网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. The WLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why the WLAN card is performing at that speed?（）
A
The WLAN card is 802.11g.
B
The WLAN card is 802.11b.
C
The WLAN card is 802.11n.
D
The WLAN card is 802.11a.
参考答案
参考解析
解析：
暂无解析
更多 “单选题A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. The WLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why the WLAN card is performing at that speed?（）A The WLAN card is 802.11g.B The WLAN card is 802.11b.C The WLAN card is 802.11n.D The WLAN card is 802.11a.” 相关考题
考题
单选题A user states they receive a message Boot device not found half of the time they boot their system.Which of the following is the MOST likely cause? （）A
A dead CMOS batteryB
The OS is not installed on the hard driveC
A faulty RAMD
A faulty HDD connection
考题
单选题Which of the following is a graphical enhancement in Windows Vista?（）A
UACB
BitLockerC
SFCD
Aero
考题
单选题Mike, a technician, is installing a wireless router for a client. Which of the following is MOST important when installing a wireless router?（）A
LocationB
DCPAC
SSIDD
Number of client machines
考题
单选题Which of the following tools can be used to securely connect to a remote system?（）A
RCMDB
SSHC
TELNETD
HTTP
考题
单选题A new floppy drive was just installed into a PC. The drive powers on at system boot but the status LED does not turn off during operation. Which of the following is MOST likely the issue?（）A
The power cable was installed incorrectly and needs to be flipped.B
The floppy drive was not enabled within the motherboard’s BIOS.C
The FDD cable was installed incorrectly and needs to be flipped.D
A Molex power cable was used instead of a Berg cable.
考题
单选题A technician has a user that consistently picks up viruses and malware no matter what kind ofsoftware is installed to prevent infection. Which of the following should be a cost-effective logical step in preventing future infections?（）A
Place the user behind a high end NIPS device.B
Migrate the user to a Virtual Machine environment.C
Educate the user on browsing habits.D
Install multiple antivirus programs on the machine to decrease the chances for infection.
考题
单选题A user attempts to login to a bookmarked site but is prompted for their social security number,mother’s maiden name and date of birth. Which of the following has MOST likely happened?（）A
The website has updated the security policies.B
The user’s identity has been stolen.C
The browser has been hijacked.D
The user typed the website address incorrectly.
考题
单选题A technician upgrades a computer from Windows XP Media Center Edition to Windows Vista Home Premium. After the upgrade Aero will not turn on. The system has a 2.4 GHz processor, 1GB of RAM, and a DirectX 7 video card. Which of the following will resolve this issue?（）A
Aero cannot be used on Windows Vista Home Premium.B
Upgrade the video card to a DirectX 9 compatible card.C
Upgrade the video driver.D
Upgrade the RAM to 4GB
考题
单选题An alternative to plain old telephone service (POTS) would be:（）A
X.25.B
Asynchronous transfer mode (ATM).C
VoIP.D
Public Switched Telephone Network (PSTN).
考题
单选题Which of the following command line utilities allows a technician to create a new directory?（）A
RDB
CDC
DIRD
MD
考题
多选题A user would like to have a roaming profile configured. Which of the following is necessary when setting up a roaming profile? （）(Select TWO).AThe user must configure the settings.BRoaming profile must be stored on every client.CThe user must be on a domain.DRoaming profile has to be stored on a network server.EThe user must have an IP address on their client.
考题
单选题Which of the following is the MINIMUM amount of hard drives needed for a RAID 5 array?（）A
2B
3C
4D
5
考题
单选题A technician is performing a memory upgrade by installing an additional 1GB stick of DDR RAM into a system. When the installation is complete, the computer shows 2GB of RAM at POST; however, it now indicates a lower speed setting for the memory. Which of the following is the MOST likely cause?（）A
The newly installed RAM has a lower clock speed than the existing RAM.B
The CPU is not configured to work with the additional RAM.C
The system is incompatible with the new RAM.D
The new RAM is of lower quality, and not dependable at higher speeds.
考题
单选题A user states that the inkjet printer is printing streaks on documents. Which of the following wouldresolve the issue?（）A
Use the printer’s clean option.B
Replace the printer data cable.C
Print the demo page from the printer.D
Reinstall the drivers.
考题
单选题A technician recently installed a new firewall. Which of the following ports must be open to permit HTTPS traffic?（）A
21B
23C
80D
443
考题
单选题A customer reports they are unable to connect to any computers outside of the office and they are unable to connect to the Internet. When the technician runs ipconfig, the customer gets the following output: IP address169.254.2.4 Subnet Mask.255.255.0.0 Default Gateway. Which of the following could be causing the issue?（）A
The subnet mask is not correctly configured.B
The DNS client has not been configured on the computer.C
The DHCP client is unable to obtain an IP address from the DHCP server.D
The default gateway is not specified
考题
多选题Which of the following should be configured on a wireless router to enhance security? (Select TWO).（）ADisable DHCPBChange wireless channelCDisable SSID broadcastingDChange the default username and passwordEUse a static IP address
考题
单选题Which of the following commands will map a shared network drive?（）A
SFCB
NSLOOKUPC
NET USED
IPCONFIG
考题
单选题A system has three different network adapters installed. Which of the following should a technician use to get the details of all the adapters at the same time?（）A
IPCONFIG /ALLB
NETSTAT /AC
NBTSTAT /ALLD
PING LOCALHOST
考题
单选题Jill, a technician, is installing several PCs in a home that is pre-wired with Ethernet to seven rooms. In the wiring closet all the Ethernet cables are hanging free and are not labeled. Which of the following tools would the technician use to locate the cable that runs to each room?（）A
Extension magnetB
Toner probeC
MultimeterD
Optical Time Domain Reflectometer (OTDR)
考题
单选题Which of the following should be performed after a maintenance kit has been applied and fullfunctionality tested?（）A
Roller regenerator appliedB
Page count resetC
New network settings appliedD
Printer drum replacement
考题
单选题Which of the following can cause a ribbon on an impact printer to tear?（）A
The fuserB
The toner cartridgeC
The platenD
The printhead
考题
多选题A technician is cleaning spyware from a Windows XP machine. Because of the infections, the unitcannot browse the Internet to obtain anti-virus updates.Which of the following is the BEST course ofaction? （）(Select TWO).ABoot into safe mode and format the drive.BInstall a pop-up blocker and update Internet Explorer.CBoot to Safe Mode with Networking and attempt updates.DBoot into safe mode and perform CHKDSK.EApply updates manually by downloading the definition files on another machine.
考题
单选题When using Device Manager, a red ‘X” indicates which of the following?（）A
Device is disabledB
Device conflictC
No device driver foundD
Device has not been digitally signed
考题
单选题Which of the following terms describes files and folders in sub-directories having the samepermissions as the root or parent directory?（）A
Least privilegeB
Default permissionsC
Local sharesD
Inheritance
考题
单选题On which of the following hard drive types must Bob, a technician, change the jumper setting to match the motherboard/cabling combination?（）A
SATAB
eSATAC
Solid stateD
PATA
考题
单选题A technician needs a wireless access point to cover most of the office. Which of the following should the technician perform FIRST to achieve this? （）A
Change the radio channelB
Apply MAC address filterC
Determine placementD
Reduce radio power level
考题
多选题Which of the following are methods to automatically update the antivirus application?（） (Select TWO).AEstablish rules in the email scheduling program to perform updates.BSelect Update Now from the program options.CUse the Automatic Update feature built into the application.DUse scripts.EUse Windows Update.
热门标签
最新试卷