Which three best describe the customer benefits of the Cisco Lifecycle Services approach？（）

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• Which of these best describes the Cisco Lifecycle Services approach？ （）

  A .  a methodology for proactively updating equipment before it reaches the end of its life B .  a methodology for introducing new technologies C .  a methodology for creating a business plan D .  a methodology for determining total cost or ownershi

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• Which statement best describes the Turbo ACL feature？ （）

  A . The Turbo ACL feature processes ACLs into lookup tables for greater efficiency B . The Turbo ACL feature leads to increased latency， because the time it takes to match the packet isvariable C . The Turbo ACL feature leads to reduced latency， because the time it takes to match the packet is fixedand consistent D . Turbo ACLs increase the CPU load by matching the packet to a predetermined list

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• Which two statements best describe enhanced wireless security encryption？（）

  A . TKIP protects RC4 encryption keys B . CKIP and TKIP protect AES encryption keys C . TKIP encryption is more processor intensive than AES encryption is D . WPA requires TKIP encryption， whereas WPA2 supports AES encryption E . WPA requires AES encryption， whereas WPA2 supports TKIP encryptio

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• Which two statements best describe EtherChannel？（）

  A . EtherChannel technology helps aggregate traffic grouping multiple，full-duplex point-to-point linkstogether B . EtherChannel technology is based on the 802.1 IEEE stand C . EtherChannel can aggregate up to 800 Mbps，8 Gbps，or Gbps of aggregate bandwidth for a Fast EtherChannel，Gigabit EtherChannel，or 10 Gigabit EtherChannel connection respectively D . EtherChannel is defined for Rapid Spanning Tree for faster convergence

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• Select the three best answers which best describe Private Network-to Network Interface （PNNI） in an ATM network.（）

  A . It is the Routing protocol used between ATM switches B . PNNI uses the same Dijsktra algorithm for SPF calculation C . PNNI and OSPF use the same Database to make cohesive decision for packet forwarding D . PNNI measures line capacities and delays in addition to simple cost metric

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• Which of these statements best describes VPLS？（）

  A .  Neither broadcast nor multicast traffic is ever flooded in VPLS. B .  Multicast traffic is flooded but broadcast traffic is not flooded in VPLS. C .  VPLS emulates an Ethernet switch， with each EMS being analogous to a VLAN. D .  Because U-PE devices act as IEEE 802.1 devices， the VPLS core must use STP. E .  When the provider experiences an outage， IP re-routing restores PW connectivity and MAC re-learning is needed.

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• Which three statements best describe multicast operation on Cisco Nexus switches in a data center？（）

  A .  Cisco NX-OS Software does not support PIM dense mode. B .  The command ip multicast-routing must be enabled in Cisco NX-OS Software before any multicast configuration is possible on the switch. C .  PIM CLI configuration and verification commands are not available until you enable the PIM feature with the feature pim command. D .  Cisco NX-OS Software supports multicast routing per Layer 3 VRF instance. E .  The default PIM operational mode on the Cisco Nexus 7000 switch is SSM.

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• Which three statements correctly describe the Cisco Validated Designs program? （）(Choose three.)

  A . includes three design levels B . incorporates products and technologies into enterprise, service provider, and commercial systems C . extends the value of designs through a sustained development plan D . does not factor customer input design process E . facilitates faster and more reliable customer deployments F . incorporates a narrow range of technologies and product

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• Which statement best describes OSPF external LSAs （type 5）？（）

  A . OSPF external LSAs are automatically flooded into all OSPF areas， unlike type 7 LSAs， which require that redistribution be configured. B . External LSAs （type 5） are automatically changed to type 1 LSAs at ASBRs. C . Type 5 LSAs are route summaries describing routes to networks outside the OSPF Autonomous System. D . External network LSAs （type 5） redistributed from other routing protocols into OSPF are not permitted to flood into a stub area.

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• Which statement best describes echo?（）

  A . Echo is the discernable leak-through of your own Rx path into your own Tx path.  B . Echo is the discernable leak-through of the packets of your Rx path into your own Tx path.  C . Echo is the nonaudible leak-through of the packets of your Rx path into your own Tx path.  D . Echo is the audible leak-through of the packets from the transmit path into your own receive path.  E . Echo is the nonaudible leak-through of the packets of your Tx path into your own Rx path.

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• Which of the following statements best describes Flashback Versions Query？（）  

  A .  Flashback Versions Query is used to make changes to multiple versions of data that existed between two points in time. B .  Flashback Versions Query is used to view all version changes on rows that existed between the time  the query was executed and a point in time in the past. C .  Flashback Versions Query is used to view version changes and the SQL to undo those changes on rows that existed between two points in time. D .  Flashback Versions Query is used to view all version changes on rows that existed between two points in time.

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• Which two statements best describe CBWFQ？（）

  A . The CBWFQ scheduler provides a guaranteed minimum amount of bandwidth to each class. B . CBWFQ services each class queue using a strict priority scheduler. C . The class-default queue only supports WFQ. D . Inside a class queue， processing is always FIFO， except for the class-default queue.

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• Which three best describe the partner benefits of the Cisco Lifecycle Services approach？（）

  A . Improve customer satisfaction rates B . Improve the skill sets of their staff members C . Increase their staff productivity D . Reduce the risk involved with deploying and supporting new and complex technologies E . Improve response times for network outages F . Help ensure that suppliers are meeting metric

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• Which three statements best describe HSRP configuration on Cisco Nexus switches？（）

  A .  In a vPC topology， the primary HSRP router will respond to ARP requests， but both HSRP routers will forward data traffic. No additional configuration is required. B .  In a vPC topology， the primary HSRP router will respond to ARP requests， but both HSRP routers will forward data traffic if the peer-gateway feature is enabled. C .  You can configure two overlapping HSRP groups to load share traffic from the connected hosts while providing the default router redundancy. D .  You can use the show standby command to verify HSRP operation and configuration. E .  If you remove the feature hsrp command， all relevant HSRP configuration information isalso removed.

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• Which two statements best describe Cisco IOS IP SLA？（）

  A . only implemented between Cisco source and destination-capable devices B . statistics provided by syslog， CLI， and SNMP C . measures delay， jitter， packet loss， and voice quality D . only monitors VoIP traffic flows E . provides active monitoring F . provides passive monitoring

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• Which best describes an inline view? （）

  A . a schema object B . a subquery that can contain an ORDER BY clause C . another name for a view that contains group functions D . a subquery that is part of the FROM clause of another query

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• Which three statements accurately describe IOS Firewall configurations？（）

  A . The IP inspection rule can be applied in the inbound direction on the secured interface B . The IP inspection rule can be applied in the outbound direction on the unsecured interface C . The ACL applied in the inbound direction on the unsecured interface should be an extendedACL. D . For temporary openings to be created dynamically by Cisco IOS Firewall， the access-list for thereturning traffic must be a standard ACL

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• Which of these statements best describes VPLS?（）

  A . Neither broadcast nor multicast traffic is ever flooded in VPLS. B . Multicast traffic is flooded but broadcast traffic is not flooded in VPLS. C . VPLS emulates an Ethernet switch, with eachEMS being analogous to a VLAN. D . Because U-PE devices act as IEEE 802.1 devices, the VPLS core must use STP. E . When the provider experiences an outage, IP re-routing restores PW connectivity and MAC relearning is needed.

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• Which of the following can best describe “intimate friends”?

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• Which of the following best describes first language acquisition?

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• Which of the following best describes Strauss' character？

  A．He was a man full of imagination and idea. B．He was a kind-hearted man who liked to help others. C．He was quick to see chance and ready to make improvements. D．Money-making was the thing that mattered most to him.

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• Which sentence best describes Hank's ear？

  A．it was nice and big. B．It was new and red. C．It was nice, new and red.

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• Which best describes the author’s tone（）

  A．Humanistic B．Objective C．Speculative D．Recriminatory

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• Which of the following can best describe the author（）

  A．Caring and determined B．Honest and responsible C．Ambitious and sensitive D．Innocent and single-minded

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