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السؤال #1
How is the LDP router ID used in an MPLS network?
A. he force keyword changes the router ID to the specified address without causing any impact
B. t not configured, the operational physical interface is chosen as the router ID even it a loopback is configured
C. he loopback with the highest IP address is selected as the router ID
D. he MPLS LDP router ID must match the IGP router ID
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #2
An engineer configured SNMP nonfictions sent to the management server using authentication and encrypting data with DES. An error in the response PDU is received as "UNKNOWNUSERNAME, WRONGDIGEST". Which action resolves the issue?
A. onfigure correct authentication and privacy passwords using SNMPv3 authNoPriv
B. onfigure correct authentication and privacy passwords using SNMPv3 authPriv
C. onfigure the correct authentication password using SNMPv3 authNoPriv
D. onfigure the correct authentication password using SNMPv3 authPriv
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #3
Which feature drops packets if the source address is not found in the snooping table?
A. Pv6 Source Guard
B. Pv6 Destination Guard
C. inding Table Recovery
D. Pv6 Prefix Guar
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #4
What is a function of BFD?
A. ailure detection dependent on routing protocols and media types
B. eer recovery after a Layer 2 adjacency failure
C. ailure detection independent of routing protocols and media types
D. eer recovery after a Layer 3 protocol adjacency failur
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #5
Which feature filters the IPv6 traffic on Layer 2 untrusted ports?
A. Pv6 RA Guard
B. inding Table Recovery
C. HCPv6 Guard
D. Pv6 Source Guar
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #6
What is a function of the IPV6 DHCP Guard feature for DHCP messages?
A. t blocks only DHCP request messages
B. f the device is configured as a DHCP server, no message is switched
C. nly access lists are supported for matching traffic
D. ll client messages are always switched regardless of the device role
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #7
What are the two reasons for RD and VPNv4 addresses in an MPLS Layer 3 VPN?
A. hey are used for a BGP session with the CE device
B. hen the PE redistributes customer routes into MP-BGP, they must be unique
C. hey are on a CE device to use for static configuration
D. D is prepended to each prefix to make routes unique
E. PN RT communities are used to identify customer unique routes
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #8
In which two ways does the IPv6 First-Hop Security Binding Table operate?
A. y the recovery mechanism to recover the binding table in the event of a device reboot
B. y IPv6 HSRP to make sure neighbors are authenticated before being used as gateways
C. y IPv6 routing protocols to securely build neighborships without the need of authentication
D. y various IPv6 guard features to validate the data link layer address
E. y storing hashed keys for IPsec tunnels for the built-in IPsec feature
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #9
When configuring Control Plane Policing on a router to protect it from malicious traffic, an engineer observes that the configured routing protocols start flapping on that device. Which action in the Control Plane Policy prevents this problem in a production environment while achieving the security objective?
A. et the conform-action and exceed-action to transmit initially to test the ACLs and transmit rates and apply the Control Plane Policy in the output direction
B. et the conform-action and exceed-action to transmit initially to test the ACLs and transmit rates and apply the Control Plane Policy in the input direction
C. et the conform-action to transmit and exceed-action to drop to test the ACLs and transmit rates and
D. pply the Control Plane Policy in the output direction
E. et the conform-action to transmit and exceed-action to drop to test the ACLs and transmit rates and apply the Control Plane Policy in the input direction
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #10
How are MPLS Layer 3 VPN services deployed?
A. he import and export RT values under a VRF must always be the same
B. he RD and RT values under a VRF must match on the remote PE router
C. he label switch path must be available between the local and remote PE routers
D. he RD and RT values must match under the VRF
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #11
Which function does LDP provide in an MPLS topology?
A. t exchanges routes for MPLS VPNs across different VRFs
B. t provides a means for LSRs to exchange IP routes
C. t provides hop-by-hop forwarding in an MPLS topology for LSRs
D. t enables a MPLS topology to connect multiple VPNs to P routers
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #12
How is VPN routing information distributed in an MPLS network?
A. t is controlled using of VPN target communities
B. he top level of the customer data packet directs it to the correct CE device
C. t is established using VPN IPsec peers
D. t is controlled through the use of RD
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #13
An engineer configured a Cisco router to send reliable and encrypted notifications for any events to the management server. It was noticed that the notification messages are reliable but not encrypted. Which action resolves the issue?
A. onfigure all devices for SNMPv3 informs with priv
B. onfigure all devices for SNMPv3 traps with priv
C. onfigure all devices for SNMPv3 informs with auth
D. onfigure all devices for SNMPv3 traps with auth
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #14
Which feature is used by LDP in the forwarding path within the MPLS cloud?
A. TL
B. DP
C. SP
D. P forwardin
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #15
What are two functions of MPLS Layer 3 VPNs?
A. packet with node segment ID is forwarded along with shortest path to destination
B. t is used for transparent point-to-multipoint connectivity between Ethernet links/sites
C. ustomer traffic is encapsulated in a VPN label when it is forwarded in MPLS network
D. GP is used for signaling customer VPNv4 routes between PE nodes
E. DP and BGP can be used for Pseudowire signaling
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #16
IPv6 is enabled in the infrastructure to support customers with an IPv6 network over WAN and to connect the head office to branch offices in the local network. One of the customers is already running IPv6 and wants to enable IPv6 over the DMVPN network infrastructure between the headend and branch sites.Which configuration command must be applied to establish an mGRE IPv6 tunnel neighborship?
A. unnel protection mode ipv6
B. pv6 unicast-routing
C. pv6 nhrp holdtime 30
D. unnel mode gre multipoint ipv
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #17
Which mechanism must be chosen to optimize the reconvergence time for OSPF that is less CPU-intensive than reducing the hello and dead timers?
A. ead Peer Detection keepalives
B. SPF demand circuit
C. SO
D. F
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #18
Which two protocols work in the control plane of P routers across the MPLS cloud?
A. CMP
B. DP
C. PLS OAM
D. SVP
E. S
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #19
A network engineer is investigating a flapping (up/down) interface issue on a core switch that is synchronized to an NTP server. Log output currently does not show the time of the flap. Which command allows the logging on the switch to show the time of the flap according to the clock on the device?
A. ervice timestamps log datetime localtime show-timezone
B. ervice timestamps log uptime
C. lock calendar-valid
D. lock summer time mst recurring 2 Sunday mar 2:00 1 Sunday nov 2:0
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #20
What is a role of route distinguishers in an MPLS network?
A. oute distinguishers make a unique VPNv4 address across the MPLS network
B. oute distinguishers are used for label bindings
C. oute distinguishers define which prefixes are imported and exported on the edge router
D. oute distinguishers allow multiple instances of a routing table to coexist within the edge router
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #21
Which method provides failure detection in BFD?
A. ong duration, high overhead
B. hort duration, low overhead
C. ong duration, low overhead
D. hort duration, high overhea
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #22
What is an advantage of MPLS Layer 3 VPN deployment?
A. ecurity is provided at the edge of the provider network through encryption
B. lanning and modifications are required for the customer intranet before migrating to Layer 3 VPN
C. calable VPNs are created using connection-oriented, point-to-point, or multipoint overlay connections
D. oS provides performance with policy and support for a best-efort service level in an MPLS VPN
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #23
How is VPN routing information distributed in an MPLS network?
A. t is controlled using of VPN target communities
B. he top level of the customer data packet directs it to the correct CE device
C. t is established using VPN IPsec peers
D. t is controlled through the use of RD
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #24
What does IPv6 Source Guard utilize to determine if IPv6 source addresses should be forwarded?
A. inding Table
B. CE
C. CLs
D. HC
عرض الإجابة
اجابة صحيحة: Correct An
السؤال #25
What are two purposes of using IPv4 and VPNv4 address-family configurations in a Layer 3 MPLS VPN?
A. D is prepended to the IPv4 route to make it unique
B. he VPNv4 address consists of a 64-bit route distinguisher that is prepended to the IPv4 prefix
C. P-BGP is used to allow overlapping IPv4 addresses between customers to advertise through the network
D. he IPv4 address is needed to tag the MPLS label
E. he VPNv4 address is used to advertise the MPLS VPN label
عرض الإجابة
اجابة صحيحة: Correct An

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