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单选题
What is the first CoS process performed when a packet enters a JUNOS device?（）
A
Rewrite Marker
B
Multifield Classifier
C
Policing
D
BA Classifier
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单选题What does the command clear ipv6 ospf process accomplish?（）A
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单选题What is the last CoS process performed prior to a packet leaving a router?（）A
Rewrite MarkerB
Multifield ClassifierC
PolicingD
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考题
单选题Refer to the exhibit. A router has a 256 kbps Frame Relay circuit connected to interface serial 0/0. As a large FTP packet is being placed into the hardware transmit queue of interface serial 0/0， a voice packet is placed into the priority queue of that interface. How， and in what order， wi the packets be transmitted？（）A
the voice packet will be transmitted first， followed by the FTP packet in its entiretyB
the voice packet will be transmitted first， followed by the fragmented FTP packetC
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the FTP packet will be transmitted first in its entirety， follow by the voice packet
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单选题The command "clear ipv6 ospf process" was issued on a router. What does this commandaccomplish？（）A
The route table is cleared. Then the OSPF neighbors are reformedB
The OSPF adjacencies are cleared and initiated againC
The OSPF database is repopulated and then the shortest path first （SPF） algorithm isperformed.D
The shortest path first （SPF） algorithm is performed on the LSA databaseE
None of the other alternatives apply
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单选题When does the E-series router start monitoring DHCP traffic using the DHCP External function?（）A
When the discovery packet enters the router from the DHCP client.B
Only when the offer packet enters the router from the DHCP server.C
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Only when the discovery packet leaves the router going to the DHCP server.
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单选题Which of the following is not a characteristic of fast switching？（）A
Fast switching reducesa routers CPU utilization， compared to process switchingB
All packets of a flow， except for the first packet， use the information in the fast cacheC
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