Get Started: H12-831-ENU Exam [2023] Dumps Huawei PDF Questions
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NEW QUESTION 92
MPLS has always been slower than IP forwarding.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 93
Which of the following description of TTL in MPLS Header is correct?
- A. To control label distribution
- B. TTL that acts like an IP header
- C. Control of upstream equipment for label distribution
- D. Limit the LSR
Answer: B
NEW QUESTION 94
In the NFV architecture, what are the specific underlying physical devices? (Multiple choice)
- A. Network equipment
- B. Air conditioning system
- C. server
- D. Storage Devices
Answer: A,C,D
NEW QUESTION 95
Which of the following commands can be used to view information about BGP VPNV4 routes and BGP private network routes on PE?
- A. display bgp routing-table ipv4-family vpnv4
- B. display bgp routing-table address-family vpnv4
- C. display vpnv4 bgp routing-table
- D. display bgp vpnv4 routing-table
Answer: D
NEW QUESTION 96
When using Sight to query historical alarms, which of the following conditions can be used to filter alarms? (Multiple choice)
- A. Time of first occurrence
- B. Alert Name
- C. Alarm level
- D. Alert Source
Answer: A,B,C,D
NEW QUESTION 97
In MPLS network, there are different operation types for labels, among which the meaning of "pop" action is?
- A. Remove the top label in the MPLS label stack
- B. Replace the top label with another value
- C. Add the top label to the MPLS label stack
- D. Replace the top label with another set of labels
Answer: A
NEW QUESTION 98
What technologies can Agile Controller implement for admission control? (Multiple choice)
- A. SACG Certification
- B. MAC authentication
- C. Portalii Certification
- D. 802.1X Authentication
Answer: A,B,C,D
NEW QUESTION 99
MACsec can provide users with secure MAC layer data transmission and reception services.
Which of the following is not a service provided by MACsec?
- A. Controllability Check
- B. Integrity Check
- C. Data source authenticity verification
- D. User Data Encryption
Answer: A
NEW QUESTION 100
Which of the following statements about ASPF and Servermap is true? (Multiple choice)
- A. ASPF determines whether packets pass through the firewall by dynamically generating ACLs
- B. ASPF checks application layer protocol information and monitors the application layer protocol status of the connection
- C. The Servermap table uses a five-tuple to represent a conversation
- D. Configure NAT Server to generate static Server-map
Answer: B,D
NEW QUESTION 101
Which of the following belong to the delivery process of dry MPLS VPN routes? (Multiple choice)
- A. The process of VRF route injection into MP-BGP
- B. The process of injecting MP-BGP routes into VRF
- C. Route exchange between CE and PE
- D. Distribution process of public network labels
Answer: A,B,C,D
NEW QUESTION 102
The three authorizations required for high-risk operations do not include:
- A. Administrative Authorization
- B. Customer Authorization
- C. Technology Authorization
- D. Administrative Authorization
Answer: D
NEW QUESTION 103
Since BGP is an EGP routing protocol, BGP routing policies can only be deployed between EBGP neighbors. Deploying routing policies between IBGP neighbors is invalid.
- A. True
- B. False
Answer: B
NEW QUESTION 104
OSPF is deployed in a campus to implement network interconnection, and OSPF is also enabled on the GE0/0/2 interface of R3. Area1 is deployed as an NSSA area, and the device addresses are shown in the figure.
An engineer configures a static route on R3 to access the loopback interface address of R4, and imports the static route in the OSPF process.
At this time, in the Type5LSA received by R1, the forwarding address (FA) is ( ). (Note: Please fill in the IP address without mask)
- A. 10.1.34.3
Answer: A
NEW QUESTION 105
MPLS is called Multi-Protocol Label Switching, which description is correct about the label in MPLS? (Multiple choice)
- A. The label stack organizes labels in a Last In First Out (Last In First Out) manner, processing labels from the top of the stack
- B. 4 bytes of fixed length on the label
- C. Labels are organized according to the Last In First Out (Last In First Out) method, and the labels are processed from the bottom of the stack
- D. Labels are encapsulated between the link layer and the network layer
Answer: A,B,D
NEW QUESTION 106
The QoS technique commonly used for congestion avoidance is?
- A. WRED
- B. GTS
- C. LR
- D. Car
Answer: A
NEW QUESTION 107
The role of Link-LSA in OSPFv3 does not include:
- A. Advertise the IPv6 prefix list of this interface to other routers on the link
- B. Advertise the options set in the Network-LSA originating from this link to other routers on the link
- C. Advertise the router's interface ID to other routers on the link
- D. Advertise the link-local address of this interface to other routers on the link
Answer: C
NEW QUESTION 108
A router's Network LSA is shown in the figure. Which of the following statements are correct? (Multiple choice)
- A. The priority of router DR is 100
- B. This router is the DR
- C. The Router ID of this router is 10.0.12.2
- D. The network segment where the router is located is 10.0.12.0/24
Answer: B,C,D
NEW QUESTION 109
The DHCP protocol can assign some TCP/IP-related parameter information to the client. In this process, DHCP defines a variety of messages. The encapsulation of these messages is?
- A. TCP encapsulation
- B. UDP Fashion
- C. PPP encapsulation
- D. IP Packaging
Answer: B
NEW QUESTION 110
What check items can be set by IPSG? (Multiple choice)
- A. Outgoing interface
- B. MAC address
- C. VLANID
- D. IP address
Answer: A,B,C,D
NEW QUESTION 111
View the running configuration in memory through display current-configuration.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 112
Which of the following statements about IS-IS (IPv4 6) is correct? (Multiple choice)
- A. Added TLV232236 to support IPv6 routing processing and calculation of IS-IS
- B. In order to support the processing and calculation of IPv6 routes, IS-IS adds NLPID to 129 TLV
- C. IS-IS works at the data link layer and only needs to add a new TLV to support IPv6
- D. By default, IS-IS enables the multi-topology feature
Answer: A,B,C
NEW QUESTION 113
The three basic characteristics of an SDN network architecture are:
- A. Transfer control separation, centralized control, open interface
- B. Transfer control separation, decentralized control, open interface
- C. Transfer control separation, centralized control, closed interface
- D. Centralized transfer control, centralized control, open interface
Answer: A
NEW QUESTION 114
Please match the following DHCP attack types with corresponding explanations.
Answer:
Explanation:
NEW QUESTION 115
Which of the following is the scope of manual setting of VRRP priority?
- A. 1~254
- B. 0~254
- C. 0~127
- D. 1~127
Answer: A
NEW QUESTION 116
Which of the following statements about MUX VLANs are true? (Multiple choice)
- A. Each Separate VLAN must be bound to a Principal VLAN
- B. The Principal VLAN can communicate with all VLANs in the MUX VLAI
- C. Each Group VLAN must be bound to a Principal VLAN
- D. Separate VLAN can communicate with all VLANs in MUX VLAN
Answer: A,B,C
NEW QUESTION 117
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