Which statement about Network Services Orchestrator (NSO) is true?

• A.It is used only in service provider environments
• B.It can be used only with XML coding
• C.It uses YANG modeling language to automate devices
• D.It must use SDN as an overlay for addressing

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Refer to the exihibit.

Refer to the exhibit. ISP ASN 65100 provides Internet services to router CE-1 and receives customer prefix 198.18.18.0/24 via eBGP. An administrator for the ISP is now provisioning RTBH services to provide on-demand data-plane security for the customer's IP space. Which route-map configuration must the administrator apply to router RTBH-1 to complete the implementation of RTBH services to CE-1?

• A.route-map RTBH-CUSTOMER-IN permit 10
  description AS65001
  match ip address prefixlist AS65001-PREFIXES
  match community 99
  set local-preference 200
  set community no-advertise additive
  set ip next-hop local-address
  route-map RTBH-CUSTOMER-IN deny 65535
  description DEFAULT DENY
• B.route-map RTBH-CUSTOMER-IN permit 10
  description AS65001
  match ip address prefix-list AS65001-PREFIXES
  match community 99
  set local-preference 200
  set community no-export additive
  set ip next-hop 192.168.255.255
  route-map RTBH-CUSTOMER-IN deny 65535
  description DEFAULT DENY
• C.route-map RTBH-CUSTOMER-IN permit 10
  description AS65001
  match ip address prefix-list AS65001-PREFIXES
  match community 99
  set local-preference 200
  set community local-as additive
  set ip next-hop 192.168.255.255
  route-map RTBH-CUSTOMER-IN deny 65535
  description DEFAULT DENY
• D.route-map RTBH-CUSTOMER-IN permit 10
  description AS65001
  match ip address prefix-list AS65001-PREFIXES
  match community 99
  set local-preference 200
  set community no-advertise additive
  set ip next-hop 192.168.255.255
  route-map RTBH-CUSTOMER-IN deny 65535
  description DEFAULT DENY

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Refer to the exhibit. A network operator is attempting to configure an IS-IS adjacency between two routers, but the adjacency cannot be established. To troubleshoot the problem, the operator collects this debugging output. Which interface are misconfigured on these routers?

• A.Option A
• B.Option B
• C.Option C
• D.Option D

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Refer to the exhibit.

An engineer configured multicast routing on client's network. What is the effect of this multicast implementation?

• A.R2 floods information about R1 throughout the multicast domain.
• B.R2 is elected as the RP for this domain.
• C.R2 is unable to share information because the ip pirn autorp listener command is missing.
• D.R1 floods information about R2 throughout the multicast domain.

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Refer to the exhibit:

It the NetFlow configuration is updated to version 9, which additional piece of information can be reported"?

• A.flow sequence numbers
• B.BGP AS information
• C.IPv6 flow information
• D.IPv4 flow information

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