H3C GB0-191-ENU Constructing Small – and Medium – Sized Enterprise Network Online Training
H3C GB0-191-ENU Online Training
The questions for GB0-191-ENU were last updated at Sep 08,2025.
- Exam Code: GB0-191-ENU
- Exam Name: Constructing Small - and Medium - Sized Enterprise Network
- Certification Provider: H3C
- Latest update: Sep 08,2025
The 802.11b protocol defines 14 channels in the 2.4 GHz frequency band , and there is overlap in spectrum between adjacent channels. In order to maximize the use of frequency band resources, which of the following channels can be used for wireless coverage ?
- A . 1 、 5 、 9
- B . 1 、 6 、 10
- C . 2 、 7 、 12
- D . 3 、 6 、 9
There are many kinds of WAN interfaces. The following description of the WAN interface is wrong ______ .
The AV24 protocol interface can work in both asynchronous and asynchronous modes. In asynchronous mode, the link layer uses PPP encapsulation.
The BV35 protocol interface can work in both asynchronous and asynchronous modes. In asynchronous mode, the link layer uses PPP encapsulation.
C. BRI / PRI interface is used for ISDN access, the default link encapsulation is PPP
The DG703 interface provides high-speed data synchronization communication services.
There are many kinds of WAN interfaces. The following description of WAN interfaces is correct ______ . (Multiple choices)
The AV24 protocol interface can work in both asynchronous and asynchronous modes. In asynchronous mode, the link layer uses PPP encapsulation.
The BV35 protocol interface can work in both asynchronous and asynchronous modes. In asynchronous mode, the link layer uses PPP encapsulation.
C. BRI / PRI interface is used for ISDN access, the default link encapsulation is PPP
The DG703 interface provides high-speed data synchronization communication services.
For the understanding of packet switching mode, the correct one in the following statement is ______ . (Multiple choices)
- A . Packet switching is based on store and forward ( Store-and-Forward Switching exchange) of
- B . The transmitted information is divided into packets of a certain length and forwarded in units of packets
- C . Each packet carries the address identification of the receiver and the sender, the packet can be directly forwarded without any operation, thereby improving efficiency
- D . Packet switching includes frame-based packet switching and cell-based packet switching
For the understanding of packet switching mode, the correct one in the following statement is ______ . (Multiple choices)
- A . Packet switching is a switching method based on cut-through switching
- B . The transmitted information is divided into packets of a certain length and forwarded in units of packets
- C . Packet switching includes frame-based packet switching and cell-based packet switching
- D . Each packet carries the address identification of the receiver and the sender, the packet can be directly forwarded without any operation, thereby improving efficiency
A company that establishes a company network needs to connect to a wide area network. The bandwidth of the connection is required to be greater than 1Mbps . Which of the following interfaces and protocols are available ? (Multiple choice)
AV35 protocol interface and cable, using PPP as the link layer protocol
BV35 protocol interface and cable, using Frame Relay as the link layer protocol
C. PRI interface and cable, bundle multiple time slots, use PPP as the link layer protocol
D. BRI interface and cable, bundle multiple time slots, use PPP as the link layer protocol.
The two routers of the customer are connected back to back through V.35 cable, and one of the routers has the following interface information: [MSR-Serial0 / 0] display interface Serial 0/0
Serial0/0 current state: UP
Line protocol current state: UP
Description: Serial6/0 Interface
The Maximum Transmit Unit is 1500 ， Hold timer is 10(sec)
Internet Address is 6.6.6.1/30 Primary
Link layer protocol is PPP
LCP opened ， IPCP opened
From the above information, you can know ______ . (Multiple choices)
- A . This router has completed PPP negotiation with the remote device and successfully established a PPP link
- B . The PPP PAP or CHAP authentication and verification options are successfully completed between this router and the remote device
- C . on this router can already ping through the peer address 6.6.6.2 that can not be judged by whether the verification, so the end does not necessarily address can ping through
- D . The interface information prompts that the second IP address subordinate can also be configured under this interface
The two routers of the customer are connected back-to-back via V.35 cable, and the PPP protocol is running on the V.35 interface , and the following interface information is on one of the routers:
[MSR-Serial0/0]display interface Serial 0/0
Serial6/0 current state: UP
Line protocol current state: DOWN
As can be inferred from the information ______ . (Multiple choices)
- A . The physical connection between the two routers is normal, but the PPP protocol negotiation is not successful
- B . PPP the LCP negotiation likely to fail
- C . PPP verification may have failed
- D . The IP addresses of the V.35 interfaces of the two routers may not be in the same network segment
The main link of a company’s MSR router is the synchronous asynchronous serial port, which is connected to the operator’s network through a V.35 cable; the router also uses an ISDN BRI interface as a backup link.
So regarding line bandwidth, which of the following statements are correct ? (Multiple Choice)
- A . The bandwidth of the backup line may be 64Kbps
- B . The bandwidth of the backup line may be 128Kbps
- C . The bandwidth of the backup line may be 144Kbps
- D . The bandwidth of the main link may be 1Mbps
ping is actually an application developed based on the ______ protocol.
- A . ICMP
- B . IP
- C . TCP
- D . UDP
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