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Designing Cisco Network Service Architectures
| Exam Number | 642-874 Arch |
|---|---|
| Associated Certifications | CCDP |
| Duration | 75 minutes (50 - 60 questions) |
| Available Languages | English, Japanese |
| Register | Pearson VUE |
| Exam Policies | Read current policies and requirements |
| Exam Tutorial | Review type of exam questions |
The 642-874 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.
NO.1 Which two VPN solutions extend the routing capabilities of basic IPsec
VPNs? (Choose two.)
A. GRE
B. NVI
C. DES
D. VTI
E. AES
Answer:
A,D
NO.2 A well-designed IP addressing scheme supporting role-based
functions within the subnet will
result in the most efficient use of which
technology?
A. Layer 3 switching in the core
B. Network Admission Control
(NAC)
C. IP telephony (voice and video) services
D. ACLs
Answer:
D
NO.3 Which four options are network virtualization technologies that
are employed in the data
center?
(Choose four.)
A. VLAN
B.
VSAN
C. VRF
D. VRP
E. VLC
F. VPC
Answer: A,B,C,F
NO.4 The
requirement for high availability within the Data Center network may cause the
designer
to consider which one of the following solutions?
A. Construct a
hierarchical network design using EtherChannel between a server and two VDCs
from
the same physical switch
B. Utilize Cisco NSF with SSO to provide
intrachassis SSO at Layers 2 to 4
C. Define the Data Center as an OSPF NSSA
area, advertising a default route into the DC and
summarizing the routes out
of the NSSA to the Campus Core
D. Implement network services for the Data
Center as a separate services layer using an active/active
model that is more
predictable in failure conditions
Answer: B
NO.5 Which STP enhancement
can be configured on Layer 2 ports between distribution layer
switches?
A.
LoopGuard
B. PortFast
C. UplinkFast
D. RootGuard
Answer:
A
NO.6 Which VRF component ensures control plane separation between the
different Layer 3 VPNs?
A. FIB
B. routing protocol instance
C.
RIB
D. a subset of the router interfaces
Answer: B
NO.7 Which of
these is a recommended practice with trunks?
A. use ISL encapsulation
B.
use 802.1q encapsulation
C. set ISL to desirable and auto with encapsulation
negotiate to support ILS protocol negotiation
D. use VTP server mode to
support dynamic propagation of VLAN information across the network
Answer:
B
NO.8 Which three Layer 2 access designs have all of their uplinks in an
active state? (Choose three.)
A. Flex Links
B. loop-free U
C. looped
square
D. looped triangle
E. loop-free inverted U
Answer: B,C,E