NEW QUESTION 1

The preservation of electronic evidence is directly related to the legal validity of the evidence. Only when the preservation conforms to legal procedures, can its authenticity and reliability be guaranteed. Which of the following is not an evidence preservation technology?

• A. Encryption Technology
• B. digital certificate technology
• C. digital signature technology
• D. Packet Tag Tracking Technology

Answer: D

NEW QUESTION 2

In the VGMP group state, if the device's own VGMP group priority is equal to the peer device's VGMP group priority, the device's VGMP group state is ( ). (answer in letters) (fill in the blank)

• A. Yes
• B. Not Mastered

Answer: A

NEW QUESTION 3

Which of the following options areIPSec VPNSupported encapsulation modes? (multiple choice)

• A. AHmodel
• B. tunnel mode
• C. transfer mode
• D. ESPmodel

Answer: BC

NEW QUESTION 4

Which of the following does not belong toLINUXoperating system?

• A. CentOS
• B. RedHat
• C. Ubuntu
• D. MAC OS

Answer: D

NEW QUESTION 5

When using the ______ function of SSL VPN, the virtual gateway will assign an intranet IP address to the access user, which is used for the access user to access the P resources of the intranet[fill in the blank]*

• A. Yes
• B. Not Mastered

Answer: A

NEW QUESTION 6

aboutIKE SA, which of the following descriptions is false?

• A. IKE SAis bidirectional
• B. IKEis based onUDPapplication layer protocol
• C. IKE SAit's forIPSec SAServices
• D. The encryption algorithm used by user data packets isIKE SADecide

Answer: D

NEW QUESTION 7

In tunnel encapsulation mode.IPSecThere is no need to have a route to the destination private network segment during configuration, because the data will be re-encapsulated to use the newIPThe header looks up the routing table.

• A. True
• B. False

Answer: B

NEW QUESTION 8

Which of the following are multi-user operating systems? (multiple choice)

• A. MSDOS
• B. UNIX
• C. LINUX
• D. Windows

Answer: BCD

NEW QUESTION 9

The content of intrusion detection covers all kinds of authorized and unauthorized intrusion behaviors. Which of the following behaviors does not belong to the scope of intrusion detection?

• A. Impersonate another user
• B. The administrator deletes the configuration by mistake
• C. Planting worm Trojans
• D. leak data

Answer: B

NEW QUESTION 10

After the company network administrator configures the dual-system hot backup, he wants to check the status of the current VGMP group, so he typed the command and displayed the following information
HRP_M<FW_A>_
Role: active, peer: active
Running priority:45000, peer:45000
Backup channel1 usage: 30x
Stab1 e time: 1days, 13 hours, 35 minutes
Last state change information: 2020-03-22 16:01:56 HRP core state changed, old_state=normal (active), new_state=normal
(active).local priority F 4 peer_priority 45000. Configuration:
hello interval: 1000ms preempt: 60s
mirror configuration:off mirror session:on
track trunk member:on auto-sync configuration:on
auto-sync connection- status:on adjust ospf cost:on
adjust ospfv3-cost:on adjust bgp-cost:on nat resource: off
Detail information on: Gigabi tEthernet0/0/1:up Gigabi tEthernet0/0/3:up ospf-cost: +0
then the command he typed in the blank is[fill in the blank]*

• A. Yes
• B. Not Mastered

Answer: A

NEW QUESTION 11

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 12

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

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

Answer: ABCD

NEW QUESTION 13

When configuring security policies, you can control traffic based on the user's _______.[fill in the blank]*

• A. Yes
• B. Not Mastered

Answer: A

NEW QUESTION 14

The interface on the firewall cannot forward traffic until it is added ( ). (fill in the blank)

• A. Yes
• B. Not Mastered

Answer: A

NEW QUESTION 15

Which of the following options are characteristic of symmetric encryption algorithms? (multiple choice)

• A. Fast encryption
• B. Confidential is slow
• C. Insecure key distribution
• D. High security of key distribution

Answer: AC

NEW QUESTION 16

Which of the following is not the business scope of the National Internet Emergency Response Center?

• A. Emergency handling of security incidents
• B. Warning and notification of security incidents
• C. Provide security evaluation services for government departments, enterprises and institutions
• D. Cooperate with other institutions to provide training services

Answer: D

NEW QUESTION 17

An employee of a company accesses the internal web server of the company through the firewall, and can open the web page of the website by using a browser, but the accessibility of the web server is tested by using the Pina command, and it shows that it is unreachable. What are the possible reasons? ( )[Multiple choice]

• A. The security policy deployed on the firewall allows the TCP protocol, but not the ICMP protocol
• B. The interface of the firewall connecting to the server is not added to the security zone
• C. The security policy deployed on the firewall allows the HTTP protocol, but not the ICMP protocol
• D. WEB server is down

Answer: A

NEW QUESTION 18

SIPprotocol usageSDPmessage to establish a session,SDPThe message contains a remote address or a multicast address

• A. True
• B. False

Answer: A

NEW QUESTION 19

The company administrator uses the ping command to test the connectivity of the network. If he needs to specify the source address of the ehco-request message, what are the additional parameters he needs?

• A. -i
• B. -a
• C. -C
• D. -f

Answer: C

NEW QUESTION 20
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