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Code d'Examen: H12-224
Nom d'Examen: Huawei (Huawei Certified Datacom Professional - Fast Certification - ENU)
Questions et réponses: 629 Q&As
Code d'Examen: HC-621
Nom d'Examen: Huawei (HCNP-SSAM(SAN Storage Advanced Management))
Questions et réponses: 296 Q&As
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NO.1 How many multicast IP addresses can be represented by an IP multicast MAC address?
A. 1
B. 23
C. 32
D. 24
Answer: C
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NO.2 Which of the following statements about the Smart Link group is false?
A. A Smart Link group has two interfaces at most. The two interfaces if configured are an active
interface and a standby interface.
B. Among the two interfaces in a Smart Link group, one is in the active state and the other one in
the standby state in normal situations.
C. When the active interface goes down, the Smart Link group automatically blocks it and changes
the status of the standby interface to active.
D. When the active interface recovers from a fault, traffic will be switched back to it immediately.
Answer: D
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NO.3 Which of the following statements about the firewall technology are true? (Select 3 Answers)
A. The network gateway of the application layer checks application-layer data carried in packets
passing through the gateway.
B. The network gateway for session status detection checks session information carried in packets
only at the session layer.
C. During packet filtering, the session status is checked and the whole data stream is analyzed.
D. Address proxy replaces IP addresses and port numbers of hosts within the network with the IP
address and port number of the proxy device or router.
Answer: A,B,D
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NO.4 As shown in the figure, SWA and SWB are two switches. Which statements are true? (Select 3
Answers)
A. Port0/ 3 can be an access interface
B. Port0/ 3 can be a hybrid interface
C. Port0/ 3 can be a trunk interface
D. None of the above
Answer: A,B,C
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NO.5 Which of the following packet drop policies can be applied to the congestion avoidance
mechanism? (Select 3 Answers)
A. Tail-drop
B. RED
C. WRED
D. WFQ
Answer: A,B,C
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NO.6 Which of the following statements are correct regarding default gateway of PC in the network
running VRRP?
A. Configure only one gateway for the PC which is the IP address of Master.
B. Configure only one gateway for the PC which is the IP address of virtual router.
C. Configure two gateways for the Pc which are the IP addresses of Master and Slave.
D. Configure three gateways for the PC which are the IP addresses of Master, Slave and virtual router.
Answer: B
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NO.7 RTA is a source's DR and RTB is an RP . A multicast source sends multicast data to RTA but RTB
cannot find any information about the multicast source (registered by using the PIM Register
message). Why? (Select 3 Answers)
A. RTB has no unicast routes to RTA.
B. RTA fails to learn RP information.
C. RTA has no unicast routes to RTB.
D. The RP learned by RTA is not RTB.
Answer: B,C,D
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NO.8 Which of the following statements about the link failure detection in STP protocol is not true?
A. When network topology is stable, the Designated Port sends BPDU packet at every Hello Time
interval.
B. When network topology is stable, BPDU packets will be transmitted periodically.
C. When the port does not receive new BPDU within a certain interval, the old configuration BPDU
will time out and the link failure can be detected.
D. The port sends Configuration BPDU at every Hello Time interval. When the link fails,
Configuration BPDU cannot be sent out. As a result, this port can detect the link failure.
Answer: D
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