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）
When you enter the interface command auto qos voip cisco－phone on a port at the edge of a network,how does the Cisco Catalyst switch detect if a Cisco IP Phone is connected to the port?()
A. by snooping the CoS marking on the incoming frames
B. by using RTP hello messages between the switch port and the Cisco IP Phone
C. by using CDP
D. by using DHCP snooping
E. by snooping the incoming 802.1Q VLAN tag
参考答案
更多 “ When you enter the interface command auto qos voip cisco－phone on a port at the edge of a network,how does the Cisco Catalyst switch detect if a Cisco IP Phone is connected to the port?() A. by snooping the CoS marking on the incoming framesB. by using RTP hello messages between the switch port and the Cisco IP PhoneC. by using CDPD. by using DHCP snoopingE. by snooping the incoming 802.1Q VLAN tag ” 相关考题
考题
As a network administrator, you issue the interface auto qos voip cisco-phone command on a port in an edge network. It is possible for a Cisco Catalyst switch to check if a Cisco IP Phone is directly attached to that port by:（）A. using DHCP snoopingB. snooping the incoming 802.1Q VLAN tagC. using CDPD. snooping the CoS marking on the incoming frames
考题
When you enter the interface command auto qos voip cisco-phone on a port at the edge of a network,how does the Cisco Catalyst switch detect if a Cisco IP Phone is connected to the port?（）A、by snooping the CoS marking on the incoming framesB、by using RTP hello messages between the switch port and the Cisco IP PhoneC、by using CDPD、by using DHCP snoopingE、by snooping the incoming 802.1Q VLAN tag
考题
You are configuring a Cisco multilayer switch for the Company network. Which command would you use to configure a port to act as a routed interface？（）A、 ip routingB、 switchport mode trunkC、 no switchportD、 switchport trunk native vlan 1E、 None of the other alternatives apply
考题
Which three of these pre-requisite for resetting a Catalyst Express 500 switch when Cisco Network Assistant is unavailable？（）A、At Least one enabled switch port that is unconnected to any deviceB、A PC pre-configured with a specific IP Address and MaskC、A PC or laptop with Windows 2000 or Windows XP installed and a web browser that has Java Script enabledD、Physical Access to SwitchE、A Switch with no connected devices
考题
The Company network administrator has entered the "auto qos voip cisco-phone" command on switch R1. What does this command do？（）A、It disables the trust boundary feature because the switch knows a Cisco IP phone is attached.B、The switch assigns a CoS value of 5 to incoming packets.C、If a Cisco IP phone is attached and removed， the switch continues to trust the CoS values as long as the switch is not rebooted.D、It turns on STP to see if a Cisco IP phone is attached.E、If a Cisco IP phone is attached， the switch trusts the CoS.F、None of the other alternatives apply.
考题
You examine the port statistics on a Cisco Catalyst switch and notice an excessive number offrames are being dropped. Which of the following are possible reasons for the drops？（）A、Unknown destination MAC addressB、Bad cablingC、MAC forwarding table is fullD、Port configured for half duplexE、Port configured for full duplexF、Network congestion
考题
What is the effect of applying the switchport trunk encapsulation dot1q command to a port on a Cisco Catalyst switch？（）A、By default， native VLAN packets going out this port will be tagged.B、Without an encapsulation command， 802.1Q will be the default encapsulation if DTP fails to negotiate a trunking protocol.C、The interface will support the reception of tagged and untagged traffic.D、If the device connected to this port is not 802.1Q-enabled， it will not be able to handle 802.1Q packets.
考题
While troubleshooting a connectivity problem, a network administrator notices that a port status LED on a Cisco Catalyst series switch is alternating green and amber. Which condition could this indicate（）。A、The port is experiencing errorsB、The port is administratively disabledC、The port is blocked by spanning treeD、The port has an active link with normal traffic activity
考题
When configuring a routed port on a Cisco multilayer switch， which of these is a required configuration task that you must perform to enable that port to function as a routed port？ （）A、Enable the switch to participate in routing updates from external devices with the router command in global configuration mode.B、Enter the no switchport command to disable Layer 2 functionality at the interface level.C、Each port participating in routing of Layer 3 packets must have an IP routing protocol assigned on aperinterface level.D、Routing is enabled by default on a multilayer switch， so the port can become a Layer 3 routing interface by assigning the appropriate IP address and subnet information.
考题
You work as a network Technician. A new workstation has consistently been unable to obtain anIP address from the DHCP server when the workstation boots. Older workstations function normally， and the new workstation obtains an address when manually forced to renew its address. What should be configured on the switch to allow the workstation to obtain an IP address at boot？（）A、UplinkFast on the switch port connected to the serverB、BackboneFast on the switch port connected to the serverC、PortFast on the switch port connected to the workstationD、trunking on the switch
考题
When using Cisco Network Assistant to configure a WS-CE500-24LC switch， which three are available choices in the port settings window？（）A、Duplex mode selectionsB、Auto MDIX selectionsC、Status SelectionsD、Group mode selectionsE、Port security selections
考题
A cisco aironet 1020 controller-based access point has been connected to a catalyst 3550-24 pwr switch. however， when it is powered up， the access point fails. What has caused this problem？（）A、access point does not support 802.11hB、incorrect switch power supplyC、switch port is not enabledD、switch does not support 802.3afE、access point has not been initialized with the primary controller
考题
Which of these commands can you use to show if an operational Catalyst switch port is set for autonegotiation of speed and duplex when running Cisco IOS software?（）A、show port networkB、 show running-configC、show controllers Ethernet-controllerD、 show interfaces
考题
You need to configure a new Cisco router to be installed in the VOIP network. Which threeinterface commands will configure the switch port to support a connected Cisco phone and to trustthe CoS values received on the port if CDP discovers that a Cisco phone is attached？（）A、switchport voice vlan vlan-idB、mls qos trust device cisco-phoneC、switchport priority extend cos_valueD、mls qos trust cosE、mls qos trust override cos
考题
As a network administrator, you issue the interface auto qos voip cisco-phone command on a port in an edge network. It is possible for a Cisco Catalyst switch to check if a Cisco IP Phone is directly attached to that port by:（）A、using DHCP snoopingB、snooping the incoming 802.1Q VLAN tagC、using CDPD、snooping the CoS marking on the incoming frames
考题
A Cisco Aironet 1020 controller-based access point has been connected to a Catalyst 3550-24PWR Switch. However， when it is powered up， the access point fails. What has caused this problem？（）A、access point does not support 802.11hB、incorrect switch power supplyC、switch port is not enabledD、switch does not support 802.3afE、access point has not been initialized with the primary controller
考题
A Cisco Aironet 1020 controller-based access point has been connected to a Catalyst 3550-24 PWRSwitch. However， when it is powered up， the access point fails. What has caused this problem？（）A、access point does not support 802.11hB、incorrect switch power supplyC、switch port is not enabledD、switch does not support 802.3afE、access point has not been initialized with the primary controller
考题
When configuring port security on a Cisco Catalyst switch port， what is the default action taken by the switch if a violation occurs？ （）A、protect （drop packets with unknown source addresses）B、restrict （increment SecurityViolation counter）C、shut down （access or trunk port）D、transition （the access port to a trunking port）
考题
What accurately describes the usage of a Cisco AutoQoS command？（）A、on Catalyst switches， the show auto discovery qos command is used to display the data collected during the Auto-Discovery phaseB、on Catalyst switches， the show auto qos command is used to display packet statistics of all classes that are configured for all service policiesC、on Cisco routers， the show mls qos maps command is used to verify the CoS-to-DSCP maps for egress packet queuingD、on Cisco routers， the show auto qos command is used to display the AutoQoS interface templates， policy maps， class maps， and ACLs
考题
You need to configure a new Cisco router to be installed in the Company VOIP network. Which three interface commands will configure the switch port to support a connected Cisco phone and to trust the CoS values received on the port if CDP discovers that a Cisco phone is attached？ （）A、switchport voice vlan vlan-idB、mls qos trust device cisco-phoneC、switchport priority extend cos_valueD、mls qos trust cosE、mls qos trust override cos
考题
单选题When configuring a routed port on a Cisco multilayer switch， which of these is a required configuration task that you must perform to enable that port to function as a routed port？ （）A
Enable the switch to participate in routing updates from external devices with the router command in global configuration mode.B
Enter the no switchport command to disable Layer 2 functionality at the interface level.C
Each port participating in routing of Layer 3 packets must have an IP routing protocol assigned on aperinterface level.D
Routing is enabled by default on a multilayer switch， so the port can become a Layer 3 routing interface by assigning the appropriate IP address and subnet information.
考题
单选题Which of these commands can you use to show if an operational Catalyst switch port is set for autonegotiation of speed and duplex when running Cisco IOS software?（）A
show port networkB
show running-configC
show controllers Ethernet-controllerD
show interfaces
考题
单选题When you enter the interface command auto qos voip cisco-phone on a port at the edge of a network, how does the Cisco Catalyst switch detect if a Cisco IP Phone is connected to the port? （）A
by snooping the CoS marking on the incoming framesB
by using RTP hello messages between the switch port and the Cisco IP PhoneC
by using CDPD
by using DHCP snoopingE
by snooping the incoming 802.1Q VLAN tag
考题
多选题You need to configure a new Cisco router to be installed in the Company VOIP network. Which three interface commands will configure the switch port to support a connected Cisco phone and to trust the CoS values received on the port if CDP discovers that a Cisco phone is attached？ （）Aswitchport voice vlan vlan-idBmls qos trust device cisco-phoneCswitchport priority extend cos_valueDmls qos trust cosEmls qos trust override cos
考题
单选题You are configuring a Cisco multilayer switch for the Company network. Which command would you use to configure a port to act as a routed interface？（）A
ip routingB
switchport mode trunkC
no switchportD
switchport trunk native vlan 1E
None of the other alternatives apply
考题
单选题What accurately describes the usage of a Cisco AutoQoS command？（）A
on Catalyst switches， the show auto discovery qos command is used to display the data collected during the Auto-Discovery phaseB
on Catalyst switches， the show auto qos command is used to display packet statistics of all classes that are configured for all service policiesC
on Cisco routers， the show mls qos maps command is used to verify the CoS-to-DSCP maps for egress packet queuingD
on Cisco routers， the show auto qos command is used to display the AutoQoS interface templates， policy maps， class maps， and ACLs
考题
多选题Which three of these pre-requisite for resetting a Catalyst Express 500 switch when Cisco Network Assistant is unavailable？（）AAt Least one enabled switch port that is unconnected to any deviceBA PC pre-configured with a specific IP Address and MaskCA PC or laptop with Windows 2000 or Windows XP installed and a web browser that has Java Script enabledDPhysical Access to SwitchEA Switch with no connected devices
考题
单选题What is the effect of applying the switchport trunk encapsulation dot1q command to a port on a Cisco Catalyst switch？（）A
By default， native VLAN packets going out this port will be tagged.B
Without an encapsulation command， 802.1Q will be the default encapsulation if DTP fails to negotiate a trunking protocol.C
The interface will support the reception of tagged and untagged traffic.D
If the device connected to this port is not 802.1Q-enabled， it will not be able to handle 802.1Q packets.
热门标签
最新试卷
