A network planning diagram shows a large internetwork with many routers. The configurations show that OSPF has been enabled on all interfaces, I P addresses correctly configured, and OSPF workinG. For which of the following cases would you expect a router to create and flood a Type 2 LSA?()
A. When OSPF is enabled on a LAN interface, and the router is the only router connected to the subnet.
B. When OSPF is enabled on a point - to -point serial link, and that router has both the higher router ID and higher interface IP address on the link.
C. When OSPF is enabled on a Frame Relay point - to - point subinterface, has the lower RID and lower subinterfa ce IP address, and otherwise uses default OSPF configuration on the interface.
D. When OSPF is enabled on a working LAN interface on a router, and the router has been elected BD
E. None of the other answers is correct.
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Overlay Transport Virtualization (OTV) join interface is used to source the OTV encapsulated traffic and send it to the Layer 3 domain of the data center network. Which statements are true about OTV join interface? ()
A. Join interface is a Layer 3 entity, and with the Cisco NX-OS release 6.0, it can only be defined as a physical interface, physical subinterface, Layer 3 port channel, or Layer 3 port channel subinterface.
B. A single join interface can be defined and associated with a given OTV overlay.
C. Multiple overlays can also share the same join interface.
D. Join interface can be a loopback interface.
E. The join interface is a Layer 3 entity that can be defined as a physical interface but not as a logical one.
既无视锥也无视杆细胞分布的区域是()
A. 中央凹
B. 视盘
C. 中央凹周围视角约20°的区域
D. 中央凹周围视角约30°的区域
E. 视网膜周边部
新教师有一套完善的维持学生注意的方法。
A. 正确
B. 错误
60.3mm(23/in)油管有424mm.4.83mm.6.45mm()4种壁厚。
A. 7.49mm
B. 5.5lmm
C. 7.Olmm
D. 8.Olmm