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H3C GB0-191-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| WAN and Interconnection | 10% | - Common WAN access technologies - Network fault diagnosis - VPN and basic WLAN concepts |
| Computer Network Fundamentals | 20% | - TCP/IP protocol suite and subnetting - Common network interfaces and cables - OSI and TCP/IP models |
| IP Routing Technologies | 20% | - Static routing and default route - RIP protocol fundamentals and configuration - Introduction to OSPF basics |
| Network Services and Security | 15% | - DHCP and DNS services - ACL and NAT configuration - Port security and device hardening |
| H3C Device Basics | 15% | - Command line interface and file system - Basic configuration and management - Remote access and system maintenance |
| LAN Switching Technologies | 20% | - Ethernet principles and VLAN - Spanning Tree Protocol - VLAN trunking and link aggregation |
H3C Constructing Small - and Medium - Sized Enterprise Network Sample Questions:
1. When using the ping command on the MSR router, you can use the ______ parameter to set the length of the sent ICMP packet. size
A) -s
B) -c
C) -n
D) -b
2. The address of the GE0/0 interface of the router MSR-1 is 192.168.100.1/24. This interface is connected to a Layer 3 switch, and this Layer 3 switch is the default gateway for multiple network segments of the customer's office network. MSR-1 is connected to the Internet through the serial port S1/0. The entire network has been interoperable normally, and office network users can access the Internet.
For security reasons, it is necessary to prohibit the client host from pinging the GE0/0 interface of MSR-1, so the following ACL is configured on the router:
acl number 3008
rule 0 deny icmp source 192.168.1.0 0.0.0.255
At the same time, the ACL is applied in the inbound direction of GE0/0. It is found that users on the 192.168.0.0/24 network segment in the LAN can still ping the GE0/0 interface address. According to the above information, _______ can be inferred.
A) The default firewall rule is to allow
B) After the shutdown and undo shutdown commands are executed on the interface GE0/0, the 192.168.0.0/24 network segment will not be able to ping the MSR-1 Ethernet interface address.
C) The ACL is applied in the wrong direction
D) The ACL does not take effect
3. A Layer 3 switch is connected to the GigabitEthernet0/0 interface of the customer's router MSR-1, and this Layer 3 switch is the default gateway for multiple segments of the customer's office network. At the same time, the WAN interface of the router is connected to the Internet, and there is a DNS server on the Internet to provide services for hosts in the customer's local area network. The customer's office network can access the Internet normally. Now the following ACL is applied in the inbound direction of GigabitEthernet0/0 of MSR-1 :
firewall enable
acl number 3006
rule 0 deny tcp source 192.168.1.0 0.0.0.255
rule 5 permit ip
So ______ . (Multiple choice)
A) Customers on the 192.168.1.0/24 network segment cannot open external web pages through WWW
B) Customers on the 192.168.1.0/24 network segment can send and receive external mail normally through mail clients such as Outlook
C) Customers on the 192.168.1.0/24 network segment cannot send and receive external mail through mail clients such as Outlook
D) Customers on the 192.168.0.0/24 network segment can download data from the Internet via FTP
4. The following statements about OSPF information display and debugging commands are correct _____. (Multiple choice)
A) Use the display ospf routing command to view the router's OSPF routing situation, not all OSPF routes will be added to the global routing table
B) View OSPF error information through display ospf fault
C) You can view the link state database of the router through the display ospf lsdb command. The link state database of all OSPF routers in the network should be the same
D) Use the display ospf peer command to view the router's OSPF neighbor relationship
5. An MSR router needs to learn routing information through RIP, and the following configuration is made on the router: rip 1 network 0.0.0.0 Then the correct explanation for this configuration is ______.
A) This configuration is incorrect
B) When RIP is not enabled on this router
C) All interfaces on this router enable RIP
D) RIP will publish a default route of 0.0.0.0
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A | Question # 3 Answer: A,C,D | Question # 4 Answer: A,D | Question # 5 Answer: C |








