Top Tips Of Up To Date H12-711_V3.0 Study Guides

NEW QUESTION 1

Which of the following types of encryption technology can be divided into? (multiple choice)

• A. Symmetric encryption
• B. Symmetric encryption
• C. fingerprint encryption
• D. data encryption

Answer: AB

NEW QUESTION 2

About the packet iniptablesDescription of the transfer process, which of the following options is incorrect?

• A. When a packet enters the network card, it first goes to matchPREROUTINGchain
• B. If the destination address of the data packet is the local machine, the system will send the data packet toINPUTchain.
• C. If the destination address of the data packet is not the local machine, the system sends the data packet toOUTPUTchain
• D. If the destination address of the data packet is not the local machine, the system sends the data packet toFORWARDchain.

Answer: C

NEW QUESTION 3

As shown in the figure, the clientAand serverBestablished betweenTCPconnection, two places in the figure"?"The message sequence number should be which of the following?

• A. a+1:a
• B. a:a+1
• C. b+1:b
• D. a+1:a+1

Answer: D

NEW QUESTION 4

SNMPWhat versions of the protocol are there? (multiple choice)

• A. SNMPv1
• B. SNMPv2b
• C. SNMPv2c
• D. SNMPv3

Answer: ACD

NEW QUESTION 5

On the surface, threats such as viruses, loopholes, and Trojan horses are the causes of information security incidents, but at the root, information security incidents are also closely related to people and the information system itself.

• A. True
• B. False

Answer: A

NEW QUESTION 6

aboutTCP/IPDescription of protocol stack packet decapsulation, which of the following is correct? (multiple choice)

• A. The data packet is first transmitted to the data link laye
• B. After parsing, the data link layer information is stripped, and the network layer information is known according to the parsing information, such as:IP
• C. transport layer (TCP) after receiving the data packet, the transport layer information is stripped after parsing, and the upper layer processing protocol is known according to the parsing information, such asUDP
• D. After the network layer receives the data packet, the network layer information is stripped after parsing, and the upper layer processing protocol is known according to the parsing information, such asHTTP
• E. After the application layer receives the data packet, the application layer information is stripped after parsing, and the final displayed user data is exactly the same as the data sent by the sender host

Answer: AD

NEW QUESTION 7

Which of the following are remote authentication methods? (multiple choice)

• A. RADIUS
• B. Local
• C. HWTACACS
• D. LLDP

Answer: AC

NEW QUESTION 8

Which of the following options are available for IPSec VPN peer authentication?

• A. Digital signature
• B. Digital certificate
• C. Digital envelope
• D. asymmetric key

Answer: ABC

NEW QUESTION 9

aboutNATAddress translation, which of the following statements is false?

• A. sourceNATconfiguration in technologyNATaddress pool, you can configure only one address poolIPaddress
• B. Address translation can be provided in the local area network according to the needs of usersFTP,WWW,Telnetand other services
• C. Some application layer protocols carry in the dataIPaddress information, make themNATWhen modifying the data in the upper layerIPAddress information
• D. for someTCP,UDPagreement (such asICMP,PPTP), cannot doNATconvert

Answer: D

NEW QUESTION 10

The key used by DES encryption is bits, while the key used by 3DES encryption is bits.

• A. 56168
• B. 64168
• C. 64128
• D. 56128

Answer: D

NEW QUESTION 11

When the user uses the session authentication method to trigger the firewall built-inPortalDuring authentication, users do not actively perform identity authentication, advanced service access, and device push"redirect"to the certification page

• A. True
• B. False

Answer: A

NEW QUESTION 12

In some scenarios, it is necessary toIPAddress conversion, but also to the purposeIPaddress translation, which of the following techniques is used in this scenario?

• A. two-wayNAT
• B. sourceNAT
• C. NAT-Server
• D. NAT ALG

Answer: A

NEW QUESTION 13

In the authentication policy of the firewall, ______ allows the user to not need to enter the user name and password, but can obtain the corresponding relationship between the user and the IP, so as to carry out policy management based on the user[fill in the blank]*

• A. Yes
• B. Not Mastered

Answer: A

NEW QUESTION 14

Which of the following NAT technologies can implement a public network address to provide source address translation for multiple private network addresses ( )*

• A. NAPT
• B. NAT Server
• C. Easy-ipCT Jinglu
• D. NAT No-PAT

Answer: B

NEW QUESTION 15

When using passive mode to establish an FTP connection, the control channel uses port 20 and the data channel uses port 21. ( )[Multiple choice]*

• A. True
• B. False

Answer: B

NEW QUESTION 16

againstIPspoofing attack (IP Spoofing), which of the following is an error?

• A. IPSpoofing attacks are based onIPaddress trust relationship to initiate
• B. IPAfter a successful spoofing attack, the attacker can use forged arbitraryIPThe address impersonates a legitimate host to access key information
• C. The attacker needs to put the sourceIPlandaddress masquerading as a trusted host and sendSYNmarkNote the data segment request connection
• D. based onIPThe hosts in the trust relationship of the addresses can log in directly without entering password authentication.

Answer: C

NEW QUESTION 17

aboutVPN, which of the following statements is false?

• A. Virtual private network is cheaper than private line
• B. VPNTechnology necessarily involves encryption
• C. VPNTechnology is a technology that multiplexes logical channels on actual physical lines
• D. VPNThe emergence of technology allows traveling employees to remotely access internal corporate servers

Answer: B

NEW QUESTION 18
......