最新的HCIA-Datacom認證 H12-811_V1.0-ENU考試題庫

問題1

Which information in the packet can be used to classify complex flows? (Multiple choice)

A. Source and destination address information

B. Source and destination MAC address information

C. Agreement type

D. Packet length of the message

正確答案: A,B,C

問題2

What is the value of TPID defined by IEEE802.1Q?

A. 0x9100

B. 0x7200

C. 0x8100

D. 0x8200

正確答案: C

問題3

The host must go through NAT when using the IP address 1168.1.2 to access the Internet.

A. False

B. True

正確答案: B

問題4

As shown in the figure, there are three data packets captured by the administrator in the network. Which of the following statements is wrong?

A. The telnet client uses port 50190 to establish a connection with the server

B. These three data packets represent the three-way handshake process of TCP

C. The IP address of the telnet server is 10.0.12.1, and the IP address of the telnet client is 10.0.12.2

D. None of the three packets contain application layer data

正確答案: C

問題5

Which of the following descriptions about spanning tree designated ports is correct?

A. Each switch has only one designated port

B. The port on the root switch must not be a designated port

C. The designated port forwards the configuration BPDU message from this switch to the root switch

D. The designated port can forward the configuration BPDU message to the network segment connected to it

正確答案: D

問題6

The full name of the LER in the MPLS domain is Label Egress Router.

A. False

B. True

正確答案: A

問題7

In the network shown in the figure, the administrator hopes that all hosts cannot access the Web service (port number is 80), and other services can be accessed normally. In the interface configuration of G0/0/1, which traffic-filter outbound needs to be bound ACL rule?

A. acl number 3000
rule 5 deny tcp destination-port eq www
rule 10 permit ip
#

B. acl number 3002
rule 5 permit ip
rule 10 deny tcp destination-port eq www
#

C. acl number 3001
rule 5 deny udp destination-port eq www
rule 10 permit ip
#

D. acl number 3003
rule 5 permit ip
rule 10 deny udp destination-port eq www
#

正確答案: A

問題8

The advanced ACL on Huawei equipment can be used to filter which of the following content? (Multiple choice)

A. Network traffic based on a specific source address

B. Network traffic based on specific usernames

C. Network traffic based on specific port numbers
E Traffic based on a specific source MAC address

D. Destination-Based Network Traffic

正確答案: A,C,D

問題9

The tracert diagnostic tool in Huawei routers is used to trace the forwarding path of data.

A. False

B. True

正確答案: B

問題10

In a Layer 2 network, if a loop occurs, it may cause a broadcast storm.

A. False

B. True

正確答案: B

問題11

The following is a description of the eSight physical topology monitoring function. Which option is correct? (Multiple choice)

A. Accurate and visual monitoring of the network operation status of the entire network

B. The entrance of the entire network monitoring, to achieve efficient operation and maintenance for customers

C. Graphically display the layout and status of network elements, subnets, and links

D. Systematically display the network structure of the entire network and the business relationship of network entities

正確答案: A,B,C,D

問題12

The output information of the router is shown in the figure, which of the following statements is wrong?

A. The physical link of the Ethernet0/0/0 interface is normal

B. The IP address of the Ethernet0/0/0 interface is 10.0.12.1/24

C. The MTU value of the Ethernet0/0/0 interface is 1480

D. The broadcast address corresponding to the Ethernet0/0/0 interface is 10.0.12.255

正確答案: C

問題13

Which of the following IEEE 802.11 standards support working in the 5GHz frequency band? (Multiple choice)

A. 802.11a

B. 802.11g

C. 802.11n

D. 802.11ax

正確答案: A,C,D

問題14

Based on ACL rules, which of the following types can ACL be divided into? (Multiple choice)

A. Layer 2 ACL

B. Advanced ACLs

C. User ACLs

D. Basic ACLs

正確答案: A,B,C,D

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