[Free] 2017(Nov) Dumps4cert Testinsides Cisco 300-320 Dumps with VCE and PDF Download 71-80

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Designing Cisco Network Service Architectures

Question No: 71

An Engineer is designing a Cisco Application Centric Infrastructure network … What is the expected number of links between Spine switches?

  1. 0

  2. 1

  3. 2

  4. 4

Answer: A

Question No: 72

What is the recommended subnet between two sites that have a point-to-point connection to conserve IP

addresses?

A. 255.255.255.0

B. 255.255.252.0

C. 255.255.255.252

D. 255.255.255.240

Answer: C

Question No: 73

Which VPN technology is tunnel-less?

  1. GET VPN

  2. DMVPN

  3. MPLS

  4. IPsec VPN

Answer: A

Question No: 74

Which of these is a recommended practice with trunks?

  1. use ISL encapsulation

  2. use 802.1q encapsulation

  3. set ISL to desirable and auto with encapsulation negotiate to support ISL protocol negotiation

  4. use VTP server mode to support dynamic propagation of VLAN information across the network

Answer: B

Question No: 75

What are three primary components in IS-IS fast convergence? (Choose three.)

  1. event propagation

  2. LSP flooding

  3. fast hellos

  4. matching MTUs

  5. updating RIB and FIB

  6. SPF calculation

Answer: A,E,F

Question No: 76

Which part of the Layer 3 header is used to identify a flow in NetFlow but it is not used for NBAR?

  1. source port

  2. ToS

  3. protocol type

  4. source IP

Answer: B

Question No: 77

Which statement about data center access layer design modes is correct?

  1. The access layer is the first oversubscription point in a data center design.

  2. The data center access layer provides the physical-level connections to the server resources and only operates at Layer 3.

  3. When using a Layer 2 looped design, VLANs are not extended into the aggregation layer.

  4. When using a Layer 3 design, stateful services requiring Layer 2 connectivity are provisioned from the aggregation layer.

Answer: A

Question No: 78

To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus?

  1. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 link

  2. to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 link

  3. to two core switches from redundant distribution switches connected with a Layer 2 link

  4. to two core switches from redundant distribution switches connected with a Layer 3 link

  5. to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO

Answer: D

Question No: 79

Which technology extends Layer 2 LANs over any network that supports IP?

  1. OTV

  2. VSS

  3. vPC

  4. VLAN

Answer: A

Question No: 80

Which protocol is used in an in-band network and why?

  1. UDP, because it is connectionless

  2. SSH, because the username and password are encrypted

  3. Telnet, because the username and password are sent in clear

  4. MSDP, because it uses TCP as its transport protocol

Answer: B

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