Which two methods can be used to prevent or reduce RFI from colocated directional antennas（）A、Alternate polarization between colocated antennasB、Cross-polarize antennas between endpointsC、Install an RF-shielded box around the antennasD、Increase the distance between the antennas
Which two methods can be used to prevent or reduce RFI from colocated directional antennas（）
- A、Alternate polarization between colocated antennas
- B、Cross-polarize antennas between endpoints
- C、Install an RF-shielded box around the antennas
- D、Increase the distance between the antennas
相关考题：
Users can define policy to control traffic flow between which two components? ()(Choose two.) A. from a zone to the router itselfB. from a zone to the same zoneC. from a zone to a different zoneD. from one interface to another interface
Which command can be used from a PC to verfy the connectivity between host that connect through path?() A.tracert addressB.ping addressC.arp addressD.traceroute address
Which statement about two lines spliced together is TRUE ________．A.Splicing is used to increase the circumference of each lineB.Splicing two lines together is stronger than knotting two lines togetherC.Splicing is used to increase the overall strength of the lineD.Splicing is used to prevent rotting of the lines bitter end
Which two statements about voice VLANs are correct？（）A、Voice VLANs eliminate the need for QoS configurationB、Voice VLANs are used on trunk links to eliminate the need for QoS CoS markingsC、Voice VLANs are mainly used to reduce the number of access switch ports that are used in the networkD、Voice VLANs can be configured to forward existing CoS priorities or override themE、Voice VLANs are mainly used between access layer switches and distribution layer switchesF、Voice VLANs can be configured on Layer 2 ports only
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Which two features prevent routing loops between the OSPF sites of a customer when the sites aremultihomed or a backdoor link is used between the sites？ （）A、sham linkB、down bitC、virtual linkD、Site of OriginE、domain tag
Which command can be used from a PC to verify the connectivity between hosts that connect through a switch in the same LAN?（）A、ping addressB、tracert addressC、traceroute addressD、arp address
Which three statements are true about implementing wireless LANs in the Company network using Cisco devices？（）A、 Antenna power is a relative value reference to dBi.B、 LWAPP allows encrypted communications between lightweight access points and WLAN controllers.C、 Characteristics of antennas are directionality， gain， and polarization.D、 Power over Ethernet （PoE） is only available when a WLAN controller is integrated into the network.E、 The WLAN solution Engine （WLSE） is used to control lightweight access points.F、 One of the advantages of the lightweight WLAN solution is that the devices act indepently.
Which two Cisco antennas provide better isolation from RF sources that might be located behindthe antennas？（）A、AIR-ANT3213B、AIR-ANT2465P-RC、AIR-ANT1949D、AIR-ANT5160V-R
Which command can be used from a PC to verfy the connectivity between host that connect through path?（）A、tracert addressB、ping addressC、arp addressD、traceroute address
What is the use of an "all configuration" backup in Cisco UCS？（）A、 Can be used to migrate from a 6120 to a 6140 and retain the same service profilesB、 Can only be used on the fabric interconnect on which it was createdC、 Can be used to migrate from a 6120 to 6140 and retain system IP addresses and cluster informationD、 Can be used to match firmware versions between 6120 and 6140 during a migration
What are two benefits for prospects, derived from the Cisco SBR Methodology?（）A、Creates a Link between Business and IT PlanningB、Increase Customer RoyaltyC、Lowers TCOD、Increase Profitability
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Last december you erected a bridge link between two buildings on your campus. it is now april and the foliage in the trees is full， and the bridge link will no longer maintain connectivity. Which action will most likely solve the problem？（）A、change the channel selection.B、install higher gain antennas.C、raise the antennas.D、increase transmitter power.
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
Users can define policy to control traffic flow between which two components？（）A、from a zone to the device itselfB、from a zone to the same zoneC、from a zone to a different zoneD、from one interface to another interface
Users can define policy to control traffic flow between which two components? （）(Choose two.)A、from a zone to the router itselfB、from a zone to the same zoneC、from a zone to a different zoneD、from one interface to another interface
Which two statements are true regarding the USING and ON clauses in table joins?（）A、Both USING and ON clauses can be used for equijoins and nonequijoins B、Amaximum of one pair of columns can be joined between two tables using the ON clause C、The ON clause can be used to join tables on columns that have different names but compatible data types D、The WHERE clause can be used to apply additional conditions in SELECT statements containing the ON or the USING clause
单选题Last december you erected a bridge link between two buildings on your campus. it is now april and the foliage in the trees is full， and the bridge link will no longer maintain connectivity. Which action will most likely solve the problem？（）Achange the channel selection.Binstall higher gain antennas.Craise the antennas.Dincrease transmitter power.
单选题An ohmmeter can be used to measure（）Acurrent flow in a circuitBvoltage between two points in a circuitCcircuit continuityDpower
单选题What is the use of an "all configuration" backup in Cisco UCS？（）A Can be used to migrate from a 6120 to a 6140 and retain the same service profilesB Can only be used on the fabric interconnect on which it was createdC Can be used to migrate from a 6120 to 6140 and retain system IP addresses and cluster informationD Can be used to match firmware versions between 6120 and 6140 during a migration
多选题Which two statements are true regarding the USING and ON clauses in table joins?（）ABoth USING and ON clauses can be used for equijoins and nonequijoinsBAmaximum of one pair of columns can be joined between two tables using the ON clauseCThe ON clause can be used to join tables on columns that have different names but compatible data typesDThe WHERE clause can be used to apply additional conditions in SELECT statements containing the ON or the USING clause
多选题Which two features prevent routing loops between the OSPF sites of a customer when the sites aremultihomed or a backdoor link is used between the sites？ （）Asham linkBdown bitCvirtual linkDSite of OriginEdomain tag
多选题Which two methods can be used to prevent or reduce RFI from colocated directional antennas（）AAlternate polarization between colocated antennasBCross-polarize antennas between endpointsCInstall an RF-shielded box around the antennasDIncrease the distance between the antennas
单选题Longitudinal and transverse separtions between the tanks,which are used to prevent liquids from leaking from one double bottom tank into the other ,are called（）.Adouble bottomsBcofferdamCnavigating bridgeDsuperstructure
单选题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?（）AReplace the wireless bridges with wireless access points.BInstall bi-directional amplifiers at both sites.CConfigure channel hopping on both wireless bridges.DReplace the omni-directional antennas with Yagi antennas
多选题Which two Cisco antennas provide better isolation from RF sources that might be located behindthe antennas？（）AAIR-ANT3213BAIR-ANT2465P-RCAIR-ANT1949DAIR-ANT5160V-R