GB0-191-ENU by H3C Actual Free Exam Questions And Answers

Question 1

In the router's routing table, there is an entry for a route with a network segment of 10.168.100.0/24, with a Cost of 20 and a Preference of 255, so which of the following statements about this route are correct?

A. The priority of this route is the highest value, which means any route from an untrusted source

B. This is an effective dynamic route

C. Cost 20 means that the hop count of the route is 20

D. This route must be learned through dynamic routing

Discussion 0

Correct Answer: B,D Vote an answer

Question 2

Use the ______ command to view the NAT table entries.

A. display nat

B. display nat entry

C. display nat table

D. display nat session

Discussion 0

Correct Answer: D Vote an answer

Question 3

The default control protocol port used by FTP is ______.

A. 21

B. 23

C. 22

D. 20

Discussion 0

Correct Answer: A Vote an answer

Question 4

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. SWC

B. SWA

C. SWB

D. Insufficient information, unable to judge

Discussion 0

Correct Answer: B Vote an answer

Question 5

DNS works on the ______ of the OSI reference model.

A. Network layer

B. Application layer

C. Transport layer

D. Session layer

Discussion 0

Correct Answer: B Vote an answer

Question 6

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

A. Flexible cutting and customization functions

B. Support multiple CPUs

C. Integration of routing and switching functions

D. High reliability and flexible expansion

E. Support IPv4 and IPv6 dual protocol

Discussion 0

Correct Answer: A,B,C,D,E Vote an answer

Question 7

The TCP protocol uses ______ to distinguish different connections.

A. Port number

B. IP address and MAC address

C. Port number and IP address

D. Port number and MAC address

Discussion 0

Correct Answer: C Vote an answer

Question 8

The two MSR routers are connected as shown in the figure.

OSPF is currently running between the two routers. Now that you need to configure an ACL on RTA to prevent the establishment of OSPF neighbor relationship between RTA and RTB, which of the following ACLs is feasible to apply in the outbound direction of the GE0/0 interface of RTA?

A. acl number 3000 rule 0 deny ospf rule 5 permit ip

B. acl number 3000 rule 0 deny udp destination-port eq 89 rule 5 permit ip

C. acl number 3000 rule 0 deny ip destination 224.0.0.5 0 rule 5 permit ip

D. acl number 3000 rule 0 deny ip destination 224.0.0.5 0 eq 89 rule 5 permit ip

Discussion 0

Correct Answer: A,C Vote an answer

Question 9

Divide a class C network into subnets. If all 0 and all 1 subnets are not valid subnets, then use a 26-bit mask to subnet the network. The number of effective subnets that can be divided is ______. (Please fill in Arabic numerals)

Discussion 0

Correct Answer:

2

Question 10

In the network environment as shown in the figure, perform the following NAT configuration on RTA:

[RTA]acl number 2000
[RTA-acl-basic-2000]rule 0 permit source 100.0.0.0 0.0.0.255
[RTA-acl-basic-2000]nat address-group 1 200.76.28.11 200.76.28.11
[RTA]interface Ethernet0/1
[RTA-Ethernet0/1]nat outbound 2000 address-group 1
After configuration, both Client_A and Client_B are accessing Server, then the NAT table of RTA may be ______ at this time.

A. Protocol GlobalAddr Port InsideAddr Port DestAddr Port 1 200.76.28.11 12289 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59 1 200.76. 28.11 12288 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: 11, TTL: 00:01:00, Left: 00:00:51

B. Protocol GlobalAddr Port InsideAddr Port DestAddr Port 1 200.76.28.12 12289 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: 11, TTL: 00:01:00, Left: 00:00:59 1 200.76. 28.11 12288 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: 11, TTL: 00:01:00, Left: 00:00:51

C. Protocol GlobalAddr Port InsideAddr Port DestAddr Port 1 200.76.28.11 12289 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: 11, TTL: 00:01:00, Left: 00:00:59 1 200.76. 28.11 12288 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: 11, TTL: 00:01:00, Left: 00:00:51

D. Protocol GlobalAddr Port InsideAddr Port DestAddr Port 1 200.76.28.11 12289 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: 11, TTL: 00:01:00, Left: 00:00:59 1 200.76. 28.12 12288 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: 11, TTL: 00:01:00, Left: 00:00:51

Discussion 0

Correct Answer: C Vote an answer

Question 11

Methods of VLAN division include ______. (Multiple choice question)

A. Division based on port attributes

B. Port-based division

C. Division based on MAC address

D. Division based on agreement

E. Division based on subnet

Discussion 0

Correct Answer: B,C,D,E Vote an answer

Question 12

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 E1/0/1 interface

B. Discard directly

C. Send out from the E1/0/3 interface

D. send out from all interfaces on the switch

E. Send out from the E1/0/2 interface

F. send out from E1/0/4 interface

Discussion 0

Correct Answer: A,C,F Vote an answer

Question 13

An empty-configured MSR router connects to the frame relay network through interface S1/0.
To achieve connectivity by configuring the frame relay sub-interface on this router, the correct description of the frame relay sub-interface is ______. (Multiple choice)

A. For the network layer, there is no difference between the sub-interface and the main interface

B. Only one virtual circuit can be configured on a point-to-point subinterface

C. Multiple sub-interfaces under one interface can be configured as the same IP subnet

D. Multiple virtual circuits can be configured on the point-to-point type sub-interface

Discussion 0

Correct Answer: A,B Vote an answer

H3C Constructing Small - and Medium - Sized Enterprise Network - GB0-191-ENU Exam Practice Test

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