H3C GB0-191-ENU Study Guide Archives Updated on Apr 02, 2023

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NEW QUESTION 72
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. Only OSPF routers in the same area can establish neighbors and adjacencies
• C. Routers in multiple OSPF areas in the same AS share the same LSDB
• D. A router in the network may belong to multiple different areas, but these areas may not be backbone areas

Answer: B,D

 

NEW QUESTION 73
The two routers MSR-1 and MSR-2 are interconnected through the S0/0 interface, and the two routers learn the routes of the LAN segment by running the RIP protocol.
See the following configuration commands on MSR-1:
[MSR-1-Serial0/0] rip authentication-mode md5 rfc2453 H3C
Then the correct interpretation of this command is ______. (Multiple choice)

• A. Configure RIP to use MD5 cipher text authentication
• B. Configure RIP to use MD5 plaintext authentication
• C. Specify the H3C private extended protocol message format for MD5 authentication
• D. Specify the message format specified by RFC2453 for MD5 authentication

Answer: A,D

 

NEW QUESTION 74
SSH uses the TCP port number ______ by default.

• A. 0
• B. 1
• C. 2
• D. 3

Answer: D

 

NEW QUESTION 75
In the process of establishing a PPP session, when the physical layer is unavailable, the PPP link is in the ______ phase.

• A. Establish
• B. Network
• C. Terminate
• D. Authentication
• E. Dead

Answer: E

 

NEW QUESTION 76
A network connection is like:
HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB
Two of the MSR routers MSR-1 and MSR-2 are interconnected back-to-back through their S1/0 interfaces, and their GE0/0 interfaces are respectively connected to the client hosts HostA and HostB. By configuring the IP address and routing, HostA can communicate with HostB in the current network. The IP address of HostA is 192.168.0.2/24, and the default gateway is 192.168.0.1. The GE0/0 interface address of MSR-1 is 192.168.0.1/24.
The following configuration has been added to MSR-1:
firewall enable
firewall default permit
acl number 3003
rule 0 deny icmp source 192.168.0.2 0 icmp-type echo-reply
interface GigabitEthernet0/0
firewall packet-filter 3003 inbound
So ______ . (Multiple choice)

• A. On HostA, you can ping the IP address of MSR-1 interface GE0/0
• B. Cannot ping HostA on MSR-1
• C. The IP address of interface GE0/0 of MSR-1 cannot be pinged on HostA
• D. HostA can be pinged on MSR-1

Answer: A,B

 

NEW QUESTION 77
Which of the following options are features of port-based 802.1x authentication?

• A. When a user goes offline, only that user cannot use the network
• B. When the first user under the port goes offline, other users will also be denied access to the network
• C. All access users under the port need to be independently verified
• D. As long as the first user under the port is successfully authenticated, other access users can use network resources without authentication

Answer: B,D

 

NEW QUESTION 78
Two empty-configured MSR routers MSR-1 and MSR-2 are interconnected back-to-back through their S1/0 interfaces, and their GE0/0 interfaces are respectively connected to the client hosts HostA and HostB:
HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB
The versions of the two MSR routers are unified to Version 5.20, Release 1618P11, and the following configurations are made on the two routers:
Configuration on MSR-1:
[MSR-1]interface GigabitEthernet 0/0
[MSR-1-GigabitEthernet0/0] ip address 192.168.1.1 255.255.255.0
[MSR-1]interface Serial 1/0
[MSR-1-Serial1/0] link-protocol ppp
[MSR-1-Serial1/0]ip address 3.3.3.1 255.255.255.252
[MSR-1]rip
[MSR-1-rip-1]network 192.168.1.0
[MSR-1-rip-1]network 3.3.3.1
Configuration on MSR-2:
[MSR-2]interface GigabitEthernet 0/0
[MSR-2-GigabitEthernet0/0] ip address 10.10.10.1 255.255.255.0
[MSR-2]interface Serial 1/0
[MSR-2-Serial1/0] link-protocol ppp
[MSR-2-Serial1/0]ip address 3.3.3.2 255.255.255.252
[MSR-2]rip
[MSR-2-rip-1]network 10.10.10.0
[MSR-2-rip-1] network 3.3.3.1
According to the above configuration, the WAN interface between the two routers can communicate with each other, and the two hosts HostA and HostB can ping the address of their respective gateway GE0/0. Then which of the following statements is correct?

• A. RIPv2 is running between the two routers
• B. The two routers can learn the routes of each other's GE0/0 network segment through RIP
• C. RIPv1 is running between the two routers
• D. Two routers cannot learn each other's GE0/0 network segment route through RIP

Answer: B,C

 

NEW QUESTION 79
On the MSR router, if you want to completely delete an obsolete file in the recycle bin, you can execute the ______ command.

• A. reset recycle-bin
• B. clear trash
• C. reset trash-bin
• D. clear all

Answer: A

 

NEW QUESTION 80
Two empty-configured MSR routers are directly connected back-to-back through their respective WAN Serial1/0 interfaces, and their interconnection network segment is 192.0.0.0/24.
At the same time, the two routers are connected to their respective LAN segment users through their respective GigabitEthernet0/0: HostA----GE0/0--MSR-1--S1/0---------S1/0-- MSR-2--GE0/0----HostB
Configure RIPv1 on both routers. Now both routers have learned the RIP route of the opposite LAN segment.
So which of the following statements are correct?

• A. RIP packets between the two routers are still based on UDP transmission
• B. If the LAN segment of one of the routers is 10.0.0.0/24, then the routing table of the other router will learn the route of 10.0.0.0/8
• C. RIP RADIUS authentication can be configured on the WAN interface of the two routers to enhance network security
• D. The way to exchange RIP packets between the two routers is broadcast

Answer: A,B,D

 

NEW QUESTION 81
The role of link aggregation is ______.

• A. Data load balancing can be realized.
• B. Increase link bandwidth.
• C. Can avoid switching network loops.
• D. Increased link reliability between switches.

Answer: A,B,D

 

NEW QUESTION 82
The following configuration is made on the GE0/0 interface of an MSR router running OSPF:
[MSR-GigabitEthernet0/0]ospf cost 2
Then the correct description of this configuration command is ______. (Multiple choice)

• A. This command only affects the path of data sent from this interface
• B. This command changes the OSPF Cost value of GE0/0 to 2
• C. By default, the interface cost of the MSR router is proportional to the interface bandwidth
• D. This command only affects the path of the data received from this interface

Answer: A,B

 

NEW QUESTION 83
The following description of the characteristics of VTY in H3C equipment is correct ______.

• A. Only used to Telnet the device
• B. Each device can support simultaneous access by multiple VTY users
• C. Each VTY user corresponds to a physical interface
• D. No password authentication is not supported

Answer: B

 

NEW QUESTION 84
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. The ISDN network is composed of ISDN terminals, terminal adapters, network terminal equipment, ISDN access routers, and ISDN switches.
• D. ISDN switches are usually devices on the ISDN user side.

Answer: A,B,C

 

NEW QUESTION 85
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. The interface IP address of S6/0 on this router is 192.168.120.153
• B. This is a manually configured static route with a metric value of 0
• C. This is a direct route with a metric value of 0
• D. The next hop of the router, that is, the IP address of the peer device is 192.168.120.153

Answer: B,D

 

NEW QUESTION 86
In the following statement about HDLC, what is wrong is ______. (Multiple choice)

• A. The HDLC protocol is a bit-oriented transport layer protocol.
• B. Any bit stream can be transparently transmitted on the HDLC link.
• C. The HDLC protocol uses a unified frame format, so both data messages and protocol messages are transmitted in standard format frames on the HDLC link.
• D. HDLC can run on the same/asynchronous link, so it has a wide range of applications.

Answer: A,D

 

NEW QUESTION 87
The following description about the characteristics of Comware, which is correct is ______.

• A. Support multiple CPUs
• B. Support IPv4 and IPv6 dual protocol
• C. High reliability and flexible expansion
• D. Integration of routing and switching functions
• E. Flexible cutting and customization functions

Answer: A,B,C,D,E

 

NEW QUESTION 88
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