[2022] Use Real Huawei Dumps - 100% Free H31-124_v2.0 Exam Dumps
Realistic H31-124_v2.0 Dumps Latest Huawei Practice Tests Dumps
NEW QUESTION 36
Which of the following statements disobey the basic principle of area division?
- A. One network maybe includes high-end, mid-end and low-end routers. Generally, all of these routers will be in same area.
- B. Make all routers with larger routing-table into one area.
- C. If the ISP runs OSPF protocol in the whole province network, then one city can be taken as one area.
- D. In the network, there are some sub networks such as 110.1.1.0/24,110.1.2.0/24,110.1.3.0/24, 120.1.1.0/24,120.1.2.0/24 ,120.1.3.0/24.Then all the routers belonging to 110 network can be configured in one area.
Answer: A,B
NEW QUESTION 37
Which of the following statements regarding multicast MAC address is correct?
- A. The range of multicast MAC address is assigned by IEEE.
- B. The first six hexadecimal value of the multicast Mac address is 0x01005e.
- C. Multicast MAC address is composed of 23 bits.
- D. On Ethernet, 28-bits of layer 3 multicast IP address are mapped into the 24-bits of the layer 2 multicast MAC address.
Answer: B
NEW QUESTION 38
How does MPLS BGP VPN handle the problem of address overlapping of different VPN sites?
- A. To allocate unique RT for each VPN.
- B. To allocate different LSP for each VPN.
- C. To allocate unique RD for each VPN.
- D. To maintain separate VRF lor different VPN.
- E. To use different routing protocols In the backbone network for afferent VPN.
Answer: C,D
NEW QUESTION 39
The OF election mechanism avoids network resource waste caused by repeated traffic received by CE1 from two PEs. Which of the following NIRI Is used to implement this feature?
- A. Ethernet Segment Route
- B. Inclusive Multicast Route
- C. MAC advertisement route
- D. Ethernet Auto-Discovery route
Answer: D
NEW QUESTION 40
VXLAN uses MAC in UDP encapsulation to extend Layer 2 networks and encapsulates Ethernet packets on IP packets. When packets are transmitted on a routed network, the intermediate touting device does not need to learn inner MAC addresses.
- A. True
- B. False
Answer: A
NEW QUESTION 41
Which of the following statements about layer 2 LAN switch are incorrect?
- A. LAN switch can learn Mac address automatically.
- B. LAN switch operates at data link layer.
- C. LAN switch will modify the data link layer header of the packet and then forward it.
- D. LAN switch will modify the network layer header of the packet and then forward it.
Answer: A
NEW QUESTION 42
Affinity attributes is link attributes in MPLS TE, it is configured under physical interface.
- A. True
- B. False
Answer: B
NEW QUESTION 43
The following commands ate configured on the router running BGP:
bgp 100
peer 12.12.12.2 as-number 200
ipv4familyunicast
network 1,1.1.1 255.255.255.255
undo synchronization
peer 12.12.12.2 enable
peer 12.12.12.2 next-hop-local
The IP address of the router's interface connected with peer 12.12.12.2 is 12.12.12.1. What's the function of the command "peer
12.12.12.2 next-hop-local"?
- A. Change the next hop of the routes received from peer 12.12.12.2 as 12.12.12.2
- B. This command does not work at all
- C. Change the next hop of the routes advertised to peer 12.12.12.2 as 12.12.12.1
- D. Change the next hop of the routes generated locally as 12.12.12.1
Answer: A
NEW QUESTION 44
Which of the following multicast IP addresses is administratively scope address?
- A. 224.0.1.0-238.255.255.255
- B. 224.0.0.0-239.255.255.255
- C. 239.0.0.0-239.0.0.255
- D. 224.0.0.0-224.0.0.255
Answer: B
NEW QUESTION 45
Compared with VPLS, what are the characteristics of EVPN?
- A. By using the EVPN technology, PB on the carrier's backbone network do not need to establish full connections, which greatly reduces the network complexity and reduces the number of signaling messages.
- B. The PE learns the local and remote MAC addresses and their IP addresses through ARP and MAC address advertisement routes, and caches the information locally to prevent ARP request packets from being broadcast to other PEs and reduce network resource consumption.
- C. EVPN enables a device to implement load balancing among multiple EVPN routes with the same destination MAC address but different next hops when managing MAC addresses.
- D. EVPN needs to be configured to be in full connection state on all PEs on the carrier's backbone network.
That is, PWs must be set up between any two PEs.
Answer: A,B,C
NEW QUESTION 46
Which of the following access modes can be used by leaf nodes in a data center?
- A. ToR Stack Deployment
- B. ToR Deploying an SVF System
- C. Deploying the M-Lag on the ToR
- D. Single-node system deployment
Answer: A,B,C
NEW QUESTION 47
Which of the following type of MPLS L2 VPN carries only one label on an MPLS network?
- A. CCC
- B. Kompella
- C. Martini
- D. SVC
Answer: B
NEW QUESTION 48
Which of the following statements about layer 2 LAN switch are incorrect?
- A. LAN switch operates at data link layer.
- B. LAN switch will modify the data link layer header of the packet and then forward it.
- C. LAN switch will modify the network layer header of the packet and then forward it.
- D. LAN switch can learn Mac address automatically.
Answer: B,C
NEW QUESTION 49
Which of the following statements about CAR are correct?
- A. CAR can be used for incoming interface and outgoing interface.
- B. CAR uses token bucket mechanism to measure traffic and allocate bandwidth.
- C. CAR can be used to limit the rate of the specific type of traffic.
- D. CAR and queue scheduling cannot be used at the same time because of confliction.
Answer: D
NEW QUESTION 50
There are two MAC address learning modes in the VPLS: unqualified and qualified. In qualified mode, all VLANs are processed by the same VSI and they share the same broadcast domain or MAC address space.
- A. True
- B. False
Answer: A
NEW QUESTION 51
Which of the statements about BGP UPDATE message are correct?
- A. BGP uses Update message to implement routing information updating.
- B. One UPDATE message can advertise multiple routes at one time, and the path attributes can be different.
- C. One UPDATE message can include multiple unreachable routes.
- D. One UPDATE message can advertise multiple routes at one time, but the path attributes must be the same.
Answer: A,C,D
NEW QUESTION 52
What are the main features of the SDN controller?
- A. Separating the Data Plane and Control Plane
- B. Centralized networking
- C. Upgrading Routing Protocols
- D. Open interface
Answer: A,B,D
NEW QUESTION 53
Which of the following is not a feature of Segment Routing?
- A. In addition, the centralized control mode of the controller and the distribution control mode of the forwarder are supported, and the balance between centralized control and distributed control is provided.
- B. Uses the source routing technology to provide fast interaction between the network and upper-layer applications.
- C. By extending existing protocols (such as IGP), the existing network can be smoothly evolved.
- D. Segment Routing is a connection-oriented technology that maintains the connection status.
Answer: A
NEW QUESTION 54
Compared with VPLS, what are the characteristics of EVPN?
- A. EVPN enables a device to implement load balancing among multiple EVPN routes with the same destination MAC address but different next hops when managing MAC addresses.
- B. EVPN needs to be configured to be in full connection state on all PEs on the carrier's backbone network. That is, PWs must be set up between any two PEs.
- C. The PE learns the local and remote MAC addresses and their IP addresses through ARP and MAC address advertisement routes, and caches the information locally to prevent ARP request packets from being broadcast to other PEs and reduce network resource consumption.
- D. By using the EVPN technology, PB on the carrier's backbone network do not need to establish full connections, which greatly reduces the network complexity and reduces the number of signaling messages.
Answer: A
NEW QUESTION 55
When configuring Diff-Serv in QoS, the edge router on Diff-Serv network classify packets according to its source address, destination address or other parameters, assigning different IP precedence for different packets, while other routers classify packets according to IP precedence.
- A. True
- B. False
Answer: A
NEW QUESTION 56
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