Refer to the exhibit. After applying IPsec, the engineer observed that the DMVPN tunnel went down, and both spoke-to-spoke and hub were not establishing. Which two actions resolve the issue? (Choose two.)

A. Change the mode from mode tunnel to mode transport on R3.

B. Remove the crypto isakmp key cisco address 10.1.1.1 on R2 and R3.

C. Configure the crypto isakmp key cisco address 192.1.1.1 on R2 and R3.

D. Configure the crypto isakmp key cisco address 0.0.0.0 on R2 and R3.

E. Change the mode from mode transport to mode tunnel on R2.

Refer to the exhibit. The DHCP client is unable to receive an IP address from the DHCP server. RouterB is configured as follows:

Which command is required on the fastethernet 0/0 interface of RouterB to resolve this issue?

A. RouterB(config-if)#lp helper-address 172.31.1.1

B. RouterBiconfig-ififclp helper-address 255.255 255 255

C. RouterB(config-if)#lp helper-address 172.16.1.1

D. RouterB(config-if)#lp helper-address 172.16.1.2

Refer to the exhibit.

A network administrator configured an IPv6 access list to allow TCP return traffic only, but it is not working as expected. Which changes resolve this issue?

A. ipv6 access-list inbound permit tcp any any syn deny ipv6 any any log ! interface gi0/0 ipv6 traffic-filter inbound out

B. ipv6 access-list inbound permit tcp any any syn deny ipv6 any any log ! interface gi0/0 ipv6 traffic-filter inbound in

C. ipv6 access-list inbound permit tcp any any established deny ipv6 any any log ! interface gi0/0 ipv6 traffic-filter inbound in

D. ipv6 access-list inbound permit tcp any any established deny ipv6 any any log ! interface gi0/0 ipv6 traffic-filter inbound out

Examine the following output.

You are investigating why router RouterA does not include the 172.16.0.0 network in its BGP advertisements. The output contains portions of RouterA's configuration and IP routing table.

Which statement correctly identifies the reason why this subnet does not appear in the BGP advertisements?

A. BGP synchronization is enabled by default.

B. The no auto-summary command was used.

C. The 172.16.31.0/24 network was learned through BGP.

D. The 10.1.2.3 IP address was not defined as a BGP neighbor.

What is the purpose of an OSPF sham-link?

A. to allow inter-area routing when OSPF is used as the PE-CE connection protocol in an MPLS VPN network

B. to allow intra-area routing when OSPF is used as the PE-CE connection protocol in an MPLS VPN network

C. to correct OSPF backdoor routing when OSPF is used as the PE-CE connection protocol in an MPLS VPN network

D. to correct OSPF backdoor routing when OSPF is used as the PE-PE connection protocol in an MPLS VPN network

A network engineer receives a fault ticket about traffic drops from BANK SITE to BANK

Users can reach BANK SITE Y from router RA as a source. Routers RB and RD are acting as route reflectors.

Which configuration resolves the issue?

A. RC(config)#router bgp 65201 RC(config-router)#neighbor 10.10.10.4 route-reflector-client

B. RF(config)#router bgp 65201 RF(config-router)#neighbor 10.10.10.6 route-reflector-client

C. RC(config)#router bgp 65201 RC(config-router)#neighbor 10.10.10.2 route-reflector-client

D. RB(config)router bgp 65201 RB(config-router)#neighbor 10.10.10.3 route-reflector-client

Refer to the exhibit.

A network administrator configured NetFlow data, but the data is not visible at the NetFlow collector. Which configuration allows the router to send the records?

A. Configure the management interface in the global routing table to send the records.

B. Configure a different interface to send the records.

C. Configure the NetFlow collector to listen at export-protocol netflow-v5.

D. Rectify NetFlow collector reachability from the management interface.

Refer to the exhibit.

A customer reports that networks in the 10.0.1.0/24 space do not appear in the RIP database. What action resolves the issue?

A. Remove summarization of 10.0.0.078.

B. Permit 10.0.1.0/24 address in the ACL.

C. Remove ACL on R1 blocking 10.0.1.0/24 network.

D. Configure 10.0.1.0/24 network under RIP.

Refer to the exhibit The enterprise users fail to authenticate with the TACACS server when a direct fiber link fails between RB and RD The NOC team observes Users connected on AS65201 fail to authenticate with TACACS server 192 168 1 Users connected on AS65101 successfully authenticate with TACACS server 192 168 1 1 All AS65101 and AS65201 users are configured to authenticate with the TACACS server Which configuration resolves the issue?

A. Option A

B. Option B

C. Option C

D. Option D

How does BFD protocol work?

A. When BFD declares a failure on the primary IGP path, the router on the peer router chooses to use the secondary path.

B. BFD operates on the route processor module and impacts the route processor CPU utilization.

C. BFD control packets are sent via UDP port 3784 to the destination router.

D. BFD echo packets are sent to the same source IP and different destination IP with TCP port of 3786.