默认题库 - CCIE SP

多选题

Which two statements are correct with regard to route distinguisher as defined in RFC 4364-AKA IP-VPN（MPLS-VPN）？（）

A. The configuration to define Route-Distinguisher is Ip vrf bulle Rd 1：1
B. A route distinguisher can be imported and exported to and from a VRF
C. Route-Distinguisher is an 8 byte BGP attribute value used in influencing BGP best path algorithm.
D. Route-Distinguisher is an 8 byte value used in creating unique VPNv4 address.

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单选题

In optical transmission systems， chirped lasers are used for the purpose of：（）.

A. Turning the laser to a specific ITU channel
B. Keeping the signal wavelength "locked" to a specific technology
C. Suppressing FWM and SBS non-linear effects
D. None ofthe above

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单选题

（）级是基于无线传输信息并采用轨道电路等方式检查列车占用的列车运行控制系统。点式设备主要传送定位信息。

A. CTCS-3
B. CTCS-2
CTCS-1
D. CTCS-0

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多选题

Which of the following processes in IOS XR run exclusively on the Route Processor？（）

A. bgp
B. mpls_idp
C. sysmgr
D. wdsysmon
E. g

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多选题

What are three common reasons for ATM CRC errors？（）

A. Incorrect VPI and VCI configuration
B. Noise， gain hits， or other transmission problems on the data link equipment
C. ATM cells are dropped due to incorrect ATM routing in the service provider.
D. A faulty or failing ATM interface.
E. Cells are dropped due to traffic policing in the ATM cloud on one or more virtual circuits attached to theATM interface

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多选题

Which four statements about Ethernet virtual circuit （EVC） infrastructure are true？（）

A. EVC infrastructure is a Layer 3 platform-independent routing architecture that supports IP overEthernet services
B. Ethernet flow point （EFP） is configured on the main interface
C. Feature commands like MQC-based QoS policies can be specified
D. EVC infrastructure is a Layer 2 platform-independent bridging architecture that supports Ethernetservices
Each Ethernet flow point （EFP） matches a predefined VLAN tag-based criteria
F. Ethernet flow point （EFP） is configured on the VLAN interface

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单选题

Which configuration prevents traffic that is sourced from the unique local address scope to be sent out ofthe link to the upstream service provider？（）

A. interface Ethernet0/0 pv6 traffic-filter NoULA out pv6 access-list NoULA Deny ipv6 FC00：：/8 any Permit ipv6 any any
B. interface Ethernet0/0 pv6 traffic-filter NoULA out pv6 access-list NoULA Deny ipv6 FC00：：/7 anyP ermit ipv8 any any
C. interface Ethernet0/0 pv6 access-group NoULA out pv6 access-list NoULA Deny ipv6 FC00：：/8 anyP ermit ipv6 any any
D. interface Ethernet0/0 pv6 access-group NoULA out pv6 access-list NoULA Deny ipv6 FC00：：/7 any Permit ipv6 any any

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单选题

If cooling water flow through the after-cooler is interrupted,the power output of a turbocharged diesel engine will drop because the （）

A. turbocharger will stall
B. density of the air charge will decrease
C. scavenge effect will increase
D. exhaust pressure will increase

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单选题

The Outer.1Q tag represents customer VLAN ID and inner.1Q tag represents Provider VLAN？（）

A. The Outer.1Q tag represents customer VLAN ID and inner.1Q tag represents Provider VLAN （PVLAN ）
B. It is an effective way to achieve VLAN transparency between Provider and enterprise customer bytunneling one ser of VLAN tags inside a second VLAN tag
C. The Outer.1Q tag represents Service VLAN （PVLAN） and inner.1Q tag represents customer VLAN
D. QinQ is a way to hide native VLAN which can conflict with Provider native VLAN

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多选题

Select the 3 best answers describing operation and configuration of Frame-Relay Inverse ARP.（）

A. Dynamic address mapping uses Frame Relay Inverse ARP to request the next-hop protocol address for a specific connection on its known DLCI
B. Responses to Inverse ARP requests are entered in an address-to-DLCI mapping table on the router or access server which is used to supply the next-hop protoco address or the DLCI for outgoing traffic
C. Inverse ARP is enabled by default for all protocols enabled on the physical interface
D. Inverse ARP is configured using the following command under the Interface configuration ’frame-relaymap dlci （dlci number） protocol protocol-address’
E. Inverse ARP in Frame-Relay is synonymous of ARP in Ethernet

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Which two statements are correct with regard to route distinguisher as defined in RFC 4364-AKA IP-VPN（MPLS-VPN）？（）

In optical transmission systems， chirped lasers are used for the purpose of：（）.

（）级是基于无线传输信息并采用轨道电路等方式检查列车占用的列车运行控制系统。点式设备主要传送定位信息。

Which of the following processes in IOS XR run exclusively on the Route Processor？（）

What are three common reasons for ATM CRC errors？（）

Which four statements about Ethernet virtual circuit （EVC） infrastructure are true？ （）

Which configuration prevents traffic that is sourced from the unique local address scope to be sent out ofthe link to the upstream service provider？（）

If cooling water flow through the after-cooler is interrupted,the power output of a turbocharged diesel engine will drop because the （）

The Outer.1Q tag represents customer VLAN ID and inner.1Q tag represents Provider VLAN？（）

Select the 3 best answers describing operation and configuration of Frame-Relay Inverse ARP.（）

Which four statements about Ethernet virtual circuit （EVC） infrastructure are true？（）