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Exam Name: HCNP-Security-CISN (Huawei Certified Network Professional - Constructing Infrastructure of Security Network)
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H12-721 Test Questions Total Q&A: 245 Questions and Answers
Last Update: 2014-09-24
Exam Name: HCNP-R&S-IERN (Huawei Certified Network Professional-Implementing Enterprise Routing Network)
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H12-221 Exam Prep Total Q&A: 225 Questions and Answers
Last Update: 2014-09-24
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NO.1 The DHCP Snooping binding table function needs to maintain its binding table of contents
that include? (Choose three answers)
A. MAC
B. Vlan
C. Interface IP
D. DHCP Server's
Answer: A,B,C
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NO.2 In IPsec VPN with NAT traversal, you must use IKE aggressive mode.
A. TRUE
B. FALSE
Answer: B
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NO.3 A SSL VPN login authentication is unsuccessful, and the prompt says "wrong user name or
password." What is wrong?
A. The username and password entered incorrectly.
B. There is a user or group filter field configuration error.
C. There is a certificates filter field configuration error.
D. The administrator needs to configure the source IP address of the terminal restriction policy.
Answer: D
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NO.4 Two endpoints cannot build a successful IPsec VPN session. Which of the following firewall
configuation errors could be the problem? (Choose three answers)
A. A device does not have a route to the peer within the network.
B. A gateway configuration on both ends with the referenced ACL security policy
C. The gateway configuration on both ends of the IPsec proposal is inconsistent.
D. Both ends are not configured for DPD.
Answer: A,B,C
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NO.5 Which of the following are correct regading TCP and TCP proxy on the reverse source
detection? (Choose three answers)
A. TCP and TCP proxy detection can prevent reverse source SYN Flood.
B. TCP proxy acts as a proxy device. TP is connected between both ends, when one end initiates a
connection with the device it must complete the TCP three-way handshake.
C. With TCP proxy mode attack prevention, detection mechanism must be turned on.
D. TP reverse source probes to detect the source IP packets by sending a Reset.
Answer: A,B,C
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NO.6 A man in the middle attack refers to an intermediate that sees the data exchange between
server and client. To the server, all messages appear to be sent to or received from the client; and to
the client all the packets appear to have been sent to or received from the server. If a hacker is using
the man-in-the-middle attack, the hacker will send at least two data packets as shown to achieve
this attack.
Which of the following packet 1 and packet 2 Field Description is correct? (Choose two answers)
A. Packet 1: Source IP 1.1.1.1 Source MAC C-C-C The purpose of IP 1.1.1.2 The purpose of Mac B-B-B
B. Packet 1: Source IP 1.1.1.3 Source MAC C-C-C The purpose of IP 1.1.1.2 The purpose of Mac B-B-B
C. Packet 2: Source IP 1.1.1.2 Source MAC C-C-C The purpose of IP 1.1.1.1 The purpose of Mac A-A-A
D. Packet 2: Source IP 1.1.1.3
Source MAC C-C-C The purpose of IP 1.1.1.1 The purpose of Mac A-A-A
Answer: A,C
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NO.7 Regarding IKE main mode and aggressive modes, which of the following statements is correct?
A. In savage mode with the the first phase of negotiation, all packets are encrypted
B. All main mode packts under the first phase of negotiation are encrypted
C. The DH algorithm is used in aggressive mode
D. Whether the negotiation is successful or not, IKE will enter into fast mode
Answer: C
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NO.8 A network is shown below.
A dial customer cannot establish a connection via a VPN client PC and USG (LNS) l2tp vpn. What are
valid reasons for this failure? (Choose three answers)
A. LNS tunnel tunnel name change is inconsistent with the client name.
B. L2TP tunnel authentication failed.
C. PPP authentication fails, PPP authentication mode set on the client PC and LNS inconsistent.
D. Client PC can not obtain an IP address assigned to it from the LNS.
Answer: B,C,D
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