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H3C GB0-191-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: WAN and Interconnection | 10% | - Common WAN access technologies - Network fault diagnosis - VPN and basic WLAN concepts |
| Topic 2: Computer Network Fundamentals | 20% | - TCP/IP protocol suite and subnetting - OSI and TCP/IP models - Common network interfaces and cables |
| Topic 3: LAN Switching Technologies | 20% | - VLAN trunking and link aggregation - Spanning Tree Protocol - Ethernet principles and VLAN |
| Topic 4: IP Routing Technologies | 20% | - Introduction to OSPF basics - RIP protocol fundamentals and configuration - Static routing and default route |
| Topic 5: Network Services and Security | 15% | - ACL and NAT configuration - Port security and device hardening - DHCP and DNS services |
| Topic 6: H3C Device Basics | 15% | - Remote access and system maintenance - Command line interface and file system - Basic configuration and management |
H3C Constructing Small - and Medium - Sized Enterprise Network Sample Questions:
Use the display nat session command to view the NAT information, the display is as follows:
There are currently 4 NAT sessions
Protocol GlobalAddr Port InsideAddr Port DestAddr Port
-198.80.28.11 --- 10.0.0.2 --- --- ---
VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:04:00
-198.80.28.12 --- 10.0.0.1 --- --- ---
VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59
1 198.80.28.12 1024 10.0.0.1 1024 198.80.29.4 1024
VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59
1 198.80.28.11 512 10.0.0.2 512 198.80.29.4 512
VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:01:00
This information shows that the private network address is ______. (Multiple choice)
- A. 192.80.28.11
- B. 10.0.0.2
- C. 10.0.0.1
- D. 192.80.29.4
- E. 192.80.28.12
Correct Answer: B,C 🗳️
On the MSR router, if a certain file has been set as the startup file, you can use the ______ command to check whether the setting is correct.
- A. display begin
- B. display boot
- C. display start-configuration
- D. display startup
Correct Answer: D 🗳️
An empty-configured MSR router is connected to the local LAN user through the GE0/0 interface, and directly connected to the remote router through the S1/0 interface. The IP addresses of GE0/0 interface and S1/0 interface are 10.1.1.1/24 and 172.16.1.1/30 respectively.
In order to ensure the intercommunication with remote LAN users, the following routes are configured on the MSR:
[MSR] ip route 10.20.0.0 255.255.255.0 s1/0
After the configuration, the MSR receives the data packet sent to the destination address 10.20.0.254/24. After the static route is found in the routing table, how will the MSR deal with the data packet next?
- A. The packet is discarded because the destination host is not listed in the routing table
- B. Encapsulate the IP packet into a frame conforming to the S1/0 interface link, and then forward it from the S1/0 interface
- C. Find the IP address corresponding to interface S1/0, and then forward the IP packet from interface S1/0
- D. The packet is discarded because the next hop address is not listed in the routing table
- E. Parse the MAC address of the S1/0 interface, update the destination MAC address, and then re-encapsulate the IP packet
Correct Answer: B 🗳️
In the process of tearing down the TCP connection as shown in the figure, the Y part of FIN should be filled with ______.
- A. q+1
- B. p+1
- C. q
- D. p
Correct Answer: C 🗳️
The two WAN interfaces S1/0 and S1/1 of the router MSR-1 are connected to the routers MSR-2 and MSR-3 respectively. At the same time, the Ethernet port of MSR-1 is connected to MSR-4, and all four routers run RIP protocol. In the routing table of MSR-1, there is a route R from MSR-2 whose suppression time is activated, then ______. (Multiple choice)
- A. The cost value of route R in the routing table of MSR-1 and MSR-2 is set to 16
- B. After the suppression time expires, if MSR-1 receives the update of route R from MSR-4, then MSR-1 will update the information of route R in the routing table
- C. Before the suppression time ends, if MSR-1 receives the update of route R from MSR-3, and its Cost is less than 16, then MSR-1 will release the suppression of route R and update the routing table
- D. Before the suppression time ends, if MSR-1 receives the update of route R from MSR-2, and its Cost is less than 16, then MSR-1 will release the suppression of route R and update the routing table
Correct Answer: A,B,D 🗳️
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