单选题A technician is reporting wireless transmission speeds of 300Mbps. Which of the following wireless standards is being used?（）A 802.11aB 802.11bC 802.11gD 802.11n

第1题：

第2题：

Which of the following statements regarding ISDN are correct?（）

• A、Each ISDN B channel has transmission speeds of up to 64 kbps.
• B、The ISDN B channel can carry video, voice or data.
• C、The ISDN B channel transmission rate varies depending on the service used.
• D、The ISDN D channel transmits control information.
• E、The ISDN B channels can be configured with different subnets and encapsulation types when dialer profiles are configured.

第3题：

After a technician replaces a laptop display, the technician now notices that the wireless no longer works. Which of the following would be the MOST likely cause？（）

• A、The wireless switch was damaged during the display installation.
• B、The network card has failed.
• C、The new display is interfering with the wireless signal.
• D、The antenna connector was not reconnected.

第4题：

A technician replaces a computer’s NIC with a wireless card. The user wants to save the NIC.Which of the following should the technician use to preserve the NIC? （）

• A、ESD mat
• B、ESD wrist strap
• C、Sealable plastic bag
• D、Anti-static bag

第5题：

After swapping an internal wireless card on a laptop with an identical model, the technician notices that the wireless does not work. Which of the following would be the MOST likely cause?（）

• A、Antennae is not connected
• B、Wireless card is defective
• C、Drivers needs to be updated
• D、OS needs to be updated

第6题：

A technician is reporting wireless transmission speeds of 300Mbps. Which of the following wireless standards is being used?（）

• A、802.11a
• B、802.11b
• C、802.11g
• D、802.11n

第7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 channel
• B、Apply MAC address filter
• C、Determine placement
• D、Reduce radio power level

第8题：

A network technician is installing a series of three access points to cover the entire wing of a building. Each access point has a wired connection and 802.11g is being used for the wireless transmission. Which of the following channels should be used for the access points？（）

• A、Channels 1-6-11
• B、Channels 1-3-5
• C、Channels 7-11-1
• D、Channels 2-4-6

第9题：

A user states that the wireless on their laptop was working when they where at home, however,now in the office no wireless connection can be made. Which of the following should the technician check FIRST?（）

• A、If the wireless is enabled
• B、If the laptop is connected to the correct gateway
• C、If the SSID is enabled
• D、If the DHCP address scheme is correct

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第14题：

Cisco Small Business products address which installation requirement more effectively than standard Cisco products?（）

• A、wireless technology integration
• B、use of advanced reporting functions
• C、VPN technology integration
• D、minimal technical complexity

第15题：

A SONET network typically uses which of the following transmission media?（）

• A、Single-mode fiber
• B、Multimode fiber
• C、Copper
• D、Wireless

第16题：

A network consultant is asked to set up a wireless network in a home. The home user wants the wireless network to be available in every comer of the house. Which of the following additional information will the technician need to determine the equipment for the installation? （）(Select TWO)

• A、The length of the house
• B、How many rooms are in the house
• C、How many users will be using the wireless network
• D、The building material of the house
• E、The cost of the house

第17题：

A user states that the wireless router keeps rebooting while the power to the other equipment stays on. Which of the following should the technician perform to prevent users from rebooting the router?（）

• A、Change the default administrator password
• B、Change the IP range of the wireless network
• C、Hide the SSID
• D、Disable WEP

第18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、Location
• B、DCPA
• C、SSID
• D、Number of client machines

第19题：

A technician is working on a SOHO wireless network and notices that the wireless adaptor in the laptop shows excellent connection at 11Mbps. The technician has a wireless N adaptor. Which of the following would BEST describe this connection speed?（）

• A、The laptop is too far away from the WAP.
• B、The WAP is using 802.11a frequencies.
• C、The laptop is only set to allow 802.11n connections.
• D、The technician is on an 802.11b network.

第20题：

A technician installed a new wireless access point on an existing small office home office (SOHO) network with a selective security option enabled. All wireless computers connect to the new network except one computer that cannot connect to the wireless network. Which of the following is the cause?（）

• A、The network uses MAC filtering
• B、The network uses WEP
• C、The network uses SSID broadcast
• D、The network uses WPA

第21题：

A technician is installing a memory upgrade for a remote user. The technician notes that the machine is not reporting the correct amount of memory that was installed during the POST step. Which of the following actions should the technician perform FIRST?（）

• A、Replace the newly installed memory modules with another known-working unit.
• B、Remove and reseat the memory, and recheck the memory reported.
• C、Leave the configuration intact, and check cabling to ensure nothing was loose during the installation.
• D、Perform a BIOS upgrade on the machine.

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