(2021) GB0-191-ENU Dumps and Practice Test (434 Questions)
Guide (New 2021) Actual H3C GB0-191-ENU Exam Questions
NEW QUESTION 22
A network administrator configured on a router
RIP: rip 1
version 2
network 100.0.0.0
network 8.0.0.0
However, it is found that the RIP route of the opposite end cannot be learned. The administrator needs to enable RIP debugging information on the router. Which of the following configurations can be used to view RIP debugging information on the router?
- A. <MSR>debugging rip 2
- B. <MSR>debugging rip packet
- C. <MSR>debugging rip 1 packet
- D. [MSR] debugging rip packet
Answer: C
NEW QUESTION 23
On the MSR router, if you want to completely delete an obsolete file in the recycle bin, you can execute the ______ command.
- A. clear all
- B. reset recycle-bin
- C. reset trash-bin
- D. clear trash
Answer: B
NEW QUESTION 24
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. RTC calculates the best path to the 192.168.2.0/24 network segment according to the SPF algorithm as C->A->B
- B. RTD has the same LSDB as RTA
- C. RTC will have two OSPF neighbors
- D. 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
Answer: A,B
NEW QUESTION 25
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 E1/0/3 interface
- B. Discard directly
- C. Send out from the E1/0/1 interface
- D. send out from E1/0/4 interface
- E. Send out from the E1/0/2 interface
- F. send out from all interfaces on the switch
Answer: A,C,D
NEW QUESTION 26
Which of the following statements about IP addresses are correct is ______. (Multiple choice)
- A. IP address is composed of 32 binary bits
- B. IP address is usually expressed in dotted hexadecimal notation, for example: 10.110.192.111
- C. IP addresses are divided into five categories: A, B, C, D, E
- D. The IP address can be solidified in the hardware and is a unique MAC
Answer: A,C
NEW QUESTION 27
The router S0/0 interface is connected to the network through frame relay, and the following interface information can be seen on this router:
[MSR]display interface Serial 0/0
Serial0/0 current state: UP
Line protocol current state: UP
Internet Address is 3.3.3.1/24 Primary
Link layer protocol is FR IETF
LMI DLCI is 0, LMI type is Q.933a, frame relay DTE
LMI status enquiry sent 91, LMI status received 69
LMI status timeout 22, LMI message discarded 1
Then you know ______. (Multiple choice)
- A. The virtual circuit number used by the interface is DLCI 0
- B. The LMI type of the interface package is Q.933a
- C. This interface has sent 91 status query messages to query the PVC status of the interface
- D. The PVC status of the interface is already UP
Answer: B,C
NEW QUESTION 28
On the MSR router, you can use the ______ command to clear the NAT session table entries.
- A. reset nat table
- B. clear nat
- C. reset nat session
- D. clear nat session
Answer: C
NEW QUESTION 29
The customer router MSR-1 configures the MP to connect to the MSR-2 through interfaces S0/0 and S0/1. Currently, the MP is running normally. At the same time, the two routers run RIP to complete the route learning of the LAN segment of the two routers. Then the Metric value of the RIP route learned on MSR-1 may be ______. (Multiple choice)
- A. 4M
- B. 2M
- C. 0
- D. 1
Answer: C,D
NEW QUESTION 30
There are many kinds of WAN interfaces. Which of the following descriptions of WAN interfaces is correct is ______. (Multiple choice)
- A. The V.24 protocol interface can work in both synchronous and asynchronous modes. In the asynchronous mode, the link layer uses PPP encapsulation.
- B. BRI/PRI interface is used for ISDN access, the default link encapsulation is PPP
- C. The V.35 protocol interface can work in both synchronous and asynchronous modes. In the asynchronous mode, the link layer uses PPP encapsulation.
- D. The G.703 interface provides high-speed data synchronous communication services.
Answer: A,B,D
NEW QUESTION 31
In the following statement about Easy IP, the error is ______.
- A. Easy IP is a special case of NAPT
- B. Easy IP is suitable for NAT device dialing or dynamically obtaining public network IP address
- C. No need to configure NAT address pool when configuring Easy IP
- D. When configuring Easy IP, there is no need to configure ACL to match the packets that need to be translated by NAT
Answer: D
NEW QUESTION 32
Use the ______ command to configure static routes on the MSR router.
- A. ip static-route
- B. ip route-static
- C. route-static
- D. static-route
Answer: B
NEW QUESTION 33
As shown in the figure, S3610 switch SWA uses ports E1/0/1 and E1/0/2 to connect to another switch SWB. In order to increase bandwidth, static link aggregation needs to be configured on the switch.
Which of the following configuration is correct? (multiple choice)
- A. [SWA-Ethernet1/0/1] port link-aggregation group 1
- B. [SWA]interface bridge-aggregation 1 port Ethernet1/0/1 Ethernet1/0/2
- C. [SWA-Ethernet1/0/2] interface bridge-aggregation 1
- D. [SWA] interface bridge-aggregation 1
Answer: A,D
NEW QUESTION 34
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. 3DES
- B. CHAP
- C. PAP
- D. MD5
Answer: B
NEW QUESTION 35
Two MSR routers are directly connected back-to-back through Serial1/0, and one of the MSR routers sees the following configuration: ★
interface Serial1/0
ip address 8.8.8.2 255.255.255.0
#
interface GigabitEthernet0/0
port link-mode route
ip address 100.1.1.2 255.255.255.0
#r
ip 1
version 2
network 0.0.0.0
#
ip route-static 0.0.0.0 0.0.0.0 8.8.8.1
Assuming that both routers are correctly configured with RIP and all interfaces are UP, which of the following analyses are correct about this configuration?
- A. The opposite neighbor router can only receive one RIP route
- B. The neighboring router at the opposite end cannot learn the default route generated by RIP from this router
- C. A RIP default route will be sent from the outgoing interface Serial1/0 to the peer neighbor
- D. RIP routing update packets can only be sent or received from the Serial1/0 interface of the router
Answer: A,B
NEW QUESTION 36
On the MSR router, if you want to modify some configuration after logging in to the device at the access level, you can use the ______ command to switch to level 3. (Multiple choice)
- A. password
- B. login
- C. super
- D. level 3
Answer: C
NEW QUESTION 37
UDP belongs to the ______ of the OSI reference model.
- A. Session layer
- B. Transport layer
- C. Presentation layer
- D. Network layer
Answer: B
NEW QUESTION 38
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)
- A. After configuring this command, the RIP route in the MSR-2 routing table disappears immediately
- B. This command makes all interfaces of MSR-1 only receive routing updates without sending routing updates
- C. After configuring this command, the RIP route in the MSR-1 routing table disappears immediately
- D. This command makes all interfaces of MSR-1 only send routing updates and not accept routing updates
Answer: B
NEW QUESTION 39
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