802.11g wireless signals operating at 24GHz has a maximum line of sight range of which of thefollowing?（）A、460 feet (140 meters)B、540 feet (165 meters)C、560 feet (171 meters)D、840 feet (256 meters)
802.11g wireless signals operating at 24GHz has a maximum line of sight range of which of thefollowing?（）
- A、460 feet (140 meters)
- B、540 feet (165 meters)
- C、560 feet (171 meters)
- D、840 feet (256 meters)
相关考题：
11g wireless signals operating at 24GHz has a maximum line of sight range of which of thefollowing?() A. 460 feet (140 meters)B. 540 feet (165 meters)C. 560 feet (171 meters)D. 840 feet (256 meters)
An administrator receives reports from users in an office that their 802.11g wireless connectivityhas been problematic since the installation of the new wireless phone system.At which of the following frequencies are both systems operating at to cause this issue?（）A.2.4GHzB.900MHzC.1.1GHzD.5GHz
Users are unable to stay connected to the company‘s wireless network. Several times throughoutthe day the users‘ signals are dropped and they are forced to reconnect to the network.A technician determines the network cabling that supplies the WAP has been run inside with severalpower lines.Which of the following is the MOST likely cause of the network issue?（）A.AshortB.Open pairsC.ESDD.EMI
Which statement concerning locating signals in the GMDSS is FALSE ________．A.Locating signals are transmitted by survival craft VHF transceiversB.Locating signals are transmitted by SARTsC.Locating signals are intended to facilitate the finding of a distressed vessel or its survivorsD.Locating signals are not transmitted by autoalarm generators
下面属于5GNR下行链路reference-signal的是（）A、Demodulation-reference-signals-for-PDSCHB、Phase-tracking-reference-signals-for-PDSCHC、Demodulation-reference-signals-for-PDCCHD、Demodulation-reference-signals-for-PBCHE、CSIreference-signals
What are two ways in which the Cisco Security Monitoring， Analysis， and Response System provides superior network protection？ （）A、 reports financial losses from attacksB、 providessecutiy command and controlC、 provides VPN connectivity to clientsD、 expedites reporting of incidentsE、 manage rogue wireless signals
A single 802.11g access point has been configured and installed in the center of a square office. A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem (Choose three.)（）。A、mismatched TKIP encryptionB、null SSIDC、cordless phonesD、mismatched SSIDE、metal file cabinetsF、antenna type or direction
Which wireless technology would A customer choose to position them for bandwidth-intensive applications?（）A、802.11xB、802.11aC、802.11nD、802.11g
Wireless components must work together for interoperability and performance. Which standard has specifications that are 2.4 GHz， 54 Mb/s， and a range of 150 feet？（） A、 802.11nB、 802.11bC、 802.11aD、 802.11g
Which of the following wireless standards has the highest maximum data rate?（）A、802.11nB、802.11bC、802.11aD、802.11g
The Company wireless network is using 802.11G access points. Which two statements are true about these access points？ （）A、 It supports eight different data rates.B、 It is fully backward compatible with 802.11bC、 It provides the same network throughput with 802.11b clients， 802.11g clients， or a mixed environment where both clients are present.D、 It is only compatibly with the 11 Mbps 802.11b transfer rate.E、 It has three non-overlapping channels in its channel options.
A single 802.11g access point has been configured and installed in the center of a square office. A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem? (Choose three.) （）A、mismatched TKIP encryption B、null SSID C、cordless phones D、mismatched SSID E、metal file cabinetsF、antenna type or direction
Users are unable to stay connected to the company's wireless network. Several times throughout the day the users' signals are dropped and they are forced to reconnect to the network. A technician determines the network cabling that supplies the WAP has been run inside with several power lines. Which of the following is the MOST likely cause of the network issue?（）A、AshortB、Open pairsC、ESDD、EMI
A company has installed a new 802.11g point-to-point connection between two buildings and isexperiencing low throughput across the link. The current setup involves a wireless bridge on the roof with an omni-directional antenna. Which of the following would BEST improve the link performance?（）A、Replace the wireless bridges with wireless access points.B、Install bi-directional amplifiers at both sites.C、Configure channel hopping on both wireless bridges.D、Replace the omni-directional antennas with Yagi antennas
An administrator receives reports from users in an office that their 802.11g wireless connectivity has been problematic since the installation of the new wireless phone system. At which of the following frequencies are both systems operating at to cause this issue?（）A、2.4GHzB、900MHzC、1.1GHzD、5GHz
Which of the following is an advantage of a 100Base-T network card versus an 802.11g wireless network card?（）A、Flexibility in relocating the computerB、Ability to provide secure data communicationsC、Faster data speedD、Ability to setup P2P networking
单选题Wireless components must work together for interoperability and performance. Which standard has specifications that are 2.4 GHz， 54 Mb/s， and a range of 150 feet？（）A 802.11nB 802.11bC 802.11aD 802.11g
多选题What are two ways in which the Cisco Security Monitoring， Analysis， and Response System provides superior network protection？ （）Areports financial losses from attacksBprovidessecutiy command and controlCprovides VPN connectivity to clientsDexpedites reporting of incidentsEmanage rogue wireless signals
多选题The Company wireless network is using 802.11G access points. Which two statements are true about these access points？ （）AIt supports eight different data rates.BIt is fully backward compatible with 802.11bCIt provides the same network throughput with 802.11b clients， 802.11g clients， or a mixed environment where both clients are present.DIt is only compatibly with the 11 Mbps 802.11b transfer rate.EIt has three non-overlapping channels in its channel options.
单选题802.11g wireless signals operating at 24GHz has a maximum line of sight range of which of thefollowing?（）A460 feet (140 meters)B540 feet (165 meters)C560 feet (171 meters)D840 feet (256 meters)
多选题A single 802.11g access point has been configured and installed in the center of a square office. A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem? (Choose three.) （）Amismatched TKIP encryptionBnull SSIDCcordless phonesDmismatched SSIDEmetal file cabinetsFantenna type or direction
问答题The study was means to examine how the brain reacts to electromagnetic fields caused by wireless phone signals.
多选题A single 802.11g access point has been configured and installed in the center of a square officE.A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem? （）Amismatched TKIP encryptionBnull SSIDCcordless phonesDmismatched SSIDEmetal file cabinetsFantenna type or direction
单选题If there is an existing 802.11g WLAN at a site， which service can be provided without conducting anew site survey？（）AAdd a new 802.11a WLANBIncrease the Layer 2 and Layer 3 security of the WLANCIncrease the throughput for the wireless clientsDAdd new services （such as voice） over the WLAN
单选题You are designing the wireless networks for the three warehouses. Your design must support the inventory and shipping management solution， and it must meet security requirements. What should you do？（）AEnsure that all wireless networking equipment fully supports the IEE 802.11a， IEEE 802.11b， and IEEE 802.11g wireless networking protocolsBAssign a random service set identifier （SSID） to each wireless access point. Disable broadcasting of SSIDs on all wireless access pointsCCreate a firewall to block traffic to any IP address that did not originate from the company’s DHCP servers. Ensure that all wireless access points connect behind this new firewallDConfigure a server to use Internet Authentication Service （IAS）. Configure the wireless networking equipment to use the IEEE 802.1x protocol and the IAS server
单选题Which statement concerning locating signals in the GMDSS is FALSE（）.ALocating signals are transmitted by survival craft VHF transceiversBLocating signals are transmitted by SARTsCLocating signals are intended to facilitate the finding of a distressed vessel or its survivorsDLocating signals are not transmitted by autoalarm generators