Latest Feb-2022 Huawei H31-124_v2.0 Dumps Updated 60 Questions
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NEW QUESTION 17
Administrators can change the priorities of default zones in the firewall as required.
- A. False
- B. True
Answer: A
NEW QUESTION 18
Which of the following statements disobey the basic principle of area division?
- A. Make all routers with larger routing-table into one area.
- B. 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.
- C. One network maybe includes high-end, mid-end and low-end routers. Generally, all of these routers will be in same area.
- D. If the ISP runs OSPF protocol in the whole province network, then one city can be taken as one area.
Answer: A,B,D
NEW QUESTION 19
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 generated locally as 12.12.12.1
- B. Change the next hop of the routes received from peer 12.12.12.2 as 12.12.12.2
- C. Change the next hop of the routes advertised to peer 12.12.12.2 as 12.12.12.1
- D. This command does not work at all
Answer: D
NEW QUESTION 20
Which of the following statements regarding the description of MPLS are correct?
- A. Egress LER forwards packets based on IP routing table.
- B. Core LSR forwards packets based on IP routing table.
- C. Ingress LER forwards packets based on label.
- D. Core LSR forwards packets based on label.
Answer: A,D
NEW QUESTION 21
Which of the following statements disobey the basic principle of area division?
- A. 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.
- 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. One network maybe includes high-end, mid-end and low-end routers. Generally, all of these routers will be in same area.
Answer: B,D
NEW QUESTION 22
Interface-based ACLs define rules based on inbound interfaces of packets to filter packets. Run the
"traffic-filter command to invoke the ACL.
- A. True
- B. False
Answer: A
NEW QUESTION 23
PIM-SM relies on particular unicast routing protocol for RPF check.
- A. False
- B. True
Answer: A
NEW QUESTION 24
Compared with VPLS, what are the characteristics of EVPN?
- A. 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.
- B. 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.
- 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. 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.
Answer: C
NEW QUESTION 25
Affinity attributes is link attributes in MPLS TE, it is configured under physical interface.
- A. True
- B. False
Answer: A
NEW QUESTION 26
Which of the following statements regarding the description of MPLS are correct?
- A. Egress LER forwards packets based on IP routing table.
- B. Core LSR forwards packets based on IP routing table.
- C. Ingress LER forwards packets based on label.
- D. Core LSR forwards packets based on label.
Answer: A,C,D
NEW QUESTION 27
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. False
- B. True
Answer: A
NEW QUESTION 28
Which of the following statements regarding IP address 224.0.0.1 are correct?
- A. It represents all the routers.
- B. It is a private IP address.
- C. It is a multicast IP address.
- D. It represents all the hosts and routers.
Answer: D
NEW QUESTION 29
Assuming that a router which only supports IP Precedence receives a packet marked with DSCP, which of the following statements is correct?
- A. The last three bits of DSCP are set to 101.
- B. The first three bits of DSCP are mapped into three bits of IP Precedence.
- C. All 8 bits of TOS are set to zero.
- D. Eight levels of AF in DSCP are mapped into eight levels of IP Precedence.
Answer: D
NEW QUESTION 30
Which of the following statements are correct?
- A. After VPN FRR is deployed, the end-to-end service convergence time is shorter than 1 second.
- B. Both TE FRR and VPN FRR are used to protect tunnels, and therefore they can replace each other.
- C. TE FRR Implements quick traffic switchovers if a PE becomes faulty.
- D. VPN FRR implements quick traffic switchovers if a PE becomes faulty.
Answer: A
NEW QUESTION 31
EVPN-VXLAN uses EVPN as the control plane and exchanges BGP EVPN routes between VTEPs to implement automatic V7EP discovery and host Information advertisement. This prevents unnecessary data traffic flooding.
- A. True
- B. False
Answer: A
NEW QUESTION 32
Which of the following statements about LAN switch is correct?
- A. LAN switch can modify the data field of the forwarded frame when necessary.
- B. LAN switch is transparent for user, it does not modify the data field of the forwarded frame.
- C. LAN switch can still operate normally even when loop exists.
- D. LAN switch can detect loop according to the contents of the packet.
Answer: A
NEW QUESTION 33
Which of the following are the functions of route redistribution?
- A. Import static route into dynamic routing protocols
- B. Import routes from RIP into OSPF
- C. Eliminate route loops
- D. Share routing information found by different routing protocols
Answer: A,B,D
NEW QUESTION 34
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 35
Which of the following statements regarding DIS election is correct?
- A. The IS-IS router with the highest priority in the whole broadcast network will be elected as the DIS.
- B. When the priority is the same, the router with higher IP address will be elected as the DIS.
- C. DIS election is configured manually.
- D. When a DIS fails, the backup DIS will take over.
Answer: A
NEW QUESTION 36
Which of the following are the features of Huawei IPRAN solution?
- A. One network, one set of O&M, full service bearing, lowest network construction cost and O&M cost; Visualized O&M, Reducing O&M Costs and Simple and Efficient.
- B. Based on a unified router platform and a unified VRP platform, IP RAN is compatible with PTN products.
- C. Supports Layer 3 networking and smooth evolution to LTE, protecting customers' investment.
- D. Oriented to FMC and Adapted to Future Development Requirements.
Answer: A
NEW QUESTION 37
Which of the following statement are correct regarding TTL value in VRRP packet?
- A. The TTL value of device from different manufactures is different; on VRP, the TTL value is 1.
- B. The TTL value must be 255 In normal VRRP packet.
- C. By default, the VRRP packet with TTL value not equal to 255 will be dropped; On VRP, we can use some commands to disable the function of delecting TTL value.
- D. The VRRP packet is only forwarded in one IP network, so the TTL value is always set to 1.
Answer: B,C
NEW QUESTION 38
Which of the following statements is correct regarding Hellolnterval in OSPF?
- A. Hellolnterval is 30 seconds for P2P and P2MP network by default.
- B. Hellolnterval is 10 seconds for NBMA and broadcast network by default.
- C. Hellolnterval can be modified by administraor.The smaller the value, the faster (he topology change discovery.
- D. The range of Hellolnterval is from 0 to 65535.
Answer: C
NEW QUESTION 39
Which of the BGP attributes is Optional transitive attribute?
- A. LOCAL_PREF
- B. ORIGIN
- C. AS_PATH
- D. NEXT_HOP
- E. MED
- F. COMMUNITY
Answer: F
NEW QUESTION 40
Which of the following multicast IP addresses is administratively scope address?
- A. 224.0.0.0-239.255.255.255
- B. 239.0.0.0-239.0.0.255
- C. 224.0.0.0-224.0.0.255
- D. 224.0.1.0-238.255.255.255
Answer: A
NEW QUESTION 41
Which of the following statements about the priority of zone in the Eudemon are correct?
- A. The priority of the Untrust zone is 15
- B. The priority of the Trust zone is 80
- C. The priority of the Local zone is 100
- D. The priority of the DMZ is 50
Answer: C,D
NEW QUESTION 42
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