Which of the following would be considered a routing protocol？（）

What is the default protocol preference for OSPF internal routes?（）

Which two protocols use UDP as a transport protocol by default?（）

Which two of these are characteristics of the 802.1Q protocol？（）

You need to implement the use of a routing protocol that meets the following requirements: 1. Converges quickly 2. Supports VLSM, CIDR, IP, and IPX. 3. Uses minimal bandwidth for routing updates. Which one of the following routing protocols would be the best choice?（）

Which two statements are correct regarding default protocol preference values?（）

What four functions does Web Cache Communication Protocol (WCCP) incorporate?（）

PPP（Point-to-Point Protocol，点到点协议）是一种在同步或异步线路上对数据包进行封装的数据链路层协议，早期的家庭拨号上网主要采用SLIP协议，而现在更多的是用PPP协议。

Which two are NOT characteristics of the OSPF routing protocol?（）

Internet Protocol videoconferencing (IP/VC) provides which two business benefits? （）