Free Huawei (H12-261_V3.0) Certification Sample Questions with Online Practice Test
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NEW QUESTION 270
The switches SWA and SWB are connected together through 2 Ethernet links, and the switch SWA has the following interface configuration
[SWA]interface Gigabitethernet 1/0/1
[SWA-gigabitethernet1/0/1]port link-type trunk
[SWA-gigabitethernet1/0/1]port trunk allow-pass vlan 1 10 100
[SWA]interface Gigabitethernet 1/0/2
[SWA-gigabitethernet1/0/2]port link-type trunk
[SWA-gigabitethernet1/0/2]port trunk allow-pass vlan 1 10
Configure link aggregation to tie the two links together. If the configuration on SWB is correct, it can be known from the above information
- A. Gigabitethernet1/0/1 and Gigabitethernet1/0/2 can join the same aggregation group without changing the current configuration
- B. Only by changing the configuration of Gigabitethernet1/0/2 to be consistent with Gigabitethernet1/0/1, the two can join the same aggregation group
- C. After link aggregation is configured on both SWA and SWB, if the switches SWA and SWB enable MSTP, then the interface status of Gigabitethernet1/0/1 and Gigabitethernet1/0/2 in MSTP is the same
- D. Because of different link types, Gigabitethernet1/0/1 and Gigabitethernet1/0/2 cannot join the same aggregation group
Answer: C
Explanation:
Explanation
This question is very strange ifSingle choice (the option may be status Forwarding), choose B Under normal circumstances, the two interfaces cannot be added to the Eth-Trunk.If you choose more than one, choose BD
NEW QUESTION 271
Regarding the BGP anti-loop mechanism, which of the following statements is correct?
- A. The ClusterList attribute is used to prevent loops in the reflector cluster. When the router finds that the ClusterList of the routing entry contains its own ClusterID, it will reject it.accept this route
- B. Routes learned from IBGP will not be advertised to IBGP neighbors to prevent routing loops within the AS
- C. Use the AS-PATH attribute between autonomous systems to prevent loops
- D. can use AS-CONFED-SET attribute prevents loops within the confederation
Answer: B,C,D
Explanation:
Explanation
ClusterList is an anti-loop between reflector clusters. The originator-id is used to prevent loops inside the reflector cluster.
NEW QUESTION 272
There is a network consisting of router R1, router R2, router R3 and router R4. The 4 routers are interconnected through a LAN network. All 4 routers have basic oSPF deployed. When you execute the command "display ospf peer" on the router R2, find the router R2 and the route
- A. router there is no full adjacency between R2 and router R3
routerR4 is DR - B. Router R2 is DR or BDR
- C. device the state between R3 is "2-way". So what can you conclude from this output?
Router R2 is not a DR - D. Router R3 is not a DR, nor a BDR
Answer: A,C,D
Explanation:
Explanation
DR OA 2-way neighbor relationship is formed between THERs
NEW QUESTION 273
in During the establishment of D Passion, the active party will first send Initialization information to negotiate parameters. Which of the following messages will be sent if the passive party does not support negotiated parameters?
- A. Keepalive Message
- B. Initialization Message
- C. Hello Message
- D. Eerror Notification Message
Answer: D
NEW QUESTION 274
Which of the following attacks areDoS ( Denial of service) attack?
- A. flood attack
- B. Source IP address spoofing attack
- C. single packet attack
- D. man-in-the-middle attack
Answer: A,C
NEW QUESTION 275
In a multicast network, what causes the multicast traffic to fail to be forwarded normally? (Multiple Choice)
- A. existPIM is not enabled on the RPF interface
- B. PI that the upstream router will receiveM Join message discarded
- C. Router has no RPF route
- D. Multi-router egress network, this router is not a DR
Answer: A,B,C
NEW QUESTION 276
When the payload is an ICMPY6 packet, if the extension header is not considered, what is the value of the Next Header field in the IPv6 header?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 277
Regarding the authentication of the ISIS protocol, the correct statement is:(multiple choice)
- A. After interface authentication is configured, the IIH sent by the router must carry the authentication TL.V
- B. If the two routers are configured for area authentication and interface authentication respectively, and the passwords are the same, the two routers can establish a neighbor relationship.
- C. After configuring the area authentication, the IIH, S sent by the routerNP, LSP must be connected with certified TLV
- D. Interface authentication can be used to authenticate Level-1 and Level-2 hello packets
Answer: A,D
Explanation:
Explanation
Interface authentication is to authenticate hello packets
Regional accreditation is an S of accreditation Level-1NP, LSP Routing domain authentication is to authenticate Level-2 SNP and LSP
NEW QUESTION 278
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. The circuit-level of Eth0/0/1 of the R3 router is Level-1-2
- C. R3 is Level-1 and L on the link where Eth0/0/0 is located evel-2 DIS
- D. Eth0/0/1 of the R3 router enables both IPv4 and IPv6 ISIS
Answer: B
NEW QUESTION 279
Which of the following IEE standards were developed for Gigabit Ethernet?
- A. 802.3z
- B. 802.3af
- C. 802.3ad
- D. 802.3ab
Answer: A,D
NEW QUESTION 280
OSPF fast convergence is an extended feature to improve the convergence speed of routing. The working principle of PRC (Partial Route Calculation) is that when the network topology changes, only the affected nodes are calculated. , so as to speed up the routing calculation
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 281
Two Huawei switches, SWA and SWB, are connected to each other through 7 Ethernets.- - start, and configure static link aggregation, the corresponding port on switch SWA. is Ethernet1/0/1, Ethernet 1/0/2, Ethernett
1/0/3, Ethernett 1/0/4, Etherrnet 1/0/5, Etherrnet 1/0/6,
Ethernet 1/0/7, the configuration method is to configure in order of ports. If the switches SWA and SWB only support 6 ports per aggregation group.
- A. Consistent configuration on each port down, EthThe rnet1/0/7 port is the Unselected port of the aggregation group
- B. Under the condition that the configuration of each port is the same, the EthernetThe rnet1/0/6 port is the Unselected port of the aggregation group
- C. When the configuration of each port is the same, SWA randomly selects one port among the 7 ports as the aggregation groupUnselected port
- D. When the configuration of each port is the same, the Ethernet1/0/1 port is an aggregation groupUnselected port
Answer: A
NEW QUESTION 282
The following about IPv6 Over VXLAWhich statement N is wrong?
- A. IPv6overVXLAN can solve the problem of insufficient IP address resources for terminal tenants.
- B. IPv46 over VXL AN means VXL AThe overlay network of N is an IPv6 network.
- C. IPv46 Over VLAN does not generate ND entries.
- D. VXLAThe tunnel between the Layer 2 and Layer 3 gateways is an IPv4 network.
Answer: C
NEW QUESTION 283
Compared with IGMPv1, what improvements have the IGMPv2 protocol made?? (multiple choice)
- A. Added specific group query message
- B. Added specific source group query packets
- C. Added maximum response time field
- D. Added out-of-group packets
Answer: A,C,D
NEW QUESTION 284
When a BGP EVPN Type2 route is used to transmit an IRB type route, the information carried includes?
- A. Layer 3 VNI
- B. host IP address
- C. Layer 2 VNI
- D. Host MAC address
Answer: A,B,C,D
NEW QUESTION 285
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