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السؤال #1
Refer to the exhibit. This con guration is being applied on an IOS XR router.Which statement about this con guration is true?
A. t is used to enable gRPC
B. t is used to create a streaming subscription with a 600-second interval
C. t is used to set up con guration to poll network data
D. t is used to create a streaming subscription with a 60-Second interval
عرض الإجابة
اجابة صحيحة: D
السؤال #2
Which con guration enables BGP FlowSpec client function and installation of policies on all local interfaces?
A. wspec address-family ipv4 local-install interface-all
B. wspec address-family ipv4 install interface-all local
C. wspec address-family ipv4 install interface-all
D. wspec address-family ipv4 local-install all-interface
عرض الإجابة
اجابة صحيحة: A
السؤال #3
Refer to the exhibit. An engineer began to con gure LDP between R1 and R2, but R1 and R2 cannot yet establish an LDP TCP connection. Which additional task must be completed to nish the implementation?
A. on gure the mpls ldp neighbor 10
B. on gure the mpls ldp neighbor 172
C. on gure the no mpls ldp password option 1 command on R1
D. on gure the no mpls ldp password option 1 command on R2
عرض الإجابة
اجابة صحيحة: D
السؤال #4
An engineer is implementing a Cisco MPLS TE tunnel to improve the streaming experience for the clients of a video-on-demand server. Which action must the engineer perform to con gure extended discovery to support the MPLS LDP session between the headend and tailend routers?
A. isable MPLS LDP IGP synchronization on the network
B. on gure LDP sessions protection on the network
C. isable IP CEF on routers running LDP and enable LDP protocol
D. on gure MPLS LDP IGP synchronization on the network
عرض الإجابة
اجابة صحيحة: A
السؤال #5
Refer to the exhibit. An engineer is implementing BGP selective pre x suppression. The router must advertise only 10.16.4.0/24, 10.16.5.0/24, and summarized route 10.16.0.0/21, and suppress 10.16.6.0/24. Which con guration must the engineer apply to the router?
A. outer (con g)# router bgp 300 Router(con g-router)# aggregate-address 10
B. outer (con g)# router bgp 300 Router(con g-router)# aggregate-address 10
C. outer (con g)# router bgp 300 Router(con g-router)# aggregate-address 10
D. outer (con g)# router bgp 300 Router(con g-router)# aggregate-address 10
عرض الإجابة
اجابة صحيحة: C
السؤال #6
Refer to the exhibit. If router RA is con gured as shown, which IPv4 multicast address space does it use?
A. 24
B. 25
C. 32
D. 39
عرض الإجابة
اجابة صحيحة: C
السؤال #7
DRAG DROP (Drag and Drop is not supported).A network engineer is adding an additional 10Gbps link to an existing 2x10Gbps LACP-based LAG to augment its capacity. Network standards require a bundle interface to be taken out of service if one of its member links goes down, and the new link must be added with minimal impact to the production network. Drag and drop the tasks that the engineer must perform from the left into the sequence on the right. Not all options are used.Select and Place:
A. ee Explanation section for answer
عرض الإجابة
اجابة صحيحة: A
السؤال #8
Refer to the exhibit. Which statement describes the effect of this con guration?
A. t matches HTTP tra c for use in a policy map
B. t applies a service policy to all interfaces remarking HTTP tra c
C. t creates an ACL named WEB that lters HTTP tra c
D. t modi es the default policy map to allow all HTTP tra c through the router
عرض الإجابة
اجابة صحيحة: A
السؤال #9
Refer to the exhibit. An engineer is preparing to implement data plane security con guration.Which statement about this con guration is true?
A. outer 1 and Router 2 advertise the route to 192
B. ll tra c to 192
C. ll tra c is dropped
D. outer 1 drops all tra c with a local-preference set to 150
عرض الإجابة
اجابة صحيحة: B
السؤال #10
Refer to the exhibit. To protect in-band management access to CPE-R7, an engineer wants to allow only SSH management and provisioning tra c from management network 192.168.0.0/16. Which infrastructure ACL change must be applied to router PE-R9 to complete this task?
A. 2(con g)# access-list 1 permit 172
B. 2(con g)# access-list 1 permit 172
C. 2(con g)# access-list 1 permit 172
D. 2(con g)# access-list 1 permit 172
عرض الإجابة
اجابة صحيحة: B
السؤال #11
Refer to the exhibit. P3 and PE4 are at the edge of the service provider core and serve as ABR routers. Aggregation areas are on either side of the core.Which statement about the architecture is true?
A. o support seamless MPLS, the BGP route re ector feature must be disabled
B. f each area is running its own IGP, BGP must provide an end-to-end MPLS LSP
C. f each area is running its own IGP, the ABR routers must redistribute the IGP routing table into BGP
D. o support seamless MPLS, TDP must be used as the label protocol
عرض الإجابة
اجابة صحيحة: B
السؤال #12
While implementing TTL security, you issue the PE(con g-router-af)#neighbor 2.2.2.2 ttl-security hops 2 command.After you issue this command, which BGP packets does the PE accept?
A. o 2
B. rom 2
C. o 2
D. rom 2
عرض الإجابة
اجابة صحيحة: D
السؤال #13
An engineer must extend Layer 2 between two campus sites connected through an MPLS backbone that encapsulates Layer 2 and Layer 3 data. Which action must the engineer perform on the routers to accomplish this task?
A. on gure QoS for MPLS and E-ACCESS
B. on gure a EtherChannel for E-LAN
C. on gure a pseudowire for E-LINE
D. on gure Cisco MPLS TE for use with E-TREE
عرض الإجابة
اجابة صحيحة: C
السؤال #14
Refer to the exhibit. R1 and R2 are directly connected with Fast Ethernet interfaces and have the above con guration applied OSPF adjacency is not formed.When the debug ip ospf hello command is issued on R1, these log messages are seen:Which command can be con gured on routers R1 and R2 on f0/0 interfaces to form OSPF adjacency?
A. p ospf network point-to-multipoint non-broadcast
B. p ospf network non-broadcast
C. p ospf network broadcast
D. p ospf network point-to-point
عرض الإجابة
اجابة صحيحة: D
السؤال #15
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 tailend router?
A. ath
B. ear
C. rror
D. eservation
عرض الإجابة
اجابة صحيحة: A
السؤال #16
Refer to the exhibit. What does this value mean when it is received in XML?
A. hey both have agents running on the client machine
B. hey both can be designed with more than one master server
C. hey both use DSL con guration language
D. hey both use YAML con guration language
عرض الإجابة
اجابة صحيحة: C
السؤال #17
What do Ansible and SaltStack have in common?
A. t shows that the full con guration is being modeled by YANG
B. t shows NETCONF uses remote procedure calls
C. t shows the hostname of the device as rpc-reply
D. t shows that the running con guration is blank
عرض الإجابة
اجابة صحيحة: D
السؤال #18
An engineer working for a private service provider with employee Id: 1234:56:789 is con guring a Cisco device to redistribute OSPF into BGP.Which task enables the device to lter routes?
A. on gure an access list and reference it with the redistribute command
B. on gure a route map and reference it with the redistribute command
C. on gure a pre x list and associate it to the BGP peer interface
D. on gure a distribute list and associate it to the BGP peer interface
عرض الإجابة
اجابة صحيحة: B
السؤال #19
Refer to the exhibit. A Cisco engineer is implementing gRPC dial-out on an ASR. Receiver 192.168.1.1 will be assigned one of the subscriptions, and it will manage the ASR. Which command is needed to complete the router con guration?
A. rotocol tcp
B. rotocol any
C. rotocol grpc
D. rotocol all
عرض الإجابة
اجابة صحيحة: A
السؤال #20
Refer to the exhibit. What does the REST API command do?
A. t removes the information identi ed by Descriptions
B. t executes the information speci ed in Descriptions
C. t retrieves the information requested by Descriptions
D. t displays the information identi ed by Descriptions
عرض الإجابة
اجابة صحيحة: B
السؤال #21
Refer to the exhibit. Which two statements about the IS-IS topology are true? (Choose two.)
A. S-IS neighbor authentication is failing for Level 2 PDUs only
B. S-IS neighbor authentication is failing for Level 2 rst and then for Level 1 PDUs
C. S-IS neighbor authentication is failing for Level 1 and Level 2 PDUs
D. S-IS neighbor authentication is failing for Level 1 PDUs only
عرض الإجابة
اجابة صحيحة: BE
السؤال #22
Refer to the exhibit. Router R1 is reporting that its BGP neighbor adjacency to router R2 is down, but its state is Active. Which con guration must be applied to routers R1 and R2 to x the problem?
A. 1 router bgp 5400 neighbor 11
B. 1 router bgp 5400 neighbor 2
C. 1 router bgp 5400 neighbor 2
D. 1 router bgp 5400 neighbor 1
عرض الإجابة
اجابة صحيحة: D
السؤال #23
DRAG DROP (Drag and Drop is not supported).Drag and drop each NAT64 description from the left onto the correct NAT64 type on the right.Select and Place:
A. ee Explanation section for answer
عرض الإجابة
اجابة صحيحة: A
السؤال #24
How is a telemetry session established for data analytics?
A. router initiates a session using the dial-out mode to a destination
B. router requests the data using Telnet
C. he destination initiates a session using the dial-out mode to the router
D. destination initiates a session to a router
عرض الإجابة
اجابة صحيحة: A
السؤال #25
Refer to the exhibit Which effect of this con guration is true?
A. he two routers fail to form a neighbor relationship because they have different IS-IS area types
B. he two routers successfully form a neighbor relationship
C. he two routers fail to form a neighbor relationship because the authentication con guration is missing
D. he two routers fail to form a neighbor relationship because their system IDs are different
عرض الإجابة
اجابة صحيحة: A
السؤال #26
Which con guration mode do you use to apply the mpls ldp graceful-restart command in IOS XE Software?
A. t enables EGP and IGP to operate independently
B. t enables you to choose whether to separate or centralize each individual service
C. t is easier to manage a system in which services are mixed
D. t requires only one edge router
عرض الإجابة
اجابة صحيحة: D
السؤال #27
Refer to the exhibit. A network administrator wants to enhance the security for SNMP for this con guration.Which action can the network administrator implement?
A. dd a community string to the existing entry
B. aintain the con guration but switch to an encrypted password for device access through SSH
C. e-con gure to use SNMPv2 with MD5 authentication
D. e-con gure to use SNMPv3
عرض الإجابة
اجابة صحيحة: D
السؤال #28
Refer to the exhibit. Which con guration prevents the OSPF neighbor from establishing?
A. efault-metric
B. uplex
C. etwork statement
D. tu
عرض الإجابة
اجابة صحيحة: D
السؤال #29
Refer to the exhibit. Which condition must be met by the OSPF peer of router R1 before the two devices can establish communication?
A. ee Explanation section for answer
عرض الإجابة
اجابة صحيحة: D
السؤال #30
Refer to the exhibit. Which show command shows statistics for the control plane policy and is used to troubleshoot?
A. how control-plane CoPP
B. how policy control-plane
C. how control-plane
D. how policy-map control-plane
عرض الإجابة
اجابة صحيحة: D
السؤال #31
A network engineer is implementing a QoS policy for outbound management tra c classi cation and marking on a CPE device with these requirements:Management protocols must be marked with DSCP AF class 2 with low drop probability. Monitoring protocols must be marked with DSCP AF class 1 with low drop probability.All remaining tra c must be marked with a DSCP value of 0.Which con guration must the engineer implement to satisfy the requirements?
A. olicy-map cpe-mgmt-policy class management set ip dscp af21 class monitoring set ip dscp af11 class class-default set ip dscp default end
B. olicy-map cpe-mgmt-policy class management set ip dscp af21 class monitoring set ip dscp af11 class class-default set ip dscp af0 end
C. olicy-map cpe-mgmt-policy class management set ip dscp af23 class monitoring set ip dscp af13 class class-default set ip dscp default end
D. olicy-map cpe-mgmt-policy class management set ip dscp af23 class monitoring set ip dscp af13 class class-default set ip dscp af0 end
عرض الإجابة
اجابة صحيحة: B
السؤال #32
Why do Cisco MPLS TE tunnels require a link-state routing protocol?
A. he link-state database provides segmentation by area, which improves the path-selection process
B. he link-state database provides a data repository from which the tunnel endpoints can dynamically select a source ID
C. ink-state routing protocols use SPF calculations that the tunnel endpoints leverage to implement the tunnel
D. he tunnel endpoints use the link-state database to evaluate the entire topology and determine the best path
عرض الإجابة
اجابة صحيحة: D
السؤال #33
Refer to the exhibit. An engineer has started to con gure 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 con guration? (Choose two.)
A. p access-list extended INFRA-ACL 15 permit tcp 192
B. p access-list extended INFRA-ACL no 10 15 permit tcp 192
C. p access-list extended INFRA-ACL 15 permit tcp 192
D. p access-list extended INFRA-ACL no 10 15 permit tcp 192
عرض الإجابة
اجابة صحيحة: AD
السؤال #34
A network engineer is deploying VPLS con guration between multiple PE routers so that customer's remote o ces have end-to-end LAN connectivity. Which additional con guration should the engineer perform on the PE routers to enable the virtual switch instance?
A. 2 v ciscotest manual vpn id 100 neighbor 192
B. nterface GigEthernet 1/1 switchport mode trunk switchport trunk encap dot1q switchport trunk allow vlan 2-10
C. nterface Vlan 5 xconnect v ciscotest
D. nterface Vlan 100 xconnect v ciscotest ip address 192
عرض الإجابة
اجابة صحيحة: D
السؤال #35
Refer to the exhibit. Assume all other con gurations are correct and the network is otherwise operating normally. Which conclusion can you draw about the neighbor relationship between routers R1 and R2?
A. 1 establishes TCP connections that are authenticated with a clear-text password
B. 1 establishes UDP connections that are authenticated with an MD5 password
C. 1 establishes UDP connections that are authenticated with a clear-text password
D. 1 establishes TCP connections that are authenticated with an MD5 password
عرض الإجابة
اجابة صحيحة: D
السؤال #36
Refer to the exhibit. Which command is used to complete this con guration for QoS class-based marking?
A. E-A(con g-pmap-c)#set dscp ef
B. E-A(con g-pmap-c)#priority
C. E-A(con g-pmap-c)#random-detect
D. E-A(con g-pmap-c)#fair-queue
عرض الإجابة
اجابة صحيحة: A
السؤال #37
What is the difference between SNMP and model-driven telemetry?
A. NMP uses the YANG data modeling language
B. elemetry uses traps and inform messages to deliver data to a network administrator on a polling basis
C. elemetry allows for modeled network data to be pushed to the network administrator on an as-needed basis
D. NMP pushes network data to the network administrator whenever it is queried
عرض الإجابة
اجابة صحيحة: C
السؤال #38
Which regular expression query modi er function indicates the start of a string?
A.
B.
C.
D. ^]
عرض الإجابة
اجابة صحيحة: B
السؤال #39
Refer to the exhibit. In which way does router R1 operate differently than router R2?
A. 1 sends LSA types 5 and 7, while R2 sends type 1, 2, and 7 LSAs
B. 1 sends LSA type 2 only, while R2 sends type 1 and type 7 LSAs
C. 1 sends LSA type 2 only and R2 sends LSA type 1 only
D. 1 sends LSA types 1 and 2, while R2 sends type 1,2, and 7 LSAs
عرض الإجابة
اجابة صحيحة: D
السؤال #40
Refer to the exhibit. What is the result of this con guration?
A. outer 1 opens and closes a TCP connection to the TACACS+ server every time a user requires authorization
B. outer 1 and the TACACS+ server maintain one open connection between them only when network administrator is accessing the router with password ciscotest
C. outer 1 and the TACACS+ server maintain one open connection between them
D. outer 1 opens and closes a TCP connection to the TACACS+ server every time a user requires authentication
عرض الإجابة
اجابة صحيحة: B
السؤال #41
What are two characteristics of MPLS TE tunnels? (Choose two.)
A. t guarantees a loop-free path for all areas con gured in OSPF
B. t guarantees a loop-free path for all interfaces in the OSPF super backbone
C. t applies only on the instance and makes all the interfaces inherit the con guration
D. t applies on the area and instance and makes all the interfaces inherit the con guration
عرض الإجابة
اجابة صحيحة: AD
السؤال #42
You are writing an RPL script to accept routes only from certain autonomous systems. Consider this code:RP/0/RP0/CPU0:router(con g-rpl)# if as-path in (ios-regex '.*77$')RP/0/RP0/CPU0:router(con g-rpl-if)# passRP/0/RP0/CPU0:router(con g-rpl-if)# endifIf you apply this code to BGP lters, which effect does the code have on your router?
A. enies routes from AS 7070
B. llows routes from AS 7077
C. enies routes from AS 7007
D. llows routes from AS 770
عرض الإجابة
اجابة صحيحة: B
السؤال #43
Which three OSPF parameters must match before two devices can establish an OSPF adjacency? (Choose three.)
A. he OSPF peer must use clear-text authentication
B. he OSPF peer must be con gured as an OSPF stub router
C. he interface on the OSPF peer may have a different key ID, but it must use the same key value as the con gured interface
D. he interface on the OSPF peer must use the same key ID and key value as the con gured interface
عرض الإجابة
اجابة صحيحة: BEF
السؤال #44
Which QoS model allows hosts to report their QoS needs to the network?
A. ntServ
B. B-WFQ
C. iffServ
D. QC
عرض الإجابة
اجابة صحيحة: A
السؤال #45
Which feature will an operator use while implementing MPLS TE on customer's network, to prevent an LSP from using any overseas links?
A. andwidth
B. LRG
C. xplicit path
D. nity
عرض الإجابة
اجابة صحيحة: D
السؤال #46
An engineer is implementing IGMP with SSM on a multicampus network that supports video streaming. Which task must the engineer perform as part of the process?
A. on gure an RP that uses static assignments only
B. on gure the network to use the PIM bsr-candidate
C. on gure the network to use bidirectional PIM
D. on gure the network to use IGMPv3
عرض الإجابة
اجابة صحيحة: D
السؤال #47
After implementing MPLS protocol for multiple VRFs on a single Cisco device, the engineer notices all VRFs on the router still do not have the LDP session protection feature enabled. Which con guration must the engineer apply to enable the LDP session protection feature for LDP neighbors within each VRF?
A. on gure LDP session protection globally on the device only
B. on gure LDP session protection within the individual VRFs
C. on gure LDP session authentication on the device to enable LDP session protection on each VRF automatically
D. on gure LDP session protection globally on the device and on each neighbor that requires session protection
عرض الإجابة
اجابة صحيحة: A
السؤال #48
Which protocol is used for communication between the PCE and PCC?
A. OP
B. EF
C. CEP
D. CMP
عرض الإجابة
اجابة صحيحة: C
السؤال #49
Refer to the exhibit. An engineer is preparing to implement data plane security con guration.Which statement about this con guration is true?
A. outer 2 is the router receiving the DDoS attack
B. outer 1 must be con gured with uRPF for the RTBH implementation to be effective
C. outer 1 is the trigger router in a RTBH implementation
D. outer 2 must con gure a route to null 0 for network 192
عرض الإجابة
اجابة صحيحة: C
السؤال #50
What is the function of the FEC eld within the OTN signal structure?
A. t allows the sending devices to apply QoS within the OTN forwarding structure
B. t allows deep inspection of data payload elds
C. t allows receivers to correct errors upon data arrival
D. t allows source nodes to discard payload errors before transmitting data on the network
عرض الإجابة
اجابة صحيحة: C
السؤال #51
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?
A. he NAT table contains a eld to identify the inside VRF of a translation
B. ultiple address pools are needed for the same L3VPN because each site has a separate NAT
C. he different L3VPNs using the Internet access must not have IP overlaps internally
D. sers in different VRFs cannot share the same outside global IP address
عرض الإجابة
اجابة صحيحة: A
السؤال #52
Refer to the exhibit. Router 1 and router 2 are running OSPF Area 0. The router logs on both routers show that the LDP link has apped. Which con guration must the engineer apply to the two routers to implement session protection on the link?
A. GP is deployed between the PEs and ABRs with RFC 9107
B. IGRP is deployed between the PEs and ABRs with RFC 9107
C. SPF is deployed between the PEs and ABRs with RFC 3107
D. S-IS is deployed between the PEs and ABRs with RFC 3107
عرض الإجابة
اجابة صحيحة: D
السؤال #53
Refer to the exhibit. Which statement about the status of the neighbor relationship between R1 and R2 is true?
A. he neighbor relationship is down because the two routers are con gured with different area types
B. he neighbor relationship is down because the two routers are in the same subnet
C. he neighbor relationship is up because R2 is level 1 and Ievel 2 router
D. he neighbor relationship is down because R2 is operating as a Level 1 router and the two routers are in different areas
عرض الإجابة
اجابة صحيحة: D
السؤال #54
How can shared services in an MPLS Layer 3 VPN provide Internet access to the Customers of a central service provider?
A. tatic routes on CE routers allow route leakage from a PE global routing table
B. he CE router can establish a BGP peering to a PE router and use the PE device to reach the Internet
C. he customer VRF uses route targets to import and export routes to and from a shared services VRF
D. oute distinguishers are used to identify the routes that CEs can use to reach the Internet
عرض الإجابة
اجابة صحيحة: C
السؤال #55
Refer to the exhibit. Which show command should be implemented to display per-interface statistics about uRPF drops and suppressed drops?
A. how cef interface
B. how ip tra c
C. how ip interface
D. how ip interface brief
عرض الإجابة
اجابة صحيحة: C
السؤال #56
Which CLI mode must be used to con gure the BGP keychain in Cisco IOS XR Software?
A. outing con guration mode
B. GP neighbor con guration mode
C. lobal con guration mode
D. GP address-family con guration mode
عرض الإجابة
اجابة صحيحة: C
السؤال #57
Refer to the exhibit. Router BRDR-1 is con gured to receive the 0.0.0.0/0 and 172.17.1.0/24 networks via BGP and advertise them into OSPF area0. An engineer has noticed that the OSPF domain is receiving only the 172.17.1.0/24 route and default route 0.0.0.0/0 is still missing. Which con guration must an engineer apply to resolve the problem?
A. outer ospf 1 redistribute bgp 65001 metric 100 route-policy BGP-TO-OSPF end
B. outer ospf 1 default-information originate end
C. outer ospf 1 default-metric 100 end
D. outer ospf 1 default-information originate always end
عرض الإجابة
اجابة صحيحة: B
السؤال #58
Refer to the exhibit. Which two topology changes happen to the IS-IS routers? (Choose two.)
A. route map with AS-PATH attribute to control the inbound tra c
B. n offset list to set the metric for routes received from neighboring autonomous systems
C. n access list to identify tra c and enable it on both of the provider-facing interfaces
D. route map with WEIGHT attribute to control the inbound tra c
عرض الإجابة
اجابة صحيحة: BD
السؤال #59
How can a network administrator secure rest APIs?
A. hey can have a general administrator login for multiple users to access that has command entries logged
B. hey can authenticate user sessions and provide the appropriate privilege level
C. hey can ensure that user sessions are authenticated using TACACS+ only
D. hey can allow read and write privileges to all users
عرض الإجابة
اجابة صحيحة: B
السؤال #60
Refer to the exhibit. An engineer is preparing to implement link aggregation con guration.Which statement about this con guration is true?
A. he switch port negotiates an EtherChannel if it receives LACP packets from a connected peer running passive mode
B. he switch port actively sends packets to negotiate an EtherChannel using PAgP
C. he switch port passively negotiates an EtherChannel if it receives PAgP packets from a connected peer
D. he switch port accepts LACP and PAgP packets from a connected peer and negotiate an EtherChannel using the common EtherChannel mode
عرض الإجابة
اجابة صحيحة: B
السؤال #61
Which two routing protocols support Cisco MPLS TE tunnels? (Choose two.)
A. outer 1(con g)# ip cef distributed Router 1(con g)# mpls ldp session protection global Router 2(con g)# ip cef distributed Router 2(con g)# mpls ldp session protection global
B. outer 1(con g)# ip cef distributed Router 1(con g)# interface gigabitethernet 0/0 Router 1(con g-if)# ip address 192
C. outer 1(con g)# ip cef distributed Router 1(con g)# interface gigabitethernet 0/0 Router 1(con g-if)# ip address 192
D. outer 1(con g)# ip cef distributed Router 1(con g)# interface gigabitethernet 0/0 Router 1(con g-if)# ip address 192
عرض الإجابة
اجابة صحيحة: DE
السؤال #62
Which statement about Network Services Orchestrator (NSO) is true?
A. t must use SDN as an overlay for addressing
B. t uses YANG modeling language to automate devices
C. t is used only in service provider environments
D. t can be used only with XML coding
عرض الإجابة
اجابة صحيحة: B
السؤال #63
Refer to the exhibit. A network engineer is implementing OSPF multiarea. Which command on interface G0/1 resolves adjacency issues in the new area?
A. p ospf network point-to-point
B. p ospf network broadcast
C. p ospf network non-broadcast
D. p ospf network point-to-multipoint
عرض الإجابة
اجابة صحيحة: A
السؤال #64
Refer to the exhibit. R1 is connected to two service providers and is under a DDoS attack. Which statement about this design is true if URPF in strict mode is con gured on both interfaces?
A. 1 drops all tra c that ingresses either interface that has a FIB entry that exits a different interface
B. 1 drops destination addresses that are routed to a null interface on the router
C. 1 permits asymmetric routing as long as the AS-PATH attribute entry matches the connected AS
D. 1 accepts source addresses on interface gigabitethernet0/1 that are private addresses
عرض الإجابة
اجابة صحيحة: A
السؤال #65
Which task must be performed rst to implement BFD in an IS-IS environment?
A. on gure BFD in an interface con guration mode
B. isable Cisco Express Forwarding on all interfaces running routing protocols other than IS-IS
C. on gure all IS-IS routers as Level 2 devices
D. on gure BFD under the IS-IS process
عرض الإجابة
اجابة صحيحة: D
السؤال #66
DRAG DROP (Drag and Drop is not supported).Drag and drop the functionalities from the left onto the correct target elds on the right.Select and Place:
A. ee Explanation section for answer
عرض الإجابة
اجابة صحيحة: A
السؤال #67
Refer to the exhibit. Router 1 is missing the route for the router 2 loopback 0. What should the engineer change to x the problem?
A. outer 1 to be an ABR
B. he wildcard mask network statement in OSPF of Router 2
C. he hello timers on Router 1 and Router 2 to be different
D. he area numbers on Router 1 and Router 2 to be similar
عرض الإجابة
اجابة صحيحة: D
السؤال #68
A remote operation center is deploying a set of I-BGP and E-BGP connections for multiple IOS-XR platforms using the same template. The I-BGP sessions exchange pre xes with no apparent issues, but the E-BGP sessions do not exchange routes. What causes this issue?
A. he I-BGP neighbors are mistyped and HELLO packets cannot be exchanged successfully between routers
B. he E-BGP neighbors are not allowed to exchange Information due to the customer platform's default policy
C. PASS ALL policy has not been implemented for the I-BGP neighbors
D. he next-hop-self command is not implemented on both E-BGP neighbors
عرض الإجابة
اجابة صحيحة: B
السؤال #69
Refer to the exhibit. What type of con guration is it?
A. t is con guration that requires OSPF to also be running to have optimized Cisco MPLS TE tunnels
B. t is con guration that requires a dynamic Cisco MPLS TE path to be con gured for the tunnel to run
C. t is con guration for the head-end router of a Cisco MPLS TE tunnel with segment routing
D. t is con guration that requires an explicit Cisco MPLS TE path to be con gured for the tunnel to run
عرض الإجابة
اجابة صحيحة: C
السؤال #70
Refer to the exhibit. A network operator recently con gured BGP FlowSpec for the internal IT network. What will be inferred from the con guration deployed on the network?
A. he policy is con gured locally on CSR1 and drops all tra c for TCP ports 80 and 443
B. he policy is con gured locally on CSR1 and currently has no active tra c
C. he policy is learned via BGP FlowSpec and drops all tra c for TCP ports 80 and 443
D. he policy is learned via BGP FlowSpec and has active tra c
عرض الإجابة
اجابة صحيحة: A
السؤال #71
Refer to the exhibit. Router 4 is added to the network and must be in the same area as router 1. Which NET should the engineer assign?
A. 9
B. 9
C. 9
D. 9
عرض الإجابة
اجابة صحيحة: D
السؤال #72
Which BGP attribute is used rst when determining the best path?
A. E-B(con g-if)#ip ospf message-digest-key 1 md5 44578611 PE-B(con g-if)#ip ospf authentication null
B. E-B(con g-if)#ip ospf message-digest-key 1 md5 44578611 PE-B(con g-if)#ip ospf authentication key-chain 44578611
C. E-B(con g-if)#ip ospf message-digest-key 1 md5 44568611 PE-B(con g-if)#ip ospf authentication null
D. E-B(con g-if)#ip ospf message-digest-key 1 md5 44578611 PE-B(con g-if)#ip ospf authentication message-digest
عرض الإجابة
اجابة صحيحة: D
السؤال #73
DRAG DROP (Drag and Drop is not supported).Refer to the exhibit. An engineer wants to determine which paths are best, second best, third best, and fourth best. Drag and drop the peer addresses on the left to the corresponding BGP best-path selection order on the right.Select and Place:
A. ee Explanation section for answer
عرض الإجابة
اجابة صحيحة: A
السؤال #74
Refer to the exhibit. What does the script con gure?
A. VLAN namespace
B. physical domain
C. electors for the in-band management
D. static VLAN
عرض الإجابة
اجابة صحيحة: A
السؤال #75
What is a characteristic of pre x segment identi er?
A. t contains the interface address of the device per each link
B. t contains a router to a neighbor
C. t is locally unique
D. t is globally unique
عرض الإجابة
اجابة صحيحة: D
السؤال #76
Refer to the exhibit. Which statement about this con guration is true?
A. t requires a dynamic Cisco MPLS TE path to be con gured for the tunnel to run
B. t requires OSPF to also be running to have optimized Cisco MPLS TE tunnels
C. t is the con guration for the head-end router of a Cisco MPLS TE tunnel with segment routing
D. t requires an explicit Cisco MPLS TE path to be con gured for the tunnel to run
عرض الإجابة
اجابة صحيحة: C
السؤال #77
DRAG DROP (Drag and Drop is not supported).Drag and drop the functions from the left onto the correct Path Computation Element Protocol roles on the right.Select and Place:
A. ee Explanation section for answer
عرض الإجابة
اجابة صحيحة: A
السؤال #78
Refer to the exhibit. An engineer is con guring multitopology IS-IS for IPv6 on router R1. Which additional con guration must be applied to the router to complete the task?
A. 1# con gure terminal R1(con g)# router isis area2 R1(con g-router)# address-family ipv6 R1(con g-router-af)# multi-topology
B. 1# con gure terminal R1(con g)# router isis area1 R1(con g-router)# metric-style wide level-2 R1(con g-router)# address-family ipv6 R1(con g-router-af)# multi-topology
C. 1# con gure terminal R1(con g)# router isis area2 R1(con g-router)# metric-style wide R1(con g-router)# address-family ipv6 R1(con g- router-af)# multi topology
D. 1# con gure terminal R1(con g)# router isis area1 R1(con g-router)# metric-style wide level-1 R1(con g-router)# address-family ipv6 R1(con g-router-af)# multi topology
عرض الإجابة
اجابة صحيحة: A
السؤال #79
A network engineer is con guring a newly installed PE router at the regional gateway location. The new PE router must use MPLS core routing protocols with the existing P router, and LDP sessions between the two routers must be protected to provide faster MPLS convergence. Which con guration must the engineer perform on the network so that LDP sessions are established?
A. nable RSVP-TE FRR on the LDP interface to protect the LDP session between routers
B. nable communication over TCP port 646 T-LDP hello messages
C. et the LDP session protection timer on each router to the same value
D. nable LDP session protection on either one of the routers, which allows them to autonegotiate
عرض الإجابة
اجابة صحيحة: D
السؤال #80
Which two IS-IS parameters must match before two Level 2 peers can form an adjacency? (Choose two.)
A. ore speci c route
B. irtual link between RB and RC
C. ham link
D. efault route
عرض الإجابة
اجابة صحيحة: BE

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