H12-811_V1.0 Exam Questions

The role of the OSPF protocol is

UDP is connectionless and must rely on () to ensure the reliability of transmission.

Use the command kdir test in the VRP operating platform. The system will create a directory named test.

Since the TCP protocol uses a three-way handshake mechanism when establishing a connection and closing a connection, TCP supports reliable transmission.

VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and management level. Which level can run various business configur...

What kind of packets does the OSPF protocol use to discover and maintain neighbor relationships? ()

VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and management level. Which level can run various business configur...

Using a traditional landline to make a call is a way of network communication. ()

In the VRP interface, use the command delete vrpcfg.zip to delete a file. The file must be emptied in the recycle bin to completely delete the file. ()

In what state does the OSPF protocol determine the master-slave relationship of DD. packets? ()

The following two configuration commands can realize the router RTA. The main and backup backup routes to the same destination 10.1.1.0: () (RTA)ip route--statiC.10.1.1.02412.1.1.1...

In the network shown in the figure below, the bridge ID of the switch has been marked. Enter the command stp rootsecondary on the sWD. switch and the following switch will become t...

If the Length of an Ethernet data frame/Type = 0x8100, which of the following statements is correct? ()

FAT AP can independently complete wireless user access, wireless user authentication, and business data forwarding without AC. ()

In the WLAN network architecture, terminal devices that support the 802.11 standard are called? ()

The following statement about static routing is wrong ()

Which of the following IPv4 addresses can be used by a host to directly access the Internet? ()

The switch becomes a logical switch after stacking and clustering, and Eth-Trunk across physical devices can be deployed to improve network reliability. ()

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

When the Access type port sends a message, it will ().

The management of users by NAS devices is based on domains. Each user belongs to a domain, and a domain is a group composed of users belonging to the same domain. ()

Which of the following statements about Prefix Segment is wrong? ()

What is correct about the SNMP protocol? ()

The IPv6 address 2001: ABEF:2240E:FFE2:BCC0:CD0:DDBE:8D58 cannot be abbreviated. ()

Which state does the 0SPF protocol use to indicate that the adjacency relationship has been established? ()

The tracert diagnostic tool in Huawei routers is used to track the data forwarding path. ()

There are multiple route entries to the same destination network in the routing table. These routes are called? ()

The broadcast address is a special address that all the host bits in the network address are set to, and it can also be used as a host address. ()

Which of the following OSCan PF protocol packets ensure the reliability of LSA update? ()

The last option field (option) of 1Pv4 is variable-length optional information. What is the maximum length of this field? ()

Which of the following advantages does the single-arm routing approach achieve inter-VLAN routing and intercommunication? ()

The switch receives a unicast data frame. If the destination MAC of the data frame can be found in the MAC table, the data frame will be forwarded from the corresponding port of th...

The output information of the link aggregation port of a certain switch is as follows. If you want to delete Eth-Trunk1, which of the following commands is correct? ()

Which information of the data frame is used by the VLANIF interface to determine whether to perform Layer 2 or Layer 3 forwarding? ()

If the value of the ypeLength field of an Ethernet data frame is 0x0800, the length of the upper layer message header carried by this data frame is in the range of 20-60B. ()

When using FTP for file transfer, how many TCP connections will be established? ()

In order to join the wireless network STA. The wireless network information needs to be obtained first. Which of the following messages is used by the STA to actively obtain the SS...

In a broad sense, the transmission medium that constitutes the wireless local area network wlan does not include? ()

Which field of the ipv6 packet header can be used for QoS? ()

After the network administrator uses the TracertRoute function on the router device, in the data packet sent by the router, the value of the Protoco1 field in the IPv4 header is? (...

The switch is connected to the host. What is the common port link type of the switch? ()

When using the FTP protocol to upgrade the router software, the transmission mode should be selected ()

The network structure and 0$PF partition are shown in the figure. In the figure, except for RTA., the routers RTB.RTC. and RTD. are ABR routers. () (RTA) ip route-statiC.10.1.1.024...

The network administrator hopes to be able to effectively use the P address of the 192.168.176.0/25 network segment. Now that the company's marketing department has 20 hosts, which...

What is the main function of the dynamic routing protocol? ()

The device port running the STP protocol is in the Forwarding state. Which of the following statements are correct? ()

The following description about the specified port of the spanning tree is correct ()?

Which of the following statements about link aggregation are correct? ()

What is the total length of the VLAN frame format defined by IEEE802.1Q? ()

CSS refers to the combination of two switch devices that support cluster features. Logically combined into one switch device. ()