Valid Cisco CCNA Routing and Switching 200-125 CCNA training material

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Share some CCNA Routing and Switching 200-125 exam questions and answers below.
Which of the following describes the roles of devices in a WAN? (Choose three.) 
A. A CSU/DSU terminates a digital local loop. 
B. A modem terminates a digital local loop. 
C. A CSU/DSU terminates an analog local loop. 
D. A modem terminates an analog local loop. 
E. A router is commonly considered a DTE device. 
F. A router is commonly considered a DCE device. 
Answer: A,D,E

For what two purposes does the Ethernet protocol use physical addresses? (Choose two.) 
A. to uniquely identify devices at Layer 2 
B. to allow communication with devices on a different network 
C. to differentiate a Layer 2 frame from a Layer 3 packet 
D. to establish a priority system to determine which device gets to transmit first 
E. to allow communication between different devices on the same network 
F. to allow detection of a remote device when its physical address is unknown 
Answer: A,E

What is the difference between a CSU/DSU and a modem? 
A. A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line. 
B. A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line. 
C. A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line. 
D. A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line. 
Answer: D

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Knowing 200-125 CCNA Cisco Certified Network Associate Exam topics are helpful in your preparation.

1.0 Network Fundamentals 15%
2.0 LAN Switching Technologies 21%
3.0 Routing Technologies 23%
4.0 WAN Technologies 10%
5.0 Infrastructure Services 10%
6.0 Infrastructure Security 11%
7.0 Infrastructure Management 10%

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