Traffic drop for FCoE is experienced across a Nexus 5548 switch. What is a possible cause？（）

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  A . a minimum of 48 kb/s B . a maximum of 48 kb/s C . a minimum of 48% of the available bandwidth D . a maximum of 48% of the available bandwidth

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• Interface congestion is causing drops in voice packets and TCP packets. The drops result in jerky speech quality and slower FTP traffic flows. Which two technologies would proactively address the TCP transfer rate and the voice problems？ （）

  A .  CBWFQ B .  LLQ C .  traffic shaping D .  WRED

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• what is Cisco provides three mechanisms for regulating or shaping traffic？

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• There is MPLS VPN traffic traversing through a TE intermediate router. What is the MPLS packet labelstack sequence （from outer to inner） for the VPN traffic on this router？（）

  A . TE label， IGP label， VPN label B . IGP label， TE label， VPN label C . TE label， VPN label， IGP label D . VPN label， IGP label， TE label E . IGP label， VPN label， TE label

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• A client is experiencing issues after cloning an LPAR using alt_disk_install. DLPAR functions are not available for the new LPAR. Also, there is a lot of network traffic to the HMC. What is the most probable cause of this problem?（）

  A . DLPAR functions are not available for cloned partitions B . The new partition has the same node number as the original LPAR C . Additional filesets need to be reinstalled after the alt_disk_install cloning D . The speed and duplex settings on the Ethernet adapter on the new LPAR is misconfigured

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• Which statement is NOT a key QoS recommended requirement for voice bearer traffic?（）

  A . Voice traffic should be marked to DSCP EF per the QoS baseline and RFC3246. B . Voice traffic loss should be no more than 3%. C . One-way latency （mouth-to-ear） should be less than 150 msec. D . Average one way jitter should be targeted to less than 30 msec. E . 21-320 Kbps of guaranteed priority bandwidth is required per call depending on sample rate，codec，and layer 2 overhead.

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• Which traffic descriptor is used for marking？ （）

  A . weighted RED （WRED） orange or green labels B . modular QoS CLI （MQC） application layer tags C . Deficit Round Robin （DRR） precedence bits D . header compression tags E . MPLS experimental bits F . FIFO Layer 2 descriptor labels （L2DL）

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• What is the term for the space that exists above a drop ceiling or below a raised floor and that isused for air return？（）

  A . NEMA area B . plenum area C . DAS area D . extended area E . RF special area

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• The RECYCLEBIN parameter is set to ON for your database. You drop a table，PRODUCTS，from the SCOTT schema.  Which two statements are true regarding the outcome of this action？（）

  A .  All the related indexes and views are automatically dropped B .  The flashback drop feature can recover only the table structure C .  Only the related indexes are dropped whereas views are invalidated D .  The flashback drop feature can recover both the table structure and its data

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• Which routing method is used to determine the forwarding paths for IP traffic in a Secure Cisco Single-Site Network foundation solution with remote teleworkers？（）

  A . RIP B . EIGRP C . OSPF D . Static and default route

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• There is a vessel in position 120.0E 24.5N on course 120 degrees and speed 12.5 knots（）is not complying with traffic regulations.

  A . this B . who C . which D . it

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• When provisioning for Interactive-Video（e，g，video conferencing traffic）which three statementsdepicts the correct requirements？（）

  A . Loss should be no more than 1 percent. B . One-way latency should be no more than 150 ms C . Jitter should be no more than 30 ms D . Loss should be no more than 3 percent E . One-way latency should be no more than 150/2=75 ms F . Jitter should be no more than 300 m

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• The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema. Which two statements are true regarding the outcome of this action? （）(Choose two)

  A . All the related indexes and views are automatically dropped B . The flashback drop feature can recover only the table structure C . Only the related indexes are dropped whereas views are invalidated D . The flashback drop feature can recover both the table structure and its data

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• Authentication for user data traffic is important, but so is authentication for IP voice traffic. The Cisco 830 802.1 feature provides an easier method for allowing IP voice traffic through the VPN, because it（）.

  A . requires access lists to identify the voice traffic  B . can allow traffic from a device without 802.1X authentication, by MAC address C . can allow traffic from Cisco IP phones by listening to their CDP advertisements D . allows all packets marked with a ToS of 5 to bypass authentication E . allows all IP voice packets to bypass authentication via stateful inspectio

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• Lossless Ethernet for FCoE is achieved through the use of which features？（）

  A .  Priority flow control B .  Buffer-to-buffer credits C .  TCP retransmission D .  Ethernet checksum E .  QoS policie

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• Examine the following options ，when editing global IPS settings， which one determines if the IOS- basedIPS feature will drop or permit traffic for a particular IPS signature engine while a new signature for thatengine is being compiled？（）

  A . Enable Signature Default B . Enable Engine Fail Closed C . Enable Default IOS Signature ActualTests.com D . Enable Fail Opened

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• Interface congestion is causing drops in voice packets and TCP packets. The drops result in jerky speech quality and slower FTP traffic flows. Which two technologies would proactively address the TCP transfer rate and the voice problems？（）

  A . CBWFQ B . LLQ C . traffic shaping D . WRED

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• The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema.Which two statements are true regarding the outcome of this action?（）

  A . All the related indexes and views are automatically dropped B . The flashback drop feature can recover only the table structure C . Only the related indexes are dropped whereas views are invalidated D . The flashback drop feature can recover both the table structure and its data

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• Companycom is installing a p5 590 with a HMC to manage LPARs. The customer is very concerned about security and wants to restrict network traffic that is not necessary. What is necessary for communication between the LPARs and the HMC?（）

  A . An administrative VLAN with port 1808 B . Port 657 which must remain open to TCP/IP and UDP traffic C . Network addresses are provided by DHCP services on the network D . DHCP on the HMC is required to be on to communicate between LPAR and HMC

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• In MPLS traffic engineering， which one of the following protocols is used for Path Setup？（）

  A . BGP B . OSPF C . ISIS D . RSVP

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• 听力原文：M: The subway is running behind schedule. and traffic is backed up for blocks. I don't know if well make the 7:15 show

  W: It's a beautiful night. Let's try to get there on foot. We may have dinner near the theatre. Q: Where are they heading for？ (14) A．The subway station. B．The beautiful seeing sights. C．The restaurant. D．The theatre.

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• City traffic jam—one of the least wanted effects of the motor vehicle—is something with which we're all familiar and for which most of us have an answer. But which solution is best？

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• As an experienced technician, you are responsible for Technical Support in your company. One of the trainees is asking you some quest|ons on the basis of the following output information. He is wondering, as to interface Fa0/0, assuming that the queue depth value for class "newclass" reaches 32, how many packets will be dropped concerning dscp afll traffic？（）

  <img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/8c4e1542d98c7c3a93a8829182d77b66.jpg' /> A. All Packets will be dropped B. One out of Ten packets will be dropped C. No Packets will be dropped until queue depth reached 256 D. Packets will be dropped according to the exponential weight setting

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• Abjee is going to log on to his network.His network does not employ traffic padding mechanisms.Why will it be easy for someone to steal his password？()

  A.Because his password could be more than two weeks old B.Because of he predictability of the length of the login and password prompts C.Because the Cleartext user name and password are not encrypted D.Because there is no provision for log analysis without traffic padding, thus no accountability when passwords are lost

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