640 - 607
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Incorrect Answers:
A is incorrect; the show ip command displays the switches current IP configuration.
C is incorrect; this is not a valid command.
D is incorrect; Frame-relay will require another parameter after the show frame-relay IOS command.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 421-424 and 82.
Q. 130
Which element is used to define the rate, in bits per second, which a Frame Relay switch agrees to
transfer data?
A. Clock rate
B. Committed information rate
C. Local management interface
D. Data-link connection identifier
E. Committed rate measurement interval
Answer: B
Explanation: CIR is the rate, in bits per second, at which the service provider states that data will be transfered.
Incorrect Answers:
A is incorrect; clock rate is the transmission medium speed, which is determined by modem clocking.
Odom. Cisco CCNA Exam #640-507 Certification Guide. (Cisco Press: 2000) pages 28-30
C is incorrect; LMI is a signaling standard between the router device and the Frame Rekay switch that is
responsible for managing the connection and maintaining the status between the devices.
D is incorrect; DLCI is addressing used to identify virtual circuits.
E is incorrect; this is the sampling period used in controlling CIR, but is not the rate itself.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 413-414.
Q. 131
How many valid host IP addresses are available on the following network/subnetwork?
176.12.44.16/30
A. 2
B. 30
C. 254
D. 16,382
E. 65,534