[Nov-2023] Use Real GB0-191-ENU Dumps - 100% Free GB0-191-ENU Exam Dumps
GB0-191-ENU PDF Dumps Exam Questions – Valid GB0-191-ENU Dumps
H3C GB0-191-ENU exam is designed for IT professionals who want to excel in the field of constructing small and medium-sized enterprise networks. GB0-191-ENU exam is primarily intended for network engineers, technical support engineers, and network administrators who are responsible for designing, deploying, and maintaining small and medium-sized enterprise networks. GB0-191-ENU exam covers a wide range of topics, including network design, network security, network protocols, network troubleshooting, and network optimization.
NEW QUESTION # 101
The command to start the spanning tree protocol on the switch is ____.
Answer:
Explanation:
stp enable
NEW QUESTION # 102
TCP belongs to the ______ of the OSI reference model.
- A. Transport layer
- B. Session layer
- C. Presentation layer
- D. Network layer
Answer: A
NEW QUESTION # 103
The equipment that should be used in the box in the figure is ______.
- A. WAN switch
- B. Router
- C. Modem
- D. CSU/DSU
Answer: B
NEW QUESTION # 104
The characteristics of MSTP are ______. (Multiple choice)
- A. MSTP trims the loop network into a loop-free tree network, avoiding the proliferation and infinite loops of messages in the loop network, and at the same time, it can also provide a redundant path for data forwarding, which is implemented in the data forwarding process. Load balancing of VLAN data.
- B. MSTP is compatible with STP and RSTP.
- C. MSTP divides a switching network into multiple domains, each of which forms multiple spanning trees, and the spanning trees are independent of each other.
- D. None of the above statements are correct
Answer: A,B,C
NEW QUESTION # 105
The three MSR routers RTA, RTB, and RTC are connected to the same frame relay network through their respective S1/0 interfaces. This frame relay network can provide enough PVC resources. As a network engineer, you need to assign IP addresses to these frame relay interfaces.
Which of the following statements is incorrect?
- A. If transit through any router is not allowed, at least two IP subnets are required to enable three routers to communicate with each other through this frame relay network
- B. Under the premise of correct routing configuration, three routers can communicate through this frame relay network without configuring sub-interfaces.
- C. Under the premise of correct routing configuration, three routers can communicate through this frame relay network with only one IP subnet.
- D. If transit through any router is not allowed, at least three IP subnets are required to realize the two-by-two intercommunication of the three routers through this frame relay network
Answer: D
NEW QUESTION # 106
The transport layer protocol that DNS can use is ______.
- A. NCP
- B. UDP
- C. TCP
- D. TCP or UDP
Answer: D
NEW QUESTION # 107
During the establishment of the TCP connection as shown in the figure, the Z part of the SYN should be filled with ________.
- A. a
- B. a+1
- C. b
- D. b+1
Answer: D
NEW QUESTION # 108
The IP address 10.0.10.32 and the mask 255.255.255.224 represent a ______.
- A. Network address
- B. Broadcast address
- C. None of the above
- D. host address
Answer: A
NEW QUESTION # 109
The DHCP client sends a _______ message to the DHCP server to update the IP lease?
- A. DHCP Request
- B. DHCP ACK
- C. DHCP Inform
- D. DHCP Decline
- E. DHCP Release
- F. DHCP OFFER
Answer: A
NEW QUESTION # 110
To set a subnet mask so that 192.168.0.94 and 192.168.0.116 are not in the same network segment, the subnet mask used may be ______. (Multiple choice)
- A. 255.255.255.192
- B. 255.255.255.248
- C. 255.255.255.240
- D. 255.255.255.224
Answer: B,C,D
NEW QUESTION # 111
The IPv4 address includes the network part, host part, subnet mask, etc. Correspondingly, the IPv6 address contains ______.
- A. prefix, interface identifier, prefix length
- B. prefix, interface identifier, network length
- C. Network part, host part, prefix length
- D. Network part, host part, network length
Answer: A
NEW QUESTION # 112
You can see the following information on the router MSR-1:
[MSR-1]display acl 3000
Advanced ACL 3000, named -none-, 2 rules,
ACL's step is 5
rule 0 permit ip source 192.168.1.0 0.0.0.255
rule 10 deny ip (19 times matched)
The ACL 3000 has been applied to the correct interface and direction.
From this we can know _______. (Multiple choice)
- A. The data packet matching rule 10 may be destined for the destination network segment 192.168.1.0/24
- B. This is a basic ACL
- C. When viewing the information, no data packet from the 192.168.1.0/24 network segment matches the ACL
- D. There is a packet flow that matches rule 10
Answer: A,C,D
NEW QUESTION # 113
Compared with the standard subnet division, the biggest difference between the variable length subnet mask division (VLSM) and it is ______.
- A. Can form a super network
- B. Use classless addresses for network division
- C. After subnetting a naturally classified IP network, the subnet mask length of each subnet can be different
- D. For a naturally classified IP network, a subnet mask of any length can be used for subnet division
Answer: C
NEW QUESTION # 114
The customer router connects to the operator's network through the S1/0 interface. The S1/0 interface uses the default configuration.
The following route is configured on the router: [MSR]ip route-static 0.0.0.0 0.0.0.0 Serial1/0
However, when viewing the routing table through display ip routing-table, it is found that the route is not displayed in the routing table. Based on this, it is speculated that the possible reason is ______. (Multiple choice)
- A. The configuration is wrong, you should exit to the system view to configure the route to take effect
- B. S1/0 interface has no IP address
- C. S1/0 interface is shutdown
- D. The configuration is wrong, the next hop of the route should enter the IP address of the opposite end instead of the interface name S1/0
Answer: B,C
NEW QUESTION # 115
In the Open System Interconnection Reference Model (OSI), ______ transmits data streams in the form of frames.
- A. Transport layer
- B. Session layer
- C. Network layer
- D. Data link layer
Answer: D
NEW QUESTION # 116
Connect an empty-configured MSR router to the network through GigabitEthernet0/0, GigabitEthernet0/1, Serial1/0, and configure the IP addresses of these three interfaces as 10.1.1.1/30, 12.12.12.224/30, 192.168.10.1 /twenty four .
After configuration, these three interfaces can communicate with the interface of the peer device directly connected, and then add the following configuration on the router:
[MSR]rip
[MSR-rip-1]network 10.0.0.0
[MSR-rip-1]network 192.168.10.0
Then the correct description of the role and intent of this order is ______. (Multiple choice)
- A. The Serial1/0 and GigabitEthernet0/0 interfaces on the router can send and receive RIP packets
- B. The GigabitEthernet0/1 interface on the router does not send RIP packets
- C. RIP will also advertise the routing information of the directly connected network segment 192.168.10.0/24 through the router's GigabitEthernet0/0 interface
- D. If the router's Serial1/0 interface does not receive the RIP Hello message within 90 seconds, then the RIP neighbor state will be set to the initialization state
Answer: A,B,C
NEW QUESTION # 117
In the network environment as shown in the figure, perform the following NAT configuration on RTA:
[RTA]acl number 2000
[RTA-acl-basic-2000]rule 0 permit source 100.0.0.0 0.0.0.255
[RTA-acl-basic-2000]nat address-group 1 200.76.28.11 200.76.28.11
[RTA]interface Ethernet0/1
[RTA-Ethernet0/1]nat outbound 2000 address-group 1
After configuration, both Client_A and Client_B are accessing Server, then the NAT table of RTA may be ______ at this time.
- A. Protocol GlobalAddr Port InsideAddr Port DestAddr Port 1 200.76.28.11 12289 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: 11, TTL: 00:01:00, Left: 00:00:59 1 200.76. 28.12 12288 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: 11, TTL: 00:01:00, Left: 00:00:51
- B. Protocol GlobalAddr Port InsideAddr Port DestAddr Port 1 200.76.28.12 12289 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: 11, TTL: 00:01:00, Left: 00:00:59 1 200.76. 28.11 12288 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: 11, TTL: 00:01:00, Left: 00:00:51
- C. Protocol GlobalAddr Port InsideAddr Port DestAddr Port 1 200.76.28.11 12289 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59 1 200.76. 28.11 12288 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: 11, TTL: 00:01:00, Left: 00:00:51
- D. Protocol GlobalAddr Port InsideAddr Port DestAddr Port 1 200.76.28.11 12289 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: 11, TTL: 00:01:00, Left: 00:00:59 1 200.76. 28.11 12288 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: 11, TTL: 00:01:00, Left: 00:00:51
Answer: D
NEW QUESTION # 118
The Serial 0/0 and Serial 0/1 interfaces of the router of the Shenzhen branch of XYZ Company are connected to two different ISPs through two WAN lines. Both of these ISPs can visit the website of the Beijing head office at 202.102.100.2.
The following static routes are configured on the routers of the Shenzhen branch:
ip route-static 202.102.100.2 24 Serial 0/0
ip route-static 202.102.100.2 24 Serial 0/1
So which of the descriptions of these two routes is correct? (multiple choice)
- A. The two routes to Beijing can back up each other
- B. The traffic to Beijing can achieve load sharing through these two routes
- C. Only the second route will be written in the router's routing table
- D. Only the first route will be written in the router's routing table
Answer: A,B
NEW QUESTION # 119
In the process of establishing a PPP session, when the physical layer is unavailable, the PPP link is in the ______ phase.
- A. Authentication
- B. Terminate
- C. Network
- D. Dead
- E. Establish
Answer: D
NEW QUESTION # 120
The customer's network connection looks like:
HostA------MSR-1------MSR-2--------MSR-3------HostB
The IP address configuration has been completed on all devices. To realize that HostA can access HostB, which of the following statements is correct regarding routing configuration? (multiple choice)
- A. At least two static routes need to be configured on MSR-2
- B. At least one static route needs to be configured on MSR-1
- C. At least one static route needs to be configured on MSR-2
- D. At least one static route needs to be configured on MSR-3
Answer: A,B,D
NEW QUESTION # 121
The IP address of private network device A is 192.168.1.1/24, and its corresponding public network IP is 2.2.2.1;
The IP address of public network device B is 2.2.2.5. Now that device A is required to provide Telnet service to the public network, which of the following configurations can be used on the NAT device?
- A. nat server protocol telnet global 2.2.2.1 inside 192.168.1.1
- B. acl number 2000 rule 0 permit source 192.168.1.1 0.0.0.255 nat address-group 1 2.2.2.1 interface Ethernet 0/1 nat outbound 2000 address-group 1
- C. nat server protocol tcp global 2.2.2.1 23 inside 192.168.1.1 23
- D. nat server protocol tcp global 2.2.2.1 telnet inside 192.168.1.1
- E. acl number 2000 rule 0 permit source 192.168.1.1 0.0.0.255 nat address-group 1 2.2.2.1 interface Ethernet 0/1 nat outbound 2000 address-group 1 no-pat
Answer: C
NEW QUESTION # 122
SSH uses the TCP port number ______ by default.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 123
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 physical connection between the two routers is normal, but the PPP protocol negotiation is not successful
- B. The IP addresses of the V.35 interfaces of the two routers may not be in the same network segment
- C. PPP verification may have failed
- D. The LCP negotiation of PPP may not pass
Answer: A,C,D
NEW QUESTION # 124
When configuring ISDN DCC, the customer configured the following dialer-rule on his MSR router:
[MSR] dialer-rule 1 acl 3000
Which of the following statements about this configuration are correct? (multiple choice)
- A. No permit or deny is defined, configuration error
- B. The correct configuration should be: [MSR] dialer-rule 1 acl 3000 permit
- C. Only packets matching ACL 3000 can trigger dialing
- D. Only data packets matching ACL 3000 will be sent by the router through the dial-up link
Answer: C
NEW QUESTION # 125
The two routers MSR-1 and MSR-2 complete dynamic routing learning through RIP, and you can see the following debug information on MSR-1:
*Nov 26 02:20:25:353 2008 H3C RM/6/RMDEBUG: RIP 1: Sending v2 request on Serial 0/0 from 3.3.3.3
*Nov 26 02:20:25:353 2008 H3C RM/6/RMDEBUG: RIP 1: Sending request on interface Serial0/0 from 3.3.3.3 to 224.0.0.9
*Nov 26 02:20:25:400 2008 H3C RM/6/RMDEBUG: RIP 1: Receiving v2 request on Serial0/0 from 3.3.3.1
According to the debug information, ______ can be inferred. (Multiple choice)
- A. At this time, there is already RIP routing information from MSR-2 in the MSR-1 routing table
- B. The RIP version between the two routers is inconsistent
- C. At this time, there is no RIP routing information from MSR-2 in the MSR-1 routing table
- D. It is possible that the RIP of the two routers has just started at this time
Answer: C,D
NEW QUESTION # 126
......
Ultimate GB0-191-ENU Guide to Prepare Free Latest H3C Practice Tests Dumps: https://actual4test.torrentvce.com/GB0-191-ENU-valid-vce-collection.html