H12-831-ENU Actual Questions Answers PDF 100% Cover Real Exam Questions
H12-831-ENU Exam questions and answers
NEW QUESTION # 64
When Mr. Wang unpacked and inspected the goods, he found that the appearance of the equipment was not damaged, and all the modules of the equipment were running normally when the power was first turned on, but after 24 hours of continuous operation, the board failed, then this situation is not eligible for the DOA process.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 65
In what ways can log information be viewed? (Multiple choice)
- A. View the network management system interface
- B. will flash
- C. Log in to the device and view it through display logbufer
- D. There is no way
Answer: A,B,C
NEW QUESTION # 66
When deploying BGPIMPLS IPVPN, when two VPNs have a common site, the common site must not use overlapping address space with other sites of the two VPNs.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 67
High-risk operations refer to all operations that may affect the stable operation of equipment, the normal operation of customer services, or the normal monitoring of network management.
- A. True
- B. False
Answer: A
NEW QUESTION # 68
In the scenario of multi-level RR, a large number of secondary RRs will be connected to the primary RR, which may cause the BGP routing table of the primary RR to overflow. What method can be used to reduce the risk of overflow of the BGP routing table of the level RR?
- A. Set the same Cluster-lD
- B. Routing Control
- C. ORF
- D. Route Aggregation
Answer: D
NEW QUESTION # 69
Which of the following description is wrong? (Multiple choice)
[LSRA]pls Isr-id1.1.1.9[LSRA]mpls[LSRA]interface vlanif10[LSRA-Vlanif10]mpls[LSRA-Vlanif10]quit[LSRA]static-Lsp ingiess SAtoSD destination 4.4.4.9 32 nexthop 10.1.1.2 out -label 20
- A. The last command is to configure LSRA as the inbound interface LSR and configure a static LSP
- B. mpls Isr-id is the ID of the configured LSR
- C. mpls is to enable the mpls function in the system view and interface view, and the Isr-id can only be configured after mpls is enabled
- D. After mpls enables global mpls, there is no need to enable mpls again in the interface view
Answer: C,D
NEW QUESTION # 70
As shown in the figure, to enable the traffic between Site1 and Site2 to pass through the Hub-CE, VPN instances on two Spoke-PEs have been configured. Two VPN instances need to be created on the Hub-PE. The instance VPN in is used to receive routes from Spoke-PE, and the instance VPN out is used to advertise routes to Spoke-PE. Please select Import RT and Export RT for these two instances respectively. .
Answer:
Explanation:
NEW QUESTION # 71
What are the advantages of NFV? (Multiple choice)
- A. Shorten the innovation cycle of network operation services
- B. Network devices can have a unified version and unified management distance
- C. Reduce equipment cost
- D. A single platform provides services for different applications and tenants
Answer: A,C,D
NEW QUESTION # 72
Match the alarm severity to the severity of the fault and countermeasures.
Answer:
Explanation:
NEW QUESTION # 73
R1, R2, R3, and R4 belong to OSPF area 0, and the cost of the link is shown in the figure.
Loopback0 of R1, R2, R3, and R4 is advertised into OSPF. R1, R2, R3, and R4 use Loopback0 as the connection interface to establish an IBGP peer relationship. R1, R2, and R3 are clients of R4. The directly connected network segment 172.20.1.4/32 of R4 is advertised into BGP. Regarding the traffic trend of R1 accessing 172.20.1.4/32, which of the following analysis is correct? (Multiple choice)
- A. If R3 is configured with Stub
- B. The preferred route is R1-R2-R4
- C. The preferred route is R1-R3-R4
- D. During the two processes of power failure and startup of R3, there will be packet loss
Answer: A,C
NEW QUESTION # 74
On the boundary between the enterprise network and the external network, what kind of equipment is generally deployed on the outermost part of the enterprise network.
- A. IDS
- B. VPN
- C. IPS
- D. FW
Answer: D
NEW QUESTION # 75
As shown in the figure, OSPF is enabled on all interfaces of the router. The IP address marked in the figure is the IP address of the loopback0 interface of the device. Loopback0 of R1 and R2 is advertised in area 1, Loopback0 of R4 is advertised in area 0, and Loopback0 of R3 and R5 is advertised in area 2. Which of the following IP addresses can ping each other? (Multiple choice)
- A. 10.0.2.2 and 10.0.5.5 (Type 3 reception is not counted in non-backbone areas)
- B. 10.0.4.4 and 10.0.2.2 (normal calculation Type 3)
- C. 10.0.3.3 and 10.0.5.5 (same as region 1)
- D. 10.0.2.2 and 10.0.3.3 (Type 3 reception is not counted in non-backbone areas)
Answer: B,C
NEW QUESTION # 76
According to this picture, what can we judge? (Multiple choice)
- A. There are 2 equivalent paths for R1 to access 172.16.1.4
- B. R1 needs to go through 4 routers to access 172.16.1.4
- C. There are 4 equivalent paths for R1 to access 172.16.1.4
- D. R1 needs to go through 2 routers to access 172.16.1.4
Answer: A,D
NEW QUESTION # 77
EGP authentication can prevent illegal routers from establishing neighbors with BGP routers. BGP authentication can be divided into MD5 authentication and Keychain authentication. Which of the following BGP packets will carry BGP Keychain authentication information? (Multiple choice)
- A. Update
- B. Notication
- C. Open
- D. Keepalive
Answer: A,B,C,D
NEW QUESTION # 78
MPLS has always been slower than IP forwarding.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 79
Configure ipv6 preference in IS-IS protocol view. The function of this command is to configure the priority of IPv6 routes generated by IS-IS protocol.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 80
A DHCP server can use different address ranges to assign to clients. Which description is correct about assigning addresses? (Multiple choice)
- A. It can be the IP address that the client used to conflict with other clients
- B. It can be the IP address used by the client, that is, the address of the Requested IP Addr Option in the DHCP DISCOVER message sent by the client
- C. In the DHCP address pool, the IP address that can be allocated is searched sequentially, that is, the IP address found first
- D. Regarding the IP addresses that are over-lease and conflicting IP addresses queried by the DHCP server, if an available IP address is found, it can be assigned
- E. It can be the IP address statically bound to the client MAC address in the database of the DHCP server
Answer: B,C,D,E
NEW QUESTION # 81
Which of the following statements about the endpoint security management features of Agile Controller are correct? (Multiple choice)
- A. One-click repair to reduce terminal management and maintenance costs
- B. Control the terminal leakage route, and ensure that the terminal entering the network is forced to install the client and meets the security requirements through admission control.
- C. Prohibit the installation of non-standard software to reduce the risk of virus infection
- D. Only standard software is allowed to be installed to realize the standardization of desktop office
Answer: A,B,C,D
NEW QUESTION # 82
When configuring MPLS VPNI, the administrator configured the command: interface GigabitEthernet0/0/0 ip binding vpn-instance VPN1 Interface GigabitEthernet0/0/1 ip binding vpn-instance VPN2. Which of the following description is wrong?
- A. After an interface on the device is bound to a VPN instance, the interface becomes a private network interface, and a private network address can be configured and a private network routing protocol can be run.
- B. This configuration command is usually configured on the PE device
- C. The function of this command is to bind the G0/0/1 and G0/0\/2 interfaces on the PE device to the VPN instance assigned to the customer network
- D. If you unbind the device from the interface and the VPN instance, it will not automatically clear the IPv4 or IPv6 configuration under the interface bound to the VPN instance.
Answer: D
NEW QUESTION # 83
BFD can implement link state detection at the s (millisecond) level.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 84
Which command descriptions are correct for the PC to obtain the address from the DHCP Sever? (Multiple choice)
- A. In the Winiows7 Wndows XP environment of the user's PC, use the ipconfig\/release command to actively release the IP address. At this time, the user's PC sends a DHCP RELEASE message to the DHCP server.
- B. In the Windows 7 Wndows XP environment of the user PC, use the ipconfg\/release command to actively release the IP address. At this time, the user PC sends a DHCP REQUEST message to the DHCP server.
- C. In the Windows 7 Window XP environment of the user PC, use the iconfig\/renew command to actively apply for a new IP address. At this time, the user PC sends a DHCP DISCOVER message to the DHCP server.
- D. Use the ipconfig\/renew command to apply for a new IP address in the Windows7 Windows XP environment of the user's PC. At this time, the user's PC sends a DHCP RENEW message to the DHCP server.
Answer: A,D
NEW QUESTION # 85
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