QUESTION 81
Which feature is used by LDP in the forwarding path within the MPLS cloud?
A. TTL
B. TDP
C. LSP
D. IP forwarding
Correct Answer: C
QUESTION 82
Which two technologies optimize MPLS infrastructure using bandwidth protection services when experiencing slow response? (Choose two.)
A. Fast-Reroute
B. MPLS OAM
C. SD-MPLS
D. IP LFA
E. VPLS
Correct Answer: AD
QUESTION 83
Which router takes an active role between two LDP neighbors when initiating LDP session negotiation and LDP TCP connection establishment?
A. with the lowest IP address
B. with one interface in the MPLS backbone
C. with the higher IP address
D. with the larger number of LDP TCP neighbors
Correct Answer: C
QUESTION 84
Which protocol supports labeled paths between PE routers in an MPLS network?
A. LDP
B. RSVP
C. IGP
D. MP-BGP
Correct Answer: A
QUESTION 85
An engineer configured VRF-Lite on a router for VRF blue and VRF red. OSPF must be enabled on each VRF to peer to a directly connected router in each VRF. Which configuration forms OSPF neighbors over the network 10.10.10.0/28 for VRF blue and 192.168.0.0/30 for VRF red?
A. router ospf 1 vrf blue
network 10.10.10.0 0.0.0.3 area 0
router ospf 2 vrf red
network 192.168.0.0 0.0.0.15 area 0
B. router ospf 1 vrf blue
network 10.10.10.0 0.0.0.240 area 0
router ospf 2 vrf red
network 192.168.0.0 0.0.0.252 area 0
C. router ospf 1 vrf blue
network 10.10.10.0 0.0.0.252 area 0
router ospf 2 vrf red
network 192.168.0.0 0.0.0.240 area 0
D. router ospf 1 vrf blue
network 10.10.10.0 0.0.0.15 area 0
router ospf 2 vrf red
network 192.168.0.0 0.0.0.3 area 0
Correct Answer: D
QUESTION 86
What are the two reasons for RD and VPNv4 addresses in an MPLS Layer 3 VPN? (Choose two.)
A. They are used for a BGP session with the CE device.
B. When the PE redistributes customer routes into MP-BGP, they must be unique.
C. They are on a CE device to use for static configuration.
D. RD is prepended to each prefix to make routes unique.
E. VPN RT communities are used to identify customer unique routes.
Correct Answer: BD
QUESTION 87
The network administrator configured R1 to authenticate Telnet connections based on Cisco ISE using TACACS+. ISE has been configured with an IP address of 192.168.1.5 and with a network device pointing toward R1 (192.168.1.1) with a shared secret password of Cisco123. If ISE is down, the administrator should be able to connect using the local database with a username and password combination of admin/cisco123. The administrator has configure the following on R1:
aaa new-model
!
username admin password cisco123
!
tacacs server ISE1
address ipv4 192.168.1.5
key Cisco123
!
aaa group server tacacs+ RAD-SERV
server name ISE1
!
aaa authentication login RAD-LOCAL group RAD-SERV
ISE has gone down. The Network Administrator is not able to Telnet to R1 when ISE went down. Which two configuration changes will fix the issue? (Choose two.)
A. aaa authentication login RAD-LOCAL group RAD-SERV local
B. aaa authentication login RAD-SERV group RAD-LOCAL local
C. line vty 0 4
login authentication default
D. line vty 0 4
login authentication RAD-SERV
E. line vty 0 4
login authentication RAD-LOCAL
Correct Answer: AE
QUESTION 88
The network administrator deployed the Binding Table Recovery feature. Which two devices recover the missing binding table entries? (Choose two.)
A. DHCP server
B. destination host
C. DHCP client
D. source host
E. DHCP relay agent
Correct Answer: AB
QUESTION 89
Which two components are needed for a service provider to utilize the L3VPN MPLS application? (Choose two.)
A. The P routers must be configured with RSVP.
B. The PE routers must be configured for MP-eBGP to connect to CEs.
C. The P and PE routers must be configured with LDP or RSVP.
D. The PE routers must be configured for MP-iBGP with other PE routers.
E. The P routers must be configured for MP-iBGP toward the PE routers.
Correct Answer: CD
QUESTION 90
What must a network architect consider for RTs when planning for a single customer full-mesh VPN in an MPLS Layer 3 network?
A. Each RT value must be identical to an RD value within the same VPN.
B. RT values must be different from the RD values in the same VPN.
C. RT must be globally identical within the same VPN.
D. RT must be globally unique within the same VPN.
Correct Answer: C
QUESTION 91
What is the downstream unsolicited distribution method in MPLS?
A. It sends a unicast hello message to a specific LSR.
B. It advertises labels to peers only when the peer requests.
C. It sends a unicast hello message to a specific LER.
D. It advertises labels to peers without peer request.
Correct Answer: D
QUESTION 92
ip vrf CCNP
rd 1:1
interface Ethernet1
ip vrf forwarding CCNP
ip address 10.1.1.1 255.255.255.252
!
interface Ethernet2
ip vrf forwarding CCNP
ip address 10.2.2.2 255.255.255.252
Refer to the exhibit. Which configuration enables OSPF for area 0 interfaces to establish adjacency with a neighboring router with the same VRF?
A. router ospf 1 vrf CCNP
network 10.0.0.0 0.0.255.255 area 0
B. router ospf 1
interface Ethernet1
ip ospf 1 area 0.0.0.0
interface Ethernet2
ip ospf 1 area 0.0.0.0
C. router ospf 1 vrf CCNP
interface Ethernet1
ip ospf 1 area 0.0.0.0
interface Ethernet2
ip ospf 1 area 0.0.0.0
D. router ospf 1 vrf CCNP
network 10.1.1.1 0.0.0.0 area 0
network 10.2.2.2 0.0.0.0 area 0
Correct Answer: D
QUESTION 93
A customer requested a GRE tunnel through the provider network between two customer sites using loopback to hide internal networks. Which configuration on R2 establishes the tunnel with R1?
A. R2(config)# interface Tunnel1
R2(config-if)# ip address 172.20.1.2 255.255.255.0
R2(config-if)# ip mtu 1500
R2(config-if)# ip tcp adjust-mss 1360
R2(config-if)# tunnel source 10.10.2.2
R2(config-if)# tunnel destination 10.10.1.1
B. R2(config) # interface Tunnel1
R2(config-if)# ip address 172.20.1.2 255.255.255.0
R2(config-if)# ip mtu 1500
R2(config-if)# ip tcp adjust-mss 1360
R2(config-if)# tunnel source 192.168.20.1
R2(config-if)# tunnel destination 10.10.1.1
C. R2(config)# interface Tunnel1
R2(config-if)# ip address 172.20.1.2 255.255.255.0
R2(config-if)# ip mtu 1400
R2(config-if)# ip tcp adjust-mss 1360
R2(config-if)# tunnel source 10.10.2.2
R2(Config-if)# tunnel destination 10.10.1.1
D. R2(config)# interface Tunnel1
R2(config-if)# ip address 172.20.1.2 255.255.255.0
R2(config-if)# ip mtu 1400
R2(config-if)# ip tcp adjust-mss 1360
R2(config-if)# tunnel source 192.168.20.1
R2(config-if)# tunnel destination 192.168.10.1
Correct Answer: C
QUESTION 94
Which two components are required for MPLS Layer 3 VPN configuration? (Choose two.)
A. Use OSPF between PE and CE.
B. Use LDP for customer routes.
C. Use MP-BGP for customer routes.
D. Use a unique RD per customer VRF
E. Use pseudowire for Layer 2 routes.
Correct Answer: CD
QUESTION 95
An engineer failed to run diagnostic commands on devices using Cisco DNA Center. Which action in Cisco DNA Center resolves the issue?
A. Enable Command Runner.
B. Enable CDP.
C. Enable APIs.
D. Enable Secure Shell.
Correct Answer: A
QUESTION 96
Which method provides failure detection in BFD?
A. long duration, high overhead
B. short duration, low overhead
C. long duration, low overhead
D. short duration, high overhead
Correct Answer: B
QUESTION 97
A network administrator added a new spoke site with dynamic IP on the DMVPN network. Which configuration command passes traffic on the DMVPN tunnel from the spoke router?
A. ip nhrp registration no-registration
B. ip nhrp registration ignore
C. ip nhrp registration dynamic
D. ip nhrp registration no-unique
Correct Answer: D
QUESTION 98
A customer reports that traffic is not passing on an EIGRP enabled multipoint interface on a router configured as below:
interface Serial0/0/0
no ip address
interface Serial0/0/0.9 multipoint
ip address 10.1.1.1255.255.255.248
ip split-horizon eigrp 1
Which action resolves the issue?
A. Disable split horizon.
B. Enable split horizon.
C. Disable poison reverse.
D. Enable poison reverse.
Correct Answer: A
QUESTION 99
A newly installed spoke router is configured for DMVPN with the ip mtu 1400 command. Which configuration allows the spoke to use fragmentation with the maximum negotiated TCP MTU over GRE?
A. ip tcp payload-mtu 1360
crypto ipsec fragmentation mtu-discover
B. ip tcp adjust-mss 1360
crypto ipsec fragmentation mtu-discovery
C. ip tcp adjust-mss 1360
crypto ipsec fragmentation after-encryption
D. ip tcp payload-mtu 1360
crypto ipsec fragmentation after-encryption
Correct Answer: C
QUESTION 100
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 60
timeout 3000
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
http get url http://10.1.1.10
frequency 1
timeout 3
ip sla schedule 5 life forever start-time now
D. ip sla 5
icmp-echo 10.1.1.10
frequency 1
timeout 3
ip sla schedule 5 life forever start-time now
Correct Answer: B