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خذ اختبارات أخرى عبر الإنترنت
السؤال #1
Which component is similar to an EVPN instance?
A. router distinguisher
B. MPLS label
C. IGP router ID
D. VRF
عرض الإجابة
اجابة صحيحة: D
السؤال #2
Why do Cisco MPLS TE tunnels require a link-state routing protocol?
A. The link-state database provides segmentation by area, which improves the path-selection process
B. The link-state database provides a data repository from which the tunnel endpoints can dynamically select a source ID
C. Link-state routing protocols use SPF calculations that the tunnel endpoints leverage to implement the tunnel
D. The tunnel endpoints use the link-state database to evaluate the entire topology and determine the best path
عرض الإجابة
اجابة صحيحة: D
السؤال #3
Refer to the exhibit. BGPsec is implemented on R1, R2, R3, and R4. BGP peering is established between neighboring autonomous systems. Which statement about implementation is true?
A. BGP updates from the iBGP peers are appended with a community of local-as
B. BGP updates from the all BGP peers are appended with a community of no-export
C. BGP updates from the eBGP peers are appended with an additional AS path value that is statically set by the domain administrator
D. BGP updates from the eBGP peers are appended with a BGPsec attribute sequence that includes a public key hash and digital signature
عرض الإجابة
اجابة صحيحة: D
السؤال #4
You are configuring MPLS traffic-engineering tunnels in the core. Which two ways exist for the tunnel path across the core? (Choose two.)
A. The dynamic path option is supported only with IS-IS
B. Tunnels can be configured with dynamic path or explicitly defined path
C. A zero bandwidth tunnel is not a valid option
D. The bandwidth statement creates a ג€hardג€ reservation on the link
E. Tunnel links inherit IGP metrics by default unless overridden
عرض الإجابة
اجابة صحيحة: BE
السؤال #5
Which configuration mode do you use to apply the mpls ldp graceful-restart command in IOS XE Software?
A. MPLS LDP neighbor
B. interface
C. MPLS
D. global
عرض الإجابة
اجابة صحيحة: D
السؤال #6
How much must the MTU be increased when configuring the 802.1q VLAN tag?
A. 2 bytes
B. 4 bytes
C. 8 bytes
D. 12 bytes
عرض الإجابة
اجابة صحيحة: B
السؤال #7
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. The NAT table contains a field to identify the inside VRF of a translation
B. Multiple address pools are needed for the same L3VPN because each site has a separate NAT
C. The different L3VPNs using the Internet access must not have IP overlaps internally
D. Users in different VRFs cannot share the same outside global IP address
عرض الإجابة
اجابة صحيحة: A
السؤال #8
You are writing an RPL script to accept routes only from certain autonomous systems. Consider this code: RP/0/RP0/CPU0:router(config-rpl)# if as-path in (ios-regex '.*77$') RP/0/RP0/CPU0:router(config-rpl-if)# pass RP/0/RP0/CPU0:router(config-rpl-if)# endif. If you apply this code to BGP filters, which effect does the code have on your router?
A. denies routes from AS 7070
B. allows routes from AS 7077
C. denies routes from AS 7007
D. allows routes from AS 770
عرض الإجابة
اجابة صحيحة: B
السؤال #9
An engineer is trying to implement BGP in a multihomed architecture. What must the engineer configure to influence inbound path selection?
A. A route map with AS-PATH attribute to control the inbound traffic
B. An offset list to set the metric for routes received from neighboring autonomous systems
C. An access list to identify traffic and enable it on both of the provider-facing interfaces
D. A route map with WEIGHT attribute to control the inbound traffic
عرض الإجابة
اجابة صحيحة: A
السؤال #10
Which statement about the Cisco MPLS TE forwarding adjacency feature is true?
A. It enables the MPLS core to use EIGRP as the routing protocol
B. It enables the Cisco MPLS TE tunnel to be advertised into the running IGP
C. It enables the tailend router to advertise routes to the headend router over the tunnel
D. It enables the headend and tailend routers to establish a bidirectional tunnel
عرض الإجابة
اجابة صحيحة: B
السؤال #11
While implementing TTL security, you issue the PE(config-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. to 2
B. from 2
C. to 2
D. from 2
عرض الإجابة
اجابة صحيحة: D

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