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单选题
Identify the link efficiency mechanism？（）
A
LFI
B
LLQ
C
RSVP
D
WFO
E
WRED
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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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多选题Which two statements about using the CHAP authentication mechanism in a PPP link are true?（）ACHAP uses a two-way handshakeBCHAP authentication periodically occurs after link establishmentCCHAP has no protection from playback attacksDCHAP authentication is performed only upon link establishmentECHAP uses a three-way handshakeFCHAP authentication passwords are sent in plaintext
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单选题In the context of configuring dial-on-demand routing using ISDN, what is the purpose of the dialer-list command?（）A
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多选题You are the network administrator tasked with designing a switching solution for the Company network. Which of the following statements describing trunk links are INCORRECT？（）AThe trunk link belongs to a specific VLAN.BMultiple trunk links are used to connect multiple end user devices.CA trunk link only supports native VLAN.DTrunk links use 802.10 to identify a VLAN.EThe native VLAN of the trunk link is the VLAN that the trunk uses for untagged packets.
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单选题What happens to the efficiency of an anchor when it is moved from sand to mud?（）A
The efficiency increasesB
The efficiency decreasesC
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单选题Which mechanism can you use to achieve sub-second failover for link failure detection when a switched Ethernet media is used and loss of signal is not supported by the link provider？（）A
OSPF standard hellosB
Cisco Discovery Protocol link detectionC
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空白（4）处应选择（）A
characteristicsB
addressC
pageD
links
考题
单选题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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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.
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