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H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. The correct statement about malformed message defense is ______ .

A) To defend against malformed message attacks, it is necessary to conduct targeted defense against the characteristics of each attack
B) The ping of death attack uses oversized packets to attack
C) abnormal shaped TCP packet attack by TCP attacks flag is set to a specific value of the packets
D) Teardrop attacks use the loopholes of overlapping movement during UDP packet reassembly to attack

2. In BGP MPLS VPN networking, the two PE of between BGP neighbor has been established successfully, but the MP-BGP reason can not establish a neighbor might be _______ .

A) The public network route between two PEs is unreachable
B) The corresponding neighbor is not enabled in the VPNv4 address family of BGP
C) There is no VPN that needs to communicate between the two PEs
D) There is no MPLS public network tunnel established between PEs

3. Which of the following descriptions about AH ( Authentication Head ) and ESP ( Encapsulating Security Payload ) are correct?

A) two can be used simultaneously
B) two who can provide data origin authentication and optional anti-replay service
C) AH cannot provide data integrity protection
D) two who can provide confidentiality protection

4. In a not yo enable MPLS down the number of the second jump technology BGP MPLS VPN group network, the private network packet arrived last hop PE , the following statement is correct is ______ .

A) reported two packets of MPLS label value is definitely not the same
B) The two-layer MPLS label value of the packet may be the same
C) The message has only one MPLS label header
D) The message has two layers of MPLS label headers

5. Among the control messages defined by the MPCP protocol, the one sent by the ONU is

A) Report
B) Reporter Req
C) Reporter
D) Reporter ALXK
E) GATE

Solutions: