试题详情
- 单项选择题 Please match the Cisco STP enahancement term to its definition.（） (1) BPDU guard (2) PortFast (3) BackboneFast (4) Loop guard (5) Root guard (a) shuts down a port that receives a BPDU when enabled (b) cuts convergence time by mas-age for indirect failure (c) prevents the aliernate or root port from being designated in absence of BPDUs (d )causes Layer 2 LAN interface access port to immediately enter the forwarding state (e) helps prevent bridging loops due to jni-directional link failures on point-to-point links
A、（a）-（1）；（b）-（2）；（c）-（4）；（d）-（5）；（e）-（3）
B、（a）-（4）；（b）-（3）；（c）-（2）；（d）-（5）；（e）-（1）
C、（a）-（3）；（b）-（2）；（c）-（4）；（d）-（5）；（e）-（1）
D、（a）-（1）；（b）-（3）；（c）-（4）；（d）-（2）；（e）-（4）
- D
关注下方微信公众号，在线模考后查看
热门试题
- Which three of these
- Which protocol
- Which timing mode is
- You are a senior ne
- You are
- What are two indicat
- What is
- While troubleshootin
- Refertotheexhibit.Th
- Which two̳
- Host 1 sends an ICMP
- Why is a
- Which routing&
- When selecting a Net
- Which network techno
- How does
- The network
- Which device might b
- WhichofthefollowingL
- 请参见图示。交换机 SW1&e