合格できるHuawei H12-831_V1.0-ENUのPDF問題集！最近更新された325問あります
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質問 # 128
(Connection) The default MPLS label release method and label distribution control method of Huawei routers and label retention methods are respectively
正解：
解説：
質問 # 129
As shown in the figure, OSPF is enabled on all interfaces of the router, and the ip address identified in the figure is the device's IP address.
Loopback0 presses the IP address of the port, RI, R2, R3EJLoopbacD is advertised in the area 1, R4 LoopbacfkD advertises in area D and which of the following functional addresses can be pinged between the LoopbackD announcements of R5 and R5 in area 2?
Areal
10.0.1.1/32
- A. 10.0.2.2and10.0.3.3
- B. 10.0.2.2 10.0.5.5
- C. 10.0.4.4and10.0.2.2
- D. 10.0.3.3 10.0.5.5
正解：A
質問 # 130
According to this picture, what can we judge? (Multiple choice)
- A. If the routing policy on AS_Path is not configured, then 3002:-4/128 must not originate from AS 65001
- B. R1 has routes of 3002.-3/128 and 3002:.4/128
- C. R1 does not have routes of 3002:.3/128 and 3002.-4/128
- D. If the routing policy on AS_Pash is not configured, then 3002:4/28 must originate from AS 65001
正解：B、D
質問 # 131
On a PIM-SM multicast network, a network engineer finds that multicast clients cannot receive multicast dat a. Which of the following is not a possible cause of this problem?
- A. The RP addresses of multicast devices are different.
- B. Downstream interfaces of multicast devices are disabled from forwarding State-Refresh messages.
- C. The unicast routes from multicast devices to the RP are unavailable.
- D. The downstream interfaces of multicast devices do not receive any (*, G) Join messages.
正解：B
質問 # 132
The OSPF protocol runs between CE and PE, when CE1 advertises the route of the site to CE2. Which of the following description is wrong?
- A. When PE2 receives the same Domain ID as the local BGP route sent by PE1, PE2 will generate Type3 LSA for Type1 LSA and Type2 LSA
- B. When PE2 receives the same Domain ID as the local BGP route sent by PE1, for Type3 LSA, PE2 will generate Type5 LSA
- C. When PE2 receives a BGP route from PE1 that carries a different Domain ID from the local one, it is correct for all LSAs, and PE2 will generate Type5 LSA or Type7 LSA
- D. The Domain ID configured by PE1 can be used as an extended community attribute of BGP and sent along with the route to PE2.
正解：B
質問 # 133
Network administrator A wants to use A, CL to match only the four routing entries 1 and 3.57 in the figure. Ask the network administrator A at least how many A, CL rules do you need to configure?
- A. 0
- B. 1
- C. 2
- D. 3
正解：D
質問 # 134
Which of the following aspects should be considered in the cutover risk assessment? (Multiple choice)
- A. Scope of risk impact
- B. Time of risk impact
- C. Loss caused by risk
- D. Location of key risk points
正解：A、B、C、D
質問 # 135
Deployment in a small and medium-sized networkOSPF,When viewing the routing table of a device, it is found that there are only directly connected routes.
It is not possible for the operation to cause the fault?
- A. Routing protocol configuration error
- B. The configured user permissions are too low
- C. Port address assignment problem
- D. Incorrect routing policy configuration
正解：B
質問 # 136
Network administrator A wants to check the neighbor status of BGP router R2. R2's BGP neighbor status information is shown in the figure. Please help network administrator A to obtain the following information: The AS where R2 is located is AS (). (Note: Only write numbers, do not add punctuation or spaces)
正解：
解説：
102
質問 # 137
Which of the following will not cause the VRRP backup group to flap?
- A. transmissionVRRPLink flapping of advertisement packets
- B. BackupDevice Interface Packet Loss
- C. the time interval of the notification message is too small
- D. both endsVRRPBackup group preemption delay configuration is inconsistent
正解：D
質問 # 138
By default, which of the following types of secure MA, C addresses will be lost when the device restarts?
- A. black holeMA, Caddress
- B. Sticky MA, Caddress
- C. Security DynamicsMA, C 1W
- D. Safe staticMA, Caddress
正解：C
質問 # 139
In the topology shown in the figure, the entire network runsOSPFv3agreement inNoIn the case of attracting external routes,R1which type ofLAS?
- A. Inter-Area-Prefix-LSA
- B. Intra-Area-Prefix-LSA
- C. Inter-Area-Router LSA
- D. Link-LSA
正解：C
質問 # 140
Which of the following are advantages of VLAN aggregation?
- A. added availableM LANquantity
- B. accomplishSub-VLANIsolation between broadcast domains
- C. Increased addressing flexibility
- D. decreasedIPwaste of address
正解：B、D
質問 # 141
Which of the following statements about the freeway of LDP label retention is correct? (Multiple choice)
- A. Only keep labels from next-hop neighbors, discard all labels sent by non-next-hop neighbors
- B. Need more memory and label space
- C. Save memory and label space
- D. Keep all labels distributed by neighbors
正解：B、D
質問 # 142
From this picture, we can judge
<Redisplay ipv6 routing table protocolTuozhen
Public Routing Table . ISIS
Summary Count 6
ISIS Routing Table's Status : < Active >
Summary Count 6
- A. R1ofGigabitEthernetOD/1must be enabledIS-IS IPv6
- B. R1have6stripIS-ISofIPv6routing
- C. R1noIS-ISofIPv6routing
- D. R1The type of device is definitely notLevel-1
正解：A、B、D
質問 # 143
As shown in the figure, 0SPF is enabled on all interfaces of the router. The cost value of the link is marked in the figure, R2's LoogbackO is advertised by mouth in area 0, then in In area 1, both R2 and R3 transmit the routing information of 10.0.2.2/32 in the form of Typae3 LSA.
- A. True
- B. False
正解：A
質問 # 144
About the site in the BGPIMPLS IP VPN network architecture. Which of the following descriptions is correct?
- A. in any case, belong to the sameVPNDifferent sites on the
- B. The two geographically separated networks must belong to different sites
- C. site is a groupIPsystem, a network of hosts cannot be called a site
- D. through the sameCETerminals connected to the operator's network may belong to different sites(MCE)
正解：D
質問 # 145
Assuming that the neighbor relationship between BGP routers has been established successfully, the configuration on R1 is shown in the figure. ask for R1 Which router can the route entry 10.10.10.0/24 be delivered to the farthest?
AS 200
bgp 100
peer 13.X3 as-number 300
peer B3.33 connect * interface LoopBackO peer 3.33.3 route-policy COMMUNITY eporx peer 3333 next >hop-local peer Xl.3.3 advertise-cofnmunity network 10.10.T0.0 24 route^poktcy COMMUNITY permit node 10 prefix COMMUNITY spply cocYWTUiiMty route-policy COMMUNITY permit node 20 ip prefix COMMUNITr index 10 permit
- A. R3
- B. R4
- C. R2
- D. R1
正解：A
質問 # 146
Please pair the following DHCP attack types with corresponding explanations.
- A. DHCPstarvation attack-4 DHCPPhishing attack-3man-in-the-middle attack-2 DHCPPacket flood attack-1
- B. DHCPstarvation attack-1 DHCPPhishing attack-3man-in-the-middle attack-2 DHCPPacket flood attack-4
- C. DHCPstarvation attack-3 DHCPPhishing attack man-in-the-middle attack-2 DHCPPacket flood attack-4
- D. DHCPstarvation attack-2 DHCPPhishing attack-3man-in-the-middle attack-1 DHCPPacket flood attack-4
正解：B
質問 # 147
How many bits are there in the label field of PLS?
- A. 0
- B. 1
- C. 2
- D. 3
正解：C
質問 # 148
The input information of a router is as follows. Which of the following causes the OSPF adjacency cannot be established normally?
- A. interfaceIPInconsistent address masks
- B. Hell. Inconsistent message sending interval
- C. Area code does not match
- D. Inconsistent area type
正解：B、C
質問 # 149
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