CCNP ENARSI PART 12

Refer to the exhibit. In Cisco DNA Center, a network engineer identifies that BGP-learned networks are repeatedly withdrawn from peers. Which configuration must the engineer apply to resolve the issue?. A. router bgp 100 bgp dampening. B. router bgp 100 bgp graceful-restart. C. route-map Dampening permit 10 set dampening 15 750 2000 60 router bgp 100 neighbor 10.140.212.5 route-map Dampening out. D. route-map Dampening permit 10 set dampening 15 750 2000 60 router bgp 100 neighbor 10.140.212.5 route-map Dampening in.

Refer to the exhibit. Which configuration allows the operation level 1 team of 10 engineers to log in at least three at a time to router R3 using network credentials over HTTP?. A. R3(config)#ip http authentication enable R3(config)#no access-list 20 permit 172.16.10.48 0.0.0.15 R3(config)#access-list 20 permit 172.16.10.48 0.0.0.7. B. R3(config)#ip http max-connections 3 R3(config)#ip http accounting commands 3 default. C. R3(config)#ip http authentication aaa R3(config)#ip http max-connections 3. D. R3(config)#ip http authentication aaa R3(config)#no access-list 20 permit 172.16.10.48 0.0.0.15 R3(config)#access-list 20 permit 172.16.10.48 0.0.0.7.

Which router takes an active role between two LDP neighbors when initiating LDP session negotiation and LDP TCP connection establishment?. A. with one interface in the MPLS backbone. B. with the higher IP address. C. with the lowest IP address. D. with the larger number of LDP TCP neighbors.

Refer to the exhibit. An enterprise operations team must monitor all application server traffic in the data center. The team finds that traffic coming from the hub site from R3 and R6 is monitored successfully, but traffic destined to the application server is not monitored. Which action resolves the issue?. A. R4(config)#int gigabitEthernet 1/0 R4(config-if)#ip flow ingress. B. R3(config)#int gigabitEthernet 0/0 R3(config-if)#ip flow egress. C. R4(config)#int gigabitEthernet 2/0 R4(config-if)#ip flow egress. D. R1(config)#int gigabitEthernet 0/0 R1(config-if)#ip flow egress.

Which router attaches the VPN label to incoming packets from CE routing?. A. P router. B. PE router. C. CE router. D. core router.

Refer to the exhibit. Which action adds the 10.1.7.6/32 route to the BGP table?. A. Add a static route for the 10.1.7.6/32 network. B. Add summary-address 10.1.7.6 255.255.255.0. C. Add the network 10.1.7.6 mask 255.255.255.255 backdoor command. D. Add the network 10.1.7.6 mask 255.255.255.255 command.

A network engineer must configure an EIGRP stub router at a site that advertises only connected and summary routes. Which configuration performs this task?. A. router eigrp 100 eigrp stub redistribute. B. router eigrp 100 eigrp stub. C. router eigrp 100 eigrp stub connected. D. router eigrp 100 eigrp stub summary.

Refer to the exhibit. A network engineer configured routers R1 and R2 with MP-BGP. The engineer noticed that the routers cannot exchange any IPv6 routes; however, the IPv4 neighbor relationship is working fine. Which configuration must the engineer apply to router R2 to exchange IPv6 routes?. A. ipv6 unicast-routing ipv6 cef ! interface Loopback100 ipv6 address 2001:DB8:128::2/128 ! interface GigabitEthernet1/0 ipv6 address 2001:DB8:1::2/64 ! router bgp 65002 no bgp default ipv4-unicast neighbor 2001:DB8:1::1 remote-as 65001 ! address-family ipv4 network 2001:DB8:128::2/128. B. ipv6 unicast-routing ipv6 cef ! interface Loopback100 ipv6 address 2001:DB8:128::2/128 ! interface GigabitEthernet1/0 ipv6 address 2001:DB8:1::2/64 ! router bgp 65002 no bgp default ipv4-unicast neighbor 2001:DB8:1::1 remote-as 65001 ! address-family ipv6 network 2001:DB8:128::2/128. C. ipv6 unicast-routing ipv6 cef ! interface Loopback100 ipv6 address 2001:DB8:128::2/128 ! interface GigabitEthernet1/0 ipv6 address 2001:DB8:1::2/64 description AS65001 ID B468^AD03G907::1 ! router bgp 65002 no bgp default ipv4-unicast neighbor 2001:DB8:1::1 remote-as 65001 ! address-family ipv6 network 2001:DB8:128::2/128 neighbor 2001:DB8:1::1 activate. D. ipv6 cef ! interface Loopback100 ipv6 address 2001:DB8:128::2/128 ! interface GigabitEthernet1/0 ipv6 address 2001:DB8:1::2/64 ! router bgp 65002 no bgp default ipv4-unicast neighbor 2001:DB8:1::1 remote-as 65001 ! address-family ipv6 network 2001:DB8:128::2/128 neighbor 2001:DB8:1::1 activate.

Refer to the exhibit. Which configuration command establishes an EIGRP neighbor adjacency between the hub and spoke?. A. network 10.1.2.192 command on spoke router. B. network 10.1.2.192 command on hub router. C. eigrp-peer 10.1.2.192 command on hub router. D. connected 10.1.2.192 command on spoke router.

What is the failure detection time with BFD?. A. 3 seconds. B. less than a second. C. 2 seconds. D. 1 second.

Refer to the exhibit. A network administrator is trying to switch to the privileged EXEC level on R1 but failed. Which configuration resolves the issue?. A. enable password Cisco@123. B. tacacs-server enable-password Cisco@123. C. tacacs server enable-password Cisco@123. D. enable-password Cisco@123.

Refer to the exhibit. The R1 OSPF neighbor is not receiving type 5 external LSAs for 132.108.2.0/24 and 132.108.3.0/24 networks. Which configuration command resolves the issue?. A. access-list 1 permit 132.108.0.0 0.0.3.255. B. access-list 1 permit 132.108.0.0 0.0.1.255. C. access-list 1 permit 132.108.4.0 0.0.3.255. D. access-list 1 permit 132.108.2.0 0.0.0.255.

Which two technologies optimize MPLS infrastructure using bandwidth protection services when experiencing slow response? (Choose two.). A. IP LFA. B. MPLS OAM. C. Fast-Reroute. D. VPLS. E. SD-MPLS.

What is the function of penultimate hop popping?. A. The last P router in the path pops off the transport label before traffic is forwarded toward the PE. B. The VPN label is popped off at the egress LSR, and unlabeled traffic is forwarded toward the CE. C. The transport label is popped off at the egress LSR, and unlabeled traffic is forwarded toward the CE. D. The second to last P router in the path pops off the VPN label before traffic is forwarded to the last P router.

Refer to the exhibit. Spoke routers do not learn about each other's routes in the DMVPN Phase2 network. Which action resolves the issue?. A. Disable EIGRP split horizon on the Tunnel0 interface of the hub router. B. Rectify incorrect wildcard mask configured on the hub router network command. C. Configure a static route in each spoke to establish a spoke-to-spoke tunnel. D. Remove default route from spoke routers to establish a spoke-to-spoke tunnel.

Refer to the exhibit. The security department recently installed a monitoring device between routers R3 and R5, which caused a loss of network connectivity for users connected to R5. Troubleshooting revealed that the monitoring device cannot forward multicast packets. The team already updated R5 with the correct configuration. Which configuration must be implemented on R3 to resolve the problem by ensuring R3 as the DR for the R3-R5 segment?. A. interface FastEthernet0/0 ip address 10.99.53.1 255.255.255.252 ip access-group 122 in ip ospf network non-broadcast ip ospf priority 100 ! router ospf 10 router-id 10.10.3.255 network 10.99.53.0 0.0.0.3 area 0 neighbor 10.99.53.2 ! access-list 122 permit 89 host 10.99.53.2 host 10.99.53.1 access-list 122 deny 89 any any access-list 122 permit tcp any any access-list 122 permit udp any any access-list 122 permit icmp any any. B. interface FastEthernet0/0 ip address 10.99.53.1 255.255.255.252 ip access-group 122 in ip ospf network non-broadcast ip ospf priority 0 ! router ospf 10 router-id 10.10.3.255 neighbor 10.99.53.2 ! access-list 122 permit 88 host 10.99.53.2 host 10.99.53.1 access-list 122 deny 88 any any access-list 122 permit tcp any any access-list 122 permit udp any any access-list 122 permit icmp any any. C. interface FastEthernet0/0 ip address 10.99.53.1 255.255.255.252 ip access-group 122 in ip ospf network non-broadcast ip ospf priority 0 ! router ospf 10 router-id 10.10.3.255 network 10.99.53.0 0.0.0.3 area 0 neighbor 10.99.53.2 ! access-list 122 permit 89 host 10.99.53.2 host 10.99.53.1 access-list 122 deny 89 any any access-list 122 permit tcp any any access-list 122 permit udp any any access-list 122 permit icmp any any. D. interface FastEthernet0/0 ip address 10.99.53.1 255.255.255.252 ip access-group 122 in ip ospf network point-to-point ip ospf priority 0 ! router ospf 10 router-id 10.10.3.255 network 10.99.53.0 0.0.0.3 area 0 neighbor 10.99.53.2 ! access-list 122 permit 88 host 10.99.53.2 host 10.99.53.1 access-list 122 deny 88 any any access-list 122 permit tcp any any access-list 122 permit udp any any access-list 122 permit icmp any any.

What is a characteristic of an MPLS LSP tunnel?. A. bidirectional tunnel. B. secured bidirectional tunnel. C. hop-by-hop tunnel. D. unidirectional tunnel.

Which two reasons would cause an LSP to break between two PE routers? (Choose two.). A. lost LDP adjacency. B. matching labels. C. prefix mismatch. D. IGP hello adjacency. E. MPLS not enabled.

Which protocol must be secured with MD-5 authentication across the MPLS cloud to prevent hackers from introducing bogus routers?. A. RSVP. B. LSP. C. LDP. D. MP-BGP.

Refer to the exhibit. Which configuration resolves the issue?. A. int GigabitEthernet 2 ip ospf key 1 cisco ip ospf authentication. B. int GigabitEthernet 2 ip ospf message-digest-key 1 md5 cisco ip ospf authentication message-digest. C. key chain ospf key 1 key-string 7 02050D480809 cryptographic-algorithm hmac-sha-1 interface GigabitEthernet 2 ip ospf authentication key-chain ospf. D. router ospf 1 area 1 authentication message-digest int GigabitEthernet 2 ip ospf message-digest-key 1 md5 cisco.

Refer to the exhibit. Which configuration resolves the route filtering issue on R1 to redistribute all the routes except 172.16.2.48/28?. A. R1(config)#route-map CCNP deny 10 R1(config-route-map)#no match route-type local R1(config-route-map)#match route-type external type-1 R1(config)#route-map CCNP permit 20. B. R1(config)#route-map CCNP deny 10 R1(config-route-map)#no match route-type local R1(config-route-map)#match route-type external type-2 R1(config)#route-map CCNP permit 20. C. R1(config)#route-map CCNP deny 10 R1(config-route-map)#no match route-type local R1(config-route-map)#match route-type external R1(config)#route-map CCNP permit 20. D. R1(config)#route-map CCNP deny 10 R1(config-route-map)#no match route-type local R1(config-route-map)#match route-type level-2 R1(config)#route-map CCNP permit 20.

Refer to the exhibit. An engineer troubleshoots a connectivity problem that is impacting the communication from the users at segment 172.16.3.16 /28 to the server farm at 192.168.5.16/28. Which configuration resolves the issue on router R1?. A. router rip redistribute ospf 1 metric 16. B. router ospf 1 redistribute rip metric 14. C. router rip redistribute ospf 1 metric 14. D. router ospf 1 redistribute rip metric 16.

Refer to the exhibit. Router R1 (head office) is not always preferred for all users to access hosting services R1 should be primary, and the DR site should only be used if router R1 or its uplink fails. Which configuration resolves the issue?. A. R1 router ospf 100 default-information originate redistribute static subnets metric-type-1 R2 router ospf 100 default-information originate redistribute static subnets metric-type-2. B. R1 router ospf 100 default auto-cost reference-bandwidth 10000 R2 router ospf 100 auto-cost reference-bandwidth 1000. C. R1 router ospf 100 default-information originate summary-address 192.168.0.0 255.255.0.0 tag 100 R2 router ospf 100 default-information originate summary-address 192.168.0.0 255.255.0.0 tag 200. D. R1 router ospf 100 default-metric 10000 R2 router ospf 100 default-metric 1000.

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 a different interface to send the records. B. Configure the management interface in the global routing table 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. An engineer is troubleshooting a routing loop on the network to reach the 172.16 3.0/16 from the OSPF domain. Which configuration on router R1 resolves the issue?. A. router ospf 1 redistribute eigrp 100 subnets route-map LOOPFILT ! route-map LOOPFILT deny 10 match ip address 15 ! route-map LOOPFILT permit 20 ! access-list 15 permit 172.16.0.0 0.0.255.255. B. router eigrp 100 redistribute ospf 1 metric 1 1 1 1 1 route-map LOOPFILT ! route-map LOOPFILT deny 10 match ip address 15 ! access-list 15 permit 172.16.0.0 0.0.255.255. C. router ospf 1 redistribute eigrp 100 route-map LOOPFILT ! route-map LOOPFILT deny 10 match ip address 15 ! access-list 15 permit 172.16.0.0 0.0.255.255. D. router eigrp 100 redistribute ospf 1 metric 1 1 1 1 1 route-map LOOPFILT ! route-map LOOPFILT deny 10 match ip address 15 ! route-map LOOPFILT permit 20 ! access-list 15 permit 172.16.0.0 0.0.255.255.

Which IPv6 security feature blocks all traffic from an IPv6 host when initially connecting to a switch port except for traffic to gain an IPv6 address and discover IPv6 neighbors?. A. IPv6 Source Guard. B. IPv6 DHCP Guard. C. IPv6 Destination Guard. D. IPv6 RA Guard.

Refer to the exhibit. An IPv6 ACL is applied to restrict PC1 from communicating with PC2 and allow all other traffic. Which configuration resolves the issue?. A. R3(config-ipv6-acl)#no sequence 20 R3(config-ipv6-acl)#deny ipv6 host 2001:DB8:0:10::3B host 2001:DB8:A:A::19 sequence 10. B. R3(ccnfig-ipv6-acl)#no sequence 30 R3(config-ipv6-acl)#deny ipv6 host 2001:DB8:0:10::3B host 2001:DB8:A:A::19 sequence 10. C. R3(config-lpv6-acl)#no sequence 20 R3(config-ipv6-acl)#deny ipv6 host 2001:DB8:0:10::3B any sequence 10. D. R3(config-ipv6-acl)#no sequence 30 R3(config-ipv6-acl)#deny ipv6 host 2001:DB8:0:10::3B any sequence 10.

Which control plane process allows the MPLS forwarding state to recover when a secondary RP takes over from a failed primary RP?. A. LDP uses SSO to recover from disruption in control plane service. B. MP-BGP uses control plane services for label prefix bindings in the MPLS forwarding table. C. FEC uses a control plane service to distribute information between primary and secondary processors. D. LSP uses NSF to recover from disruption in control plane service.

Refer to the exhibit. An engineer recently modified the configuration for area 3 to accept only type 1, 2, and 3 LSAs. Immediately after the changes, users connected to router R6 began to report connectivity issues. Which configuration restores connectivity to R6 and meets the requirement?. A. R19# router ospf 1 area 3 stub no-summary network 10.2.18.0 0.0.0.3 area 3 network 10.5.1.0 0.0.0.3 area 0 R6# router ospf 1 network 10.2.18.0 0.0.0.3 area 3 network 10.6.6.255 0.0.0.0 area 3. B. R19# router ospf 1 area 3 stub network 10.2.18.0 0.0.0.3 area 3 network 10.5.1.0 0.0.0.3 area 0 R6# router ospf 1 network 10.2.18.0 0.0.0.3 area 3 network 10.6.6.255 0.0.0.0 area 3. C. R19# router ospf 1 area 3 nssa network 10.2.18.0 0.0.0.3 area 3 network 10.5.1.0 0.0.0.3 area 0 R6# router ospf 1 area 3 nssa network 10.2.18.0 0.0.0.3 area 3 network 10.6.6.255 0.0.0.0 area 3. D. R19# router ospf 1 area 3 stub network 10.2.18.0 0.0.0.3 area 3 network 10.5.1.0 0.0.0.3 area 0 R6# router ospf 1 router-id 10.6.6.255 area 3 stub network 10.2.18.0 0.0.0.3 area 3 network 10.6.6.255 0.0.0.0 area 3.

Refer to the exhibit. Jitter on the link between R101 and R201 was tested for voice traffic over port 16384 without the control communication on port 1967. Which command enables R201 to receive RTT for the configured IP SLA?. A. ip sla responder tcp-connect port 1967. B. ip sla responder udp-echo ipaddress 2.2.2.2 port 16384. C. ip sla responder udp-echo ipaddress 1.1.1.1 port 16384. D. ip sla responder auto-register 1.1.1.1.

Which tag is used by the PE router to forward the packet to the correct customer?. A. RD. B. extended-community. C. RT. D. VNI.

Refer to the exhibit. The engineer configured route redistribution in the network but soon received reports that R2 cannot access 192.168.7.0/24 and 192.168.15.0/24 subnets. Which configuration resolves the issue?. A. R1 (config)#ip access-list standard 10 R1(config-std-nacl)#no 10 permit R1(config-std-nacl)#no 11 permit R1(config-std-nacl)#10 permit 192.168.0.0 0.0.3.255 R1(config-std-nacl)#11 permit 192.168.8.0 0.0.3.255. B. R1 (config)#ip access-list standard 10 R1(config-std-nacl)#no 10 permit R1(config-std-nacl)#no 11 permit R1(config-std-nacl)#10 permit 192.168.4.0 0.0.3.255 R1(config-std-nacl)#11 permit 192.168.12.0 0.0.3.255. C. R1 (config)#ip access-list standard 10 R1(config-std-nacl)#no 10 permit R1(config-std-nacl)#no 11 permit R1(config-std-nacl)#10 permit 192.168.0.0 0.0.3.255 R1(config-std-nacl)#11 permit 192.168.8.0 0.0.7.255. D. R1 (config)#ip access-list standard 10 R1(config-std-nacl)#no 10 permit R1(config-std-nacl)#no 11 permit R1(config-std-nacl)#10 permit 192.168.0.0 0.0.7.255 R1(config-std-nacl)#11 permit 192.168.8.0 0.0.3.255.

Which routing protocol is used by the PE router to advertise routes to a CE router without redistribution or static after removing the RD tag from the P router?. A. OSPF. B. BGP IPv4. C. IS-IS. D. MP-BGP.

Refer to the exhibit. The default route is not advertised to the neighboring router. Which action resolves the issue?. A. Configure the default-information originate command under OSPF. B. Configure OSPF on the Dialer0 interface. C. Configure the redistribute static metric 200 subnets command under OSPF. D. Configure the network 0.0.0.0 255.255.255.255 area 0 command under OSPF.

Refer to the exhibit. An engineer must ensure that R3 sees only type 1 and 2 LSAs in area 1. Which command must the engineer apply on R2?. A. area 1 nssa no-summary. B. area 1 stub. C. area 1 stub nssa. D. area 1 stub no-summary.

Users report web connectivity problems on the server (10.1.1.10). Which IP SLA configuration captures the failure details through the network to resolve the issue?. A. ip sla 5 icmp-echo 10.1.1.10 frequency 1 timeout 3 ip sla schedule 5 life forever start-time now. B. ip sla 5 http get url http://10.1.1.10 frequency 60 timeout 3000 ! ip sla schedule 5 life forever start-time now. C. ip sla 5 icmp-echo 10.1.1.10 frequency 60 timeout 3000 ip sla schedule 5 life forever start-time now. D. ip sla 5 http get url http://10.1.1.10 frequency 1 timeout 3 ! ip sla schedule 5 life forever start-time now.

DRAG DROP - Drag and drop the terminology from the left onto the corresponding definitions on the right. Multiprotocol Label Switching (MPLS). Label Distribution Protocol (LDP). Forwarding Equivalence Class (FEC). Provider Edge (PE). Label Switched Path (LSP).

Refer to the exhibit. An engineer configures router A to mark all inside to outside traffic from network 192.168.1.0. except from host 192.168.1.1. with critical IP precedence. The policy did not work as expected. Which configuration resolves the issue?. A. RouterA(config)#access-list 1 deny host 192.168.1.1 RouterA(config)#access-list 1 permit any any RouterA(config)#route-map CCNP permit 10 RouterA(config)#match ip address 1 RouterA(config)#set ip precedence critical RouterA(config)#route-map CCNP permit 20 RouterA(config)#set ip precedence critical RouterA(config)#interface g0/0/0 RouterA(config-if)#ip address 192.168.1.4 255.255.255.0 RouterA(config-if)#ip policy route route-map CCNP. B. RouterA(config)#access-list 1 deny host 192.168.1.1 RouterA(config)#route-map CCNP permit 10 RouterA(config)#match ip address 1 RouterA(config)#set ip precedence critical RouterA(config)#route-map CCNP permit 20 RouterA(config)#interface g0/0/0 RouterA(config-if)#ip address 192.168.1.4 255.255.255.0 RouterA(config-if)#ip policy route route-map CCNP. C. RouterA(config)#access-list 1 deny host 192.168.1.1 RouterA(config)#access-list 1 permit any any RouterA(config)#route-map CCNP deny 10 RouterA(config)#match ip address 1 RouterA(config)#set ip precedence critical RouterA(config)#route-map CCNP permit 20 RouterA(config-if)#interface g0/0/0 RouterA(config-if)#ip address 192.168.1.4 255.255.255.0 RouterA(config-if)#ip policy route route-map CCNP. D. RouterA(config)#access-list 1 deny host 192.168.1.1 RouterA(config)#access-list 1 permit any any RouterA(config)#route-map CCNP permit 10 RouterA(config)#match ip address 1 RouterA(config)#set ip precedence critical RouterA(config)#interface g0/0/0 RouterA(config-if)#ip address 192.168.1.4 255.255.255.0 RouterA(config-if)#ip policy route route-map CCNP.

Which two label distribution methods are used by routers in MPLS? (Choose two.). A. LDP discovery hello message. B. LDP session protection message. C. downstream unsolicited. D. downstream on demand. E. targeted hello message.

Refer to the exhibit. HostA and HostB cannot receive IP addresses from the DHCP server. The switches are configured with the DHCP snooping. Which configuration on SW3 resolves the issue?. A. ip dhcp relay information option-insert. B. no ip dhcp snooping information option. C. ip dhcp server use subscriber-id client-id. D. ip helper-address 1.0.0.2.

What is a MPLS PHP label operation?. A. Downstream node signals to remove the label. B. It uses implicit-NULL for traffic congestion from source to destination forwarding. C. PE removes the outer label before sending to the P router. D. It improves P router performance by not performing multiple label lookup.

Refer to the exhibit. EIGRP adjacency between router A and router C is not working as expected. Which two configurations resolve the issue? (Choose two.). A. Router C router eigrp CCNP address-family ipv4 unicast autonomous-system 100 af-interface GigabitEthernet0/0/0 hold-time 90 exit-af-interface topology base exit-af-topology exit-address-family. B. Router A router eigrp CCNP address-family ipv4 unicast autonomous-system 10 af-interface GigabitEthernet0/0/1 hello-interval 15 hold-time 90 exit-af-interface topology base exit-af-topology network 198.18.133.0 exit-address-family. C. Router C router eigrp CCNP address-family ipv4 unicast autonomous-system 100 topology base exit-af-interface network 198.18.133.0 exit-address-family. D. Router A router eigrp CCNP address-family ipv4 unicast autonomous-system 100 topology base exit-af-topology network 198.18.133.0 exit-address-family. E. Router A router eigrp CCNP address-family ipv4 unicast autonomous-system 100 af-interface GigabitEthernet0/0/1 hello-interval 15 topology base exit-af-topology network 192.18.133.0 exit-address-family.

Refer to the exhibit. Branch 2 hosts cannot receive dynamic IP addresses. Which action resolves the issue?. A. Configure the ip helper command on the Layer 2 switch SW2 interfaces. B. Configure the ip helper command on the Interface GigabltEthernet 0/0 of the DHCP router. C. Configure the ip helper command on the Interface GigabltEthernet 0/2 of the DHCP router. D. Configure the ip helper command on the interface GigabltEthernet 0/2 of the R2 router.

Which feature filters the IPv6 traffic on Layer 2 untrusted ports?. A. IPv6 Source Guard. B. Binding Table Recovery. C. IPv6 RA Guard. D. DHCPv6 Guard.

What are the two benefits of using BFD? (Choose two.). A. synchronous path determination. B. subsecond failure detection. C. supports all routing protocols. D. supports UDLD failure. E. forwarding path failure detection.

Refer to the exhibit. An engineer must troubleshoot an issue affecting the communication from router R2 to the TACACS server. Which configuration resolves the issue?. A. R1 (config)#tacacs-server packet maxsize 43974. B. R2(config)#tacacs server advrt - R2 (config-server-tacacs)#key xyz123. C. R2(config)#tacacs-server packet maxsize 43974. D. R1 (config)#tacacs server advrt - R1 (config-server-tacacs)#kty xyz123.

Refer to the exhibit. An engineer configured SNMP in R1 to be able to save and upload configurations to the SNMP server but failed when they tried to backup R1 configuration on the server. Which configuration resolves the issue?. A. snmp server tftp-server-list 66. B. copy running-config tftp://10.66.66.66/r1-confg. C. snmp server tftp-server-list 20. D. copy running-config tftp://10.66.66.66/c: r1-confg.