To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus?()
A. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 link
B. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 link
C. to two core switches from redundant distribution switches connected with Layer 2 link
D. to two core switches from redundant distribution switches connected with Layer 3 link
E. to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO
查看答案
在一般钢材中,只有高温时存在奥氏体。
A. 正确
B. 错误