单选题The voice VLAN feature has been enabled on a new Company Catalyst switch port. What is the effect of this? ()AThe CoS is trusted for 802.1P or 802.1Q tagged traffic.BPortFast is disabled on the port.CPort Security is automatically enabled on a voice VLAN port.DUntagged traffic is sent according to the default CoS priority of the port.ENone of the other alternatives apply
单选题
The voice VLAN feature has been enabled on a new Company Catalyst switch port. What is the effect of this? ()
A
The CoS is trusted for 802.1P or 802.1Q tagged traffic.
B
PortFast is disabled on the port.
C
Port Security is automatically enabled on a voice VLAN port.
D
Untagged traffic is sent according to the default CoS priority of the port.
E
None of the other alternatives apply
参考解析
解析:
暂无解析
相关考题:
The network administrator has just finished installing a new 10/100/1000 switch, but receives reports from the server administrator that servers connected to the new switch seem to be experiencing slow LAN connections. The network administrator checks the port connecting the new switch to the core switch and sees the following information:Which of the following is the MOST likely cause of the slow connections?()A. The servers have not had VLAN tagging enabled on their NICs.B. Speed and duplex have not been set.C. VLAN tagging was not set on the trunk.D. The servers have been connected with CAT5 cable.
A new company has been given one public IP address. The company employs 200 users requiring Internet access from the headquarters.Which of the following can be implemented to provide Internet access for all the employees?()A. MulticastingB. Proxy serverC. NATD. Subnetting
What is valid reason for a switch to deny port access to new devices when port security is enabled?() A. The denied MAC addresses have already been learned or confgured on another secure interface in the same VLAN.B. The denied MAC address are statically configured on the port.C. The minimum MAC threshold has been reached.D. The absolute aging times for the denied MAC addresses have expired.
VLAN maps have been configured on switch R1. Which of the following actions are taken in a VLAN map that does not contain a match clause? ()A、 Implicit deny feature at end of list.B、 Implicit deny feature at start of list.C、 Implicit forward feature at end of listD、 Implicit forward feature at start of list.
You have configured voice VLANs on Catalyst switch R1. Which two statements are true about the operation of voice VLANs on this device? ()A、 When the voice VLAN feature is enabled, all untagged traffic is sent according to the default CoS priority of the port.B、 Enabling voice VLANs enables the switch to create multiple queues for traffic that is entering a port.C、 When voice VLANs are configured on a trunk link, UplinkFast must also be enabled.D、 Voice VLANs are configured to enable the switch to forward frames marked with the proper CoS values over separate physical links.E、 Enabling voice VLANs enables the switch to forward frames with a specific 802.1P marking.
Nexus# sh ip igmp snooping vlan 120 IGMP Snooping information for vlan 120 IGMP snooping disabled Optimised Multicast Flood (OMF) disabled IGMP querier none Switch-querier enabled, address 1.1.1.1, currently not running IGMPv3 Explicit tracking enabled IGMPv2 Fast leave disabled IGMPv1/v2 Report suppression enabled IGMPv3 Report suppression disabled Link Local Groups suppression enabled Router port detection using PIM Hellos, IGMP Queries Number of router-ports: 0 Number of groups: 0 Active ports: Po100 Po111 Which statement best describes what is depicted in the show command output?()A、 IGMP snooping is not active for VLAN 120 because the IGMP feature has not been enabled on the switch with the feature igmp command.B、 The IGMP snooping querier for VLAN 120 is not in a running state because the Loopback interface configured with 1.1.1.1/32 is currently in a down state.C、 IGMP snooping has been disabled on the VLAN 120 SVI.D、 IGMP snooping has been disabled for VLAN 120 in VLAN configuration mode.E、 IGMP snooping is not active for VLAN 120 because VLAN 120 does not exist in the VLAN database.
The DAI feature has been implemented in the Company switched LAN. Which three statements are true about the dynamic ARP inspection (DAI) feature? ()A、 DAI can be performed on ingress ports only.B、 DAI can be performed on both ingress and egress ports.C、 DAI is supported on access ports, trunk ports, EtherChannel ports, and private VLAN ports. D、 DAI should be enabled on the root switch for particular VLANs only in order to secure the ARP caches of hosts in the domain.E、 DAI should be configured on all access switch ports as untrusted and on all switch ports connected to other switches as trusted.F、 DAI is supported on access and trunk ports only.
A network administrator needs to configure port security on a switch.which two statements are true?()A、The network administrator can apply port security to dynamic access portsB、The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.C、The sticky learning feature allows the addition of dynamically learned addresses to the runningconfiguration.D、The network administrator can apply port security to EtherChannels.E、When dynamic mac address learning is enabled on an interface,the switch can learn new addresses,up to the maximum defined.
The technician has suspicions that a browser has been hijacked. Which of the following should the technician look for in this situation?()A、A new default gateway has been setup.B、A new Internet shortcut has been added.C、A new web browser has been installed and is now the default.D、A proxy server has been enabled.
A network administrator needs to configure port security on a switch.which two statements are true?()A、The network administrator can apply port security to dynamic access portsB、The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.C、The sticky learning feature allows the addition of dynamically learned addresses to the running configuration.D、The network administrator can apply port security to EtherChannels.E、When dynamic mac address learning is enabled on an interface,the switch can learn new addresses,up to the maximum defined.
Which three statements are true about the voice VLAN feature on a Catalyst 2950 switch? (Choose three.)() A、 The CoS value is trusted for 802.1p or 802.1q tagged traffic.B、 The voice VLAN feature is disabled by default.C、 The IP phone accepts the priority of all tagged and untagged traffic and sets the CoS value to 4.D、 When the voice VLAN feature is enabled, all untagged traffic is sent according to the default CoS priority of the port.E、 PortFast is automatically disabled when a voice VLAN is configured.F、 The default CoS value for incoming traffic is set to 0.
Which statement is true about voice VLANs? ()A、When the voice VLAN feature is enabled, all untagged voice and data traffic is sent through the voice VLAN.B、The voice VLAN feature is enabled by default.C、The IP phone overrides the priority of all incoming data traffic (tagged and untagged) and sets the CoS value to 0.D、The default CoS value is 1 for incoming voice and data traffic.
Which statement best describes what is depicted in the show command output?()A、 IGMP snooping is not active for VLAN 120 because the IGMP feature has not been enabled on the switch with the feature igmp command.B、 The IGMP snooping querier for VLAN 120 is not in a running state because the Loopback interface configured with 1.1.1.1/32 is currently in a down state.C、 IGMP snooping has been disabled on the VLAN 120 SVI.D、 IGMP snooping has been disabled for VLAN 120 in VLAN configuration mode.E、 IGMP snooping is not active for VLAN 120 because VLAN 120 does not exist in the VLAN database.
What is valid reason for a switch to deny port access to new devices when port security is enabled?()A、The denied MAC addresses have already been learned or confgured on another secure interface in the same VLAN.B、The denied MAC address are statically configured on the port.C、The minimum MAC threshold has been reached.D、The absolute aging times for the denied MAC addresses have expired.
All client computers on your company network run Windows 7 and are members of an Active Directory Domain Services domain. Your company policy requires that all unnecessary services be disabled on the computers. The Sales department staff has been provided with new mobile broadband adapters that use the Global System for Mobile Communications (GSM) technology. You need to ensure that portable computers can connect to the broadband GSM network. Which service should be enabled on the portable computers?()A、WLAN AutoConfigB、WWAN AutoConfigC、Computer BrowserD、Portable Device Enumerator Service
多选题You have configured voice VLANs on Catalyst switch R1. Which two statements are true about the operation of voice VLANs on this device? ()AWhen the voice VLAN feature is enabled, all untagged traffic is sent according to the default CoS priority of the port.BEnabling voice VLANs enables the switch to create multiple queues for traffic that is entering a port.CWhen voice VLANs are configured on a trunk link, UplinkFast must also be enabled.DVoice VLANs are configured to enable the switch to forward frames marked with the proper CoS values over separate physical links.EEnabling voice VLANs enables the switch to forward frames with a specific 802.1P marking.
多选题The DAI feature has been implemented in the Company switched LAN. Which three statements are true about the dynamic ARP inspection (DAI) feature? ()ADAI can be performed on ingress ports only.BDAI can be performed on both ingress and egress ports.CDAI is supported on access ports, trunk ports, EtherChannel ports, and private VLAN ports.DDAI should be enabled on the root switch for particular VLANs only in order to secure the ARP caches of hosts in the domain.EDAI should be configured on all access switch ports as untrusted and on all switch ports connected to other switches as trusted.FDAI is supported on access and trunk ports only.
单选题VLAN maps have been configured on switch R1. Which of the following actions are taken in a VLAN map that does not contain a match clause? ()A Implicit deny feature at end of list.B Implicit deny feature at start of list.C Implicit forward feature at end of listD Implicit forward feature at start of list.
单选题Nexus# sh ip igmp snooping vlan 120 IGMP Snooping information for vlan 120 IGMP snooping disabled Optimised Multicast Flood (OMF) disabled IGMP querier none Switch-querier enabled, address 1.1.1.1, currently not running IGMPv3 Explicit tracking enabled IGMPv2 Fast leave disabled IGMPv1/v2 Report suppression enabled IGMPv3 Report suppression disabled Link Local Groups suppression enabled Router port detection using PIM Hellos, IGMP Queries Number of router-ports: 0 Number of groups: 0 Active ports: Po100 Po111 Which statement best describes what is depicted in the show command output?()A IGMP snooping is not active for VLAN 120 because the IGMP feature has not been enabled on the switch with the feature igmp command.B The IGMP snooping querier for VLAN 120 is not in a running state because the Loopback interface configured with 1.1.1.1/32 is currently in a down state.C IGMP snooping has been disabled on the VLAN 120 SVI.D IGMP snooping has been disabled for VLAN 120 in VLAN configuration mode.E IGMP snooping is not active for VLAN 120 because VLAN 120 does not exist in the VLAN database.
多选题A company has a business application that provides its users with many different reports: receivables reports, payables reports, revenue projects, and so on.The company has just purchased some new, state-of-the-art,wireless printers, and a programmer has been assigned the task of enhancing all of the reports to use not only the company’s old printers, but the new wireless printers as well.When the programmer starts looking into the application, the programmer discovers that because of the design of the application, it is necessary to make changes to each report to support the new printers. Which two design concepts most likely explain the situation?()AInheritanceBLow cohesionCTight couplingDHigh cohesionELoose couplingFObject immutablility
多选题You need to configure a new Company Catalyst 3560 switch for a VOIP-enabled office. Which three statements are true about the voice VLAN feature on this switch?()AThe default CoS value for incoming traffic is set up to 0.BThe CoS value is trusted for 802.1p or 802.1q tagged traffic.CPortFast is automatically disabled when a voice VLAN is configured.DThe voice VLAN feature is disabled by default.EThe IP phone accepts the priority of all tagged and untagged traffic and sets the CoS value to 4.FWhen the voice VLAN feature is enabled, all untagged traffic is sent according to the default CoS priority of the port
单选题You have just created a new VLAN on your network for inter-VLAN routing. What is one step that you should include in your VLAN-based implementation and verification plan?()AVerify that different native VLANs exist between two switches for security purposes.BVerify that the switch is configured to allow for trunking on the switch ports.CVerify that each switch port has the proper IP address space assigned to it for the new VLAN. DVerify that the VLAN virtual interface has been correctly created and enabled.
单选题A new company has been given one public IP address. The company employs 200 users requiring Internet access from the headquarters. Which of the following can be implemented to provide Internet access for all the employees?()AMulticastingBProxy serverCNATDSubnetting
单选题What is valid reason for a switch to deny port access to new devices when port security is enabled?()AThe denied MAC addresses have already been learned or confgured on another secure interface in the same VLAN.BThe denied MAC address are statically configured on the port.CThe minimum MAC threshold has been reached.DThe absolute aging times for the denied MAC addresses have expired.
单选题Which statement best describes what is depicted in the show command output?()A IGMP snooping is not active for VLAN 120 because the IGMP feature has not been enabled on the switch with the feature igmp command.B The IGMP snooping querier for VLAN 120 is not in a running state because the Loopback interface configured with 1.1.1.1/32 is currently in a down state.C IGMP snooping has been disabled on the VLAN 120 SVI.D IGMP snooping has been disabled for VLAN 120 in VLAN configuration mode.E IGMP snooping is not active for VLAN 120 because VLAN 120 does not exist in the VLAN database.
单选题The technician has suspicions that a browser has been hijacked. Which of the following should the technician look for in this situation?()AA new default gateway has been setup.BA new Internet shortcut has been added.CA new web browser has been installed and is now the default.DA proxy server has been enabled.
单选题Which statement is true about voice VLANs? ()AWhen the voice VLAN feature is enabled, all untagged voice and data traffic is sent through the voice VLAN.BThe voice VLAN feature is enabled by default.CThe IP phone overrides the priority of all incoming data traffic (tagged and untagged) and sets the CoS value to 0.DThe default CoS value is 1 for incoming voice and data traffic.