Actualtests 642-873

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642-873 : Designing Cisco Network Service Architectures Exam Last Updated Monday, June 23, 2008 with 333 Questions

Designing Cisco Network Service Architectures Exam
Exam Number: 642-873 Exam
Associated Certifications: Designing Cisco Network Service Architectures Exam
Duration: 65 Q&As

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QUESTION 1
DRAG DROP
You work as a network technician at Certkiller .com. Your boss, Mrs. Certkiller, in Cisco
client security software applications. Match the applications with the descriptions.
Answer:
QUESTION 2
Which two statements about Layer 3 access designs are correct? (Choose two.)
A. Broadcast and fault domains are increased
B. Limits on clustering and NIC teaming are removed
C. Convergence time is fractionally slower than STP
D. IP Address space is difficult to manage
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E. Fast uplink convergence is supported for failover and fallback
Answer: D,E
QUESTION 3
Which two of these key fields are used to identify a flow in a traditional NetFlow
implementation? (Choose two.)
A. Destination IP Address
B. Output Interface
C. Source MAC address
D. Next-hop IP Address
E. Source Port
F. Next-hop MAC Address
Answer: A,E
QUESTION 4
Which of these is true of IP addressing with regard to VPN termination?
A. Termination devices need routable addresses inside the VPN
B. Designs should not include overlapping address spaces between sites, since NAT is
not supported
C. IGP routing protocols will update their routing tables over an IPSec VPN
D. Addressing designs need to allow for summarization
Answer: D
QUESTION 5
When is a first-hop redundancy protocol needed in the distribution layer?
A. When preempt tuning of the default gateway is needed
B. When the design implements Layer 2 between the access switch and the distribution
switch
C. When HSRP is not supported by the design
D. When a robust method of backing up the default gateway is needed
E. When multiple vendor devices need to be supported
F. When the design implements Layer 3 between the access switch and the distribution
switch
Answer: F
QUESTION 6
Which of these practices should you follow when designing a Layer 3 routing protocol?
A. Never peer on transit links
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B. Build squares for deterministic convergence
C. Build inverted U designs for deterministic convergence
D. Summarize routes at the distribution to the core to limit EIGRP queries or OSPF LSA
propagation
Answer: D
QUESTION 7
Which two statements correctly identify considerations to take into account when
deciding on Campus QoS Design elements? (Choose two.)
A. Call signaling must have guaranteed bandwidth service
B. Strict-priority queuing should be limited to 50% of the capacity of the link
C. At least 23 percent of the link bandwidth should be reserved for default best-effort
class
D. Voice needs to be assigned to the hardware priority queue
E. Voice needs to be assigned to the software priority queue
Answer: A,D
QUESTION 8
Which statement about IDS/IPS design is correct?
A. An IPS should be deployed if the security policy does not support the denial of traffic
B. Bandwidth considerations must be taken into account since IDS is deployed inline to
traffic flow
C. An IDS analyze a copy of the monitored traffic and not the actual forwarded packet
D. Traffic impact considerations are increased when deploying an IDS over an IPS sensor
Answer: C
QUESTION 9
In which two locations in an enterprise network can an IPS sensor be placed? (Choose
two.)
A. Between two layer devices without trunking
B. Between two Layer 2 devices with trunking
C. Between a Layer 2 device and a Layer 3 device with trunking
D. Bridging two VLANs on one switch
E. Bridging VLANs on two switches
Answer: A,B
QUESTION 10
DRAG DROP
You work as a network technician at Certkiller .com. Your boss, Mrs. Certkiller, in Cisco
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NAC appliance components. Match the applications with the appropriate descriptions.
Answer: