看看这个题

小熊

RtrB#show interface serial0/0<br>Serial0/0 is up, line protocol is up<br>Hardware is PowerQUICC Serial<br>Internet address is 10.0.15.2/21<br>MTU 1500 bytes, BW 128 Kbit, DLY 20000 usec,<br>reliability 255/255, txload 1/255, rxload 1/255<br>Encapsulation PPP, loopback not set<br>Keepalive set (10 sec)<br>LCP Open<br>Closed: IPXCP<br>Listen: CCP<br>Open: IPCP, CDPCP<br>Last input 00:00:00, output 00:00:00, output hang never<br>Last clearing of &quot;show interface&quot; counters 00:52:02<br>Input queue: 0/75/0/0 (size/max/drops/flushes): total output drops: 0<br>Queuing strategy: weighted fair<br>Output queue: 0/1000/64/0 (size/max total/threshold/drops)<br>After reviewing the command output, which of the following are operational on the serial link? (Choose<br>two)<br>A. IPX<br>B. IP<br>C. Compression<br>D. CDP<br>E. Multilink<br><br>CE<br><br>不理解

cwav

Hardware is PowerQUICC Serial<br>Queuing strategy: weighted fair<br><br><br>这两段可以说明问题

cwav

Open: IPCP, CDPCP<br><br>不过这个好像？

简单爱

好像不大理解？？？