1. Refer to the exhibit. What can be concluded about the function of the Serial 0/0/0 interface on the router after the commands are entered? The serial link will be closed if the number of received packets at the destination node falls below 90 percent of the packets that are sent. 2. Refer to the exhibit. While troubleshooting a serial interface, a technician enters the command show interface serial 0/0/0 . If the interface is in DCE mode, what two problems are likely to cause the indicated problem? (Choose two.) The remote CSU or DSU has failed. A timing problem has occurred on the cable. 3. Refer to the exhibit. What statement is true regarding the output shown? The PAP passwords did not match, so the routers are trying CHAP authentication. 4. Why are serial connections preferred over parallel connections for long transmission lengths? Parallel connections are subject to clock skew and to crosstalk between wires. 5. Which two statements are true about time-division
Cisco Certified Network Associate Exam,640-802 CCNA All Answers ~100/100. Daily update