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In which circumstance are multiple copies of the same unicast frame. likely to be transmitted in the Ezonexam Switched LAN?
A. During high traffic periods
B. In an improperly implemented redundant topology
C. After broken links are re-established
D. When upper-layer protocols require high reliability
E. When a dual ring topology is in use
F. None of the above
参考答案
更多 “ In which circumstance are multiple copies of the same unicast frame. likely to be transmitted in the Ezonexam Switched LAN?A. During high traffic periodsB. In an improperly implemented redundant topologyC. After broken links are re-establishedD. When upper-layer protocols require high reliabilityE. When a dual ring topology is in useF. None of the above ” 相关考题
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How is UPSR and BLSR traffic rerouted during a protection switch when a complete fiber cable cut occurs?()
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In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?()
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In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN()。
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In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?（）A、after broken links are re-establishedB、in an improperly implemented redundant topologyC、when upper-layer protocols require high reliabilityD、during high traffic periodsE、when a dual ring topology is in use
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What is the purpose of the spanning-tree algorithm in a switched LAN?（）A、To provide a monitoring mechanism for networks in switched environments.B、To manage VLANs across multiple switches.C、To prevent switching loops in networks with redundant switched paths.D、To segment a network into multiple collision domains.E、To prevent routing loops in networks.
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In Multicast VPN （MVPN） implementations， which two of the following statements are regarding the DefaultMDT Group？（）A、It is used for PIM control trafficB、It is optionally configured for a high bandwidth multicast source to reduce multicast traffic replication to uninterested PE routersC、Within the VPF configuration in the PE router， multiple Default MDT groups are configured so each VPF can support multiple multicast sourcesD、There is a reduced multicast state in the MPLS core P routersE、When multicast traffic exceeds a certain configured threshold， traffic from the Data MDT is switched to the Default MDT to conserve bandwidth
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pany has a Catalyst 6500 and you need to configure redundancy between the supervisor modules. With route processor redundancy （RPR+）， the redundant supervisor engine is fully initialized and configured， which shortens the switchover time if the active supervisor engine fails. Which three statements are true about the RPR + operations when the redundant supervisor engine switched over the failed primary supervisor engine？ （）A、 Static IP routes are maintained across a switchover because they are configured from entries in the configuration file.B、 Information about dynamic routing states， maintained on the active supervisor engine， is synchronized to the redundant supervisor engine and is transferred during the switchover.C、 Information about dynamic routing states， maintained on the active supervisor engine， is not synchronized to the redundant supervisor engine and is lost on switchover.D、 The Forwarding Information Base （FIB） tables are cleared on a switchover. As a result， routed traffic is interrupted until route tables reconverge.E、 Static IP routes are cleared across a switchover and recreated from entries in the configuration file on the redundant supervisor engine.F、 The Forwarding Information Base （FIB） tables are maintained during the switchover. As a result， routed traffic continues without any interruption when the failover occurs.
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How is UPSR and BLSR traffic rerouted during a protection switch when a complete fiber cable cut occurs?（）A、Traffic is switched from the first node receiving the AIS indication.B、Traffic is switched from the far side of the failure, allowing handshaking to occur.C、UPSR traffic is switched from the terminating node, BLSR traffic is rerouted from the originating node in the ring.D、UPSR traffic is switched from the terminating node, circuit by circuit. BLSR traffic is rerouted from the last reachable node in the ring.
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Which statement best describes the application of link fragmentation and interleaving （LFI）？（）A、It compresses the Layer 2 payload and marks the packet as a high priority to be transmitted firstB、It fragments larger packets and allows VoIP packets to be transmitted in between them.C、It stops the transmission of large packets when priority packets arrive.D、It sends high priority packets in between normal traffic packets.
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In a switched LAN network, what is the Spanning-Tree algorithm used for?（）A、It is used to provide a mechanism for routing updates in switched environments.B、It is used to prevent routing loops in networks with redundant routes.C、It is used to prevent switching loops in networks with redundant switched routes.D、It is used to manage, the addition, deletion, and naming of VLANs across multiple switches.E、It is used to segment a network into multiple collision domains.F、None of the above.G、All of the above are functions of STP.
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Company has a Catalyst 6500 and you need to configure redundancy between the supervisormodules. With route processor redundancy （RPR+）， the redundant supervisor engine is fullyinitialized and configured， which shortens the switchover time if the active supervisor engine fails.Which three statements are true about the RPR + operations when the redundant supervisorengine switched over the failed primary supervisor engine？（）A、Static IP routes are maintained across a switchover because they are configured from entries inthe configuration fileB、Information about dynamic routing states， maintained on the active supervisor engine， issynchronized to the redundant supervisor engine and is transferred during the switchoverC、Information about dynamic routing states， maintained on the active supervisor engine， is notsynchronized to the redundant supervisor engine and is lost on switchoverD、The Forwarding Information Base （FIB） tables are cleared on a switchover. As a result， routedtraffic is interrupted until route tables reconvergeE、Static IP routes are cleared across a switchover and recreated from entries in the configurationfile on the redundant supervisor engineF、The Forwarding Information Base （FIB） tables are maintained during the switchover. As aresult， routed traffic continues without any interruption when the failover occurs
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In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switchedLAN？（）A、after broken links are re-establishedB、in an improperly implemented redundant topologyC、when upper-layer protocols require high reliabilityD、during high traffic periodsE、when a dual ring topology is in use
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Which statement describes exception traffic?（）A、Exception traffic must be sent to the PFE for processing.B、Exception traffic enters one ingress port and is sent out multiple egress ports.C、Exception traffic is rate-limited on the internal link to prevent DoS attacks.D、Exception traffic is processed after forwarding traffic when congestion exists.
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多选题In Multicast VPN （MVPN） implementations， which two of the following statements are regarding the DefaultMDT Group？（）AIt is used for PIM control trafficBIt is optionally configured for a high bandwidth multicast source to reduce multicast traffic replication to uninterested PE routersCWithin the VPF configuration in the PE router， multiple Default MDT groups are configured so each VPF can support multiple multicast sourcesDThere is a reduced multicast state in the MPLS core P routersEWhen multicast traffic exceeds a certain configured threshold， traffic from the Data MDT is switched to the Default MDT to conserve bandwidth
考题
单选题In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switchedLAN？（）A
after broken links are re-establishedB
in an improperly implemented redundant topologyC
when upper-layer protocols require high reliabilityD
during high traffic periodsE
when a dual ring topology is in use
考题
单选题Which statement best describes the application of link fragmentation and interleaving （LFI）？（）A
It compresses the Layer 2 payload and marks the packet as a high priority to be transmitted firstB
It fragments larger packets and allows VoIP packets to be transmitted in between them.C
It stops the transmission of large packets when priority packets arrive.D
It sends high priority packets in between normal traffic packets.
考题
单选题In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?（）A
after broken links are re-establishedB
in an improperly implemented redundant topologyC
when upper-layer protocols require high reliabilityD
during high traffic periodsE
when a dual ring topology is in use
考题
单选题What is the purpose of the spanning-tree algorithm in a switched LAN?（）A
To provide a monitoring mechanism for networks in switched environments.B
To manage VLANs across multiple switches.C
To prevent switching loops in networks with redundant switched paths.D
To segment a network into multiple collision domains.E
To prevent routing loops in networks.
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