Cisco 350-501 Practice Test - Questions Answers, Page 34
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Which OS uses a distributed subsystem architecture?
IOS XE
IOS
IOS XR
CatOS
Refer to the exhibit.
Refer to the exhibit. ISP A provides MPLS L3VPN service to customer A with BGP as the external routing protocol. Customer A has just opened a new branch office in London and requested the service provider to implement lossless service between its two offices. The LDP is enabled over the MPLS backbone and label exchange is working normally. Which action must the ISP engineering team take to enable the service?
Configure LDP and redistribute the route from EIGRP.
Configure BGP address family VPNv4.
Configure IGP and redistribute the route from BGP.
Configure IGP LDP synchronization
How does Cisco DNA Center enhance network automation?
It allows network administrators to quickly deploy Cisco Layer 2 devices without requiring STP and broadcast transport.
It allows network administrators to reduce inconsistencies when they deploy and validate network configurations.
It allows network administrators to reduce the number of VRFs in a multi customer environment by automatically implementing a single VLAN per customer.
It allows network administrators to combine voice and data networks into a single topology without manual configuration.
Refer to the exhibit.
Refer to the exhibit. A network engineer is implementing multicast services on CPE-1 and CPE-2.
CPE-1 must be configured as the preferred IGMP querier for the LAN segment. PIM-SM must be implemented on the LAN interfaces with an IGMP version that supports (*, G) joins only. Which configurations must the engineer implement on
CPE-1 and CPE-2?
On CPE-1:
interface GigabitEthernet0/1
ip address 10.0.12.129 255.255.255.128
ip pim sparse-mode
ip igmp version 2
On CPE-2:
interface GigabitEthernet0/1
ip address 10.0.12.130 255.255.255.128
ip pim sparse-mode
ip igmp version 2
On CPE-1:
interface GigabitEthernet0/1
ip address 10.0.12.130 255.255.255.128
ip pim sparse-mode
ip igmp version 3
On CPE-2:
interface GigabitEthernet0/1
ip address 10.0.12.129 255.255.255. 128
ip pim sparse-mode
ip igmp version 3
On CPE-1:
interface GigabitEthernet0/1
ip address 10.0.12.130 255.255.255.128
ip pim sparse-mode
ip igmp version 2
On CPE-2:
interface GigabitEthernet0/1
ip address 10.0.12.129 255.255.255.128
ip pim sparse-mode
ip igmp version 2
On CPE-1:
interface GigabitEthernet0/1
ip address 10.0.12.129 255.255.255.128
ip pim sparse-mode
ip igmp version 3
On CPE-2:
interface GigabitEthernet0/1
ip address 10.0.12.130 255.255.255.128
ip pim sparse-mode
ip igmp version 3
A new PE router is configured to run OSPF as an IGP with LDP on all interfaces. The engineer is trying to prevent black holes after convergence when the PERSON device loses an LDP session with other PE routers. Which action must the engineer take to implement LDP session protection on a new PE router?
Configure the mpls ldp session protection and mpls label protocol ldp commands on the interfaces on the new PE router that connect to the CENTER routers.
Configure the mpls ldp discovery targeted-hello accept and mpls ldp session protection commands on the interfaces on the new PE router that connect to the CE routers.
Configure the new PE router with the mpls ldp session protection command and on neighboring routers that connect to this new PE router.
Configure the new PE router with the mpls ldp session protection command on interfaces with directly connected neighbors.
What is the function of Cisco NFV infrastructure platform?
It does not have a security audit feature.
It does not offer high availability.
It offers consistent performance.
It offers decentralized logging.
Which condition must be met for TI-LFA to protect LDP traffic?
For single-segment protection, the PQ node must be LDP and SR-capable.
The protected destination must have an associated LDP label and prefix-SID.
The point of local repair must be LDP-capable.
For double-segment protection, the P and Q nodes must be SR-capable.
The NOC team must update the BGP forwarding configuration on the network with these requirements:
BGP peers must establish a neighborship with NSF capability and restart the session for the capability to be exchanged after 120 seconds.
BGP peers must delete routes after 360 seconds of inactivity.
Which action meets these requirements?
Set the BGP restart-time to 120 seconds and the BGP ha-mode sso to 360 seconds.
Set the stalepath-time to 120 seconds and the BGP restart-time to 360 seconds.
Set the BGP ha-mode sso to 120 seconds and the BGP restart-time to 360 seconds.
Set the BGP restart-time to 120 seconds and the stalepath-time to 360 seconds.
Refer to the exhibit.
Refer to the exhibit. A network engineer is configuring router RB to secure BGP advertisements against route hijacking activity. RB must validate all prefixes that it receives from origin AS 200 before installing them in the BGP route table.
Which configuration meets the requirement?
RB(config)# router bgp 100
RB(config-router)# address-family ipv4 unicast
RB(config-router-af)# bgp bestpath origin-as use validity
RB(config-bgp)# router bgp 100
RB(config-bgp)# bgp origin-as validation signal ibgp
RB(config-bgp)# bgp bestpath origin-as allow invalid
RB(config-bgp)# router bgp 100
RB(config-bgp)# bgp origin-as validation time off
RB(config)# router bgp 100
RB(config-router)# address-family ipv4 unicast
PB(config-router-af)# bgp origin-as validation enable
After troubleshooting multiple outages on the network due to repeated configuration errors, the network architect asked an engineer to enable NETCONF to facilitate future configurations. The configuration must enable syslog messaging to record NETCONF notifications from each of the numerous devices on the network. Which configuration must the engineer apply?
username cisco test taker privilege 15 password 0 cisco test
aaa new-model
aaa authorization exec default local
snmp-server community cisco test RW
netconf-yang cisco-ia snmp-community-string ciscotest
logging history warnings
username cisco test taker privilege 15 password 0 ciscotest
aaa new-model
aaa authorization exec default local
snmp-server community ciscotest RW
netconf-yang cisco
logging history critical
netconf-yang
username ciscotesttaker privilege 15 password 0 ciscotest
aaa new-model
aaa authorization exec default local
snmp-server community ciscotest RW
netconf-yang cisco-ia snmp-community-string ciscotest
logging history debugging
netconf-yang
username ciscotesttaker privilege 15 password 0 ciscotest
snmp-server community ciscotest RW
netconf-yang cisco-ia snmp-community-string ciscotest
logging history informational
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