多选题Which two statements are true about IS -IS routing?()ABased on the default timers, OSPF d etects a failure faster than IS - IS does.BOSPF default timers permit more tuning than IS - IS does.CIS - IS is more efficient than OSPF in the use of CPU resources.DOSPF is more scalable than IS - IS because of its ability to identify normal, stub, an d NSSA areas.EIS - IS and OSPF are both Open Standard, link - state routing protocols which support VLSM.

多选题
Which two statements are true about IS -IS routing?()
A

Based on the default timers, OSPF d etects a failure faster than IS - IS does.

B

OSPF default timers permit more tuning than IS - IS does.

C

IS - IS is more efficient than OSPF in the use of CPU resources.

D

OSPF is more scalable than IS - IS because of its ability to identify normal, stub, an d NSSA areas.

E

IS - IS and OSPF are both Open Standard, link - state routing protocols which support VLSM.


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