Latest H3C GB0-191-ENU PDF and Dumps (2023) Free Exam Questions Answers
Pass Your H3CNE GB0-191-ENU Exam on Jul 21, 2023 with 434 Questions
NEW QUESTION # 182
Common FTP file transfer types include ______. (Multiple choice)
- A. ASCII code type
- B. EBCDIC type
- C. Local type
- D. Binary type
Answer: A,D
NEW QUESTION # 183
The following statement about the characteristics of PPP is correct. (Multiple choice)
- A. PPP can dynamically allocate IP addresses
- B. PPP can negotiate network addresses
- C. PPP is supported on synchronous and asynchronous links
- D. PPP supports authentication, including PAP authentication and CHAP authentication
Answer: A,B,C,D
NEW QUESTION # 184
In the Open System Interconnection Reference Model (OSI), ______ transmits data streams in the form of frames.
- A. Transport layer
- B. Network layer
- C. Session layer
- D. Data link layer
Answer: D
NEW QUESTION # 185
A network connection is shown in the figure.
All interfaces of the four routers are configured with OSPF, and they are all running in OSPF area 23. All network segments can be connected to each other.
The OSPF Cost of the interconnection links between routers is shown in the figure. Then the correct description below is ______. (Multiple choice)
- A. After SPF calculation, the cost value of the path from RTC to 192.168.4.0/24 and to 192.168.2.0/24 is the same, so an equal-cost route will be formed on RTC
- B. RTC calculates the best path to the 192.168.2.0/24 network segment according to the SPF algorithm as C->A->B
- C. RTC will have two OSPF neighbors
- D. RTD has the same LSDB as RTA
Answer: B,D
NEW QUESTION # 186
The two branches of XYZ company are located in different regions, and a wide area network connection must be established between them. According to the plan, the WAN adopts the PPP protocol. Considering network security, it is required that password-type message information is not allowed to be transmitted in clear text on the network. Then which PPP authentication protocol should be adopted?
- A. MD5
- B. 3DES
- C. CHAP
- D. PAP
Answer: C
NEW QUESTION # 187
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. This configuration may affect the forwarding path of data packets
- C. This configuration will not affect the forwarding path of data packets
- D. The configuration command is invalid because the command was entered incorrectly
Answer: B
NEW QUESTION # 188
The following description of the characteristics of the router is correct ______. (Multiple choice)
- A. Can support multiple routing protocols
- B. It is a network layer device
- C. Route and forward according to link layer information
- D. Provide rich interface types
Answer: A,B,D
NEW QUESTION # 189
The following commands were executed on an MSR router:
[MSR]display ip routing-table 100.1.1.1
Then the correct description of this command is ______.
- A. It is possible that the output of this command is two default routes
- B. You can view the routing items that match the destination address of 100.1.1.1
- C. You can view the routing entries that match the next hop address as 100.1.1.1
- D. This command is incorrect because it does not contain mask information
Answer: A,B
NEW QUESTION # 190
Connect the two switches with an Ethernet cable, and the MDI type of the interconnection port is configured as across, then the Ethernet cable should be ________.
- A. Only use a straight-through network cable
- B. Both parallel and crossover cables are available
- C. Only use crossover cable
- D. Parallel network cable and cross network cable are not acceptable
Answer: C
NEW QUESTION # 191
During the establishment of the TCP connection as shown in the figure, the Y part of SYN should be filled with ________.
- A. b
- B. b+1
- C. a+1
- D. a
Answer: C
NEW QUESTION # 192
On the MSR router, you can see the following display in the routing table:
Destination/Mask Proto Pre Cost NextHop Interface
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
192.168.96.0/24 Static 60 0 192.168.120.153 S6/0
Then the correct description of the route with the destination address of 192.168.96.0/24 is ______.
- A. This is a direct route with a metric value of 0
- B. The next hop of the router, that is, the IP address of the peer device is 192.168.120.153
- C. The interface IP address of S6/0 on this router is 192.168.120.153
- D. This is a manually configured static route with a metric value of 0
Answer: B,D
NEW QUESTION # 193
The IP address of a private network device A is 192.168.1.1/24, and its corresponding public network IP address is 2.2.2.1; the IP address of public network device B is 2.2.2.5. If you want B to be able to ping A, which of the following configurations can be used on the NAT device?
- A. nat server protocol icmp global 192.168.1.1 inside 2.2.2.1
- B. nat server protocol icmp global 2.2.2.1 inside 192.168.1.1
- C. 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
- D. 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
Answer: B
NEW QUESTION # 194
The MAC address table on a layer 2 switch is shown in the figure.
When the switch receives a frame with a destination MAC address of 00-13-72-8E-4E-C4 from the E1/0/2 interface, the switch will ______ the frame. (Multiple choice)
- A. Send out from the E1/0/2 interface
- B. send out from E1/0/4 interface
- C. send out from all interfaces on the switch
- D. Send out from the E1/0/3 interface
- E. Discard directly
- F. Send out from the E1/0/1 interface
Answer: B,D,F
NEW QUESTION # 195
The correct statement about STP, RSTP and MSTP is ______. (Multiple choice)
- A. RSTP is an optimized version of the STP protocol. The delay for the port to enter the forwarding state is greatly shortened under certain conditions, which shortens the time required for the network to finally reach topological stability.
- B. MSTP cannot converge quickly. When the network topology changes, the originally blocked port needs to wait for a period of time before it becomes the forwarding state.
- C. MSTP can make up for the shortcomings of STP and RSTP. It can not only converge quickly, but also enable the traffic of different VLANs to be forwarded along their respective paths, thereby providing a better load sharing mechanism for redundant links.
- D. MSTP is compatible with RSTP, but not compatible with STP.
Answer: A,C
NEW QUESTION # 196
The IP address 203.108.2.110 is the ______ address.
- A. Type A
- B. Class D
- C. Type B
- D. Type C
Answer: D
NEW QUESTION # 197
After opening the console to monitor system information, use the ______ command to turn on the screen output of debugging information.
- A. terminal information
- B. terminal monitor
- C. terminal screen
- D. terminal debugging
Answer: D
NEW QUESTION # 198
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-1 and apply it in the inbound direction of 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-2 and apply it in the inbound direction of its GigabitEthernet0/0 interface
Answer: A,B
NEW QUESTION # 199
The port Ethernet1/0/24 of the switch SWA has been configured as a Trunk port type.
If you want this port to allow VLAN2 and VLAN3 to pass, which of the following commands needs to be used?
- A. [SWA]port trunk permit vlan 2 3
- B. [SWA-Ethernet1/0/24]undo port trunk permit vlan 2
- C. [SWA]undo port trunk permit vlan 1
- D. [SWA-Ethernet1/0/24]port trunk permit vlan 2 3
Answer: D
NEW QUESTION # 200
The customer's MSR router is connected to the operator's network through the S0/0 interface and to the internal network through the G1/0 interface. Currently, the network is operating normally, and customers can normally access all services on the Internet and Intranet through the router. Now the following configuration has been added to the MSR: ★ The original answer ABCD firewall enable firewall default deny acl number 3002 rule 0 deny tcp interface Serial0/0 link-protocol ppp firewall packet-filter 3002 inbound firewall packet-filter 3002 outbound So which of the following applications are possible Not affected _____.
- A. Learn routing with the operator through RIP
- B. Visit the information technology website in Shanghai
- C. Learn routing with the operator through BGP
- D. Learn routing with the operator through OSPF
Answer: A,B,C,D
NEW QUESTION # 201
The command to start the spanning tree protocol on the switch is ____.
Answer:
Explanation:
stp enable
NEW QUESTION # 202
On the MSR router, each functional module has its corresponding information display command. Generally, to view the operating information of each functional module, you need to run the corresponding display commands one by one. In order to collect more information at one time and facilitate daily maintenance or problem location, you can execute the ______ command in any view to display the current statistical information of the main functional modules of the system.
- A. display diagnostic-information
- B. display all
- C. display system-information
- D. display ip interface
Answer: A
NEW QUESTION # 203
After configuring NAPT, it is found that some internal network addresses can always ping the external network, while others cannot. The possible reasons are ______.
- A. The NAT address pool has only one address
- B. ACL setting is incorrect
- C. NAT configuration does not take effect
- D. Insufficient NAT device performance
Answer: B
NEW QUESTION # 204
UDP belongs to the ______ of the OSI reference model.
- A. Network layer
- B. Transport layer
- C. Session layer
- D. Presentation layer
Answer: B
NEW QUESTION # 205
Which of the following descriptions about the MSR routing table are correct? (multiple choice)
- A. If the route to the same destination network segment has multiple sources, then only the route with the highest Preference value will be written into the routing table
- B. If the route to the same destination network segment has multiple sources, only the route with the smallest metric value is written into the routing table
- C. If the same routing protocol finds multiple paths to the same destination network segment, then these routes may all be written into the routing table
- D. If the same routing protocol finds multiple paths to the same destination network segment, then these routes cannot all be written into the routing table
- E. If the route to the same destination network segment has multiple sources, then only the route with the smallest Preference value will be written into the routing table
- F. If the route to the same destination network segment has multiple sources, then only the route with the largest metric value is written into the routing table
Answer: C,E
NEW QUESTION # 206
A network connection is like:
HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB
The two MSR routers MSR1 and MSR2 are interconnected back-to-back through their S1/0 interfaces, and their GigabitEthernet0/0 interfaces are respectively connected to the client hosts HostA and HostB. HostA can communicate with HostB in the current network by configuring the IP address and routing.
The following configuration has been added to MSR-2:
firewall enable
acl number 3000
rule 0 deny tcp destination-port eq telnet
interface Serial1/0
link-protocol ppp
ip address 1.1.1.2 255.255.255.252
firewall packet-filter 3000 inbound
firewall packet-filter 3000 outbound
interface GigabitEthernet0/0
ip address 10.1.1.1 255.255.255.0
So which of the following statements are correct? (multiple choice)
- A. The firewall packet-filter 3000 outbound configured later will replace the firewall packet-filter 3000 inbound command
- B. Telnet to MSR-1 on HostB successfully
- C. The last configured firewall packet-filter 3000 outbound will not replace the firewall packet-filter 3000 inbound command
- D. Can't successfully Telnet to MSR-1 on HostB
Answer: C,D
NEW QUESTION # 207
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