Best Quality H3C GB0-191-ENU Exam Questions ActualCollection Realistic Practice Exams [2022]
Critical Information To Constructing Small - and Medium - Sized Enterprise Network Pass the First Time
NEW QUESTION 70
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. 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
- B. nat server protocol icmp global 2.2.2.1 inside 192.168.1.1
- C. nat server protocol icmp global 192.168.1.1 inside 2.2.2.1
- 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 71
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. IP address is usually expressed in dotted decimal notation, for example: 10.110.168.121
- C. The IP address with all 1s in the host number is called the network address, which is used to identify all hosts on a network
- D. The first byte of class A address is 0~126 (127 is reserved for other use)
Answer: A,B
NEW QUESTION 72
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 73
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. The priority of this route may be 100
- B. 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
- C. 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
- D. The metric value of this route may be 3
Answer: A,B,C,D
NEW QUESTION 74
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. The configuration command is invalid because the command was entered incorrectly
- B. This configuration will not affect the forwarding path of data packets
- C. This configuration may affect the forwarding path of data packets
- D. This configuration command is invalid because the maximum value of Cost is 255
Answer: C
NEW QUESTION 75
What is wrong about the IP address below is ______. (Multiple choice)
- A. IP address consists of two parts: network number and host number.
- B. Address translation (NAT) technology is usually used to solve the conversion of class A addresses to class C addresses.
- C. The network number of the Class A IP address has 8 digits, and the actual variable number is 7 digits.
- D. The first octet of a class C IP address starts with 100.
Answer: B,D
NEW QUESTION 76
When viewing the configuration, if there are many configuration commands and one screen cannot be displayed completely, after displaying one screen, you can press ___ to display the next page.
- A. <Ctrl+c> key
- B. <Space> key
- C. <Ctrl+p> key
- D. <Enter> key
Answer: B
NEW QUESTION 77
In the switching network shown in the figure, all switches have enabled the STP protocol.
According to the information in the figure, which switch will be selected as the root bridge?
- A. Insufficient information, unable to judge
- B. SWA
- C. SWC
- D. SWB
Answer: B
NEW QUESTION 78
The IP protocol corresponds to layer ______ of the OSI reference model.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 79
Which of the following statements about MAC addresses are correct? (multiple choice)
- A. Usually only terminal hosts need MAC addresses, routers and other network devices do not need
- B. The MAC address is solidified in ROM and cannot be changed under normal circumstances
- C. Ethernet uses MAC address to identify host
- D. MAC address is a logical address that is easy to change
Answer: B,C
NEW QUESTION 80
The following statement about frame relay address mapping is correct ______. (Multiple choice)
- A. Frame relay address mapping is to associate the DLCI of the local device with the DLCI of the opposite device.
- B. When carrying the IP protocol, frame relay address mapping is used to associate the next hop IP address with the local DLCI.
- C. Frame relay address mapping can be dynamically maintained using Inverse ARP.
- D. Frame relay address mapping can be manually configured.
Answer: B,C,D
NEW QUESTION 81
The equipment that realizes network interconnection at the network layer is ______.
- A. Switch
- B. Router
- C. Hub
- D. Repeater
Answer: B
NEW QUESTION 82
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. 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
- D. 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
Answer: A,B,D
NEW QUESTION 83
Which of the following statements about the OSPF area in the network (Area) is correct? (multiple choice)
- A. A router in the network may belong to multiple different areas, but one of the areas must be the backbone area
- B. Routers in multiple OSPF areas in the same AS share the same LSDB
- C. A router in the network may belong to multiple different areas, but these areas may not be backbone areas
- D. Only OSPF routers in the same area can establish neighbors and adjacencies
Answer: C,D
NEW QUESTION 84
Use the ______ command to configure static routes on the MSR router.
- A. static-route
- B. ip route-static
- C. route-static
- D. ip static-route
Answer: B
NEW QUESTION 85
The correct statement about the STP protocol is ______. (Multiple choice)
- A. When the priority is the same, the larger the MAC address, the higher the priority
- B. The higher the priority value, the lower the priority
- C. The smaller BridgeID value will be selected as the root bridge
- D. The BridgeID value is a combination of the priority of the bridge and the MAC address of the bridge. The front is the MAC address, and the back is the priority.
- E. The default priority value of the H3C Ethernet switch is 32768
Answer: B,C,E
NEW QUESTION 86
SSH uses the TCP port number ______ by default.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 87
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