考题
Which two characteristitcs describe the UDP protocol?()
A. limited error checkingB. defined timersC. no recovery mechanismsD. three-way handshake
考题
Which statements about 802.1Q trunking in Secure Network Foundation Design Guide for Single Site Deployments are correct?()A、The Cisco Control VLAN carries only Layer 2 control trafficB、802.1Q trunking is used between the access switch and the routerC、There is no 802.1Q trunking used in these designsD、When 802.1Q trunks are configured, they are also called Native VLANsE、Trunking Ensures that traffic from only one VLAN is carried on that trunk
考题
Which two of these statements best describe the benefits of WPAv2? (Choose two.)()A、 SSID broadcast preventionB、 man-in-the-middle attack protectionC、 cost reduction through software upgrades in all existing hardwareD、 dynamic key generationE、 RF jamming prevention
考题
Which statement describe two of the benefits of VLAN Trunking Protocol?()A、VTP allows routing between VLANs.B、VTP allows a single switch port to carry information to more than one VLAN.C、VTP allows physically redundant links while preventing switching loops.D、VTP simplifies switch administration by allowing switches to automatically share VLAN configuration information.E、VTP helps to limit configuration errors by keeping VLAN naming consistent across the VTP domain.F、VTP enhances security by preventing unauthorized hosts from connecting to the VTP domain.
考题
Which two of the following statements describe a routed switch port on a multilayer switch?()A、Layer 2 switching and Layer 3 routing are mutually supported.B、The port will not be associated with any VLAN.C、The routed switch port supports VLAN subinterfaces.D、The routed switch port is used when a switch has only one port per VLAN or subnet.E、The routed switch port ensures that STP remains in the forwarding state.
考题
Which two statements correctly describe VTP?()A、Transparent mode always has a configuration revision number of 0.B、Transparent mode cannot modify a VLAN database.C、Client mode cannot forward received VTP advertisements.D、Client mode synchronizes its VLAN database from VTP advertisements.E、Server mode can synchronize across VTP domains.
考题
Which two characteristics describe the UDP protocol?()A、limited error checkingB、defined timersC、no recovery mechanismsD、three-way handshake
考题
Which two of these statements best describe the benefits of WPAv1? ()A、 SSID broadcast preventionB、 Improved mutual authenticationC、 Improved encryption through AESD、 Improved protection against sniffing initialization vectorsE、 RF jamming prevention
考题
Which statements describe two of the benefits of VLAN Trunking Protocol?()A、VTP allows routing between VLANs.B、VTP allows a single switch port to carry information to more than one VLAN.C、VTP allows physically redundant links while preventing switching loops.D、VTP simplifies switch administration by allowing switches to automatically share VLAN configuration information.E、VTP helps to limit configuration errors by keeping VLAN naming consistent across the VTP domain.F、VTP enhances security by preventing unauthorized hosts from connecting to the VTP domain.
考题
Which three of these statements about Dynamic Trunking Protocol are correct?()A、It supports autonegotiation for both ISL and IEEE 802.1Q trunks.B、It must be disabled on an interface if you do not want the interface to work as a trunk or start negotiation to become a trunk.C、It is a point-to-multipoint protocol.D、It is a point-to-point protocol.E、It is not supported on private VLAN ports or tunneling ports.
考题
Which protocol provides a method of sharing VLAN configuration information between two Cisco switch?()A、VTPB、802.1QC、RSTPD、STP
考题
Which two of these are characteristics of the 802.1Q protocol?()A、it is a layer 2 messaging protocol which maintains vlan configurations across network.B、it includes an 8-bit field which specifies the priority of a frame.C、it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.D、it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.E、it is a trunking protocol capable of carring untagged frames.
考题
The Lightweight Access Point Protocol (LWAPP) is in use within the Company wireless network. Which two statements correctly describe features of this protocol? ()A、 Control traffic between an access point and a controller is encrypted within LWAPP.B、 Data traffic between an access point and a controller is encrypted within LWAPP.C、 Layer 3 mode packets are transmitted in TCP frames.D、 Data traffic between an access point and a controller is encapsulated within LWAPP.E、 VLAN tagging and QoS markings are applied at the access point.
考题
Which two statements describe the Cisco implementation of VLANs? ()A、VLAN 1 is the default Ethernet VLAN.B、CDP advertisements are only sent on VLAN 1002.C、By default, the management VLAN is VLAN 1005.D、By default, the switch IP address is in VLAN 1005.E、VLAN 1002 through 1005 are automatically created and cannot be deleted.
考题
Which two statements about the various implementations of STP are true?()A、mon Spanning Tree maintains a separate spanning-tree instance for each VLAN configured in the network.B、The Spanning Tree Protocol (STP) is an evolution of the IEEE 802.1w standard.C、Per-VLAN Spanning Tree (PVST) supports 802.1Q trunking.D、Per-VLAN Spanning Tree Plus(PVST+) is an enhancement to 802.1Q specification and is supported only on Cisco devices.E、Rapid Spanning Tree Protocol (RSTP) includes features equivalent to Cisco PortFast, UplinkFast, and BackboneFast for faster network reconvergence.F、Multiple Spanning Tree (MST) assumes one spanning-tree instance for the entire Layer 2 network, regardless of the multiple number of VLANs
考题
多选题Which two of these statements best describe the benefits of WPAv2? (Choose two.)()ASSID broadcast preventionBman-in-the-middle attack protectionCcost reduction through software upgrades in all existing hardwareDdynamic key generationERF jamming prevention
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多选题Which two statements correctly describe VTP?()ATransparent mode always has a configuration revision number of 0.BTransparent mode cannot modify a VLAN database.CClient mode cannot forward received VTP advertisements.DClient mode synchronizes its VLAN database from VTP advertisements.EServer mode can synchronize across VTP domains.
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多选题Which two of these statements best describe the benefits of WPAv1? ()ASSID broadcast preventionBImproved mutual authenticationCImproved encryption through AESDImproved protection against sniffing initialization vectorsERF jamming prevention
考题
多选题Which statement describe two of the benefits of VLAN Trunking Protocol?()AVTP allows routing between VLANs.BVTP allows a single switch port to carry information to more than one VLAN.CVTP allows physically redundant links while preventing switching loops.DVTP simplifies switch administration by allowing switches to automatically share VLAN configuration information.EVTP helps to limit configuration errors by keeping VLAN naming consistent across the VTP domain.FVTP enhances security by preventing unauthorized hosts from connecting to the VTP domain.
考题
单选题Which statements about 802.1Q trunking in Secure Network Foundation Design Guide for Single Site Deployments are correct?()A
The Cisco Control VLAN carries only Layer 2 control trafficB
802.1Q trunking is used between the access switch and the routerC
There is no 802.1Q trunking used in these designsD
When 802.1Q trunks are configured, they are also called Native VLANsE
Trunking Ensures that traffic from only one VLAN is carried on that trunk
考题
多选题Which two statements accurately describe a broadcast domain?()ABroadcast domains require that the participating devices connect to common switches or hubsBBroadcast domains consist of devices reachable by frames addressed to the Layer 2 broadcast addressCBroadcast domains require a gateway device such as a routerDBroadcast domains consist of devices that reside on the same VLAN
考题
多选题Which two of these are characteristics of the 802.1Q protocol?()Ait is a layer 2 messaging protocol which maintains vlan configurations across network.Bit includes an 8-bit field which specifies the priority of a frame.Cit is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.Dit modifies the 802.3 frame header,and thus requires that the FCS be recomputed.Eit is a trunking protocol capable of carring untagged frames.
考题
多选题Which three of these statements about Dynamic Trunking Protocol are correct?()AIt supports autonegotiation for both ISL and IEEE 802.1Q trunks.BIt must be disabled on an interface if you do not want the interface to work as a trunk or start negotiation to become a trunk.CIt is a point-to-multipoint protocol.DIt is a point-to-point protocol.EIt is not supported on private VLAN ports or tunneling ports.
考题
多选题Which statements describe two of the benefits of VLAN Trunking Protocol?()AVTP allows routing between VLANs.BVTP allows a single switch port to carry information to more than one VLAN.CVTP allows physically redundant links while preventing switching loops.DVTP simplifies switch administration by allowing switches to automatically share VLAN configuration information.EVTP helps to limit configuration errors by keeping VLAN naming consistent across the VTP domain.FVTP enhances security by preventing unauthorized hosts from connecting to the VTP domain.
考题
多选题Which two characteristics describe the UDP protocol?()Alimited error checkingBdefined timersCno recovery mechanismsDthree-way handshake
考题
多选题Which two statements describe the Cisco implementation of VLANs?()AVLAN 1 is the default Ethernet VLAN.BCDP advertisements are only sent on VLAN 1002.CBy default, the management VLAN is VLAN 1005.DBy default, the switch IP address is in VLAN 1005.EVLAN 1002 through 1005 are automatically created and cannot be deleted.