[2023] Pass H3C GB0-191-ENU Exam Updated 434 Questions [Q31-Q52]

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[2023] Pass H3C GB0-191-ENU Exam Updated 434 Questions

Get 2023 Updated Free H3C GB0-191-ENU Exam Questions and Answer

H3C GB0-191-ENU certification exam is a challenging exam that requires candidates to have a deep understanding of network engineering and management. Candidates must have a solid understanding of network architecture, protocols, security, and management. Candidates must also have experience in deploying, configuring, and managing small and medium-sized enterprise networks. To prepare for the exam, candidates can take online courses, attend training sessions, and study the official study materials provided by H3C.

H3C GB0-191-ENU exam covers a wide range of topics, including network topology, network security, network management, routing protocols, and wireless LANs. Candidates must also be familiar with the latest networking technologies and industry best practices. Constructing Small – and Medium – Sized Enterprise Network certification is ideal for individuals who are looking to advance their careers in the IT industry or for those who are seeking to improve their skills in network design and management.

NEW QUESTION 31
The following description of the star network topology is correct ______. (Multiple choice)

Star topology is easy to maintain

In the star topology, the failure of one line does not affect the computer communication under other lines

The star topology has high robustness, and there is no single point of failure. Central node failure

Since the star topology network shares the bus bandwidth, when the network load is too heavy, it will cause performance degradation

NEW QUESTION 32
Which of the following descriptions about Frame Relay DLCI are correct? (multiple choice)

DLCI is used to identify a physical interface or logical interface on the router

The range of DLCI that users can use is 16~1007

On the same link, each virtual circuit is identified by a unique DLCI

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

NEW QUESTION 33
The two MSR routers are interconnected back-to-back through their respective Serial1/0 interfaces, and the PPP link layer protocol is encapsulated on the WAN interface. The correct statement about the PPP link in this network is ______. (Multiple choice)

The type of network layer protocol carried on the PPP link needs to be determined in the NCP negotiation

When the PPP link starts to be established, the LCP and NCP negotiation starts at the same time

IPX protocol can be carried on this PPP link

If PPP authentication is not configured on both ends, the PPP link cannot be established normally

NEW QUESTION 34
After executing the display command on the switch SWA, the switch output is as follows: From the above output, you can judge ______. (Multiple choice)

The host with IP address 172.16.0.1 is connected to port GE0/0

The host with MAC address 001c-233d-5695 is connected to port GE0/1

The above entries are statically configured by the administrator

The above entries are dynamically generated by the switch

NEW QUESTION 35
The two empty-configured MSR routers are connected as shown in the figure. By configuring the IP address, the GE0/0 interfaces of the two routers can communicate with each other.

Now the following configurations are added to the two routers respectively:
RTA:
[RTA]ospf
[RTA-ospf-1]area 0
[RTA-ospf-1-area-0.0.0.0]network 192.168.1.1 0.0.0.3
[RTA-GigabitEthernet0/0]ospf dr-priority 2
RTB:
[RTB]ospf [RTB-ospf-1]area 0
[RTB-ospf-1-area-0.0.0.0]network 192.168.1.1 0.0.0.3
[RTB-GigabitEthernet0/0]ospf dr-priority
Then after the OSPF neighbor status is stable, ______.

OSPF interfaces have the same priority, and no OSPF DR election is performed on the 192.168.1.0/30 network segment

Of the two routers, one is DR and the other is BDR

Of the two routers, one is DR and the other is DRother

The neighbor status of the two routers are FULL and 2-Way respectively

NEW QUESTION 36
The WAN link between the two routers MSR-1 and MSR-2 uses the PPP protocol. The two ends learn each other’s routes by configuring RIP. Currently, the route learning is normal. Now the following commands are added to the RIP configuration of MSR-1:
[MSR-1-rip-1] silent-interface all
So ______ . (Multiple choice)

This command makes all interfaces of MSR-1 only receive routing updates without sending routing updates

This command makes all interfaces of MSR-1 only send routing updates and not accept routing updates

After configuring this command, the RIP route in the MSR-2 routing table disappears immediately

After configuring this command, the RIP route in the MSR-1 routing table disappears immediately

NEW QUESTION 37
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)

HostA can still ping 2.2.2.1

HostA cannot ping 2.2.2.1

You can still ping 2.2.2.1 on MSR-1

Can’t ping through MSR-1 2.2.2.1

NEW QUESTION 38
After RIP learns a route from an interface, it sets the metric of the route to infinity (16) and sends it back to the neighbor router from the original interface. This method of avoiding loops is ______.

Split Horizon

Poison Reverse

Route Poisoning

Triggered Update

NEW QUESTION 39
The two routers of the customer are connected back to back by V.35 cables, 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 choice)

This router has completed PPP negotiation with the remote device, and successfully established a PPP link

The PPP PAP or CHAP verification option has been successfully completed between this router and the remote device. It is impossible to see in the question whether there is verification and whether it has passed

You can already ping the peer’s address on this router. 6.6.6.2 It is impossible to judge whether the verification is passed, so the peer’s address may not be able to ping

The interface information prompts, the second IP address subordinate can also be configured under this interface

NEW QUESTION 40
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 ______.

RIP will publish a default route of 0.0.0.0

All interfaces on this router enable RIP

When RIP is not enabled on this router

This configuration is incorrect

NEW QUESTION 41
The two MSR routers are connected through the WAN and have dynamically completed remote routing learning through RIPv2. At this time, the routing table has reached a stable state. Then within 45 seconds from this moment, the two routers must have the following messages transmitted between the WAN ?

RIP Request message

RIP Response message

RIP Hello time message

RIP Update message

NEW QUESTION 42
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)

The Serial1/0 and GigabitEthernet0/0 interfaces on the router can send and receive RIP packets

The GigabitEthernet0/1 interface on the router does not send RIP packets

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

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

NEW QUESTION 43
On the MSR router, if you want to download files from FTP Server, you should use the ______ command in the FTP command.

get

put

download

load

NEW QUESTION 44
The two MSR routers are connected as shown in the figure.

OSPF is currently running between the two routers. Now that you need to configure an ACL on RTA to prevent the establishment of OSPF neighbor relationship between RTA and RTB, which of the following ACLs is feasible to apply in the outbound direction of the GE0/0 interface of RTA?

acl number 3000 rule 0 deny ip destination 224.0.0.5 0 rule 5 permit ip

acl number 3000 rule 0 deny ip destination 224.0.0.5 0 eq 89 rule 5 permit ip

acl number 3000 rule 0 deny udp destination-port eq 89 rule 5 permit ip

acl number 3000 rule 0 deny ospf rule 5 permit ip

NEW QUESTION 45
In subnet division, which part of the natural classification IP address is occupied by the subnet number?

Network number part

host number part

Subnet number part

None of the above is correct

NEW QUESTION 46
Compared with the standard subnet division, the biggest difference between the variable length subnet mask division (VLSM) and it is ______.

For a naturally classified IP network, a subnet mask of any length can be used for subnet division

After subnetting a naturally classified IP network, the subnet mask length of each subnet can be different

Can form a super network

Use classless addresses for network division

NEW QUESTION 47
According to the definition of the OSI seven-layer reference model, _____ is responsible for providing flow control, checking the correctness of data transmission, and providing support for multiple upper-layer protocols. (Multiple choice)

Application layer

Data link layer

Presentation layer

Transport layer

Network interface layer

Physical layer

Session layer

Network layer

NEW QUESTION 48
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)

There is only one OSPF route to the NET-1 network segment in the RTA routing table

There are two OSPF routes to the destination network segment NET-1 in the RTB routing table

For RTB, to reach the destination network segment NET-1 will give priority to RTB—>RTC path

After the network status is stable, within the next 45 minutes, only Hello packets will be transmitted between OSPF neighbors on the network

NEW QUESTION 49
In the display of the display interface command, which of the following LCP and NCP status indicates that the PPP link has been established?

LCP Closed, IPCP Opened

LCP Closed, IPCP Closed

LCP Opened, IPCP Opened

LCP Initial, IPCP Closed

NEW QUESTION 50
Which of the following descriptions of circuit switching and packet switching is correct is ______. (Multiple choice)

The circuit switching delay is small, and the transmission is real-time

High utilization of circuit-switched network resources

Large packet switching delay, poor real-time transmission

Low utilization of packet switching network resources

NEW QUESTION 51
To set a subnet mask so that 192.168.0.78 and 192.168.0.94 are in the same network segment, the subnet mask used cannot be ______.

255.255.255.128

255.255.255.192

255.255.255.224

255.255.255.240

NEW QUESTION 52
The following ACL is configured on the MSR router:
acl number 3999
rule permit tcp source 10.10.10.1 255.255.255.255 destination 20.20.20.1 0.0.0.0 time-range lucky
Then the correct understanding of the ACL is _______. (Multiple choice)

The rule only takes effect during the lucky time period

This rule only matches data packets originating from 10.10.10.1

This rule only matches packets destined for 20.20.20.1

The rule can match TCP packets from any source network segment

The rule can match TCP packets to any destination network segment