2024 Updated H3C GB0-191-ENU Certification Study Guide Pass GB0-191-ENU Fast
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H3C GB0-191-ENU exam covers a wide range of topics related to network construction and management, including network design, implementation, maintenance, and troubleshooting. It tests the candidate's ability to configure and manage network devices, such as routers, switches, firewalls, and wireless access points. It also evaluates the candidate's knowledge of network protocols, security, and performance optimization.
H3C GB0-191-ENU exam consists of multiple-choice questions and is divided into different sections. GB0-191-ENU exam focuses on the knowledge and skills required to design and implement networks that meet the needs of small to medium-sized businesses. The questions are designed to test the candidate's ability to identify and troubleshoot network problems, as well as their knowledge of network protocols and technologies.
NEW QUESTION # 86
It is required to set a subnet mask to divide a class B network 172.16.0.0 into as many subnets as possible. Each subnet requires 500 hosts, so the subnet mask should be _____. (Dotted decimal format) slightly
Answer:
Explanation:
255.255.254.0
NEW QUESTION # 87
On the MSR router, when you delete a file using the delete command without parameters, the deleted file will be saved in ______.
- A. RAM
- B. Memory
- C. ROM
- D. Recycle-bin
Answer: D
NEW QUESTION # 88
The default control protocol port used by FTP is ______.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 89
Which of the following statements about frame relay are correct?
- A. Frame relay network can realize the interconnection between multiple nodes, and can broadcast a frame to all nodes at once
- B. Frame Relay DTE equipment can query the status of the permanent virtual circuit on the interface through LMI
- C. Permanent virtual circuit is a virtual circuit that is automatically allocated through the protocol, and its creation / deletion does not require manual operation
- D. Configure Inverse ARP to automatically discover the DLCI address of the opposite router
Answer: B
NEW QUESTION # 90
The two MSR routers are interconnected through their respective WAN interface S1/0, and RIPv2 is running on the two routers to dynamically complete the remote routing of each other. Now for security reasons, it is necessary to add verification on the RIP, so which of the following Is the RIP configuration correct?
- A. [MSR]rip authentication-mode simple 123
- B. [MSR-serial1/0]rip authentication-mode simple 123
- C. [MSR-rip-2]rip authentication-mode simple 123
- D. [MSR-rip-1] rip authentication-mode simple 123
Answer: B
NEW QUESTION # 91
A network environment looks like:
HostA----GE0/0--MSR-1--S1/0-----Frame Relay----S1/0--MSR-2--GE0/0----HostB
Among them, two routers MSR-1 and MSR-2 connect to the frame relay network through S1/0 respectively. Configure IP addresses 3.3.3.1/24 and DLCI 31 on the S1/0 interface of MSR-1, and configure IP addresses 3.3.3.2/24 and DLCI 82 on the S1/0 interface of MSR-2. The physical connection is completely normal, and the other default configurations are the same.
So which of the following statements are wrong? (multiple choice)
- A. In the frame relay network exchange process, the source DLCI is always 31, and the destination DLCI will change. Until the last hop, the destination DLCI becomes 82.
- B. On a frame relay network, the corresponding relationship between DLCI 31 connected to MSR-1 and DLCI 82 connected to MSR-2 must be correctly configured, so that the S1/0 interfaces of the two routers can communicate with each other.
- C. After configuring the command ip address negotiate on the S1/0 interface of MSR-1, it can dynamically obtain the address from MSR-2.
- D. On a frame relay network, DLCI 31 can identify MSR-1, and DLCI 82 can identify MSR-2.
Answer: A,C,D
NEW QUESTION # 92
In the process of establishing a PPP session, when authentication is set and the authentication is passed, the PPP link enters the ______ phase.
- A. Dead
- B. Network
- C. Terminate
- D. Establish
- E. Authentication
Answer: B
NEW QUESTION # 93
The customer's network connection looks like:
HostA----GE0/0--MSR-1--S1/0-----WAN-----S1/0--MSR-2--GE0/0----HostB
It is known that the IP address of GE0/0 of MSR-2 is 2.2.2.1/24. The network is currently operating normally, and the hosts HostA and HostB on both sides can communicate with each other. Now the following routing is configured on MSR-2:
ip route-static 2.2.2.1 24 NULL 0
So ______ . (Multiple choice)
- A. HostA can still ping 2.2.2.1
- B. HostA cannot ping 2.2.2.1
- C. You can still ping 2.2.2.1 on MSR-1
- D. Can't ping through MSR-1 2.2.2.1
Answer: A,C
NEW QUESTION # 94
The correct description of the startup process of the router system in the following options is ______.
- A. Decompress the application ------ load the application ------ start the bootrom ------ memory check
- B. start bootrom------ memory check------ load the application
- C. Memory detection ------ application decompression ------ application loading
- D. Memory check ------ start bootrom------ application decompression ------- application load
Answer: D
NEW QUESTION # 95
IPv6 host A wants to communicate with IPv6 host B, but does not know the link layer address of host B, so it sends a neighbor solicitation message. The destination address of the neighbor solicitation message is ______.
- A. Host A's requested node multicast address
- B. Host B's multicast address of the requested node
- C. Broadcast address
- D. Multicast addresses of all hosts
Answer: B
NEW QUESTION # 96
The correct statement about the STP protocol is ______. (Multiple choice)
- A. The one with the higher BridgeID value will be selected as the root bridge
- B. When the priority is the same, the smaller the MAC address, the higher the priority
- C. The default priority value of the H3C Ethernet switch is 32768
- D. The BridgeID value is a combination of the priority of the bridge and the MAC address of the bridge. The front is the priority, and the back is the MAC address.
- E. The smaller the priority value, the lower the priority
Answer: B,C,D
NEW QUESTION # 97
An empty-configured MSR router connects to the frame relay network through interface S1/0.
To achieve connectivity by configuring the frame relay sub-interface on this router, the correct description of the frame relay sub-interface is ______. (Multiple choice)
- A. Only one virtual circuit can be configured on a point-to-point subinterface
- B. For the network layer, there is no difference between the sub-interface and the main interface
- C. Multiple virtual circuits can be configured on the point-to-point type sub-interface
- D. Multiple sub-interfaces under one interface can be configured as the same IP subnet
Answer: A,B
NEW QUESTION # 98
Regarding the compressed expression of the IPv6 address 2001:0410:0000:0001:0000:0000:0000:45FF, which of the following is correct? (multiple choice)
- A. 2001:410::1::45FF
- B. 2001:410:0:1:0:0:0:45FF
- C. 2001:410:0:1::45FF
- D. 2001:41:0:1:0:0:0:45FF
Answer: B,D
NEW QUESTION # 99
The correct sequence of the steps in the startup process of detecting the router system is _________. (Fill in the code of each step one by one, there can be no spaces in between, such as: ABCD)
- A. Memory
- B. Start bootrom
- C. Application loading
- D. Unzip the application
Answer:
Explanation:
DCAB
NEW QUESTION # 100
The two branches of XYZ company are interconnected by a synchronous dedicated line, and HDLC is used as the encapsulation protocol.
The correct statement about HDLC security is ______.
- A. HDLC does not support verification.
- B. The security of HDLC is not as rich as that of PPP. HDLC can only use PAP authentication.
- C. HDLC is not as secure as PPP. It does not support PAP and CHAP authentication, but can only provide plaintext authentication.
- D. The security of HDLC is not strong, and two authentication methods are provided, but the user name and password in the authentication are transmitted in clear text.
Answer: A
NEW QUESTION # 101
A network connection is as follows:
HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB
The customer requires that only ICMP messages between HostA and HostB are restricted. Which of the following is feasible? (multiple choice)
- A. Configure an ACL on MSR-1 to prohibit ICMP packets from the source host HostB to the destination host HostA, and apply this ACL in the outbound direction of GE0/0 of MSR-1
- B. Configure an ACL on MSR-1 to prohibit ICMP packets from the source host HostB to the destination host HostA, and apply this ACL in the outbound direction of S1/0 of MSR-1
- C. Configure ACL on MSR-1 to prohibit ICMP packets from source host HostA to destination host HostB, and apply this ACL in the outbound direction of GE0/0 of MSR-1
- D. Configure ACL on MSR-1 to prohibit ICMP packets from source host HostA to destination host HostB, and apply this ACL in the outbound direction of S1/0 of MSR-1
Answer: A,D
NEW QUESTION # 102
According to user requirements, the administrator needs to configure the switch SWA port Ethernet1/0/1 as a Trunk port.
Which of the following commands is the correct configuration command?
- A. [SWA-Ethernet1/0/1]undo port link-type access
- B. [SWA-Ethernet1/0/1]port link-type trunk
- C. [SWA]port link-type trunk
- D. [SWA]undo port link-type access
Answer: B
NEW QUESTION # 103
Which of the following statements about CSMA/CD is correct is ______. (Multiple choice)
- A. If two stations start transmitting at the same time, they will hear the signal conflict and pause the frame transmission.
- B. CSMA/CD is applied in bus-type Ethernet, mainly to solve the problem of how to detect conflicts and ensure orderly transmission of data when multiple stations send data at the same time.
- C. The station can start transmitting its frame only when the channel is free.
- D. When a station connected to the Ethernet wants to transmit a frame, it must wait until the channel is free, that is, the carrier disappears.
Answer: A,B,C,D
NEW QUESTION # 104
During the establishment of the TCP connection as shown in the figure, the X part of the SYN should be filled with ________.
- A. b+1
- B. a
- C. b
- D. a+1
Answer: D
NEW QUESTION # 105
Customers need to configure two static routes to the same destination address on the router to achieve the purpose of mutual backup.
Then the correct statement about the configuration of these two routes is ______.
- A. Need to configure different Costs for the two routes
- B. Need to configure different Priority for the two routes
- C. Need to configure different MED for the two routes
- D. Need to configure different Preferences for the two routes
Answer: D
NEW QUESTION # 106
Which of the following statements about Ethernet is correct is ________. (Multiple choice)
- A. Ethernet adopts CSMA/CD mechanism
- B. Ethernet is a network based on shared media
- C. Ethernet transmission distance is short, the longest transmission distance is 500m
- D. None of the above statements are correct
Answer: A,B
NEW QUESTION # 107
The two WAN interfaces S1/0 and S1/1 of the router MSR-1 are connected to the routers MSR-2 and MSR-3 respectively. At the same time, the Ethernet port of MSR-1 is connected to MSR-4, and all four routers run RIP protocol. In the routing table of MSR-1, there is a route R from MSR-2 whose suppression time is activated, then ______. (Multiple choice)
- A. After the suppression time expires, if MSR-1 receives the update of route R from MSR-4, then MSR-1 will update the information of route R in the routing table
- B. Before the suppression time ends, if MSR-1 receives the update of route R from MSR-3, and its Cost is less than 16, then MSR-1 will release the suppression of route R and update the routing table
- C. Before the suppression time ends, if MSR-1 receives the update of route R from MSR-2, and its Cost is less than 16, then MSR-1 will release the suppression of route R and update the routing table
- D. The cost value of route R in the routing table of MSR-1 and MSR-2 is set to 16
Answer: A,C,D
NEW QUESTION # 108
The two routers of the customer are connected back-to-back through V.35 cables, and the PPP protocol is running on the V.35 interface, and the following interface information is available on one of the routers:
[MSR-Serial0/0]display interface Serial 0/0
Serial6/0 current state: UP
Line protocol current state: DOWN
From the above information, it can be inferred that ______. (Multiple choice)
- A. The IP addresses of the V.35 interfaces of the two routers may not be in the same network segment
- B. The LCP negotiation of PPP may not pass
- C. The physical connection between the two routers is normal, but the PPP protocol negotiation is not successful
- D. PPP verification may have failed
Answer: B,C,D
NEW QUESTION # 109
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H3C GB0-191-ENU exam is designed to assess the knowledge and skills of IT professionals who are responsible for constructing small- and medium-sized enterprise networks. Constructing Small - and Medium - Sized Enterprise Network certification exam is recognized globally as a measure of competency in network construction, and passing it is a valuable achievement for IT professionals who wish to advance their careers in this field.
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