H12-261-ENU by Huawei Actual Free Exam Q&As

Question 1

Which of the following description is correct about the process of sending and receiving data frames in the Access mode of the switch interface?

A. When the data frame enters the switch interface, the switch learns the destination MAC address in the data frame. B. In the Access mode, the VLAN tag of the data frame will be stripped off when sending. C. When receiving a tagged data frame directly discards in Access mode D. Only receive unlabeled data frames in Access mode

Discussion 0

Correct Answer: B Vote an answer

Question 2

Regarding the certification of the ISIS protocol, which statements are correct? (Multiple Choice)

A. After the area authentication is configured, the IIH, SNP, and LSP sent by the router must carry the authentication. B. After the interface authentication is configured, the IIH sent by the router must carry the authentication TLV. C. Two routers are configured with regional authentication and interface authentication, and the passwords are the same. Then two routers can establish neighbor relationships. D. Interface authentication can implement hello packet authentication for Level-1 and Level-2.

Discussion 0

Correct Answer: B,D Vote an answer

Question 3

As shown in the configuration, if the administrator configures OSPF on R1 but R1 cannot learn the routes of other routers, the possible reason is (). (Multiple choice)
[R1]ospf [Rl-ospf-1]area 2 [R1-ospf-1-area-0.0.0.2]network 10.0.13.1 0.0.0.0

A. This router is not configured with an OSPF process ID. B. The router's announcement network address does not match the interface mask. C. Area ID configured by the router and area ID of its neighboring router is different. D. This router is not configured with authentication, but the neighbor router is configured with authentication.

Discussion 0

Correct Answer: C,D Vote an answer

Question 4

Which of the following statement about the NSSA area is correct?

A. The NSSA region generates Type 7 LSA to inform external routing, and the FA address role in the Type 7 LSA is to prevent loops B. In the hello message sent by OSPF neighbor in NSSA region, position N is 1 and position E is 0 in option field C. The NSSA region will automatically generate a default LSA to access the external network. D. In the hello message sent by OSPF neighbor in NSSA region, position N is 0 and position E is 1 in option field.

Discussion 0

Correct Answer: B Vote an answer

Question 5

When DLDP detects a unidirectional link on an interface, the default operations on Huawei devices include: DLDP switches to the interface to Disable state, generates a trap and sets the interface state to DLDP Down.

A. TRUE B. FALSE

Discussion 0

Correct Answer: A Vote an answer

Question 6

In an MPLS IBGP VPN environment, if LDP distributes labels only through BGP, the MPLS labels of the packets are at most two layers.

A. False B. True

Discussion 0

Correct Answer: B Vote an answer

Question 7

In order to reduce the number of OSPF routes in some stub areas, OSPF has developed a special area function. Which of the following description is true about the OSPF special area feature?

A. Special area routers cannot establish OSPF neighbor relationships with regular area routers B. ASBR-Summary-LSA is allowed to be advertised to the NSSA area. C. Any OSPF area can be configured as a special area D. As -External-lsa is released to the Stub area

Discussion 0

Correct Answer: A Vote an answer

Question 8

Regarding the basic forwarding process of MPLS, which of the following description is wrong?

A. When an IP packet enters the MPLS domain, the MPLS border device inserts a new label between the packet layer 2 header and the IP header. B. When the packet is forwarded in the MPLS domain, the top label of the MPLS packet is replaced by the label allocated by the next hop according to the label forwarding table. C. When the IP packets into the MPLS domain, checks the destination IP address of the corresponding Tunnel ID if TunnelID is 0x0, and proceeds to MPLS forwarding process. D. By default, the value of the label assigned to the penultimate hop node by the Egress1 node that supports PHP is 3.

Discussion 0

Correct Answer: C Vote an answer

Question 9

Which of the following description about the related information of BGP4+ is correct? (Multiple choice)

A. Bgp4+ can use the dampening command to suppress IBGP routes. B. The Next Hop attribute in BCP4+ is represented by the Pv6 address, which can be the link-local address of the next hop. C. Modifying the Router ID of the BCP will cause the BGP connection between the routers to be re-established. D. BGP4+ does not support automatic route aggregation.

Discussion 0

Correct Answer: A,C,D Vote an answer

Question 10

Non-Stopping-Forwarding (NSF) and Non-Stopping Routing (NSR) are two solutions for high reliability. The following statements which are correct? (Multiple Choice)

A. 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. B. NSR routers need to negotiate support NSR through specific packet. 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. NSF routers do not need to negotiate support NSF through specific packet.

Discussion 0

Correct Answer: A,C Vote an answer

Question 11

If the PM-SM protocol is run on the multicast network, you need to configure the RP. The configuration of the RP is classified into dynamic RP and static RP. The following which is the correct description of the RP configuration?

A. When configure static RP, you need to configure the BSR advertisement RP information. B. When configuring static BP, you need to specify the RP information on all PIM routers. C. When configuring dynamic RP, you need to configure the BSR as the backup of the RP. D. You do not need to configure BSR when configuring dynamic RP.

Discussion 0

Correct Answer: B Vote an answer

Question 12

Which of the following is the correct description of the route priority for ISIS?

A. The LeveI-1 and Leve-2 routes in the ISIS database have different routing priorities. B. ISIS aggregated route has a priority of 10 C. The default route of ISIS priority is 15. D. The routing priority of ISIS cannot be modified.

Discussion 0

Correct Answer: C Vote an answer

Question 13

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 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. B. 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. C. 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. 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.

Discussion 0

Correct Answer: C Vote an answer

Question 14

Which of the following is a single package attack? (Multiple choice)

A. Special control packet attack B. Malformed packet attack C. Scanning detection attacks D. DDoS attack

Discussion 0

Correct Answer: A,B,C Vote an answer

Question 15

If the value of the Option field in the OSPFv3 Hello packet sent by GigabitEthernet 0/0/0 on Router A is 0x000013, the correct description of the following is: (Multiple Choice).

A. GigabitEthernet0/0/0 of Router A will participate in IPv6 route calculation. B. GigabitEthernet0/0/0 of Router A belongs to the NSSA area. C. Router A supports AS-External-LSA flooding D. Router A is an OSPFv3 device with forwarding capability

Discussion 0

Correct Answer: A,C,D Vote an answer

Huawei HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching) - H12-261-ENU Exam Practice Test