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NEW QUESTION # 198
How many bits are there in the VLAN ID in the VLAN format defined by IEEE802.1Q?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 199
In the RSTP standard, in order to improve the convergence speed, the port that the switch is directly connected to the terminal can be defined as ( ).
- A. Edge port
- B. Fast port
- C. Root port
- D. Backup port
Answer: A
NEW QUESTION # 200
The IEEE 802.11ac standard only supports the 5GHz frequency band.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 201
The role of telnet.read_all() in Telnetlib is to read all data until EOF. If the echo does not return EOF, it will always be blocked.
- A. True
- B. False
Answer: A
NEW QUESTION # 202
Which of the following statement about static routing in Huawei equipment is wrong?
- A. The default value of the static route priority is 60
- B. The range of the static route priority value is 1-255
- C. When the priority of the static route is 0, the route will definitely be preferred.
- D. The cost value (Cost) of the static route cannot be modified.
Answer: B
NEW QUESTION # 203
The switch GO/0/1 port configuration information is shown in the figure. Which VLAN data frame does the switch forward without VLAN TAG?
#
interface GigabitEtherneto/o/1
port link-type trunk
port trunk pvid vlan 10
port trunk allow-pass vlan 10 20 304o
#
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 204
Connection between switches and hosts, which port link type is often used by the switch?
- A. Trunk link
- B. Access link
- C. Trunk link
- D. Hybrid link
Answer: B
NEW QUESTION # 205
The network administrator created VLAN 10 on the Layer 3 switch and configured an IP address under the virtual interface of the VLAN. When the command "display ip interface brief" is used to check the port status, it is found that the VLANIF 10 interface is in the down state. What should be done to restore the VLANIF 10 interface to normal?
- A. Use the command "undo shutdown" under VLANIF 10 interface
- B. Assign any physical interface to VLAN 10
- C. Assign a physical interface that must be Up to VLAN 10
- D. Add an interface that must be Up and must be of type Trunk into VLAN 10
Answer: A
NEW QUESTION # 206
Which of the following descriptions about firewalls is wrong?
- A. Firewall can realize access control between different networks
- B. Firewall can isolate networks with different security levels
- C. Firewall can realize user identity authentication
- D. The firewall cannot achieve network address translation
Answer: D
NEW QUESTION # 207
Which of the following messages is used by AP to request software version from AC?
- A. Software Request
- B. VRP System Request
- C. Image Data Request
- D. Image package Request
Answer: C
NEW QUESTION # 208
Which of the following IEEE 802.11 standards support operation in the 5GHz frequency band? (Multiple choice)
- A. 802.11n
- B. 802.11g
- C. 802.11ac
- D. 802.11a
Answer: C,D
NEW QUESTION # 209
Which of the following statements about link aggregation is correct?
- A. GE interface and FE interface cannot be added to the same Eth-Trunk interface.
- B. GE electrical interfaces and GE optical interfaces cannot be added to the same Eth-Trurnk interface.
- C. Eth-Trurnk interfaces cannot be nested.
- D. When two devices are connected, it is necessary to ensure that the link aggregation mode on both devices is the same.
Answer: C
NEW QUESTION # 210
The output information of a certain device is shown in the figure. Which of the following statements is correct? (Multiple Choice)
<Huawe1>display interface G1gabitEthernet 0/0/0
G1gabi tEthernet0/0/0 current state : UP
Line protocol current state : UP
Route Port, The Maximum Transmit Unit is 1000
Internet Address is 10.0.12.2/2 4
IP Sending Frames' Format is PRTFMT ETENT_2.Hardware address is 00e0- fc22- 4fff
Port Mode: FORCE COPPER
Speed : 100.Loopback: NONE
Duplex: FULL,Negotiation: DISABLE
Md1 : AUTO
Last 300 seconds input rate 24 bits/sec, 0 packets/sec
Last 300 seconds output rate 24 bits/sec, 0 packets/sec
- A. The IP address of the interface is 10.0.12.2/24
- B. The MAC address of the interface is 00e0-fc22-4fff
- C. The MTU value of this interface is 1000
- D. The working rate of this interface is 1Gbps
Answer: A,B,C
NEW QUESTION # 211
Telnet is based on TCP protocol.
- A. True
- B. False
Answer: A
NEW QUESTION # 212
Which parameter is used in the spanning tree protocol for root bridge election?
- A. Port ID
- B. Bridge ID
- C. Root path cost
- D. Bridge priority
Answer: D
NEW QUESTION # 213
The RSTP protocol uses the P/A mechanism to speed up the speed of the upstream port to the Forwarding state, but what is the reason why there is no temporary loop?
- A. Shorten the time of Forward Delay
- B. Speed up port role election
- C. Through the synchronization mechanism to ensure that no temporary loop occurs
- D. Edge ports are introduced
Answer: C
NEW QUESTION # 214
Which of the following cannot be the length of the IPv4 packet header?
- A. 32B
- B. 60B
- C. 20B
- D. 64B
Answer: D
NEW QUESTION # 215
In the WLAN architecture, the FIT AP cannot work independently and needs to be managed by the AC. Which of the following protocols are used to communicate between FIT AP and AC?
- A. WAP
- B. WEP
- C. CAPWAP
- D. IPsec
Answer: C
NEW QUESTION # 216
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