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خذ اختبارات أخرى عبر الإنترنت
السؤال #1
Which benefit is provided by FRR?
A. t provides performance data for the service provider network
B. t provides rapid failure detection between forwarding engines
C. t protects Cisco MPLS TE LSPs from link and node failures
D. t provides fast forwarding path failure detection times for all media
عرض الإجابة
اجابة صحيحة: C
السؤال #2
What is a characteristic of MVPN?
A. t creates GRE tunnels to route multicast traffic over a service provider IP core
B. t allows VRF traffic to use the service provider MPLS VPN to route multicast traffic
C. t uses pseudowires to route unicast and broadcast traffic over either a service provider MPLS or IP core
D. t bypasses the use of MPLS in the service provider core and transmits packets using IP only
عرض الإجابة
اجابة صحيحة: B
السؤال #3
How does SR policy operate in Segment Routing Traffic Engineering?
A. n active SR policy installs a BSID-keyed entry in the forwarding table to steer the packets that match the entry to the SR policy SID-list
B. n SR policy for color and endpoint is deactivated at the headend as soon as the headend learns a valid candidate path for the policy
C. hen a set of SID lists is associated with the SR policy designated path, traffic steering is ECMP-based according to the qualified cost of each SID-list
D. hen "invalidation drop" behavior occurs, the SR policy forwarding entry is removed and the router drops all traffic that is steered into the SR policy
عرض الإجابة
اجابة صحيحة: A
السؤال #4
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 PE 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?
A. onfigure the mpls ldp session protection and mpls label protocol ldp commands on the new PE router that connect to the CE routers
B. onfigure the new PE router with the mpls ldp session protection command on interfaces with directly connected neighbors
C. onfigure the new PE router with the mpls ldp session protection command and on neighboring routers that connect to this new PE router
D. onfigure the mpls ldp discovery targeted-hello accept and mpls ldp session protection
E. ommands on the interfaces on the new PE router that connect to the CE routers
عرض الإجابة
اجابة صحيحة: C
السؤال #5
An engineer must implement QoS to prioritize traffic that requires better service throughout the network. The engineer stated by configuring a class map to identify the high-priority traffic. Which additional tasks must the engineer perform to implement the new QoS policy?
A. ttach the class map to a policy map that designates the action to be taken on the classified traffic and then attach the policy map to an interface using a service policy
B. ttach the class map to a policy map that sets the minimum bandwidth allocated to the classified traffic and designates the action to be taken on the traffic
C. ttach the class map to a policy map within a VRF to segregate the high-priority traffic and then attach the policy map to an interface in another VRF
D. reate a route map to manipulate the routes that are entered into the routing table and then attach the route map to an interface using a service policy
عرض الإجابة
اجابة صحيحة: A
السؤال #6
How does Inter-AS Option-A function when two PE routers in different autonomous systems are directly connected?
A. he two routers establish an MP-EBGP session to share their customers' respective VPNv4 routes
B. he two routers share all lnter-ASVPN4 routes and redistribute routes within an IBGP session to provide end-to-end reach
C. he two routers share VPN4 routes over a multihop EBGP session and set up an Inter-AS tunnel using one another's label
D. he two routers treat one another as CE routers and advertise unlabeled Pv4 routes through an EBGP session
عرض الإجابة
اجابة صحيحة: D
السؤال #7
What occurs when a high bandwidth multicast stream is sent over an MVPN using Cisco hardware?
A. data and default MDT are created to flood the multicast stream out of all PIM-SM neighbors
B. he traffic uses the default MDT to transmit the data only if it is a (S, G) multicast route entry
C. data MDT is created to if it is a (*, G) multicast route entries
D. data MDT is created to allow for the best transmission through the core for (S, G) multicast route entries
عرض الإجابة
اجابة صحيحة: D
السؤال #8
Which condition must be met for Tl-LFA to protect LDP traffic?
A. he protected destination must have an associated LDP label and prefix-SID
B. or single-segment protection, the PQ node must be LDP and SR-capable
C. or double-segment protection, the P and Q nodes must be SR-capable
D. he point of local repair must be LDP-capable
عرض الإجابة
اجابة صحيحة: C
السؤال #9
After a series of unexpected device failures on the network, a Cisco engineer is deploying NSF on the network devices so that packets continue to be forwarded during switchovers. The network devices reside in the same building, but they are physically separated into two different datacenters. Which task must the engineer perform as part of the deployment?
A. mplement VRFs and specify the forwarding instances that must remain active during failover
B. mplement OSPF to maintain the link-state database during failover
C. mplement Cisco Express Forwarding to provide forwarding during failover
D. mplement an L2VPN with the failover peer to share state information between the active and standby devices
عرض الإجابة
اجابة صحيحة: C
السؤال #10
What is a feature of model-driven telemetry?
A. t uses the pull model to send requested data to a client when polled
B. t uses the push model to stream data to desired destinations
C. t is less secure because it uses community strings
D. t occasionally streams to multiple servers in the network
عرض الإجابة
اجابة صحيحة: B
السؤال #11
What is a characteristic of the YANG model?
A. ssociate types are optional for each leaf
B. t uses containers to categorize related nodes
C. t is a distributed model of nodes
D. pines are used to represent individual attributes of nodes
عرض الإجابة
اجابة صحيحة: B
السؤال #12
What is one of the differences between Ansible and Chef?
A. nsible uses YAML and Chef uses Ruby
B. nsible uses Ruby and Chef uses Python
C. hef is highly scalable and Ansible is highly secure
D. hef requires the use of Windows in the environment and Ansible requires Linux
عرض الإجابة
اجابة صحيحة: A
السؤال #13
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?
A. et the BGP restart-time to 120 seconds and the BGP ha-mode sso to 360 seconds
B. et the BGP restart-time to 120 seconds and the stalepath-time to 360 seconds
C. et the stalepath-time to 120 seconds and the BGP restart-time to 360 seconds
D. et the BGP ha-mode sso to 120 seconds and the BGP restart-time to 360 seconds
عرض الإجابة
اجابة صحيحة: B
السؤال #14
In an EVPN operation, how does the PE determine and advertise Ethernet segment reachability?
A. he PE discovers the remote PEs in the EVI and builds a flood list linked with the EVI
B. he PE discovers other PEs in the same Ethernet segment and elects a DF
C. he PE discovers and shares routing information for the B-MAC addresses associated with local
D. thernet segments
E. he PE discovers remote ESIs and determines their redundancy mode
عرض الإجابة
اجابة صحيحة: D
السؤال #15
Which programmable API allows the service provider to plan and optimize the automation of network operations and achieve closed-loop operations?
A. rosswork Network Automation
B. AN Automation Engine
C. volved Programmable Network Manager
D. etwork Services Orchestrato
عرض الإجابة
اجابة صحيحة: B
السؤال #16
Which core component of MDT describes the data that an MDT-capable device streams to a collector?
A. ubscription
B. ncoder
C. ensor path
D. ransport protoco
عرض الإجابة
اجابة صحيحة: C
السؤال #17
What is the purpose of RSVP tear messages?
A. o confirm successful end-to-end resource allocation
B. o inform the headend router of LSP issues
C. o reuse router resources for other reservation requests
D. o notify the tail-end router of resource unavailability on the transit route
عرض الإجابة
اجابة صحيحة: C
السؤال #18
Why is the keyword none needed when implementing management plane security using TACACS+?
A. t allows the local database to authenticate when the TACACS+ server is unreachable
B. t allows the router to query a RADIUS server when the TACACS+ server is unreachable
C. t allows authentication to succeed when the TACACS+ server is unreachable
D. t prevents all users from accessing router 1 unless the TACACS+ server is reachable
عرض الإجابة
اجابة صحيحة: D
السؤال #19
Which role does the Adjacency-SID sub-TLV extension perform in the IS-IS routing protocol?
A. t is advertised within TLV-22 (Extended IS Reachability) to label a specific link in a segment routing domain
B. t is advertised within TLV-24 (IS-IS Neighbor Adjacency Attribute) to label a specific adjacency between Level 1 routers within one IS-IS area
C. t is advertised within TLV-145 (IS-IS Prefix Reachability Information) to label host prefixes on loopback interfaces on Level 2 routers within one IS-IS area
D. t is advertised within TLV-136 (Extended IP Reachability) to label a specific node in the network
عرض الإجابة
اجابة صحيحة: A
السؤال #20
Which capability does the MPLS TE FRR facility backup protection method provide?
A. ssigning a backup TE LSP tunnel to the protected node at the headend of the protected TE LSP
B. efining the set of characteristics for the backup TE LSP
C. everaging label stacking to protect selected TE LSPs using a single backup TE LSP
D. reating a bypass LSP for each protected LSP at each point of local repai
عرض الإجابة
اجابة صحيحة: D
السؤال #21
How does Cisco MPLS TE use OSPF extensions to allow for optimized transit between a headend router and a destination router?
A. SBR Summary LSAs share OSPF domain information so that the two routers know how to reach each other during tunnel setup
B. paque LSAs calculate and establish unidirectional tunnels that are set according to the network constraint
C. etwork LSAs share RSVP information to build the tunnel between the two routers
D. outer LSAs share router link advertisements to each router within the MPLS environment so that tunnels can be built bidirectionally
عرض الإجابة
اجابة صحيحة: B
السؤال #22
An engineer must apply an 802.1ad-compliant configuration to a new switchport with these requirements:The switchport must tag all traffic when it enters the port.The switchport is expected to provide the same level of service to traffic from any customer VLAN. Which configuration must the engineer use?
A. nterface GigabitEthernet1/0/1 ethernet dot1ad uni s-port service instance 12 encapsulation default
B. ewrite ingress tag push dot1ad 21 symmetric bridge-domain 12
C. nterface GigabitEthernet1/0/1 ethernet dot1ad uni c-port service instance 12 encapsulation dot1q
D. ewrite ingress tag push dot1ad 21 symmetric bridge-domain 12
E. nterface GigabitEthernet1/0/1 switchport mode trunk
F. witchport trunk encapsulation dot1q encapsulation ISL
G. ridge-domain 12
H. nterface GigabitEthernet1/0/1 ethernet dot1ad nni
عرض الإجابة
اجابة صحيحة: A
السؤال #23
An engineer must implement QoS to prioritize traffic that requires better service throughout the network. The engineer stated by configuring a class map to identify the high-priority traffic. Which additional tasks must the engineer perform to implement the new QoS policy?
A. ttach the class map to a policy map that designates the action to be taken on the classified traffic and then attach the policy map to an interface using a service policy
B. ttach the class map to a policy map that sets the minimum bandwidth allocated to the classified traffic and designates the action to be taken on the traffic
C. ttach the class map to a policy map within a VRF to segregate the high-priority traffic and then attach the policy map to an interface in another VRF
D. reate a route map to manipulate the routes that are entered into the routing table and then attach the route map to an interface using a service policy
عرض الإجابة
اجابة صحيحة: A
السؤال #24
How does Inter-AS Option-A function when two PE routers in different autonomous systems are directly connected?
A. he two routers establish an MP-EBGP session to share their customers' respective VPNv4 routes
B. he two routers share all lnter-ASVPN4 routes and redistribute routes within an IBGP session to provide end-to-end reach
C. he two routers share VPN4 routes over a multihop EBGP session and set up an Inter-AS tunnel using one another's label
D. he two routers treat one another as CE routers and advertise unlabeled Pv4 routes through an EBGP session
عرض الإجابة
اجابة صحيحة: D
السؤال #25
What is a feature of model-driven telemetry?
A. t uses the pull model to send requested data to a client when polled
B. t uses the push model to stream data to desired destinations
C. t is less secure because it uses community strings
D. t occasionally streams to multiple servers in the network
عرض الإجابة
اجابة صحيحة: B
السؤال #26
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 PE 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?
A. onfigure the mpls ldp session protection and mpls label protocol ldp commands on the new PE router that connect to the CE routers
B. onfigure the new PE router with the mpls ldp session protection command on interfaces with directly connected neighbors
C. onfigure the new PE router with the mpls ldp session protection command and on neighboring routers that connect to this new PE router
D. onfigure the mpls ldp discovery targeted-hello accept and mpls ldp session protection
E. ommands on the interfaces on the new PE router that connect to the CE routers
عرض الإجابة
اجابة صحيحة: C
السؤال #27
A network engineer is configuring RIP as the routing protocol between multiple PEs and CEs. The engineer must avoid advertising the same routes back to their sources. Which action should be performed on the routers to accomplish this task?
A. onfigure a different route distinguisher for each prefix
B. nable bidirectional forwarding detection on each device
C. efine VRFs on each device to separate the traffic
D. efine the site of origin on each interface
عرض الإجابة
اجابة صحيحة: D
السؤال #28
What is the role of NSO?
A. aintains data storage
B. rovides public cloud services for customers that need Internet access
C. rovides network monitoring services for Layer 3 devices
D. ontrols the turn-up of a device
عرض الإجابة
اجابة صحيحة: D
السؤال #29
Which two features describe TI-LFA?
A. I-LFA leverages the post-convergence path that carries data traffic after a failure
B. nlike RLFA TI-LFA works without the PQ node and provides double segment failure protection
C. l-LFA uses PQ or P and Q nodes on the post-convergence path to compute the backup path
D. I-LFA works with point of local repair when the PQ node supports only LDP capability
E. ost-convergence, T-LFA considers the next-hop neighbor to calculate the backup repair path
عرض الإجابة
اجابة صحيحة: AC
السؤال #30
What are two features of stateful NAT64?
A. t requires the lPv6 hosts to use either DHCPv6-based address assignments or manual address assignments
B. t provides 1:N translations, so it supports an unlimited number of endpoints
C. t provides 1:1 translation, so it supports a limited number of endpoints
D. t requires IPv4-translatable IPv6 address assignments
E. t uses address overloading
عرض الإجابة
اجابة صحيحة: BE

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