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In a Bridged 1483 network, what Layer 2 encapsulations are passed between the DSL bridge and the ERX?（）
- A、single ATM header
- B、single Ethernet header
- C、ATM header followed by a PPP header
- D、ATM header followed by an Ethernet header
参考答案
更多 “In a Bridged 1483 network, what Layer 2 encapsulations are passed between the DSL bridge and the ERX?（）A、single ATM headerB、single Ethernet headerC、ATM header followed by a PPP headerD、ATM header followed by an Ethernet header” 相关考题
考题
A user is connected on a DSL line and is using a PPP over Ethernet service. Which network device encapsulates the datagram inside of an ATM header?()
A.DSLAMB.DSL modemC.ERX Edge RouterD.customer workstation
考题
You are configuring an ATM PVC to support a Bridged 1483 network.What should be applied to the atm pvc command to accomplish this goal?()
A.aal5muxB.aal5snapC.aal5routeD.aal5bridge
考题
An ERX Edge Router is operating in an MPLS network using interface label space.What is used to make a forwarding decision?()
A. EXP bitsB. VPI / VCIC. shim headerD. SNAP header
考题
A Bridged 1483 network is grouping DSL users into a single subnet.Where must the CPE work station’s default gateway point?()
A.ERX ATM IP addressB.DSL router IP addressC.DSL bridge IP addressD.ERX loopback address
考题
In a Bridged 1483 network, which set of commands represent an operationally correct configuration for an ATM subinterface?()
A. interface atm 6/0.33 atm pvc 33 0 33 aal5mux encapsulation bridge1483 ip unnumbered loopback0B. interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip unnumbered loopback0C. interface atm 6/0.33 atm pvc 33 0 33 aal5mux encapsulation bridge1483 ip address unnumbered loopback0D. interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip address 0.0.0.0 255.255.255.255
考题
In a Bridged 1483 network, what Layer 2 encapsulations are passed between the DSL bridge and the ERX?()
A. single ATM headerB. single Ethernet headerC. ATM header followed by a PPP headerD. ATM header followed by an Ethernet header
考题
A user is connected on a DSL line and is using a PPP over Ethernet service.Which network device strips the ATM header from the datagram and investigates the PPP header?()
A.DSLAMB.DSL modemC.ERX Edge RouterD.customer workstation
考题
Inaframe,theMPLSlabelisimposed().
A.AftertheLayer3headerandbeforeLayer2headerB.AftertheLayer2headerandbeforeLayer3headerC.WithintheLayer3headerD.Beforethelayer2header
考题
MPLS封装有不同的方式,对于各个方式应用的范围()。
A.MPLS封装有帧模式和信元模式B.Ethernet和PPP使用帧模式封装C.ATM使用信元模式封装D.信元模式封装时，如果报文中已经携带了MPLS Header，第一个信元会保留该MPLS Header用于转发
考题
Which three statements about classification marking of traffic at Layer 2 are true？ （）A、a Frame Relay header includes a 1-bit discard eligible （DE） bit to provide the class of service （CoS）B、an ATM header includes a 1-bit DE field to provide the CoSC、an MPLS EXP field is inserted in the Layer 3 IP precedence field to identify the CoSD、the CoS field only exists inside Ethernet frames when 802.1Q or Inter-Switch Link （ISL） trunking is usedE、in the IEEE 802.1p standard， three bits are used to identify the user priority bits for the CoSF、in the IEEE 802.1q standard， six bits are used to identify the user priority bits for the CoS
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In a frame ，the MPLS label is imposed（）.A、After the Layer3 header and before Layer2 headerB、After the Layer2 header and before Layer3 headerC、Within the Layer 3 headerD、Before the layer 2 header
考题
A Bridged 1483 network is grouping DSL users into a single subnet.Where must the CPE work station’s default gateway point？（）A、ERX ATM IP addressB、DSL router IP addressC、DSL bridge IP addressD、ERX loopback address
考题
Pick the 4 valid ATM Cell Header fields：（）A、GFC-4 bits of generic flow controlB、Forward-explicit congestion notification（FECN）C、VCI-16 bits of virtual channel identifierD、CLP-1 bit of congestion lossE、HEC-8 bit of header error controlF、ATM Discard Eligibility（DE）bit
考题
Where is the MPLS label imposed？（）A、after the Layer 3 header and before the Layer 2 payloadB、after the Layer 3 header and before the Layer 4 payloadC、after the Layer 2 header and before the Layer 1 payloadD、after the Layer 1 header and before the Layer 2 payloadE、after the Layer 2 header and before the Layer 3 payload
考题
An ERX Edge Router is operating in an MPLS network using interface label space.What is used to make a forwarding decision?（）A、EXP bitsB、VPI / VCIC、shim headerD、SNAP header
考题
In a Bridged 1483 network, which set of commands represent an operationally correct configuration for an ATM subinterface?（）A、interface atm 6/0.33 atm pvc 33 0 33 aal5mux encapsulation bridge1483 ip unnumbered loopback0B、interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip unnumbered loopback0C、interface atm 6/0.33 atm pvc 33 0 33 aal5mux encapsulation bridge1483 ip address unnumbered loopback0D、interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip address 0.0.0.0 255.255.255.255
考题
Which command configures an ATM PVC in a Bridged 1483 network?（）A、atm pvc 33 0 33 aal5snapB、atm pvc 33 0 33 aal5bridgeC、atm pvc 33 0 33 bridge 1483D、atm pvc 33 0 33 1483 bridge
考题
A user is connected on a DSL line and is using a PPP over Ethernet service. Which network device encapsulates the datagram inside of an ATM header?（）A、DSLAMB、DSL modemC、ERX Edge RouterD、customer workstation
考题
In a Bridged 1483 network, which set of commands is used to configure an ATM sub-interface?（）A、interface atm 6/0.33 atm pvc 33 0 33 aal5snap ip description Company-XYZ encapsulation bridge1483 ip address unnumbered loopback0B、interface atm 6/0.33 atm pvc 33 0 33 aal5snap ip description Company-XYZ encapsulation bridge1483 ip unnumbered loopback0C、interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip description Company-XYZ ip address unnumbered loopback0D、interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip description Company-XYZ ip unnumbered loopback0
考题
You are configuring an ATM PVC to support a Bridged 1483 network.What should be applied to the atm pvc command to accomplish this goal?（）A、aal5muxB、aal5snapC、aal5routeD、aal5bridge
考题
A user is connected on a DSL line and is using a PPP over Ethernet service.Which network device strips the ATM header from the datagram and investigates the PPP header?（）A、DSLAMB、DSL modemC、ERX Edge RouterD、customer workstation
考题
单选题A Bridged 1483 network is grouping DSL users into a single subnet.Where must the CPE work station’s default gateway point？（）A
ERX ATM IP addressB
DSL router IP addressC
DSL bridge IP addressD
ERX loopback address
考题
单选题A user is connected on a DSL line and is using a PPP over Ethernet service.Which network device strips the ATM header from the datagram and investigates the PPP header?（）A
DSLAMB
DSL modemC
ERX Edge RouterD
customer workstation
考题
单选题Which command configures an ATM PVC in a Bridged 1483 network?（）A
atm pvc 33 0 33 aal5snapB
atm pvc 33 0 33 aal5bridgeC
atm pvc 33 0 33 bridge 1483D
atm pvc 33 0 33 1483 bridge
考题
单选题In a Bridged 1483 network, what Layer 2 encapsulations are passed between the DSL bridge and the ERX?（）A
single ATM headerB
single Ethernet headerC
ATM header followed by a PPP headerD
ATM header followed by an Ethernet header
考题
单选题A user is connected on a DSL line and is using a PPP over Ethernet service. Which network device encapsulates the datagram inside of an ATM header?（）A
DSLAMB
DSL modemC
ERX Edge RouterD
customer workstation
考题
单选题Where is the MPLS label imposed？（）A
after the Layer 3 header and before the Layer 2 payloadB
after the Layer 3 header and before the Layer 4 payloadC
after the Layer 2 header and before the Layer 1 payloadD
after the Layer 1 header and before the Layer 2 payloadE
after the Layer 2 header and before the Layer 3 payload
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