CMS专题
单选题Which of the following is MOST likely causing an intermittent flashing LED on an IR receiver when the remote control is not being used？（）A The power supply is faulty and should be replaced.B The heat from a heating， ventilation， and air conditioning （H
题目
The power supply is faulty and should be replaced.
The heat from a heating， ventilation， and air conditioning （HVAC） register is being received as infrared noise.
The radio frequency interference （RFI） is being received as noise.
A plasma display is emitting infrared noise.
相似问题和答案
第1题：
Which of the following connection types are MOST likely to be found in the front of a PC case?（）
- A、Molex
- B、RS-232
- C、SATA
- D、USB
- E、Audio
正确答案:D,E
第2题：
Which of the following types of media would MOST likely cause above normal amounts of machine jamming？（）
- A、Envelopes
- B、Colored media
- C、Letterhead
- D、Pre punched
正确答案:A
第3题：
A.Router
B.Hub
C.Switch
D.Bridge
第4题：
Which of the following ports is MOST likely used for high-end graphics cards?（）
- A、PCI
- B、PCIe
- C、ISA
- D、AGP
正确答案:B
第5题：
A technician has had several support requests for one PC. The technician has reseated the PCIcards and replaced the hard drive in the PC located in a school cafeteria kitchen. PCs located in the business office or the classrooms have not had this issue. Which of the following is MOST likely causing this PC’s issue?（）
- A、Faulty RAM
- B、240 volt Kitchen outlets
- C、Power Brownouts
- D、Excessive Heat
正确答案:D
第6题：
Which of the following laptop components will MOST likely need replacing within the first threeyears of use?（）
- A、Battery
- B、Processor
- C、Memory
- D、Backlight
正确答案:A
第7题：
Which of the following security devices would MOST likely be used on a network to screen and prevent malicious traffic?（）
- A、IDS
- B、VPN
- C、NIPS
- D、HIDS
正确答案:C
第8题：
A client states they are receiving poor signal strength on their wireless Internet connection. Which of the following is MOST likely causing the interference?（）
- A、Cordless phones
- B、Drywall
- C、Access points
- D、Microwaves
- E、Fluorescents lights
正确答案:A,D
第9题：
Which of the following is MOST likely causing a client’s computer to have an IP address of169.254.0.10?（）
- A、The office is using a public IP scheme.
- B、The client is set to a static IP address.
- C、The DHCP server is out of addresses.
- D、The firewall on the PC is down.
正确答案:C
第10题：
Which of the following devices is MOST likely associated with MIDI?（）
- A、Synthesizer
- B、Modem
- C、Webcam
- D、Microphone
正确答案:A