Refer to the exhibit:


An engineer is preparing to implement data plane security configuration.
Which statement about this configuration is true?

A.

Router 2 must configure a route to null 0 for network 192 168.1 0/24 for the RTBH
implementation to be complete.

B.

Router 1 is the trigger router in a RTBH implementation.

C.

Router 1 must be configured with uRPF for the RTBH implementation to be effective.

D.

Router 2 is the router receiving the DDoS attack

Refer to the exhibit.

Refer to the exhibit:

Which effect of this configuration is true?

A.

R1 can support a peer that is configured for LDP SSO/NSF as the peer recovers from
an outage

B.

R1 can failover only to a peer that is configured for LDP SSO/NSF

C.

R1 can failover to any peer

D.

R1 can support a graceful restart operation on the peer, even if graceful restart is
disabled on the peer

Why do packet loops occur during the configuration of BlDlR-PIM?

A.

The network does not support BIDIR-PIM

B.

The network is partially upgraded to support BIDlR-PIM

C.

No interface for carrying traffic for multicast groups has been configured

D.

The router has not been configured to advertise itself

What causes multicast traffic to permanently stay on the shared tree and not switch to the
source tree?

A.

The SPT threshold is set to infinity.

B.

The RP IP address is configured incorrectly.

C.

The RP announcements are being filtered.

D.

SSM range is being used.

What is a role of NSO?

A.

It automates the deployment of access points with its built-in wireless LAN controller.

B.

It manages WAN infrastructure using a virtual switch.

C.

It provides full lifecycle management of a device.

D.

It resides on a hypervisor that runs the Windows OS.

Which statement about TLS is accurate when using RESTCONF to write configurations on
network devices'?

A.

It requires certificates for authentication.

B.

It is provided using NGINX acting as a proxy web server

C.

It is used for HTTP and HTTPS requests.

D.

It is not supported on Cisco devices

Refer to the exhibit.

An engineer is updating this network to meet these conditions:
• Area 10 will receive inter-area routes and support mutual redistribution of external routes
with the extranet.
• The ::/0 route is prohibited in Area 10.
• Area 11 will receive only the ::/0 route from the ABR.
• External route redistribution is not supported in Area 11.
• The ABR in Area 11 will advertise no interarea routes.
Which two configurations must be performed to meet the requirements? (Choose two.)

A.

Configure area 11 as nssa no-summary on R7 and as nssa on XR31.

B.

Configure area 10 as stub on R9 and XR32.

C.

Configure area 11 as stub no-summary on R7 and as stub on XR31.

D.

Configure area 11 as nssa default-information-originate on R7 and as nssa on XR31.

E.

Configure area 10 as nssa on R9 and XR

Refer to the exhibit:

Which information is provided for traceback analysis when this configuration is applied?

A.

BGP version

B.

packet size distribution

C.

source interface

D.

IP sub flow cache

Refer to the exhibit:

Which condition must be met by the OSPF peer of router R1 before the two devices can
establish communication?

A.

The interface on the OSPF peer must use the same key ID and key value as the
configured interface

B.

The interface on the OSPF peer may have a different key ID, but it must use the same
key value as the configured interface

C.

The OSPF peer must be configured as an OSPF stub router

D.

The OSPF peer must use clear-text authentication