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QUESTION 180
In a frame, the MPLS label is imposed where?
A. Before the layer 2 header
B. Within the Layer 3 header
C. After the Layer3 header and before Layer2 header
D. After the Layer2 header and before Layer3 header
Answer: D
QUESTION 181
A Service Provider provides a Layer 2 connection that is based on IEEE 802.1ad. When the customer tries to access a switch at the other side of the link by using SSH, the connection fails. What is the cause of this failure?
A. The Service Provider omitted the command l2protocol-tunnel stp.
B. The Service Provider omitted the command l2protocol-tunnel vtp.
C. The Service Provider omitted the command vlan dot1q tag native.
D. The Service Provider omitted the command spanning-tree bpdufilter enable.
Answer: C
Explanation:
https://ccieblog.co.uk/qinq/802-1q-tunnelling-qinq
QUESTION 182
Forwarding Equivalence Class (FEC) corresponds to which four of these? (Choose four).
A. Layer 2 circuits (ATM, FR, PPP, HDLC, Ethernet
B. Groups of addresses/sites-VPN
C. IPSEC Encryption Algorithm
D. A bridge/switch instance-VSI
E. Tunnel interface-traffic engineering
Answer: ABDE
QUESTION 183
A telecom company offers ISPs the ability to resell dynamic IP broadband services over its local loops, but it does not allow the resellers to install broadband network gateways. If an ISP wants to become a reseller but is unable to use NHRP, which tunneling protocol should be implemented?
A. IP in IP
B. IPsec
C. L2TP
D. GRE
Answer: C
Explanation:
However, while OpenVPN can not be used with VoIP, L2TP can be used for VoIP. Only use this if OpenVPN is not available and you are in need of very high security/encryption.
QUESTION 184
Which four of these are MPLS label header fields? (Choose four.)
A. Label
B. VPI VCI
C. EXP
D. TTL
E. FCS
F. S flag
Answer: ACDF
QUESTION 185
Drag and Drop Questions
Drag the ISIS packet types to correct type definition.
Answer:
QUESTION 186
The OSPF External LSA for prefix x.x.x.x exists in the OSPF database, but the prefix is not installed in the routing table. Which are possible explanations? (Choose three)
A. ASBR originating the LSA is not reachable.
B. Route to the Forwarding Address is an internal OSPF route.
C. Inbound distribute-list is configured under the ospf process and it is denying x.x.x.x
D. Route to the ASBR does not follow the same path as the one to the Forwarding Address.
E. Route to the Forwarding Address is not an internal OSPF route.
Answer: ACE
QUESTION 187
Refer to the exhibit. The configuration in the exhibit redistributes static route 172.16.0.0/24 into BGP. Which action does the route-map STATIC-TO-BGP do?
A. Route 172.16.0.0/24 cannot be sent to the Internet.
B. Route 172.16.0.0/24 cannot be re-advertised beyond its neighbors.
C. Route 172.16.0.0/24 cannot be advertised outside of AS 100.
D. Route 172.16.0.0/24 cannot be exported from BGP to another protocol.
Answer: C
QUESTION 188
Drag and Drop Questions
Drag and drop the IOS XR NTP access group options on the left to the right from the least restrictive (top) to the most restrictive order (bottom).
Answer:
QUESTION 189
Based on the following output in a router A running LDP, which statement is true?
A. None of the above.
B. The IP address 50.0.0.1/32 is assigned to the non-directly connected LDP neighbor,
50.0.0.4.
C. The IP address 50.0.0.1/32 is assigned to one of its own interfaces.
D. The IP address 50.0.0.1/32 is assigned to its directly connected LDP neighbor, 50.0.0.4.
Answer: C
QUESTION 190
Which three components are included in the Cisco IOS XR infrastructure? (Choose three.)
A. modular line cards
B. shelf controllers
C. route processors
D. service processors
E. distributed service cards
Answer: BCD
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