[2022年03月08日]H12-261-ENU試験問題集で100%合格率H12-261-ENU試験！
試験問題集リアルHCIE-R&S問題集525解答を試そう！
質問 185
The Type 5 LSA in OSPF are used to pass external routes. Which of the following statements about the Type 5 LSA are wrong?
- A. The FA address is included in the Type 5 LSA, and the FA address is 0.0.0.0, but has no practical effect as a reservation.
- B. Type 5 LSAs are advertised by the ASBR and flooded in the OSPF network in the non-Stub/NSSA area.
- C. Configure the corresponding policies on the ABR and ASBR to filter the Type 5 LSA.
- D. The router in the same area as the ASBR can calculate the external route through the intra-area LSA and the Type 5 LSA.
正解: A
質問 186
As shown in the figure below, which routes will R2 learn?
- A. R2 can receive the LSP of R1 but cannot join the routing table.
- B. R2 can learn all the routes of R1.
- C. R2 can learn the two routes 10.1.2.0/24 and 10.1.3.0/24.
- D. R2 can learn the 10.1.1.0/24 route.
正解: B
質問 187
As shown in the figure, the AS100 has two paths to access the AS400. By default, the best route is transmitted from the AS200. It is known that the path bandwidth to the AS400 through the AS300 is better. Therefore, doing the configuration on R2 as follows. After the configuration is complete, the optimal route is not changed. Which of the following operations can make the configuration take effect?
[R2]ip as-path-filter 1 permit ^400$ [R2]route-policy med permit node 10 [r2-route-policy]if-match as-path-filter 1 [r2-route-policy]apply cost 20
- A. Configure compare-different-as-med in the BGP process of R1.
- B. Configure compare-different-as-med under the BGP process of R2.
- C. Configure deterministic-med under the BGP process of R1.
- D. Configure deterministic-med under the BGP process of R2
正解: A
質問 188
Which of the following description about LDP reliability is incorrect?
- A. LDP GR (Graceful Restart) uses the feature that MPLS forwarding plane is separated from the control plane to ensure that the device does not interrupt forwarding during protocol restart or active/standby switchover.
- B. The manually configured LDP FRR policy defaults to a 32-bit backup route that triggers LDP to establish a backup LSP.
- C. The association between the LDP and the IGP requires the IGP to suppress the advertisement of the route and ensure that the LDP path is consistent with the IGP path.
- D. LDP FRR can also be used to generate an LSP for the label mapping from the non-optimal next hop. And it can be a backup of the main LSP, to establish the forwarding entries.
正解: B
質問 189
Regarding the way the device handles packets in the MPLS network model, which of the following descriptions are wrong? (Multiple Choice)
- A. The label forwarding path LSP is determined and established through various protocols during the forwarding of the message.
- B. The device discards the IP packets that enter the MPLS domain.
- C. LSR must not strip labels.
- D. Both LER and LSR will carry out label distribution.
正解: A,B
質問 190
The level-1-2 IS transmits the Level-2 LSP to the Level-1 area. If the ATT bit in the Level-2 LSP is set to 1, the level-1 in the area can pass the Level-1-2 IS to the outside region.
- A. True
- B. False
正解: B
質問 191
The existing route-policy is as follows: ip community-filter 1permit 100:1 ip as-path-filter 2 permit^100$ route-policytest permit node 10 if-match community-filter 1 if-match as-path-filter 2 apply as -path 200 the above configuration description, which is correct?
- A. Only when the community attribute value carried in the BGP route is 100:1 and AS_PATH is 100, the BGP route matches the route-policy above. The AS-PATH attribute of the matching route will be changed to 200.
- B. Only when the community attribute value carried in the BGP route is 100:1 or AS_PATH is 100, the BGP route matches the route-policy above. The AS-PATH attribute of the matching route will be changed to 200.
- C. As long as the BGP route carries the community attribute value of 100:1, the BGP route matches the route-policy above. The AS-PATH attribute of the matching route will be changed to 200.
- D. Only when the BGP route carries the AS-PATH as 100, the BGP route matches the route-policy above. The AS-PATH attribute of the matching route will be changed to 200.
正解: A
質問 192
Which is wrong about IPv6 Over VXLAN?
- A. The tunnel between the Layer 2 and Layer 3 gateways of the VXLAN is an IPv4 network.
- B. IPv6 over VXLAN means that Vxlan's Overlay network is an IPv6 network.
- C. IPv6 over VXLAN can solve the problem of insufficient IP address resources for terminal tenants.
- D. IPv6 Over VXLAN does not generate entries.
正解: D
質問 193
The fields indicating priority in the VLAN (802.1Q) data encapsulation are a total of 6 bits.
- A. True
- B. False
正解: B
質問 194
In addition to stateless address autoconfiguration, IPv6 devices can also obtain information such as addresses, gateways, and DNS through DHCPv6.
- A. True
- B. False
正解: B
質問 195
In the following topology picture, R1 can access the Internet through R2 and R3. R1 and R2, and R1 and R3 establish an EBGP connection. R2 and R3 belong to the same AS. The default route is advertised through BGP. R2 is the optimization when requiring R1 to access the Internet traffic. The following practices that can be achieved are (Multiple Choice)
- A. R1 specifies that the peer R2 sets the local priority to 150 in the import direction.
- B. R2 specifies that the peer R1 sets the local priority to 150 in the export direction.
- C. R2 specifies that the peer R1 sets the MED attribute to 150 in the export direction.
- D. R1 specifies that the peer R3 sets the MED attribute to 150 in the import direction.
正解: A,D
質問 196
When there are multiple matching rules in the ACL of the VRP, which of the following statements is correct about the matching order?
- A. By default, match according to the principle of "depth first"
- B. There is only one matching order and cannot be modified
- C. By default, match according to rule-id, from small to large
- D. By default, match the permit first and deny later.
正解: C
質問 197
Configure AS-path-Filter ip as-path-filtr 10 permit_100$ to match the route received from AS100.
- A. True
- B. False
正解: B
質問 198
Which of the following statements are correct about IPsec VPN? (Multiple Choice)
- A. Aggressive mode can support NAT traversal, while main mode does not support NAT traversal.
- B. An OSPF neighbor relationship can be established between two routers through an IPsec VPN tunnel, and the intranet is exchanged.
- C. Two routers establish IPsec VPN through the main mode. Starting from the fifth message (inclusive), the payload data is often encrypted.
- D. Two routers establish IPsec VPN through the aggressive mode, then only two packets are exchanged between the two devices to establish a tunnel.
正解: C,D
質問 199
Configure AS-path-Filter ip as-path-filtr 10 permit_100$ means to match the route received from AS100.
- A. True
- B. False
正解: B
質問 200
The HTTP protocol is based on TCP. Therefore, you can use the TCP Flood attack defense method to defend against HTTP flood attacks.
- A. True
- B. False
正解: B
質問 201
Non-Stopping-Forwarding (NSF) and Non-Stopping Routing (NSR) are two solutions for high reliability. The following statements which are correct? (Multiple Choice)
- A. NSF routers do not need to negotiate support NSF through specific packet.
- B. After the NSF is enabled, the router performs the master/slave switchover. The routing table and the forwarding table remain unchanged. Therefore, traffic is not lost during the GR time.
- C. After the NSR is enabled, if the main control board fails when the service batch backup is not completed, the NR switch cannot be completed.
- D. NSR routers need to negotiate support NSR through specific packet.
正解: B,C
質問 202
One BD in VXLAN can correspond to multiple VNI.
- A. True
- B. False
正解: B
質問 203
As shown in the figure, the AS100 has two paths to the AS400. By default, the best route is transmitted from the AS200. It is known that the path to the AS400 through the AS300 is better. Therefore, the following configuration is performed on the R2. After the configuration is complete, the optimal route is not changed. Which of the following operations can make the configuration take effect?
[R2] ip as-path-filter 1 permit ^400$
R2] route-policy med permit node 10
r2-route-policy] if-match as-path-filter 1
Ir2-route-policy] apply cost 20
- A. Configure compare- different-as-med in the BGP process of R2.
- B. Configure deterministic-med in the BGP process of R2.
- C. Configure deterministic-med in the BGP process of R1.
- D. Configure compare- different-as-med in the BGP process of R1.
正解: D
質問 204
Which of the following statement about the R2 routing entry is correct?
- A. 2020::/64 router will appear in the IP routing table.
- B. 2022::/64 router will appear in the IP routing table.
- C. 2021::/64 router will appear in the IP routing table.
- D. 2019::/64 router will appear in the IP routing table.
正解: A,B,D
質問 205
Which of the following is the correct description of the Register message in PMSM? (Multiple choice)
- A. Register message is sent to the RP by unicast instead of multicast.
- B. Register message is sent by the source DR
- C. Register message enables the RP to learn multicast source information.
- D. Register message is sent by the receiver router
正解: A,B,C
質問 206
Router HW1 and router HW2 are connected to network A and network B respectively. As shown below, if you want to establish an IPsec VPN between router HW1 and router HW2.
Which ACL does the router HW1 need to configure to enable LAN-to-LAN traffic to pass through the encrypted VPN tunnel?
- A. rule permit ip source 10.1.2.0 0.0.0.255 destination 10.1.1.0 0.0.0.255
- B. rule permit ip source 10.1.1.0 0.0.0.255 destination 192.168.1.2 0
- C. rule permit ip source 10.1.1.0 0.0.0.255 destination 10.1.2.0 0.0.0.255
- D. rule permit ip source 192.168.1.10 destination 192.168.1.2 0
- E. rule permit ip source 192.168.1.10 destination 10.1.2.0 0.0.0.255
正解: C
質問 207
Router A has a destination network segment of 10.0.0.1/32 IP routing, and the outgoing interface is Gigabitethernet0/0/1. Now add the following configuration acl number 2000 rule 10 permit source 10. 0.1.1 0 traffic classifier test if-match acl 2000 traffic behavior test remark dscp cs3 traffic policy test classifier test behavior test interface Gigabitethernet0/0/1 ip address10.0.12.1255.255 .255.0 traffic-policy test outbound assumes that Router A received a packet with a destination IP of 10.0.0.1. The following statements which are correct? (Multiple Choice)
- A. If the source IP address of the packet is 10.0.0.2, it cannot be forwarded.
- B. If the source IP address of the packet is 10.0.0.2, it can be forwarded while the DSCP field remains unchanged.
- C. If the source IP address of the packet is 10.0.0.2, it can be forwarded and the DSCP field is marked as CS3.
- D. If the source IP address of the packet is 10.0.0.1, it can be forwarded and the DSCP field is marked as cS3.
正解: B,D
質問 208
......
あなたを余裕でH12-261-ENU試験合格させます！100%高合格率保証：https://jp.fast2test.com/H12-261-ENU-premium-file.html