单选题Identify the link efficiency mechanism?()ALFIBLLQCRSVPDWFOEWRED

单选题
Identify the link efficiency mechanism?()
A

LFI

B

LLQ

C

RSVP

D

WFO

E

WRED


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VLAN Tagging, also known as Frame Tagging, is a method developed by Cisco to help identify packets travelling through trunk links. When an Ethernet frame traverses a trunk link, a special VLAN tag is added to the frame and sent across the trunk link .How does ERS use the VLAN tag?()A. provide service internetworkingB. support transparency for Layer 2 framesC. indicate destination as a connection identifierD. map to the DLCI in service internetworking

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Which two statements about using the CHAP authentication mechanism in a PPP link are true?() A.CHAP uses a two-way handshakeB.CHAP authentication periodically occurs after link establishmentC.CHAP has no protection from playback attacksD.CHAP authentication is performed only upon link establishmentE.CHAP uses a three-way handshakeF.CHAP authentication passwords are sent in plaintext

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Identify the link efficiency mechanism?()A、LFIB、LLQC、RSVPD、WFOE、WRED

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What is the purpose of the cisco Vlan Trunking protocol?()A、to provide a mechanism to dynamically assign vlan membership to switch portsB、to allow traffic to be carried from multiple vlans over a single link between switchesC、to allow native vlan information to be carried over a trunk linkD、to provide a mechanism to manually assign vlan membership to switch portsE、to allow for managing the additions,deletions,and changes of vlans between switchs

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单选题Microsoft's COM is a software(1)that allows applications to be built from binary software components. COM is the underlying architecture that forms the foundation for higher-level software services, like those provided by OLE.COM defines a binary standard for function calling between components,a way for components to dynamically discover the interfaces implemented by other components,and a mechanism to identify components and their interfaces uniquely. OLE is a compound(2)standard developed by Microsoft.OLE makes it possible to create(3)with one application and link or embed them in a second application.Embedded objects retain their original format and(4)to the application that created them.Support for OLE is built into the Windows and MacOS Operating Systems.A(5)compound document standard developed mainly by Apple and IBM is called OpenDoC.空白(4)处应选择()AcharacteristicsBaddressCpageDlinks

单选题What is the purpose of the cisco Vlan Trunking protocol?()Ato provide a mechanism to dynamically assign vlan membership to switch portsBto allow traffic to be carried from multiple vlans over a single link between switchesCto allow native vlan information to be carried over a trunk linkDto provide a mechanism to manually assign vlan membership to switch portsEto allow for managing the additions,deletions,and changes of vlans between switchs

多选题Which four are true regarding the Workspace Manager in Oracle9i? ()AAutomatically versions all tables.BAutomatically installed with Oracle9i.CMerges changes with parent rows or discard changes.DProvides mechanism to identify and resolve conflicts.EAllows for version enabling tables by use of a packages procedure.