2.
What is the difference between SNMP and model-driven telemetry?
3.
The administrator of a small company network notices that intermittent network issues occasionally cause inbound notifications to its SNMP servers to be lost. Which configuration must the administrator apply so that the SNMP servers acknowledge the notifications that they receive?
4.
A company is expanding its existing office space to a new floor of the building, and the networking team is installing a new set of switches. The new switches are running IGMPv2, and the engineers configured them for VLAN10 only. The rest of the existing network includes numerous Layer 2 switches in multiple other VLANs, all running IGMPv3. Which additional task must the team perform when deploying the new switches so that traffic is switched correctly through the entire network?
5.
A network engineer has configured TE tunnels in the MPLS provider core. Which two steps ensure traffic traverse? (Choose two.)
7.
Which OoS model allows hosts to report their QoS needs to the network?
8.
Which fact must a network engineer consider when planning to deploy RSVP-TE FRR?
9.
A customer site is being connected to a Frame Relay network via a T1 link. The customer has a contract for 512 kbps service with a Tc value of 125 ms. Under peak line conditions, customer traffic can reach four times the contracted speed. Which QoS configuration must the service provider implement to limit the customer to the contracted values?
10.
What is a feature of model-driven telemetry?
11.
Which configuration enables BGP FlowSpec client function and installation of policies on all local interfaces?
12.
Which show command should be implemented to display per-interface statistics about uRPF drops and suppressed drops?
!
configure terminal
ip cef distributed
interface gigabitethernet 1/0
!
ip cef distributedip verify unicast reverse-path 12
!
13.
CE1 and CE2 require connectivity to the internet through the ISP connected to PE3 What should an engineer configure to complete this task?
14.
Egress PE NAT is being used via a single centralized router to provide Internet access to L3VPN customers. Which description of the NAT operation is true?
15.
What is a characteristic of the YANG model?
16.
An engineer is moving all of an organization’s Cisco IOS XE BGP routers to the address-family identifier format. Which command should be used to perform this upgrade quickly with the minimum service disruption?
17.
What are two factors to consider when implementing NSR High Availability on an MPLS PE router? (Choose two.)
18.
A network engineer is configuring a router to send multicast traffic for the 239.10.10.10 group. Which configuration must an .... forward the traffic?
19.
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?
20.
A network administrator is planning a new network with a segment-routing architecture using a distributed control plane. How is routing information distributed on such a network?
21.
This output is included at the end of an output that was provided by a device using NETCONF. What does the code show?
22.
A service provider engineer Is configuring the connection between CE1 and CE2. AS 200 of the service provider and AS 100 of enterprise ABC should connect using BGP. The engineer already completed the configuration of VRF RT 100:10 of enterprise ABC. Which configuration must the engineer apply on PE1 to meet the requirement?
23.
Which configuration must be implemented on router R8 so that it will establish OSPF adjacency with R5?
24.
A network team has failed to implement IS-IS multitopology. What is the reason for it?
26.
When configuring traffic engineering tunnels in Cisco MPLS core network, you see the traffic is not taking the expected path in the core. Which command do you use to quickly check path of a TE tunnel?
27.
The network engineer who manages ASN 65010 is provisioning a customer VRF named CUSTOMER-ABC on PE-2. The PE-CE routing protocol is OSPF Internet reachability is available via the OSPF 0 0 0.0/0 route advertised by CE-1 to PE-1 In the customer VRF Which configuration must the network engineer Implement on PE-2 so that CE-2 has connectivity to the Internet?
28.
Which three outcomes occur if the prefix list is added to the neighbor? (Choose three)
29.
To protect in-band management access to CPE-R7, an engineer wants to allow only SSH management and provisioning traffic from management network 192.168.0.0/16. Which infrastructure ACL change must be applied to router PE-R9 to complete this task?
30.
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?
31.
Four midsize service providers provide access to different customers that use Layer 3 VPN services to enable communication across geographic regions. The service providers are connected as shown in the exhibit, and the PEs have established eBGP relationships. PE4 has an IBGP relationship with PE5. The routes that PE4 learns from PE5 must reach the other PE routers, but they are absent from the routing tables on the other PES. Which action should the engineers take to correct the problem?
32.
The network-engineering team of a service provider is integrating several recently acquired networks into a more scalable common Unified MPLS architecture. The new network architecture will support end-to-end VPNv4 and VPNv6 services with these requirements:
- The IGP of the core layer is IS-IS In Area 0.
- The IGP of the aggregation layers is OSPF in Area 0.
- The LDP protocol Is used to distribute label bindings within each IGP domain.
Which task must the network engineer perform when implementing this new architecture?
33.
What is significant about the number 2 in the configuration?
snmp-server community ciscotest ro 2
34.
A network architect décides to expand the scope of the multicast deployment within the company network the network is already using PlM-SM with a static RP that supports a high-bandwidth.video-based training application that s heavily used by the employees, but excessive bandwidth usage is a concern How must the engineer update the network to provide a more efficient multicast implementation'?
35.
When Cisco lOS XE REST API uses HTTP request methods what is the purpose of a PUT request?
36.
R1 has two upstream Tier 1 service providers. BGP is in use as the exterior routing protocol, and ISP_A and ISP_B are sending the full BGP table. A network engineer must assign local-preference 70 to all routes with multiple exit discriminator 30. Which configuration must the network engineer apply?
37.
Which protocol does a Cisco MPLS TE tunnel use to maintain paths within the core?
38.
How is a telemetry session established for data analytics?
39.
Guidelines -This is a lab item in which tasks will be performed on virtual devices.
- Refer to the Tasks tab to view the tasks for this lab item.
- Refer to the Topology tab to access the device console(s) and perform the tasks.
- Console access is available for all required devices by clicking the device icon or using the tab(s)
above the console window.
- All necessary preconfigurations have been applied.
- Do not change the enable password or hostname for any device.
- Save your configurations to NVRAM before moving to the next item.
- Click Next at the bottom of the screen to submit this lab and move to the next question.
- When Next is clicked, the lab closes and cannot be reopened.
Topology
Tasks
-
Configure and verify the OSPF neighbor adjacency between R1 and R2 in OSPF area 0 according
to the topology to achieve these goals:
- Establish R1 and R2 OSPF adjacency. All interfaces must be advertised in OSPF by using the
OSPF interface command method. Use Loopback0 as the OSPF ID.
- There must be no DR/BDR elections in OSPF Area 0 when establishing the neighbor
relationship between R1 and R2. OSPF must not generate the host entries /32 for the adjacent
interfaces.
- Enable OSPF MD5 Authentication between both routers at the interface level with password
C1sc0!.
Answer:
41.
How much must the MTU be increased when configuring the 802.1q VLAN tag?
42.
A network engineer Is implementing a QoS policy for outbound management traffic classification and marking on a CPE device with these requirements:
- Management protocols must be marked with DSCP AF class 2 w4h low drop probability.
- Monitoring protocols must be marked with DSCP AF class 1 with low drop probability.
- All remaining traffic must be marked with a DSCP value of 0.
Which configuration must the engineer implement to satisfy the requirements?
43.
Which MPLS design attribute can you use to provide Internet access to a major customer through a separate dedicated VPN?
44.
ASN 64501 currently reaches the networks under the 10.0.0.0/8 prefix via the North_B router,which is a slow backup link. The administrator of ASN 64502 wants traffic from ASN 64501 to 10.0.0.0/8 to travel via the primary link North_A. Which change to the network configuration accomplishes this task?
45.
Which statement about segment routing prefix segments is true?
46.
Which control plane protocol is used between Cisco SD-WAN routers and vSmart controllers?
47.
A network architect must implement CSC VPN services for a new backbone carrier. Which two benefits does the architecture provide? (Choose two.)
48.
While troubleshooting a connectivity issue on router R2, a network engineer with an employee id:3876.13.497 notices that although it detects three OSPF links from R1, the OSPF prefixes are missing from the routing table. What is the reason for the problem?
49.
What are two features of stateful NAT64? (Choose two.)
50.
In the service provider network, routers PE1, PE2, and PE4 have access to the internet and provide access to customer networks. Router PE3 is used for access to other customer systems. In accordance with a new SLA, an engineer is updating settings on this network so that router CE1 accesses the internet via PE1 instead of PE2. Which two tasks must the engineer perform to complete the process? (Choose two.)
51.
Drag and drop the functions from the path computation element protocol roles on the right.
ANSWER:
calkulates paths through the netwock
sends path creation request
keeps TE topobgy database information
sends path caloulation request
sends path status updates
keeps TE topobgy database information
calkulates paths through the netwock
sends path creation request
sends path status updates
sends path caloulation request
提示
52.
A network engineer must enable the helper router to terminate the OSPF graceful restart process if it detects any changes in the LSA. Which command enables this feature?
53.
A customer has requested that the service provider use a Cisco MPLS TE tunnel to force the E-line service to take a specific route What is used to send the traffic over the tunnel?
54.
ISP A has a BGP peering with ISP C with the maximum-prefix 150 configuration on R1. After a recent security breach on the ISP A network, a network engineer has been asked to enable a lightweight security mechanism to protect the R1 CPU and BGP membership from spoofing attacks. Which solution must ISP A implement?
55.
What is a characteristic of MVPN?
56.
A NOC engineer is configuring label-based forwarding from CSR to the EPC gateway. Cell-site operation and maintenance for IPv4 traffic between 10.20.10.1 and 192.168.10.10 is already up. CR1 and CR2 are configured as route reflectors for AG1 and AG2. Which action completes the configuration?
57.
Tier 1 ISP A is connected to small Tier 3 ISP B. The EBGP routing protocol is used for route exchange. The networking team at ISP A noticed the flapping of BGP sessions with ISP B. The team decides to Improve stability on the network by suppressing the subnet for 30 minutes when a session begins to flap. Which action must the team perform to meet this goal?
58.
A network engineer notices PE-21 convergence degradation due to the growing LSDB size of Level 2 areas in the network. The engineer decides to migrate router PE-21 from an inter-area design to an intra-area implementation. Inter-area routing must be accomplished via an ATT-bit set by the Level 1/Level 2 router. Which configuration must the engineer implement on PE-21 to complete the migration?
59.
ISP ASN 65100 provides Internet services to router CE-1 and receives customer prefix 198.18.18.0/24 via eBGP. An administrator for the ISP is now provisioning RTBH services to provide on-demand data-plane security for the customer’s IP space. Which route-map configuration must the administrator apply to router RTBH-1 to complete the implementation of RTBH services to CE-1?
60.
Over the last few months. ISP A has doubled Its user base. The IT Director asked the engineering team to monitor memory consumption and buffer statistics on all P and PE devices In the MPLS core. Most devices have CPU usage of 70% or more, so the solution must be targeted and secure. Which two commands must the engineering team implement on P and PE devices to meet these requirements? (Choose two.)
Notification host:192.168.101.1 udp-port:162 type:trap
user:community1 security model:v10munity
61.
You are creating new Cisco MPLS TE tunnels. Which type of RSVP message does the headend router send to reserve bandwidth on the path to the tunnel’s router?
62.
An engineer is configuring path selection on router R1 for two ASNs as shown. Which additional task must the engineer perform on Router 1 so that all outbound traffic utilizes the link between R1 and R3 to reach ASN 4567?
63.
An Ethernet access provider is configuring routers PE-1 and PE-2 to provide E-Access EVPL service between UNI and ENNI. ENNI service multiplexing is based on 802.1ad tag 150, and service-multiplexed UNI is based on 802.1q tag 10. Which EFP configurations must the provider implement on PE-1 and PE-2 to establish end-to-end connectivity between CE-1 and CE-2?
64.
A router is configured to perform MPLS LDP graceful restart. Which three steps are included when the RP sends an LDP initialization to a neighbor to establish an LDP session? (Choose three)
65.
Why is the keyword none needed when implementing management plane security using TACACS?
66.
Which OS uses a distributed subsystem architecture?
67.
Router 4 is added to the network and must be in the same area as router 1. Which NET should the engineer assign?
Router 1:
router isis
net 49.0011.0000.0000.0001.00
Router 2:router isis
net 49.0001.0000.0000.0001.00
Router 3:
router isis
net 49.0011.0000.0000.0002.00
68.
A network engineer configures CPE-1 for QoS with these requirements:
IPv4 and IPv6 traffic originated by the CPE-1 WAN IP address must be marked with DSCP CS3.
IPv4 LAN traffic must be marked with DSCP CS1.
IPv6 LAN traffic must be marked with DSCP default.
Which configuration must the engineer implement on CPE-1?
69.
Router R1 is configured with class map CE with match Ip precedence critical to align with customer contract SLAs. The customer is sending all traffic from CE1 toward the FTP server with IP precedence 5 A network engineer must allow 10% of interface capacity on router R3 Which two actions must the engineer take to accomplish the task? (Choose two )
70.
A network operator working for service provider with an employee id 3715 15:021 applied this configuration to a router
mpls label protocol idp
mpls 1dp router-id 1oopback 0
mpls ip
ip cet
Which additional step should the engineer use to enable LDP?
72.
. A network engineer is configuring a new router for iBGP to improve the capacity of a growing network. The router must establish an iBGP peer relationship with its neighbor. The underlay network is already configured with the correct IP addresses. Which step should the engineer apply to complete this task?
73.
Router 1 was experiencing a DDoS attack that was traced to interface gjgabitethernet0/1. Which statement about this configuration is true?
ip cef
interface gigabitethernet0/1
ip verify unicast source reachable-via any
74.
The network engineer who manages ASN 65001 is troubleshooting suboptimal routing to the 198.18.15.0/24 prefix. According to the network requirements: Routing to IP destinations in the 198.18.15.0/25 block must be preferred via the EDGE-1 PE. Routing to IP destinations in the 198.18.15.128/25 block must be preferred via the EDGE-2 PE. More specific prefixes of the 198.18.15.0/24 block must not be advertised beyond the boundaries of ASN 64611. Routing to 198.18.15.0/24 must be redundant in case one of the uplinks on INT-R1 fails. Which configuration must the network engineer implement on INT-R1 to correct the suboptimal routing and fix the issue?
75.
A network engineer is trying to retrieve SNMP MIBs with RESTCONF on the Cisco switch but fails. End-to-end routing is in place. Which configuration must the engineer implement on the switch to complete?
76.
A network engineer is implementing BGP in AS 65101 and AS 65201. R3 sends data traffic to 192.168.1.1 /32 via the path R3-R2-R1. The traffic must travel via alternate path R6-R5 for prefix 192.168.1.1/32. Which action must be taken to meet the requirement?
77.
Which action does the ingress VTEP perform on traffic between EVPN VXLAN overlays?
78.
What is a primary benefit of IPoATM or MPLS over ATM backbone service provider networks?
79.
What occurs when a high bandwidth multicast stream is sent over an MVPN using Cisco hardware?
80.
An engineer has started to configure a router for secure remote access as shown. All users who require network access need to be authenticated by the SSH Protocol.Which two actions must the engineer implement to complete the SSH configuration? (Choose two.)
Line vty 0 4
access-class 100 in
transport input ssh
login local
line vty 5 15
access-class 100 in
transport input ssh
login local
81.
How can shared services in an MPLS Layer 3 VPN provide Internet access to the customers of a central service provider?
82.
A large enterprise has multiple branch offices that span several geographic regions. The enterprise runs MPLS within the core to propagate VPNv4 routes using BGP. After a recent series of DDoS attacks disrupted the network, a network engineer has been asked to reconfigure BGP to help mitigate future attacks. Which configuration must the engineer apply?
83.
An engineer is configuring multitiopology IS-IS for IPv6 on router R1. Which additional configuration must be applied to complete the task?
R1#configure terninal
R1(contig)#router isis area2
R1(config-router)#metric-style vide level-1
84.
Which two statements about the ISIS topology are true? (Choose two.)
85.
Which two PHY modes are available to implement an IOS XR Gigabit Ethernet interface interface? (Choose two.)
86.
To optimize network operations, the senior architect created this Python 3.9 script for network automation tasks and to leverage Ansible 4.0 playbooks. Devices In the network support only RFC 2617-based authentication What does the script do?
87.
A network engineer must configure an LDP neighborship between two newly installed routers that are located in two different offices. Router 1 is the core router in the network and it has already established OSPF adjacency with router 2. On router 1 and router 2. interface fa0/0 is configured for BFD. Which additional configuration must the engineer apply to the two devices to meet the requirement?
88.
Which two features will be used when defining SR-TE explicit path hops if the devices are using IP unnumbered interfaces? (Choose two.)
89.
R101 is peering with R102 and R103, and R201 is peering with R202 and R203 using iBGP Labeled Unicast address families. The OSPF area 0 border routers are in a full iBGP Labeled Unicast mesh, and VPNv4 routes are exchanged directly between PE routers R101 and R201through iBGP Which address family-level configuration must be applied on ABR R102 on ABR,R102 to support a Unified MPLS routing architecture with partitioned IGP domains?
90.
What is the characteristic of the Tl-LFA?
91.
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?
92.
An engineer has started to configure a router for OSPF, as shown Which configuration must an engineer apply on the network so that area 15 traffic from R5 to R1 will prefer the route through R4?
93.
Which role does the Adjacency-SID sub-TLV extension perform in the IS-IS routing protocol?
94.
Which configuration prevents the OSPF neighbor from establishing?
95.
If router RA is configured as shown, which IPv4 multicast address space does it use?
96.
. An engineer configured several network devices to run REST APIs. After testing, the organization plans to use REST APIs throughout the network to manage the network more efficiently. What is the effect if this script?
GET https://192.168.201.10/api/class/aaaUser,json?
query-target-fiIter=eq(paaUser.1astName,"CiscoTest")
97.
A network engineer is configuring Flexible NetFlow and enters these commands
sampler NetFlow 1
mode random one-out-of 100
interface fastethernet 1/0
flow-sampler NetFlow 1
What are two results of implementing this feature instead of traditional NetFlow? (Choose two.)
98.
Router 1 and router 2 are running OSPF Area 0. The router logs on both routers show that the LDP link has flapped. Which configuration must the engineer apply to the two routers to implement session protection on the link?
99.
What is a characteristic of prefix segment identifier?
100.
A network administrator must monitor network usage to provide optimal performance to the network end users when the network is under heavy load. The administrator asked the engineer to install a new server to receive SNMP traps at destination 192.168.1.2. Which configuration must the engineer apply so that all traps are sent to the new server?
101.
Router P4 and P5 receive the 0.0.0.0/0 route from the ISP via eBGP peering P4 is the primary Internet gateway router, and P5 is its Backup. P5 is already advertising a default route into OSPF domain. Which configuration must Be applied to P4 so that advertises a default route Into OSPF and Becomes me primary internet gateway for the network?
102.
ISP_A is about to launch a new internet service. ISP_A is already providing MPLS VPN Layer 3 services to Customer_A and Customer_B, which are connected to ISP_A via OSPF. A network engineer completed the BGP and VRF configurations on R2 to support the new internet service. Which additional action completed the launch?
