Huawei HCNA-Security H12-711-ENU Braindumps

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Huawei HCIA-Security V3.0 Sample Questions:

1. What is the difference between network address port translation (NAT) and conversion-only network address (No-PAT)? (Multiple Choice)

A) After NATP conversion, for external network users, all messages are from the same IP address or several IP addresses.
B) No-PAT supports protocol address translation at the network layer
C) No-PAT only supports protocol address translation at the application layer.
D) NAPT only supports protocol address translation at the network layer.

2. ASPF (Application Specific Packet Filter) is a kind of packet filtering based on the application layer, it checks the application layer protocol information and monitor the connection state of the application layer protocol. ASPF by Server Map table achieves a special security mechanism.
Which statement about ASPF and Server map table are correct? (Multiple choice)

A) ASPF monitors the packets in the process of communication
B) ASPF dynamically create and delete filtering rules
C) ASPF through server map table realize dynamic to allow multi-channel protocol data to pass
D) quintuple server-map entries achieve a similar functionality with session table

3. IPSEC VPN technology does not support NAT traversal when encapsulated in ESP security protocol because ESP encrypts the packet header.

A) True
B) False

4. Digital certificate technology solves the problem that public key owners cannot determine in digital signature technology.

A) True
B) False

5. Which of the following attacks can DHCP Snooping prevent? (Multiple Choice)

A) Counterfeit DHCP lease renewal packet attack using option82 field
B) Intermediaries and IP/MAC spoofing attacks
C) DHCP Server counterfeiter attack
D) IP spoofing attack

Solutions: