642-821 exam latest dumps
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Exam Number/Code: TestInside 642-821
Exam Name: Building Cisco Remote Access Networks (BCRAN)
Questions and Answers: 244 Q&As
1. A network administrator would like to use an existing ISDN line as a backup for a Frame Relay line connected on interface serial0.
Which statement is correct based on the following configuration of the Cisco Router?
interface serial0
ip address 192.168.10.1 255.255.255.0
backup interface bri0
backup delay 5 10
interface bri0
ip address 192.168.11.2 255.255.255.0
dialer idle-timeout 900
dialer-group 1
A. The ISDN BRI line will go to “standby” mode 900 seconds after the serial interface reactivates.
B. The ISDN BRI line will go to “standby” mode 10 seconds after the serial interface reactivates.
C. The ISDN BRI line will deactivate when the primary line reaches 10% utilization.
D. The ISDN BRI line will go to standby mode after 900 seconds, but will reactivate if the primary line reaches 10% utilization
Answer: B
2. Which statement is true about payload compression?
A. Payload compression can be used in conjunction with link compression.
B. The payload compression algorithm uses Predictor or STAC to compress traffic into another data link layer such as PPP.
C. Payload compression is appropriate for virtual network services such as Frame Relay and ATM.
D. With payload compression the complete packet is compressed and the switching information in the header is not available.
Answer: C
3. By default, what is the maximum percentage of bandwidth CBWFQ allocates for all classes of traffic?
A. 25
B. 50
C. 75
D. 90
Answer: C
4. What will happen to the priority queue if the queue is full and more priority queue traffic is matched?
A. Priority traffic will be restrained to its allocated queue size, and packets will be dropped.
B. WRED will start dropping packets from other queues.
C. Priority queue packets will be placed in the class-default queue.
D. WRED will start dropping packets from the priority queue.
Answer: A
5. Which two features are enhancements that IKE provides for IPsec? (Choose two.)
A. supports multicast traffic
B. allows the changing of encryption keys during an IPsec session
C. allows the SA to have a specified lifetime
D. supports multiple protocols
E. allows dynamic authentication of peers
F. eliminates the need to manually specify all the IPsec security parameters in the crypto maps at both peers.
Answer: BC
Related exam:
642-564 Security Solutions for Systems Engineers(SSSE)
642-567 Advanced Security for Field Engineers
642-524 Securing Networks with ASA Foundation
646-411 Network Management Network Management AM & SE Exam
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