Pass Huawei H31-124_v2.0 PDF Dumps | Recently Updated 60 Questions
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NEW QUESTION 21
BGP Is an exterior gateway protocol which runs among ASs. It focuses on routes control and selection of optimal routes rather than discovery and calculation of routes.
- A. False
- B. True
Answer: A
NEW QUESTION 22
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 23
Is the following statement correct or incorrect? Because a bypass tunnel Is manually created during TE FRR configuration, the constraint shortest path first (CSPF) does not need to be enabled.
- 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
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 26
Which of the following are two important working stages in PPPoE protocol?
- A. Discovery Stage
- B. NCP
- C. LCP
- D. Session Stage
Answer: A,D
NEW QUESTION 27
The Session ID of PPPoE could be changed during the whole Session Stage.
- A. False
- B. True
Answer: A
NEW QUESTION 28
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. False
- B. True
Answer: A
NEW QUESTION 29
Which of the following type of MPLS L2 VPN carries only one label on an MPLS network?
- A. SVC
- B. Martini
- C. Kompella
- D. CCC
Answer: C
NEW QUESTION 30
After the server receives the PADR sent by the client, which message will be sent as the response and to identify the connection?
- A. PADT
- B. PADS
- C. PADR
- D. PADO
Answer: B
NEW QUESTION 31
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 32
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 33
How does MPLS BGP VPN handle the problem of address overlapping of different VPN sites?
- A. To maintain separate VRF lor different VPN.
- B. To allocate unique RT for each VPN.
- C. To use different routing protocols In the backbone network for afferent VPN.
- D. To allocate different LSP for each VPN.
- E. To allocate unique RD for each VPN.
Answer: A,E
NEW QUESTION 34
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 35
If Adjacency Segment + Node Segment is used together, the entire path can be forced to include an adjacency and load balancing. This mode is called loose path.
- A. False
- B. True
Answer: A
NEW QUESTION 36
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 37
Which of the following statements about traffic policy In CBQ configuration are correct?
- A. The traffic policy applied to some interface can not be deleted.
- B. Traffic policy can be nested infinitely.
- C. Traffic policy is used to bind traffic classifier with traffic behavior.
- D. Traffic policy nesting means one QoS policy contains another QoS policy, the behavior of the parent policy Is a sub-policy.
Answer: A,C,D
NEW QUESTION 38
Which of the following statements regarding multicast MAC address is correct?
- A. Multicast MAC address is composed of 23 bits.
- B. The range of multicast MAC address is assigned by IEEE.
- C. On Ethernet, 28-bits of layer 3 multicast IP address are mapped into the 24-bits of the layer 2 multicast MAC address.
- D. The first six hexadecimal value of the multicast Mac address is 0x01005e.
Answer: D
NEW QUESTION 39
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 can still operate normally even when loop exists.
- C. LAN switch can detect loop according to the contents of the packet.
- D. LAN switch is transparent for user, it does not modify the data field of the forwarded frame.
Answer: D
NEW QUESTION 40
What are the main features of the SDN controller?
- A. Centralized networking
- B. Upgrading Routing Protocols
- C. Separating the Data Plane and Control Plane
- D. Open interface
Answer: A,C,D
NEW QUESTION 41
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 use different routing protocols In the backbone network for afferent VPN.
- C. To maintain separate VRF lor different VPN.
- D. To allocate different LSP for each VPN.
- E. To allocate unique RD for each VPN.
Answer: E
NEW QUESTION 42
The VRRP advertfse-lnterval is 2s, preempt mode is enabled, Delay Time is 3s, then which of the following is the Master_Down_Interval time?
- A. 6s
- B. 4s
- C. 9s
- D. 2s
Answer: D
NEW QUESTION 43
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 44
Which of the following statements is correct regarding Hellolnterval in OSPF?
- A. Hellolnterval is 30 seconds for P2P and P2MP network by default.
- B. The range of Hellolnterval is from 0 to 65535.
- C. Hellolnterval is 10 seconds for NBMA and broadcast network by default.
- D. Hellolnterval can be modified by administraor.The smaller the value, the faster (he topology change discovery.
Answer: B
NEW QUESTION 45
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 46
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