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NEW QUESTION 32
What is the Solicited-node multicast address corresponding to IPv6 address 2019:: 8:AB?

• A. FF02 :: 1 :: FF20 : 19
• B. FF02 :: 1 :: FF08 : AB
• C. FF02 :: 1 :: FE08 : AB
• D. FF02 :: FF08 : AB

Answer: B

 

NEW QUESTION 33
Which of the following description about the Layer 2 Ethernet switch is incorrect?

• A. Able to learn MAC address
• B. Forward according to the Layer 2 header information of the Ethernet frame
• C. It is necessary to make certain modifications to the layer 3 header of the forwarded message, and then forward it
• D. Layer 2 Ethernet switches work at the data link layer

Answer: C

 

NEW QUESTION 34
When two OSPF routers form a 2-WAY neighbor relationship, the LSDB has been synchronized.

• A. False
• B. True

Answer: A

 

NEW QUESTION 35
By default, what is the STP Forward Delay time in seconds?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: B

 

NEW QUESTION 36
A certain ACL of the router is in the following rules, rule deny source 192.168.2.0 0.0.0.255 destination 172.16.10.2 0.0.0.0 Which statement is correct?

• A. All TCP packets whose source IP is 192.168.2.1 and destination IP is 172.16.10.1 match this rule
• B. All TCP packets whose source IP is 192.168.2.1 and destination IP is 172.16.10.2 are configured with this rule.
• C. All TCP packets whose source IP is 172.16.10.2. Destination IP is 192.168.2.1 match this rule
• D. All TCP packets whose source IP is 172.16.10.2 and destination IP 192.168.2.0 match this rule

Answer: B

 

NEW QUESTION 37
Which of the following fields does the ARP packet format include? (Multiple choice)

• A. Protocol Address of sender
• B. Operation Code
• C. HardwareType
• D. Protocol Type

Answer: A,B,C,D

 

NEW QUESTION 38
On the VRP platform, what is the role of the command "interface vlanit <vlan-id>" ?

• A. No such command
• B. Create or enter VLAN virtual interface view
• C. Configure VLAN for a port
• D. Create a VLAN

Answer: B

 

NEW QUESTION 39
What are the characteristics of VLAN based on port?

• A. Add VLAN tags to the data frame according to the IP address carried in the message
• B. Assign VLAN ID according to the protocol type and encapsulation format of the data frame
• C. No need to reconfigure VLAN when the host moves
• D. The host mobile location needs to be reconfigured VLAN

Answer: D

 

NEW QUESTION 40
RADIUS is a common protocol to implement AAA.

• A. True
• B. False

Answer: A

 

NEW QUESTION 41
Which of the following statements about IPv6 address configuration are correct? (Multiple Choice)

• A. IPv6 address supports automatic configuration in multiple ways
• B. IPv6 supports stateless automatic configuration
• C. IPv6 address can only be configured manually
• D. IPv6 supports DHCPv6 for address configuration

Answer: A,B,D

 

NEW QUESTION 42
In what state does the OSPF protocol determine the master-slave relationship of DD packets?

• A. 2-way
• B. Exchange
• C. ExStart
• D. Full

Answer: A

 

NEW QUESTION 43
For the description of the PPP link establishment process, which of the following statement is wrong?

• A. In the Establish phase, the PPP link performs LCP parameter negotiation. The negotiation content includes the maximum receiving unit MRU, authentication method, magic word and other options.
• B. PPP link supports half-duplex and full-duplex modes
• C. In the Network phase, the PPP link performs NCP negotiation. Select and configure a network layer protocol through NCP negotiation, and negotiate network layer parameters
• D. After the NCP negotiation is successful, the PPP link will maintain the communication state and enter the Terminate phase.
• E. The Dead phase is also called the physical layer unavailable phase. When the two ends of the communication detect that the physical line is activated, they will migrate from the Dead phase to the Establish phase, which is the link establishment phase.

Answer: D

 

NEW QUESTION 44
Which of the following commands can be used to view the router's CPU usage?

• A. display memory
• B. display cpu-state
• C. display cpu-usage
• D. display interface

Answer: C

 

NEW QUESTION 45
Which field is added to the IPv6 packet header than the IPv4 packet header?

• A. Version
• B. Source Address
• C. Destination Address
• D. Flow Label

Answer: D

 

NEW QUESTION 46
As shown in the figure below, the wrong statement is:

acl number 2000]
rule 5 deny source 200.0.12.00.0.0.7 rule 10permit source200.0.12.00.0.0.15 #
interface GigabitEthernetO/0/1 traffic-filteroutbound acl2000

• A. The host whose source IP address is 200.0.12.2 cannot access the Internet
• B. The host whose source IP address is 200.0.12.4 cannot access the Internet
• C. The host whose source IP address is 200.0.12.6 cannot access the Internet
• D. The host whose source IP address is 200.0.12.8 cannot access the Internet

Answer: D

 

NEW QUESTION 47
Which of the following messages is used by AP to request software version from AC?

• A. VRP System Request
• B. Image Data Request
• C. Software Request
• D. Image package Request

Answer: B

 

NEW QUESTION 48
What is the maximum negotiation rate supported by the IEEE 802.llg standard?

• A. 1200Mbps
• B. 54Kbps
• C. 300Mbps
• D. 150Mbps

Answer: B

 

NEW QUESTION 49
The correct description of the information as shown in the figure is ().
[R1]display interface go/0/o
GigabitEthernet0/0/0 current state: Administratively DOWN Line protocol current state: DOWN

• A. GigabitEthernet 0/0/0 interface is connected to a wrong cable
• B. GigabitEthernet 0/0/0 interface does not enable dynamic routing protocol
• C. The GigabitEthernet 0/0/0 interface was manually closed by the administrator
• D. The GigabitEthernet 0/0/0 interface is not configured with an IP address

Answer: C

 

NEW QUESTION 50
Which of the following packet types is used by RADIUS to indicate authentication rejection?

• A. Access-Reject
• B. Access-Accept
• C. Access-Request
• D. Access-Challenge

Answer: A

 

NEW QUESTION 51
The router running the OSPF protocol reaches the FULL state first, and then synchronizes the LSDB.

• A. False
• B. True

Answer: A

 

NEW QUESTION 52
What kind of message does the OSPF protocol use to discover and maintain neighbor relationships?

• A. LSU
• B. HELLO
• C. DD
• D. LSR

Answer: B

 

NEW QUESTION 53
Refer to the route-in-a-stick configuration in the figure below, it can be judged that the administrative department and the financial department can communicate with each other even if the ARP proxy is not enabled on the R1 sub-interface.

• A. True
• B. False

Answer: A

 

NEW QUESTION 54
Which of the following advantages does router-on-a-stick achieve inter-VLAN routing intercommunication?

• A. Reduce the use of IP addresses
• B. Reduce the number of equipment
• C. Reduce routing table entries
• D. Reduce the number of link connections

Answer: D

 

NEW QUESTION 55
Using a traditional landline to make calls is a way of network communication.

• A. True
• B. False

Answer: A

 

NEW QUESTION 56
Which of the following methods can read data non-blocking in Python's telnetlib?

• A. telnet_read_very_lazy
• B. telnet._read_eager
• C. telnet_Read_all
• D. telnet_read _very_eager

Answer: B

 

NEW QUESTION 57
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