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السؤال #1
An engineering team must implement Unified MPLS to scale an MPLS network. Devices in the core layer use different IGPs, so the team decided to split the network into different areas. The team plans to keep the MPLS services as they are and introduce greater scalability. Which additional action must the engineers take to implement the Unified MPLS?
A. edistribute the IGP prefixes into another IGP to ensure end-to-end LSPs
B. ove the IGP prefixes into IS-IS as the loopback prefixes of the PE routers to distribute the prefixes to other to other routers to create end-to-end-to other routers to create end-to-end LSPs
C. onfigure the ABR routers as route reflectors that redistribute IGP into BGP
D. edistribute the IGP prefixes from one IGP into the other routers to ensure end-to-end LSPs
عرض الإجابة
اجابة صحيحة: C
السؤال #2
How does Cisco DNA Center enhance network automation?
A. t allows network administrators to combine voice and data networks into a single topology without manual configuration
B. t allows network administrators to reduce the number of VRFs in a multicustomer environment by automatically implementing a single VLAN per customer
C. t allows network administrators to quickly deploy Cisco Layer 2 devices without requiring STP and broadcast transport
D. t allows network administrators to reduce inconsistencies when they deploy and validate network configurations
عرض الإجابة
اجابة صحيحة: D
السؤال #3
What is the function of Cisco NFV infrastructure platform?
A. t offers decentralized logging
B. t offers consistent performance
C. t does not have a security audit feature
D. t does not offer high availability
عرض الإجابة
اجابة صحيحة: B
السؤال #4
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 #5
Which type of attack is an application attack?
A. ing of death
B. YN flood
C. CMP (ping) flood
D. TTP floo
عرض الإجابة
اجابة صحيحة: D
السؤال #6
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?
A. nmp-server enable traps isdn snmp-server host 192
B. nmp-server enable traps
C. nmp-server host 192
D. nmp-server enable traps bgp
E. nmp-server host 192
F. nmp-server enable traps entity snmp-server host 192
عرض الإجابة
اجابة صحيحة: B
السؤال #7
Which function does RSVP perform in a Cisco MPLS TE environment?
A. t reserves the bandwidth along the path between the head-end and tail-end router
B. t signals to LDP protocol along the path that a Cisco MPLS TE will be configured
C. t reserves bandwidth for LDP sessions between routers participating in a Cisco MPLS TE
D. t establishes targeted LDP sessions between neighbors that are directly connected
عرض الإجابة
اجابة صحيحة: A
السؤال #8
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 #9
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
السؤال #10
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 #11
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 #12
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 #13
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 #14
What is an enhancement that Cisco IOS XE Software has over Cisco IOS Software?
A. t is built on a QNX Neutrino Microkernel
B. t supports symmetric multiprocessing
C. t allows all processes to use the same pool of memory
D. t runs on a 32-bit operating system
عرض الإجابة
اجابة صحيحة: B
السؤال #15
An engineering team must implement Unified MPLS to scale an MPLS network. Devices in the core layer use different IGPs, so the team decided to split the network into different areas. The team plans to keep the MPLS services as they are and introduce greater scalability. Which additional action must the engineers take to implement the Unified MPLS?
A. edistribute the IGP prefixes into another IGP to ensure end-to-end LSPs
B. ove the IGP prefixes into IS-IS as the loopback prefixes of the PE routers to distribute the prefixes to other to other routers to create end-to-end-to other routers to create end-to-end LSPs
C. onfigure the ABR routers as route reflectors that redistribute IGP into BGP
D. edistribute the IGP prefixes from one IGP into the other routers to ensure end-to-end LSPs
عرض الإجابة
اجابة صحيحة: C
السؤال #16
How does Cisco DNA Center enhance network automation?
A. t allows network administrators to combine voice and data networks into a single topology without manual configuration
B. t allows network administrators to reduce the number of VRFs in a multicustomer environment by automatically implementing a single VLAN per customer
C. t allows network administrators to quickly deploy Cisco Layer 2 devices without requiring STP and broadcast transport
D. t allows network administrators to reduce inconsistencies when they deploy and validate network configurations
عرض الإجابة
اجابة صحيحة: D
السؤال #17
What is the function of Cisco NFV infrastructure platform?
A. t offers decentralized logging
B. t offers consistent performance
C. t does not have a security audit feature
D. t does not offer high availability
عرض الإجابة
اجابة صحيحة: B
السؤال #18
Which type of attack is an application attack?
A. ing of death
B. YN flood
C. CMP (ping) flood
D. TTP floo
عرض الإجابة
اجابة صحيحة: D
السؤال #19
A network architect decides to expand the scope of the multicast deployment within the company network. The network is already using PIM-SM with a static RP that supports a high-bandwidth, video-based training application that is 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?
A. mplement BSR to support dynamic RP notification
B. eploy ICMP to improve multicast reachability across the network using static RP
C. onfigure IGMP to manage the multicast hosts on each LAN
D. mplement STP to improve switching performance for multicast data
عرض الإجابة
اجابة صحيحة: A
السؤال #20
When Cisco IOS XE REST API uses HTTP request methods, what is the purpose of a PUT request?
A. etrieves the specified resource or representation
B. ubmits data to be processed to the specified resource
C. pdates the specified resource with new information
D. reates a new resourc
عرض الإجابة
اجابة صحيحة: C
السؤال #21
According to RFC5305 on IS-IS extensions for traffic engineering, what is the 4-octet sub-TLV type 10 of extended IS-IS reachability TLV type 22?
A. Pv4 neighbor address
B. E default metric
C. aximum reservable link bandwidth
D. dministrative group (color
عرض الإجابة
اجابة صحيحة: C
السؤال #22
Which feature describes the weight parameter for BGP path selection?
A. ts default value is 0
B. ts value is local to the router
C. ts value is global to the router
D. ts value is set either locally or globally
عرض الإجابة
اجابة صحيحة: B
السؤال #23
What is the benefit of implementing model-driven telemetry in a service provider environment?
A. t uses reliable transport to push information to network monitoring tools
B. t reduces or eliminates the need to monitor Layer 2 traffic between switches
C. t reduces the number of network monitoring tools that are necessary to verify device statistics
D. t increases the efficiency of SNMP by pulling system data to requesting servers
عرض الإجابة
اجابة صحيحة: A
السؤال #24
A mid-size service provider uses L2VPN as its standard for connectivity between offices. A small company wants the service provider to connect the company's two sites across the service provider core. To meet service requirements, the service provider must extend the Layer 2 domain between the company's two locations. Which configuration must the engineer apply to implement an attachment circuit between the two sites using a VLAN tag of 12?
A. nterface TenGigEo/0/0/1
B. ewrite ingress tag push dot1q 21 symmetric
C. nterface TenGigE0/0/0/1
D. ewrite ingress tag pop 13
E. nterface TenGigE0/0/0/1
F. ewrite ingress tag translate 1-to-1 dot1q 2
G. nterface TenGigE0/0/0/1
عرض الإجابة
اجابة صحيحة: D
السؤال #25
What is a characteristic of the Pipe model for MPLS QoS?
A. he same QoS policy is applied to all customer traffic on the egress PE
B. he DSCP value determines how the packet is forwarded
C. he MPLS EXP bits are set by the CE
D. f the outer EXP is changed, it is copied to the DSCP value
عرض الإجابة
اجابة صحيحة: A
السؤال #26
A network operator working for a telecommunication company is trying to implement BFD configuration on an existing network of Cisco devices. Which task must the engineer perform to enable BFD on the interfaces?
A. emove any static routes that point to the interfaces
B. isable SSO on the interfaces
C. isable Cisco Express Forwarding on the interfaces
D. emove the log option from any ACLs on the interfaces
عرض الإجابة
اجابة صحيحة: D
السؤال #27
After frequent issues with link failure between buildings on their main campus, a large company is implementing BFD to provide fast failure detection. The network engineer performing the implementation is told that the failures occur most commonly when large amounts of data are transferred. Which action must the engineer take?
A. mplement inverse ARP to map Layer 2 addresses properly for faster convergence
B. mplement a routing protocol that supports BFD and enables fast convergence
C. mplement Cisco Express Forwarding to exclude routers that do not support BFD
D. mplement MPLS to allow label switching to store routing decisions
عرض الإجابة
اجابة صحيحة: C
السؤال #28
Which protocol should be used to cancel a configuration request when the request has failed with YANG?
A. NMP
B. Flow
C. PFIX
D. ETCON
عرض الإجابة
اجابة صحيحة: D
السؤال #29
Network devices in the core layer use different IPs, and the network is split into several areas. The engineer must use a NETCONF operation to load a full interface configuration on multiple Cisco devices to ensure that they meet company standards. The devices must work over SSH from the Linux jump server. Which action meets the configuration requirements?
A. se the NETCONF operation to load the configuration and verify that TCP port 22 is open
B. rom the Linux server to the routers
C. se the NETCONF operation to load the configuration and verify that TCP port 830 is open from the Linux server to the routers
D. se the NETCONF operation to load the configuration and verify that TCP port 830 is open from the Linux server to the routers
E. se the NETCONF operation to load the configuration and verify that TCP port 22 is open from the Linux server to the routers
عرض الإجابة
اجابة صحيحة: B
السؤال #30
Which OSPF LSA should be used as an extension to support MPLS TE?
A. ummary
B. ulticast OSPF
C. outer
D. paqu
عرض الإجابة
اجابة صحيحة: D

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