[Mar-2023] H3C GB0-191-ENU DUMPS WITH REAL EXAM QUESTIONS
2023 New DumpsFree GB0-191-ENU PDF Recently Updated Questions
NEW QUESTION 230
On the MSR router, the -t parameter of the ping command specifies the timeout period of the ICMP Echo Reply message, the value range is 1~65535, the unit is milliseconds, and its default value is ______ milliseconds.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 231
The network administrator of a company needs to set a subnet mask to divide the Class C network 211.110.10.0 that he is responsible for into 14 subnets. Each subnet is required to contain as many hosts as possible, so he should use a subnet mask of _____ bits code. (Please fill in Arabic numerals)
Answer:
Explanation:
28
NEW QUESTION 232
In the switching network shown in the figure, all switches have enabled the STP protocol.
SWA was selected as the root bridge. According to the information in the figure, the ______ port should be set to the Forwarding state. (Multiple choice)
- A. P1 of SWA
- B. P1 of SWC
- C. P2 of SWC
- D. Insufficient information, unable to judge
- E. P2 of SWA
Answer: A,B,E
NEW QUESTION 233
The two routers MSR-1 and MSR-2 are interconnected through GigabitEthernet0/0, and RIPv2 is running between the two routers. Now, the GigabitEthernet0/0 interface of one of the routers MSR-1 wants to only send RIP packets instead of Accept RIP protocol message, then which of the following implementation methods are feasible?
- A. Configure ACL on MSR-2 and apply it in the inbound direction of its GigabitEthernet0/0 interface
- B. Configure silent-interface GigabitEthernet 0/0 on the GigabitEthernet0/0 interface of MSR-2
- C. Configure silent-interface GigabitEthernet 0/0 on the GigabitEthernet0/0 interface of MSR-1
- D. Configure ACL on MSR-1 and apply it in the inbound direction of GigabitEthernet0/0 interface
Answer: B,D
NEW QUESTION 234
The Ethernet port Ethernet1/0 of the customer router MSR-1 is configured as follows:
interface Ethernet0/0
ip address 192.168.0.1 255.255.255.0
This interface is connected to a three-layer switch, and this three-layer switch is where the default gateway of the network segment 192.168.7.0/24~192.168.83.0/24 of the customer's office network is located.
Now the customer requires that an ACL be configured on the MSR-1 to prohibit all users on the office network from initiating Telnet to the address 192.168.0.1 of the MSR-1, so which of the following configurations is correct?
- A. acl number 3000 rule 0 deny 255.255.255.255 0 destination 192.168.0.1 0 destination-port eq telnet interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 firewall packet-filter 3000 outbound
- B. acl number 3000 rule 0 deny 255.255.255.255 0 destination 192.168.0.1 0 destination-port eq telnet interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 firewall packet-filter 3000 inbound
- C. acl number 3000 rule 0 deny 0.0.0.0 255.255.255.255 destination 192.168.0.1 0 destination-port eq telnet interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 firewall packet-filter 3000 outbound
- D. acl number 3000 rule 0 deny 0.0.0.0 255.255.255.255 destination 192.168.0.1 0 destination-port eq telnet interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 firewall packet-filter 3000 inbound
Answer: D
NEW QUESTION 235
In Windows operating system, which command can display ARP table entry information?
- A. arp -d
- B. display arp
- C. show arp
- D. arp -a
Answer: D
NEW QUESTION 236
The transport layer protocol that DNS can use is ______.
- A. NCP
- B. UDP
- C. TCP
- D. TCP or UDP
Answer: D
NEW QUESTION 237
Which of the following statements about the OSPF area in the network (Area) is correct? (multiple choice)
- A. Only OSPF routers in the same area can establish neighbors and adjacencies
- B. A router in the network may belong to multiple different areas, but one of the areas must be the backbone area
- C. A router in the network may belong to multiple different areas, but these areas may not be backbone areas
- D. Routers in multiple OSPF areas in the same AS share the same LSDB
Answer: A,C
NEW QUESTION 238
Which of the following statements about IP addresses are correct is ______. (Multiple choice)
- A. IP address consists of two parts: network number and host number
- B. The first byte of class A address is 0~126 (127 is reserved for other use)
- C. The IP address with all zeros in the host number is called the network address, which is used to identify all hosts in a network.
- D. IP address is usually expressed in dotted decimal notation, for example: 10.110.168.121
Answer: A,D
NEW QUESTION 239
An empty-configured MSR router is connected to the same OSPF network through multiple interfaces, and OSPF is enabled on all these interfaces. After the configuration is completed, the router has successfully learned the OSPF routes in the network.
Now run the following command on an OSPF interface of the router:
[MSR-GigabitEthernet0/0]ospf cost 256
In the case of keeping other configurations unchanged, the correct understanding of the configuration is _____.
- A. This configuration command is invalid because the maximum value of Cost is 255
- B. The configuration command is invalid because the command was entered incorrectly
- C. This configuration may affect the forwarding path of data packets
- D. This configuration will not affect the forwarding path of data packets
Answer: C
NEW QUESTION 240
Two MSR routers MSR-1 and MSR-2 are connected through the WAN and dynamically complete remote route learning through RIPv2.
After stable for 2 minutes, the RIP update message from MSR-2 is received on MSR-1, which contains the route with Cost of 14, then ______. (Multiple choice)
- A. If the routing table of MSR-1 originally has the route, and its Cost is less than 14, then the routing entry on MSR-1 will not be updated
- B. If the MSR-1 routing table originally contains the same route received from the neighbor, and its Cost is less than 14, the route will also be updated
- C. If there is no such route in the routing table of MSR-1, then the route will be added to the routing table of MSR-1
- D. If the routing table of MSR-1 originally has the route, the routing entry will only be updated when its Cost is greater than 14.
Answer: B,C
NEW QUESTION 241
On the MSR router, if a certain file has been set as the startup file, you can use the ______ command to check whether the setting is correct.
- A. display startup
- B. display begin
- C. display boot
- D. display start-configuration
Answer: A
NEW QUESTION 242
Execute display ip routing-table on the router, then the next hop interface displayed in the routing table may be ______.
- A. InLoop0
- B. Null0
- C. Vlan500
- D. Serial 6/0/1
Answer: A,B,D
NEW QUESTION 243
The customer's network connection looks like:
HostA----GE0/0--MSR-1--S1/0-----WAN-----S1/0--MSR-2--GE0/0----HostB
Both routers are factory default configuration.
The four interfaces of the router are configured with correct IP addresses. The two hosts HostA and HostB are configured with IP addresses and gateways. Assuming that all physical connections are normal, then ______. (Multiple choice)
- A. At least one static route needs to be configured on each router to realize the intercommunication between HostA and HostB
- B. At least 2 static routes need to be configured on each router to realize the intercommunication between HostA and HostB
- C. No route is configured on the router, HostA can ping the IP address of interface S1/0 of MSR-1
- D. No route is configured on the router, HostA can ping the IP address of interface S1/0 of MSR-2
Answer: A,C
NEW QUESTION 244
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)
- A. The rule only takes effect during the lucky time period
- B. This rule only matches data packets originating from 10.10.10.1
- C. The rule can match TCP packets from any source network segment
- D. This rule only matches packets destined for 20.20.20.1
- E. The rule can match TCP packets to any destination network segment
Answer: A,C,D
NEW QUESTION 245
The following statement about the characteristics of PPP is correct. (Multiple choice)
- A. PPP can dynamically allocate IP addresses
- B. PPP is supported on synchronous and asynchronous links
- C. PPP can negotiate network addresses
- D. PPP supports authentication, including PAP authentication and CHAP authentication
Answer: A,B,C,D
NEW QUESTION 246
The IP address 10.0.10.65 and the mask 255.255.255.224 represent a ______.
- A. None of the above
- B. Network address
- C. host address
- D. Broadcast address
Answer: C
NEW QUESTION 247
Regarding the composition of the ISDN network, the correct statement below is ______.
- A. ISDN terminal and terminal adapter form the user side of ISDN network.
- B. ISDN terminal can be an ISDN telephone.
- C. ISDN switches are usually devices on the ISDN user side.
- D. The ISDN network is composed of ISDN terminals, terminal adapters, network terminal equipment, ISDN access routers, and ISDN switches.
Answer: A,B,D
NEW QUESTION 248
The default control protocol port used by FTP is ______.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 249
It is required to set a subnet mask to divide a class B network 172.16.0.0 into seven subnets, and each subnet should contain as many hosts as possible, so the subnet mask should be _____. (Dotted decimal format) slightly
Answer:
Explanation:
255.255.224.0
NEW QUESTION 250
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