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Huawei HCIP-Carrier IP V2.0 Sample Questions:
1. Which of the following statements regarding multicast MAC address is correct?
A) The range of multicast MAC address is assigned by IEEE.
B) Multicast MAC address is composed of 23 bits.
C) The first six hexadecimal value of the multicast Mac address is 0x01005e.
D) On Ethernet, 28-bits of layer 3 multicast IP address are mapped into the 24-bits of the layer 2 multicast MAC address.
2. Which of the BGP attributes is Optional transitive attribute?
A) MED
B) LOCAL_PREF
C) AS_PATH
D) ORIGIN
E) NEXT_HOP
F) COMMUNITY
3. 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) False
B) True
4. 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.
5. 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) 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.
C) The VRRP packet is only forwarded in one IP network, so the TTL value is always set to 1.
D) The TTL value must be 255 In normal VRRP packet.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: F | Question # 3 Answer: B | Question # 4 Answer: A,B,C | Question # 5 Answer: B,D |
By Warner
