CCDP 642-873 Real Exam Questions

The 642-873 Designing Cisco Network Service Architectures (ARCH) exam is the exam associated with the CCDP certification. This exam tests a candidate’s knowledge of the latest development in network design and technologies, including network infrastructure, intelligent network services and converged network solutions. Candidates can prepare for this exam by taking the ARCH Designing Cisco Network Service Architectures course.

1: Which of these Layer 2 access designs does not support VLAN extensions?
B.loop-free U
C.looped square
D.looped triangle
E.loop-free inverted U
Correct Answers: B

2: Which of these is a Layer 2 transport architecture that provides packet-based transmission optimized for data based on a dual (counter-rotating) ring topology?
Correct Answers: B

3: Which three of these are elements of the Cisco Unified Wireless Network architecture? (Choose three)
A.cell phones
B.remote access
C.mobility services management unification decentralization
Correct Answers: C D E

4: Why is STP required when VLANs span access layer switches? ensure a loop-free topology protect against user-side loops order to support business applications
D.because of the risk of lost connectivity without STP
E.for the most deterministic and highly available network topology
Correct Answers: B

5: Which of these terms refers to call issues that cause variations in timing or time of arrival?
C.packet loss
D.digitized sampling
E.signal-to-noise ratio ratio
Correct Answers: B

6: Which two of these are characteristics of an IDS sensor? (Choose two.)

A.passively listens to network traffic an active device in the traffic path
C.has a permissive interface that is used to monitor networks
D.traffic arrives on one IDS interface and exits on another
E.has a promiscuous interface that is used to monitor the network
Correct Answers: A E
7: In base e-Commerce module designs, where should firewall perimeters be placed?
A.core layer
B.Internet boundary
C.aggregation layer
D.aggregation and core layers
E.access and aggregation layers
Correct Answers: A

8: In which two locations in an enterprise network can an IPS sensor be placed? (Choose two.)

A.bridging VLANs on two switches
B.bridging two VLANs on one switch
C.between two Layer 2 devices with trunking
D.between two Layer 2 devices without trunking
E.between a Layer 2 device and a Layer 3 device with trunking
Correct Answers: C D
9: What is a virtual firewall?
A.another name for a firewall deployed in routed mode
B.another name for a firewall deployed in transparent mode
C.a separation of multiple firewall security contexts on a single firewall
D.a firewall that, when deployed in routed mode, can support up to 1000 VLANs per context
E.a firewall that has multiple contexts, all of which share the same policies (such as NAT and ACLs)
Correct Answers: C

10: In a VoWLAN deployment, what is the recommended separation between cells with the same channel?
A.19 dBm
B.7 dBm
C.10 dBm
D.6 dBm
E.5 dbm to 10 dBm
Correct Answers: A

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