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H12-261_V3.0 Exam Dumps - HCIE-Routing & Switching (Written) V3.0

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Question # 33

General VPUsers in N can only communicate with each other, but cannot communicate with Internet users, nor can they access the Internet. However, each site of the VPN may need to access the Internet. Which is the correct description for the realization method of VPN and Internet interconnection?

A.

Implemented on the user side, directlyCEs are connected to the Internet. Each user site can be independently connected to the Internet, that is, the CE of each site is configured with a default route to the Internet.

B.

The implementation on PE is complicated and there are security risks. PE equipment may be affected by the Internet Dos attack.

C.

Implemented on the PE, the PE device is directed toThe CE sends a default route to the Internet and adds a default route to the Internet gateway in the VPN instance routing table.

D.

Implemented on the user side, the implementation method is simple, the public network and private network routes are isolated, and it is safe and reliable.

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Question # 34

The topology diagram and configuration are as follows. Now I hope that there is no detailed routing entry for 10.0.3.3/32 in the R1 routing table. The following statement can achieve this requirementhave

A.

existRoute summary is configured on R3, and the route is summarized as 10.0.0.0/16

B.

existRoute summary is configured on R2, and the route is summarized as 10.0.0.0/16

C.

existConfigure filter-policy on R1, match 10.0.3.3/32 through ACL, and apply it in the import direction at the same time

D.

existThe filter-policy is configured on R2, which matches 10.0.3.3/32 through ACL and applies it in the export direction at the same time

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Question # 35

oneroute-policy There can be multiple nodes, different node numbers use node Identifier, there can be multiple if-matches under each node and apply Clause, which of the following descriptions is false? (Multiple Choice)

A.

The relationship between different nodes is "or"

B.

The relationship between different nodes is "and"

C.

if-match under each node There is an "and" relationship between clauses

D.

if-match under each node "or" relationship between clauses

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Question # 36

As shown in the figure, R1, R2 and R3 run OSPP at the same time and announce their respective loopback ports. The following description is wrong.

A.

filter-policy can be used on R2 expoThe rt command filters the loopback route of R3

B.

R2 can be used in Area use filter in 0r import command to filter the loopback route of R3

C.

filter-policy can be used on R1 import filters the loopback route of R3

D.

Area is available on R2 Use filter in 1r expot command to filterR3 loopback route

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Question # 37

The data result of a router is as shown in the figure below. According to this analysis, the correct conclusion is:

A.

R3's GE0/0/0 port and its neighbor are in different areas

B.

Eth0/0/1 of the R3 router enables both IPv4 and IPv6 ISIS

C.

R3 is Level-1 and L on the link where Eth0/0/0 is located evel-2 DIS

D.

The circuit-level of Eth0/0/1 of the R3 router is Level-1-2

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Question # 38

Two routers running IS-IS can establish adjacency only if the time interval between IIH sending is the same.

A.

TRUE

B.

FALSE

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Question # 39

Which of the following statements is false about TCP's sliding window? (Multiple Choice)

A.

The sender announces the initial window size

B.

The sender does not need to transmit the full window size of the message

C.

TCPSliding window allows multiple packets to be sent before an acknowledgment is received

D.

After the retransmission timer expires, the sender has not received the acknowledgment and will retransmit the unacknowledged data

E.

The receiver needs to confirm the data packet of the sender

F.

Sliding window size can only increase or stay the same

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Question # 40

The MAC address table of the switch with default configuration is empty at this time, and the host A connected to the switch sends the first unicast data frame, then what operation will the switch perform after receiving the instruction?

A.

The switch will drop the frame

B.

The switch will record the source MAC address of the data frame and flood the data frame

C.

The switch will forward the data out an interface according to the destination MAC address of the data frame

D.

The switch will buffer the data frame and forward it after waiting for the destination host to send the data frame

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