CCNA 4 Chapter 1 Exam Answers

CCNA Exploration 4 Chapter 1 Exam Answers

1. Which WAN technology uses a fixed payload of 48 bytes and is transported across both switched and permanent virtual circuits?

ATM

ISDN

Frame Relay

metro Ethernet

 

2. Which statement is true about data connectivity between a customer and a service provider?

Normally the CSU/DSU is the designated demarcation point for the service provider but not the customer.

The segment between the demarcation point and the central office is known as the "last mile."

The local loop is the segment between the CSU/DSU and the serial port on a router.

Putting data on the local loop is the responsibility of the DTE.

 

3. A U.S. company requires a WAN connection used only to transfer sales data from individual stores to the home office. All transfers will occur after business hours. The required bandwidth for this connection is estimated to be less than 38 kbps. Which type of connection requires the least investment for this company?

ATM

ISDN

analog dialup

T1 Leased Line

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