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单选题
Where does Layer2 de-encapsulation occur on the ERX Edge Router？（）
A
on the SRP
B
on the I/O adapter
C
on the egress line module
D
on the ingress line module
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Which statement describes queue and buffer managment in the E－series router?()
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What are two way sthat IP datagrams are passed from the ingress line module to the egress line module?()
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You would like to install an OC －48c line module in an ERX 1440 Edge Router.Which slots can support this configuration()
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On Cisco Nexus 5000 Series Switches， where are the virtual output queues implemented， and what is the main purpose of virtual output queues？（）A、 on all ingress interfaces； to ensure maximum throughput on a per-egress， per-CoS basisB、 on all ingress interfaces； to provide independent congestion management and 16 queuesC、 on all egress interfaces； so that a congested egress port does not affect traffic directed to other egress portsD、 on all egress interfaces； to prevent head-of-line blocking by utilizing multiple virtual output queuesE、 on all egress interfaces； to be able to use EEE 802.1p CoS
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Your ERX Edge Router is constantly going to a boot## prompt. What is the most likely cause for this condition？（）A、 bad SRPB、 low voltageC、 bad mid-planeD、 corrupted flashE、 bad line module
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Which statement describes queue and buffer managment in the E-series router?（）A、Buffer memory is managed dynamically in the I/O module.B、Buffer memory is managed dynamically in the switch fabric.C、Buffer memory is managed dynamically on egress line modules.D、Buffer memory is managed dynamically on ingress line modules
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What are two way sthat IP datagrams are passed from the ingress line module to the egress line module?（）A、over an ATM PVCB、over a FastEthernet busC、overa Gigabit Ethernet busD、over high speed serial bus
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Where does Layer2 de-encapsulation occur on the ERX Edge Router？（）A、on the SRPB、on the I/O adapterC、on the egress line moduleD、on the ingress line module
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Your ERX router is supporting 100 virtual routers. A specific line module supports IP interfaces in 5 virtual routers.How many routing tables are maintained on that module?（）A、0B、1C、5D、100
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Which service does the ERX Edge Router support with a virtual router?（ ）A、voice over IPB、wholesale servicesC、IP quality of serviceD、SNMP management
考题
单选题Your ERX router is supporting 100 virtual routers. A specific line module supports IP interfaces in 5 virtual routers.How many routing tables are maintained on that module?（）A
0B
1C
5D
100
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单选题The primary line module has failed and the spare line module is nowactive.What occurs，by default，when the primary line module returns to an operational status？（）A
The primary line module is inactive for five minutes and then becomes active.B
The primary line module is in standby mode，while the spare line module remains active.C
The primary line module becomes active immediately and the spare line module becomes inactive.D
The primary and spare line modules are active for five minutes，after which time the spare line module becomes inactive.
考题
单选题You would like to install an OC -48c line module in an ERX 1440 Edge Router.Which slots can support this configuration（）A
0 and 1B
1 and 2C
2 and 3D
3 and 4
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单选题On which component are RED and WRED managed in the router?（）A
I/O moduleB
switch fabricC
egress line moduleD
ingress line module
考题
单选题Your ERX Edge Router is constantly going to a boot## prompt. What is the most likely cause for this condition？（）A
bad SRPB
low voltageC
bad mid-planeD
corrupted flashE
bad line module
考题
单选题What is the importance of using Virtual Output Queues on ingress Line Cards in a high-end router？（）A
Prevents head-of-line blockingB
Uses less memoryC
Increases forwarding performanceD
Simplifies configuration
考题
单选题Which statement describes queue and buffer managment in the E-series router?（）A
Buffer memory is managed dynamically in the I/O module.B
Buffer memory is managed dynamically in the switch fabric.C
Buffer memory is managed dynamically on egress line modules.D
Buffer memory is managed dynamically on ingress line modules
考题
单选题Which service does the ERX Edge Router support with a virtual router?（ ）A
voice over IPB
wholesale servicesC
IP quality of serviceD
SNMP management
考题
单选题On Cisco Nexus 5000 Series Switches， where are the virtual output queues implemented， and what is the main purpose of virtual output queues？（）A
on all ingress interfaces； to ensure maximum throughput on a per-egress， per-CoS basisB
on all ingress interfaces； to provide independent congestion management and 16 queuesC
on all egress interfaces； so that a congested egress port does not affect traffic directed to other egress portsD
on all egress interfaces； to prevent head-of-line blocking by utilizing multiple virtual output queuesE
on all egress interfaces； to be able to use EEE 802.1p CoS
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