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NEW QUESTION 1
What is the port number used by the FTP protocol control plane? ()
- A. 23
- B. 24
- C. 21
- D. 22
Answer: C
NEW QUESTION 2
The role of the OSPF protocol is
- A. Pass routing information
- B. Transmit MAC information
- C. Pass ARP information
- D. No effect
Answer: A
NEW QUESTION 3
Using a traditional landline to make a call is a way of network communication. ()
- A. True
- B. False
Answer: A
NEW QUESTION 4
After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()
- A. Download the configuration file
- B. Establish a CAPWAP tunnel
- C. Request configuration file
Answer: C
NEW QUESTION 5
The FIT AP can obtain the IP address of AC. through the DHCP Option to establish a CAPWAP tunnel. Which Option needs to be configured on the DHCP server for this? ()
- A. Option 82
- B. Option 10
- C. Option 43
- D. Option 55
Answer: A
NEW QUESTION 6
The link aggregation interface can only be used as a Layer 2 interface (C)
- A. True
- B. False
Answer: A
NEW QUESTION 7
The following statement about static routing is wrong ()
- A. Cannot automatically adapt to changes in network topology
- B. Manual configuration by network administrator
- C. Low system performance requirements
- D. Routers need to exchange routing information
Answer: D
NEW QUESTION 8
All four switches run STP, and various parameters adopt default values. If the G0/0/2 port of switch C is blocked and the configuration BPDU cannot be sent through this port, how long will the blocked port in the network enter the forwarding state ()
- A. About 50 seconds
- B. About 30 seconds
- C. About 15 seconds
Answer: B
NEW QUESTION 9
The configuration of the country code will affect the frequency used for actual transmission and the maximum transmission power. ()
- A. True
- B. False
Answer: B
NEW QUESTION 10
As shown in the figure, there are three data packets captured by the administrator on the network. Which of the following statements is incorrect? (Single choice question)
- A. None of these three data packets contain application layer data
- B. These three data packets represent the three-way handshake process of TCP
- C. The telnet client uses port 50190 to establish a connection with the server
- D. The IP address of the telnet server is 10.0.12.1. The IP address of the telnet client is 10.0.12.2
Answer: D
NEW QUESTION 11
The administrator cannot log in to the Huawei router through Telnet, but other administrators can log in normally, so which of the following are the possible reasons? ()*
- A. The authority level of the administrator user account has been modified to 0
- B. The administrator user account has been disabled
- C. The Te1net service of the AR2200 router has been disabled
- D. The administrator user account has been deleted
Answer: BD
NEW QUESTION 12
Switch stacking supports more than two devices, and multiple switches can be grouped into a logical device through stacking. ()
- A. True
- B. False
Answer: A
NEW QUESTION 13
When planning a campus network, which of the following methods can be used to divide service VLANs? ()
- A. VLAN by business
- B. Divide VLAN by logical area
- C. Divide VLAN into J by geographical area
Answer: B
NEW QUESTION 14
The priority of OSPF routing protocol is ()
- A. 10
- B. 60
- C. 100
Answer: B
NEW QUESTION 15
Which of the following statements about RA. and RS messages in IPv6 are correct? ()*
- A. RS is used to request address prefix information
- B. R
- C. Used to reply address prefix information
- D. RS is used to reply address prefix information
Answer: BC
NEW QUESTION 16
In the network shown in the figure below, what commands can be entered on the router to make host A ping host B through? ()
- A. RTA:ip route-static 0.0.0.0 0.0.0.0 11.0.12.2RTB:ip route-static 0.0.0.0 0.0.0.0 11.0.12.1
- B. RTA:ip route-static 10.0.12.5 255.255.255.25211.0.12.2 RTB: route-static10.0.12.1255.255.255.25211.0.12.1
- C. RTA:ip route-static 0.0.0.0 0.0.0.0 11.0.12.1CRTB:ip route-static 0.0.0.0 0.0.0.0 11.0.12.2
- D. RTA:ip route-static 10.0.12.5 255.255.255.25211.0.12.1RTB:ip route-static 10.0.12.1 255.255.255.25211.0.12.2
Answer: AB
NEW QUESTION 17
RTA. Uses NAT technology and realizes many-to-many NAPT address translation by defining an address pool, so that hosts in the private network can access the public network. Assuming that there are only two public network P addresses in the address pool, and they have been assigned to hosts A and B for address conversion, and at this time, if the host also wants to access the public network, the following description is correct ().
- A. HostC.Unable to assign a public network address, and cannot access the public network
- B. All hosts can access the public network by using the public network address in turn
- C. RT
- D. Convert the source port of host C., the host can access the public network
- E. RT
- F. Assign interface address (200.10.10.3) to host
- G. Host C can access the public network
Answer: C
NEW QUESTION 18
As shown in the figure, a static NAT command is deployed on router R1. When the PC accesses the Internet, the destination address in the data packet will not change. ()(True or False)
- A. True
- B. False
Answer: A
NEW QUESTION 19
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