多项选择题

Which two design recommendations are most appropriate w……

Which two design recommendations are most appropriate when OSPF is the data center core routing protocol? （）

A. Never use passive interfaces.
B. Use NSSA areas from the core down.
C. Use totally stub areas to stop type 3 LSAs.
D. Use the lowest Ethernet interface IP address as the router ID.
E. Tune OSPF timers to enable OSPF to achieve quicker convergence.

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热门试题

单项选择题Which of the following is a characteristic of a data center core?（）

A. Server-to-server traffic always remains in the core layer.
B. The recommended practice is for the core infrastructure to be in Layer 3.
C. The boundary between Layer 2 and Layer 3 should be implemented in the aggregation layer.
D. The Cisco Express Forwarding hashing algorithm is the default, based on the IP address and Layer 4 port.
E. Core layer should run BGP along with an IGP becauseiBGP has a lower administrative distance than any IGP.

多项选择题Which two of these multicast deployments are most susceptible to attacks from unknown sources?（）

A.ASM
B.BiDirPIM
C.PIM-SMRP
D.RP-Switchover
E.SourceSpecificMulticast

单项选择题What is the default value of the SPT threshold in Cisco routers?（）

A. 0
B. 1
C. 2
D. 4
E. 16
F. infinity

单项选择题To which of these does IP multicast send packets?（）

A. a single host
B. a subset of hosts
C. all hosts sequentially
D. all hosts simultaneously

单项选择题Which of these ports does syslog use to send messages to a syslog server?（）

A.TCP502
B.TCP514
C.TCP520
D.UDP502
E.UDP514
F.UDP520