed
Which of the following would be the BEST storage option?

A. RAID 0

B. RAID 1

C. RAID 10

D. RAID 5

正解：A 解答を投票する

出題：19

A business owner wants to filter objectionable content from being accessed with an internet browser. Which of the following network devices would be BEST suited for this task?

A. Firewall

B. Proxy server

C. Web server

D. IPS

正解：B 解答を投票する

220-1001試験無料問題集「CompTIA A+ Certification Exam: Core 1 認定」