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单选题
Which of the following parameters can prevent packet fragmentation on routers when connecting to remote networks？（）
A
mtu
B
sb-max
C
rfc1323
D
tcp_mssdflt
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Which of the following parameters can prevent packet fragmentation on routers when connecting to remote networks？（）A、mtuB、sb-maxC、rfc1323D、tcp_mssdflt
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Which one of the following statements best explains the split horizon rule?（）A、Only routers can split boundaries (horizons) between networks in separate AS numbers.B、Each AS must keep routing tables converged to prevent dead routes from being advertised across boundaries.C、Once a route is received on an interface, advertise that route as unreachable back out the same interface.D、Information about a route should never be sent back in the direction from which the original update came.
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When policy - based routing (PBR) is being configured, which three criteria can the set command specify?（）A、all interfaces in the path toward the destinationB、all networks in the path toward the destinationC、adjacent next hop router in the path toward the destinationD、all routers in the path toward the destinationE、all interfaces through which the packets can be routedF、type of service and precedence in the IP packets
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单选题Which one of the following statements best explains the split horizon rule used in distance vector routing protocols?（）A
Only routers can split boundaries (horizons) between concentric networks.B
Each AS must keep routing tables converged to prevent dead routes from being advertised across boundaries.C
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单选题Which one of the following statements best explains the split horizon rule?（）A
Only routers can split boundaries (horizons) between networks in separate AS numbers.B
Each AS must keep routing tables converged to prevent dead routes from being advertised across boundaries.C
Once a route is received on an interface, advertise that route as unreachable back out the same interface.D
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单选题Which statement describes the rule of split horizon?（）A
Only routers can split boundaries (horizons) between concentric networks.B
All distance vector protocols require fall back routers that may cause momentary loops as the topology changes.C
Networks can only remain fully converged if all information about routers is sent out all active interfaces.D
Information about a route should not be sent back in the direction from which the original update come.E
Each AS must keep routing tables converged to prevent dead routes from being advertised across the AS boundary.
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RCMDB
SSHC
TELNETD
HTTP
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多选题When policy - based routing (PBR) is being configured, which three criteria can the set command specify?（）Aall interfaces in the path toward the destinationBall networks in the path toward the destinationCadjacent next hop router in the path toward the destinationDall routers in the path toward the destinationEall interfaces through which the packets can be routedFtype of service and precedence in the IP packets
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空白（2）处应选择（）A
userB
hostC
cityD
destination
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单选题Which of the following options would best help to reduce packet fragmentation for a TCP application transferring large amounts of data between servers across a path of multiple networks？（）A
Adjust Path MTU attributes， using the no command.B
Adjust the status queue size on the adapters， using the chdev command.C
Adjust ipforwarding to enabled， using the no command.D
Adjust tcp_maxburst to enabled， using the no command.
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单选题Which series of Cisco routers is suitable for small businesses and for connecting small offices to enterprise networks？（）A
Cisco 800 Series routersB
Cisco 830 Series routersC
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单选题Which of the following ping parameters will set the size of the outgoing packet?（）A
–cB
iC
RD
–s
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单选题Which of the following options would you choose to implement controlled access using remote authentication for your networks？（）A
OiDB
RADIUSC
Wallet ManagerD
Oracle Names Server
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