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The H3C GB0-191-ENU certification exam is an excellent opportunity for IT professionals to enhance their skills and advance their careers in network engineering and management. With its focus on small and medium-sized enterprise networks, this certification is particularly valuable for those who work in this sector or aspire to do so. By passing the exam, candidates can join a community of certified professionals who are recognized for their expertise in H3C's networking solutions.
The H3C GB0-191-ENU (Constructing Small - and Medium - Sized Enterprise Network) Certification Exam is a globally recognized certification exam that focuses on the construction and maintenance of small to medium-sized enterprise networks. The exam is designed for individuals who are seeking to enhance their knowledge and skills in network design, installation, and maintenance. The certification is particularly beneficial for network engineers, IT managers, and other professionals who work in the field of network infrastructure.
NEW QUESTION # 11
Which part of the subnet division technology is implemented on the basis of the natural classification of IP address division?
- A. host number part
- B. Network number part
- C. prefix part
- D. Subnet number part
Answer: D
NEW QUESTION # 12
There are many kinds of WAN interfaces. The following description of the WAN interface is wrong.
- A. The V.24 protocol interface can work in both synchronous and asynchronous modes. In the asynchronous mode, the link layer uses PPP encapsulation.
- B. The G.703 interface provides high-speed data synchronous communication services.
- C. BRI/PRI interface is used for ISDN access, the default link encapsulation is PPP
- D. The V.35 protocol interface can work in both synchronous and asynchronous modes. In the asynchronous mode, the link layer uses PPP encapsulation.
Answer: D
NEW QUESTION # 13
The customer's network connection is shown in the figure.
Among them, the IP addresses of RTA, RTB, and RTC are respectively 2.2.2.1/24, 2.2.2.2/24, 2.2.2.3/24. To realize the intercommunication between RTA, RTB and RTC, configure the following frame relay MAP on RTA correct ?
- A. fr map ip 2.2.2.1 40
- B. fr map ip 2.2.2.2 40
- C. fr map ip 2.2.2.1 40 60
- D. fr map ip 2.2.2.3 50
Answer: B,D
NEW QUESTION # 14
You see the following prompt information on the router MSR-1:
[MSR-1]display firewall-statistics all
Firewall is enable, default filtering method is'permit'.
Interface: GigabitEthernet0/0
In-bound Policy: acl 3000
Fragments matched normally
From 2008-11-08 2:25:13 to 2008-11-08 2:25:46
0 packets, 0 bytes, 0% permitted,
4 packets, 240 bytes, 37% denied,
7 packets, 847 bytes, 63% permitted default,
0 packets, 0 bytes, 0% denied default,
Totally 7 packets, 847 bytes, 63% permitted,
Totally 4 packets, 240 bytes, 37% denied.
Based on this, it can be inferred that ______. (Multiple choice)
- A. 0% denied default in the above information means that the default matching rule of the ACL is deny
- B. ACL 3000 is applied in the inbound direction of GigabitEthernet0/0
- C. From the 37% denied in the above information, it can be seen that there are data matching the rules in ACL 3000
- D. Some packets do not match the rules in ACL 3000, but match the default permit rules
Answer: B,C,D
NEW QUESTION # 15
An MSR router needs to learn routing information through RIP, and the following configuration is made on the router: rip 1 network 0.0.0.0 Then the correct explanation for this configuration is ______.
- A. All interfaces on this router enable RIP
- B. RIP will publish a default route of 0.0.0.0
- C. When RIP is not enabled on this router
- D. This configuration is incorrect
Answer: A
NEW QUESTION # 16
On the MSR router, if you want to view the number of packets translated by NAT, you should use the ______ command.
- A. display nat
- B. display acl
- C. display nat session
- D. display nat counter
Answer: B
NEW QUESTION # 17
The IP protocol corresponds to layer ______ of the OSI reference model.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 18
Which of the following descriptions about Frame Relay DLCI are correct? (multiple choice)
- A. On the same link, each virtual circuit is identified by a unique DLCI
- B. When the frame relay switching network transmits frame relay frames, it only changes its destination DLCI, that is, the value of the next hop DLCI, and does not change the value of the source DLCI of the sender
- C. DLCI is used to identify a physical interface or logical interface on the router
- D. The range of DLCI that users can use is 16~1007
Answer: A,D
NEW QUESTION # 19
Which of the following options describes the parameters that can uniquely determine a TCP connection?
- A. None of the above
- B. source port number, source IP address
- C. source MAC address, destination MAC address
- D. source port number, destination port number
- E. Destination port number, destination IP address
Answer: A
NEW QUESTION # 20
A company needs to connect to the WAN to form a corporate network, and the bandwidth of the connection is required to be greater than 1Mbps. Which of the following interfaces and protocols are available?
- A. V.35 protocol interface and cable, using PPP as the link layer protocol
- B. PRI interface and cable, bundle multiple time slots, use PPP as the link layer protocol
- C. V.35 protocol interface and cable, using Frame Relay as the link layer protocol
- D. BRI interface and cable, bundling multiple time slots, using PPP as the link layer protocol.
Answer: A,B,C
NEW QUESTION # 21
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. The security of HDLC is not as rich as that of PPP. HDLC can only use PAP authentication.
- B. HDLC does not support verification.
- 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: B
NEW QUESTION # 22
There is a default route in the router's routing table, its destination network segment and mask are both 0.0.0.0, and its next hop is the router's S0/0 interface, then the following description of this route is correct. ______. (Multiple choice)
- A. When the router receives a data packet to the destination address 120.1.1.1, if there is no other exact match in the router table, then the data packet will match this default route
- B. The metric value of this route may be 3
- C. The priority of this route may be 100
- D. The route has the shortest mask, so the data packet will be forwarded according to the default route only if there is no other route matching the data packet
Answer: A,B,C,D
NEW QUESTION # 23
Use the ______ command on the MSR series router to display the current path of the file system.
- A. current-path
- B. pwd
- C. path
- D. dir
Answer: B
NEW QUESTION # 24
As shown in the figure, there are 4 ways to divide the OSPF area, which one is correct? (multiple choice)
- A. Picture 1
- B. Figure 3
- C. Picture 2
- D. Figure 4
Answer: A,B,C,D
NEW QUESTION # 25
A user wants to use WAN access. Because the average business volume is very small, the average bandwidth is only 50Kbps, but the real-time requirements are very high. The user's budget is very limited, so the cost of use must be considered. The most suitable access method is ______.
- A. DDN dedicated line
- B. PSTN dial
- C. ISDN BRI
- D. ISDN PRI
Answer: C
NEW QUESTION # 26
NAPT mainly converts the ______ information of the data packet? (multiple choice)
- A. Data link layer
- B. Application layer
- C. Network layer
- D. Transport layer
Answer: C,D
NEW QUESTION # 27
The customer's network structure is shown in the figure.
To achieve the following requirements:
1. Host C and Host B visit each other
2. Host B and Host A cannot visit each other
3. Host A and Host C cannot visit each other
So ______ . (Multiple choice)
- A. Apply advanced ACLs on the GE0/0 interfaces of the two routers to achieve this requirement
- B. Apply advanced ACL on MSR-1 interface S1/0 and GE0/0 respectively to achieve this requirement
- C. Only apply advanced ACL on MSR-1 interface GE0/0 to achieve this requirement
- D. Only applying ACL on interface GE0/0 of MSR-1 cannot meet this requirement
Answer: A,B,C
NEW QUESTION # 28
What is wrong about the IP address below is ______. (Multiple choice)
- A. The network number of the Class A IP address has 8 digits, and the actual variable number is 7 digits.
- B. The first octet of a class C IP address starts with 100.
- C. Address translation (NAT) technology is usually used to solve the conversion of class A addresses to class C addresses.
- D. IP address consists of two parts: network number and host number.
Answer: B,C
NEW QUESTION # 29
After executing the display command on the switch SWA, the switch output is as follows: From the above output, you can judge ______. (Multiple choice)
- A. The host with IP address 172.16.0.1 is connected to port GE0/0
- B. The above entries are statically configured by the administrator
- C. The host with MAC address 001c-233d-5695 is connected to port GE0/1
- D. The above entries are dynamically generated by the switch
Answer: A,D
NEW QUESTION # 30
On the MSR router, I hope to adjust the Keepalive packet time of the HDLC protocol to 20 seconds. The correct configuration is ______.
- A. In the interface view, use the hold time 20 command
- B. In the system view, use the command hdlc timer hold 20
- C. In the system view, use the command hdlc hold time 20
- D. In the interface view, use the command timer hold 20
Answer: D
NEW QUESTION # 31
The three MSR routers are connected as shown in the figure.
All three routers belong to OSPF Area 0, and at the same time, the interconnection network segments of the three routers are advertised in Area 0 through the network command. On RTC, the network segment NET-1 is also published in OSPF Area 0 through the network command. The OSPF Cost between the three routers is shown in the figure.
At present, the neighbor status of the three routers is stable, so ______. (Multiple choice)
- A. For RTB, to reach the destination network segment NET-1 will give priority to RTB--->RTC path
- B. After the network status is stable, within the next 45 minutes, only Hello packets will be transmitted between OSPF neighbors on the network
- C. There are two OSPF routes to the destination network segment NET-1 in the RTB routing table
- D. There is only one OSPF route to the NET-1 network segment in the RTA routing table
Answer: C,D
NEW QUESTION # 32
Regarding the composition of the ISDN network, the correct statement below is ______.
- A. The ISDN network is composed of ISDN terminals, terminal adapters, network terminal equipment, ISDN access routers, and ISDN switches.
- B. ISDN terminal can be an ISDN telephone.
- C. ISDN terminal and terminal adapter form the user side of ISDN network.
- D. ISDN switches are usually devices on the ISDN user side.
Answer: A,B,C
NEW QUESTION # 33
Which of the following statements about IP addresses are correct is ______. (Multiple choice)
- A. IP addresses are divided into five categories: A, B, C, D, E
- B. The IP address can be solidified in the hardware and is a unique MAC
- C. IP address is usually expressed in dotted hexadecimal notation, for example: 10.110.192.111
- D. IP address is composed of 32 binary bits
Answer: A,D
NEW QUESTION # 34
The two empty-configured MSR routers MSR-1 and MSR-2 are interconnected through their respective GE0/0, and their IP addresses are 192.168.1.2/30 and 192.168.1.1/30 respectively.
Then add the following configuration on both routers:
[MSR-ospf-1]area 0 [MSR-ospf-1-area-0.0.0.0]network 192.168.1.1 0.0.0.3
The OSPF Router IDs of the two routers are their respective GE0/0 interface addresses, and there is no other configuration on the two routers.
Then, to ensure that MSR-1 becomes OSPF DR in the next election, which of the following configurations needs to be added? (multiple choice)
- A. Configure on MSR-2: [MSR-2-GigabitEthernet0/0]ospf dr-priority 0
- B. Configure on MSR-2: [MSR-1-ospf-1]ospf dr-priority 0
- C. Configure on MSR-1: [MSR-1-GigabitEthernet0/0]ospf dr-priority 255
- D. Configure on MSR-1: [MSR-1-ospf-1]ospf dr-priority 255
Answer: A,C
NEW QUESTION # 35
The subnet mask of IP address 132.119.100.200 is 255.255.255.240, so the broadcast address of its subnet is ______.
- A. 132.119.100.193
- B. 132.119.100.223
- C. 132.119.100.207
- D. 132.119.100.255
Answer: C
NEW QUESTION # 36
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