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Which of the following statements regarding IS-IS LSP fragment extension is true?

A.
LSP fragment extension enables an IS-IS router to generate multiple LSP fragments to carry more IS-IS information.
A.
LSP fragment extension enables an IS-IS router to generate multiple LSP fragments to carry more IS-IS information.
Answers
B.
An IS-IS router can generate a maximum of 1024 LSP fragments.
B.
An IS-IS router can generate a maximum of 1024 LSP fragments.
Answers
C.
LSP fragment extension is implemented by adding virtual systems, with a maximum of 1000 virtual systems supported.
C.
LSP fragment extension is implemented by adding virtual systems, with a maximum of 1000 virtual systems supported.
Answers
D.
LSP fragment extension is also valid for Hello PDUs.
D.
LSP fragment extension is also valid for Hello PDUs.
Answers
Suggested answer: A

Which of the following statements regarding IS-IS route summarization is true?

A.
Route summarization can be configured and takes effect on all types of routers.
A.
Route summarization can be configured and takes effect on all types of routers.
Answers
B.
Route summarization takes effect only on Level-2 routers.
B.
Route summarization takes effect only on Level-2 routers.
Answers
C.
Route summarization takes effect only on Level-1 routers.
C.
Route summarization takes effect only on Level-1 routers.
Answers
D.
Route summarization takes effect only on Level-1-2 routers.
D.
Route summarization takes effect only on Level-1-2 routers.
Answers
Suggested answer: A

Explanation:

Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100069334/8552081d/configuring-is-is-route-summarization

Which of the following statements is true according to the topology shown?

A.
Routing entries 10.0.3.3/32 and 10.0.0.0/16 exist in the IP routing table of R1.
A.
Routing entries 10.0.3.3/32 and 10.0.0.0/16 exist in the IP routing table of R1.
Answers
B.
Routing entries 10.0.2.2/32 and 10.0.3.3/32 exist in the IP routing table of R1.
B.
Routing entries 10.0.2.2/32 and 10.0.3.3/32 exist in the IP routing table of R1.
Answers
C.
Because routing summarization is configured on R2, only the routing entry 10.0.0.0/16 exists in the IP routing table of R1.
C.
Because routing summarization is configured on R2, only the routing entry 10.0.0.0/16 exists in the IP routing table of R1.
Answers
D.
Routing entries 10.0.2.2/16 and 10.0.0.0/16 exist in the IP routing table of R1.
D.
Routing entries 10.0.2.2/16 and 10.0.0.0/16 exist in the IP routing table of R1.
Answers
Suggested answer: C

Which of the following statements regarding BGP attributes is true?

A.
A route can have only one value for the Community attribute.
A.
A route can have only one value for the Community attribute.
Answers
B.
The number of the neighboring AS is displayed to the right of the AS_path list of a BGP routing entry.
B.
The number of the neighboring AS is displayed to the right of the AS_path list of a BGP routing entry.
Answers
C.
The Local_Pref attribute is exchanged only between EBGP peers and is not advertised other Ass.
C.
The Local_Pref attribute is exchanged only between EBGP peers and is not advertised other Ass.
Answers
D.
When advertising a route learned from an EBGP peer to an IBGP peer, the BGP speaker does not change the Next_Hop attribute of the route.
D.
When advertising a route learned from an EBGP peer to an IBGP peer, the BGP speaker does not change the Next_Hop attribute of the route.
Answers
Suggested answer: D

Many transition technologies have been adopted to replace IPv4 addresses on networks with IPv6 addresses. These technologies are categorized into IPv4/IPv6 coexistence technologies and IPv4/IPv6 interoperability technologies. Which of the following technologies are considered to be IPv4/IPv6 coexistence technologies?

A.
NAT64
A.
NAT64
Answers
B.
ISATAP
B.
ISATAP
Answers
C.
IPv6 over IPv4
C.
IPv6 over IPv4
Answers
D.
Dual Stack
D.
Dual Stack
Answers
Suggested answer: D

Does the following figure correctly show the process of obtaining the link-layer address using NDP?

A.
TRUE
A.
TRUE
Answers
B.
FALSE
B.
FALSE
Answers
Suggested answer: A

You are assigned the task of compressing an IPv6 address as much as possible. If the original IPv6 address is 2013:0000:130F:0000:0000:09C0:876A:130B, which of the following is the IPv6 address in its compressed format?

A.
213::13F::9C0:876A:13B
A.
213::13F::9C0:876A:13B
Answers
B.
2013::130F::09C0:876A:130B
B.
2013::130F::09C0:876A:130B
Answers
C.
2013:130F:0:0:9C0:876A:130B
C.
2013:130F:0:0:9C0:876A:130B
Answers
D.
2013:0:130F:0:0:09C0:876A:130B
D.
2013:0:130F:0:0:09C0:876A:130B
Answers
E.
2013:0:130F::09C0:876A:130B
E.
2013:0:130F::09C0:876A:130B
Answers
Suggested answer: E

Which of the following statements regarding the packet processing method in the MPLS network model are false?

A.
The device discards IP packets that enter the MPLS domain.
A.
The device discards IP packets that enter the MPLS domain.
Answers
B.
An LSR does not remove any label.
B.
An LSR does not remove any label.
Answers
C.
A Label Switched Path (LSP) is determined and established through various protocols during the packet forwarding process.
C.
A Label Switched Path (LSP) is determined and established through various protocols during the packet forwarding process.
Answers
D.
Both LERs and LSRs distribute labels.
D.
Both LERs and LSRs distribute labels.
Answers
Suggested answer: A

On an intra-AS MPLS BGP VPN, data packets are encapsulated with two MPLS labels before being sent to the public network. Which of the following statements regarding the labels is false?

A.
By default, a router assigns the same label value to all VPNv4 routes destined for the remote PE.
A.
By default, a router assigns the same label value to all VPNv4 routes destined for the remote PE.
Answers
B.
The egress PE uses the inner label to determine the egress CE which packets are sent.
B.
The egress PE uses the inner label to determine the egress CE which packets are sent.
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C.
Two labels are used on an MPLS BGP VPN: public network label (outer label) and VPN label (inner label).
C.
Two labels are used on an MPLS BGP VPN: public network label (outer label) and VPN label (inner label).
Answers
D.
VPN labels are distributed by MP-BGP when routing information is transmitted. Public network labels are distributed by LDP.
D.
VPN labels are distributed by MP-BGP when routing information is transmitted. Public network labels are distributed by LDP.
Answers
Suggested answer: A

As shown in the figure below, an enterprise wants to implement secure access between the headquarters and branches through MPLS VPN. VPN traffic of branches must be forwarded through the headquarters for traffic monitoring. Which of the following statements regarding this solution is false?

A.
When the Hub-CE and Hub-PE use EBGP to transmit routing information, the Hub-PE must be able to accept routes with the AS number repeated once so that routes advertised by the Hub-CE can be received.
A.
When the Hub-CE and Hub-PE use EBGP to transmit routing information, the Hub-PE must be able to accept routes with the AS number repeated once so that routes advertised by the Hub-CE can be received.
Answers
B.
OSPF can be used to exchange routing information between Hub-CEs and Hub-Pes as well as between Spoke-Pes and Spoke-CEs.
B.
OSPF can be used to exchange routing information between Hub-CEs and Hub-Pes as well as between Spoke-Pes and Spoke-CEs.
Answers
C.
BGP can be used to exchange VPN routing information between CEs and Pes.
C.
BGP can be used to exchange VPN routing information between CEs and Pes.
Answers
D.
The MP-IBGP peer relationship can be established between Spoke-Pes to exchange VPN routing information.
D.
The MP-IBGP peer relationship can be established between Spoke-Pes to exchange VPN routing information.
Answers
Suggested answer: A
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