Cisco CCDP 642-874

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Cisco Designing Cisco Network Service Architectures Sample Questions:

1. With respect to address summarization, which of the following statements concerning IPv4 and IPv6 is true?

A) The potential size of the IPv6 address blocks suggests that address summarization favors IPv6 over IPv4.
B) WAN link addressing best supports summarization with a /126 subnet for IPv4 and a /31 for IPv6.
C) In order to summarize, the number of subnets in the IPv4 address block should be a power of 2 while the number of subnets in the IPv6 address block should be a power of 64.
D) Role based addressing using wildcard masks to match multiple subnets is suitable for IPv4, but unsuitable for IPv6.

2. A customer with a single Cisco Adaptive Security Appliance wants to separate multiple segments of the e-commerce network to allow for different security policies. What firewall technology accommodates these design requirements?

A) private VLANs
B) admission control
C) virtual private network
D) virtual contexts

3. Which network virtualization technology provides logical isolation of network traffic at Layer 3?

A) MEC
B) VSS
C) VRF-Lite
D) VLAN

4. Which statement about Fibre Channel communications is correct?

A) Flow control is only provided by QoS.
B) It must be implemented in an arbitrated loop.
C) Communication methods are similar to those of an Ethernet bus.
D) N_Port to N_Port connections use logical node connection points.

5. Which of the following two statements about Cisco NSF and SSO are the most relevant to the network designer? (Choose two.)

A) Cisco NSF-aware neighbor relationships are independent of any tuned IGP timers
B) The primary deployment scenario for Cisco NSF with SSO is in the Distribution and Core layers.
C) SSO and NSF each require the devices to either be graceful restart-capable or graceful restartaware.
D) You can reduce outages to 1 to 3 seconds by using SSO in a Layer 2 environment or Cisco NSF with SSO in a Layer 3 environment.
E) In a fully redundant topology adding redundant supervisors with NSF and SSO may cause longer convergence times than single supervisors with tuned IGP timers

Solutions:

Question # 1 Answer: D

Question # 2 Answer: D

Question # 3 Answer: C

Question # 4 Answer: D

Question # 5 Answer: D,E