Which DSL encapsulation method requires client software running on the end - user PC that is directly connected to a DSL modem?（）

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• Which of the following solutions will encapsulate IPv6 packets with IPv4 headers？（）

  A . Create an IPv4 tunnel and assign the tunnel IPv6 addresses B . Create IPv4 interfaces on both ends of the network， and use either static routes or a routingprocess to direct IPv6 packets through those interfaces C . IPv6 packets cannot be encapsulated with IPv4 headers because the addresses are notcompatible D . Create IFV6 interfaces on both ends of the network， and use static routes to point the IPv4address to those interfaces E . Use an IPv6 routing protocol like OSPFv3 and assign IPv4 packets to that process F . Create an IPv4 tunnel and use the tunnel mode ipv6ip command

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• Which two encapsulation methods require that an 827 ADSL router be configured with a PPPusername and CHAP password？（）

  A . PPPoE with the 827 configured as a bridge B . PPPoE with the 827 configured as the PPPoE client C . PPPoA D . RFC 1483 Bridged with the 827 configured as the PPPoE client E . RFC 1482 Bridged with the 827 configured as a bridge

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• Which two Any Transport over MPLS （AToM） traffic encapsulations require the use of a control word？（）

  A . HDLC B . ATM AAL5 C . PPP D . Ethernet VLAN E . Frame Relay

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• Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN (Choose three.)（）。

  A . HDLC B . Ethernet C . Token Ring D . PPP E . FDDI F . Frame Relay

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• WAN data link encapsulation types include which of the following?（）

  A . T1 B . Frame Relay C . DSL D . PPP E . ISDN F . IPX

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• Which two demonstrate encapsulation of data？ （）

  A .  Member data have no access modifiers. B .  Member data can be modified directly. C .  The access modifier for methods is protected. D .  The access modifier to member data is private. E .  Methods provide for access and modification of data.

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• Which of the following correctly describe steps in the OSI data encapsulation process?（）

  A . The transport layer divides a data stream into segments and may add reliability and flow control information. B . The data link layer adds physical source and destination addresses and an FCS to the segment. C . Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information. D . Packets are created when the network layer adds Layer 3 addresses and control information to a segment. E . The presentation layer translates bits into voltages for transmission across the physical link.

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• Which the two demonstrate encapsulation of data？（）

  A .  Member data have no access modifiers. B .  Member data can be modified directly. C .  The access modifier for methods is protected. D .  The access modifier to member data is private. E .  Methods provide for access and modification of data.

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• Which of following VLAN frame encapsulation types are configurable on a Cisco switch?（）

  A . VTP B . 802.1Q C . LLC D . ISL E . CDP F . PAP

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• Which of the following ATOM traffic encapsulations require the use of a Control Word？（）

  A . Cell relay B . aal5 C . Ethernet VLAN D . Frame Relay E . HDLC F . PPP

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• Which benefit does digital subscriber line (DSL) systems for broadband access provide to the user?（）

  A . Secure access to company extranet B . Dedicated lines for high security data transfer C . Simple solution for high-quality digital video using coaxial cable D . Data and audio signals that share the same communications infrastructure

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• Which of the following are VLAN frame encapsulation types that may be configured on a Catalyst switch?（）

  A . VTP B . ISL C . CDP D . 802.1Q E . 802.1p F . LLC

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• Which two demonstrate encapsulation of data？（）  

  A .  Member data have no access modifiers. B .  Member data can be modified directly. C .  The access modifier for methods is protected. D .  The access modifier to member data is private. E .  Methods provide for access and modification of data.

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• Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN?（）

  A . HDLC B . Ethernet C . Token Ring D . PPP E . FDDI F . Frame Relay

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• Which encapsulation types are configurable on a Cisco switch for a trunk?（）

  A . VTP B . ISL C . CDP D . 802.1Q E . 802.1p F . LLC G . IETF

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• which command allows you to verify the encapsulation type （CISCO OR IETF） for a frame relay link？（）

  A . show frame-relay map B . show frame-relay lmi C . show inter serial D . show frame-relay pvc

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• Which layer 2 protocol encapsulation type supports synchronous and asynchronous circuis and has built-in security mechanisms?（）

  A . Frame Relay B . HDLC C . x.25 D . PPP

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• Packed Cell Relay encapsulation with AToM inclues which of the following？（）

  A . Tunnel label B . VC-label C . 5-byte ATM header D . Payload E . 4 byte ATM header F . Support for 30 packed cell

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• In which integration method is an IPV6 packet encapsulated within an IPV4 protocol？（）

  A . proxy B . dual-stack C . tunneling D . dot1q

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• Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN? (Choose three.)（）

  A . HDLC B . Ethernet C . Token Ring D . PPP E . FDDI F . Frame Relay

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• Which two are benefits of fully encapsulating a class？（）  

  A .  Performance of class methods is improved. B .  Implementation details of the class are hidden. C .  Access modifiers can be omitted on class data members. D .  Code that uses the encapsulation class can access data members directly. E .  Internal operation of the class can be modified without impacting clients of that class.

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• bout encapsulation vlan and IP on ZTE's PTN devices, which of the following is correct？()

  A.A MCC monitoring vlan and IP on all devices throughout the network can be exported to a file for backup. B.A PTN device on which mcc vlan and ip have problems can use service encapsulation ip to log into another PTN device remotely in the network. C.Service encapsulation vlan and ip will not be added into packet header when service packets are being forwarded in PTN network. D.T31 system does not support creation of vlan with 3001 or above.

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