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HCIA-Datacom Dumps H12-811-ENU Exam for Full Questions - Exam Study Guide
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NEW QUESTION # 256
What kind of message does the 0SPF protocol use to request the locally missing LSA? ()
- A. HELL0
- B. LSACK
- C. LSR
- D. LSU
Answer: C
NEW QUESTION # 257
CAPWAP protocol stipulates the communication standard between AC and Ap. Which of the following statements about CAPWAP protocol is correct?
- A. AP can encapsulate the user's data message in CAPWAP and forward it by AC
- B. In order to establish a CAPWAP tunnel, FIT Ap can only discover AC through broadcast messages
- C. CAPWAP In order to reduce the burden on the AP, a tunnel is used to transmit control messages and data messages at the same time
- D. CAPWAP is an application layer protocol based on TCP transmission
Answer: B
NEW QUESTION # 258
What is wrong about the ARP message? ()
- A. ARP request message is sent by broadcast
- B. ARP packets cannot be forwarded to other broadcast domains
- C. Any link layer protocol requires ARP protocol to assist in obtaining data link layer identification
- D. ARP reply message is sent by unicast party
Answer: C
NEW QUESTION # 259
What are the advantages of the OSPF protocol? ()*
- A. OSPF supports message authentication
- B. Support area division
- C. OSPF supports load sharing for equal-cost routes
- D. OSPF supports typeless inter-domain routing (CIDR)
Answer: A,B,C,D
NEW QUESTION # 260
The Management Information Base (MIB) (Management Information Base) is a virtual database that only exists on the NMS. ()
- A. False
- B. True
Answer: A
NEW QUESTION # 261
The tree network topology is actually a hierarchical star structure, which is easy to expand the network scale, but the higher the level, the more serious the network problem caused by the node failure ()
- A. True
- B. False
Answer: A
NEW QUESTION # 262
The router running the 0SPF protocol can reach the FULL state after completing the LSDB.
synchronization. ()
- A. True
- B. False
Answer: A
NEW QUESTION # 263
The tree network topology is actually a hierarchical star structure, which is easy to expand the network scale, but the higher the level, the more serious the network problem caused by the node failure.
- A. True
- B. False
Answer: A
NEW QUESTION # 264
The output information of the link aggregation port of a certain switch is as follows. If you want to delete Eth-Trunk1, which of the following commands is correct? ()
- A. inte GigabitEthernet 0./0/1 Undo eth-trunk Quit inte GigabitEthernet0./0/2 Undo ethtrunk Quit
- B. undo interface Eth-trunk 1
- C. inte GigabitEthernet 0./0/1 Undo eth-trunk Quit Undo interface eth-trunk 1
- D. inte GigabitEthernet 0./0/2 Undo eth-trunk Quit Undo interface eth-trunk 1
Answer: B
NEW QUESTION # 265
System-view (huawei) command-privilege level3 view user save is correct about the above configuration command ()
- A. Modify the permission level of the user view command to 3, and save the configuration
- B. Modify the permission level of the save command in the user view to 3
- C. Modify the user's authority level to 3, and save the configuration
- D. Modify the authority level of the save command used by a user to 3
Answer: B
NEW QUESTION # 266
Only the WPA2-PSK security policy supports the use of TKIP for data encryption. ()
- A. True
- B. False
Answer: A
NEW QUESTION # 267
In the switch MAC address table, which of the following entries will not age?
- A. Device MAC address table entry
- B. Static MAC address table entry
- C. Port MAC address table entry
- D. Dynamic MAC address table entry
Answer: B
NEW QUESTION # 268
Which of the following fields is not included in the HELLO packet of the OSPF protocol?
- A. Hellointerval
- B. Network mask
- C. Neighbor
- D. Sysname
Answer: D
NEW QUESTION # 269
The administrator hopes that RTA. uses static routing and preferentially sends data packets to RTB's Loopback0 interface through G0/0/1 port, while G0/0/2 is used as a backup. How to configure on RTA to achieve this requirement ()
- A. ip route-statiC.10.0.2.2255.255.255.255 10.0.12.2ip
Route-statiC.10.0.2.2255.n255.255.255 10.0.21.2 preference 40 - B. ip route-statiC.10.0.2.2255.255.255.25 5 10.0.12.2 preference 70 ip route- static/n10.0.2.2255.255.255.25510.0.21.2
- C. ip route-statiC.10.0.2.2255.255.255.255 10.0.12.2ip
Route-statiC.10.0.2.2255.255.n255.25510.0.21.2 - D. ip route-statiC.10.0.2.2255.255.255.25510.0.12.2ip
Route-statiC.10.0.2.2255.n255.255.255
Answer: D
NEW QUESTION # 270
As shown in the figure below, assuming the other configurations of the switch are kept in the default state, which port of the following switch will become the designated port? (Multiple Choice)
- A. SWC's G0/0/1
- B. SWA's G0/0/3
- C. SWC's G0/0/2
- D. SWB's G0/0/1
Answer: B,D
NEW QUESTION # 271
By default, the port cost calculated by STP has a certain relationship with the port bandwidth, that is, the greater the bandwidth, the () the cost.
- A. Not necessarily
- B. greater
- C. smaller
- D. Consistent
Answer: C
NEW QUESTION # 272
Which of the following fields is not included in the He1lo packet of the OSPF protocol? ()
- A. Network Mask
- B. sysname
- C. Neighbor
- D. HelloInterval
Answer: B
NEW QUESTION # 273
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