| Question 1 | When configuring a rotary group, you need to specify an interface and interface number that other interfaces will be members of. What type of interface collects the multiple interfaces? A. serial B. dialer C. rotary D. BRI
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| A1: | Answer B is correct. A dialer interface is responsible for collecting all physical interfaces that the rotary group will use. Answer C is incorrect because rotary is used with a group of physical interfaces for incoming calls. Answers A and D are incorrect because they are physical interfaces. |
| Question 2 | The maximum value for a dialer group number is |
| A2: | The correct answer is D. The range goes up to 255. Answers A, B, and C are incorrect because they don't go to 255. |
| Question 3 | What command enables DDR on a serial interface? A. dialer inband B. dialer async C. dialer outband D. dialer inout
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| A3: | Answer A is correct. You must place the dialer inband statement on synchronous and asynchronous serial interfaces to tell the interface it needs to interact with an external device. The commands in Answers B, C, and D don't exist as shown. |
| Question 4 | When an interface is in use and a packet stream needs to make a call, it waits until an interface times out. What command speeds up the timeout value when there is contention for an interface? |
| A4: | Answer B is correct. The dialer fast-idle command tells the router to use a different timeout value when there is contention for an interface. Answer A doesn't exist, Answer C controls the normal timeout value, and Answer D is incorrect because B is the correct answer. |
| Question 5 | Dialer profiles consist of up to three major elements. These elements are A. Map class B. Dialer interface C. Dialer pool D. Dialer string
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| A5: | The correct answers are A, B, and C, which are elements of a dialer profile. Answer D is incorrect because the dialer string is a part of the dialer interface and specifies the phone number to be dialed. |
| Question 6 | Dialer profiles accept what types of encapsulation? A. SDLC B. PPP C. X25 D. Frame Relay E. HDLC
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| A6: | Answers B and E are correct. Cisco HDLC and PPP are supported encapsulation types for dialer profiles. Answers A, B, and D are incorrect; SDLC, X.25, and Frame Relay are all valid encapsulations on a Cisco router but not on a dialer interface. |
| Question 7 | What command do you use to make an interface participate in a dialer pool? A. dialer pool-member (at the interface) B. dialer pool (at the interface) C. dialer interface (at the pool) D. dialer priority (at the pool)
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| A7: | Answer A is correct. You configure the dialer pool-member command at the interface to tell the interface to participate in a pool. Answer B indicates which pool the dialer interface should use to make the call, whereas Answers C and D can't be configured as shown. Dialer priority sets the priority of an interface, and dialer interface enters configuration mode for the virtual interface. |
| Question 8 | While a conversation is waiting for an interface, the packets need to be buffered. What command sets up the holding area for the packets? |
| A8: | Answer D is correct. The dialer hold-queue command tells the router how much buffer space to set aside for waiting packets. Answers A, B, and C don't exist. |
| Question 9 | The maximum number of packets that can be queued is what? A. 25 B. 50 C. 64 D. 100 E. 128 F. 255
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| A9: | Answer D is correct. You may store up to 100 waiting packets if the router is so configured. Answers A, B, and C are options but not the maximum, and Answers E and F are too high to be valid. |
| Question 10 | The default value for the fast-idle timer is A. 10 seconds B. 20 seconds C. 30 seconds D. 60 seconds
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| A10: | Answer B is correct. The default is 20 seconds. Answers A, C, and D are not the default values for the fast-idle. |
