The following statement about the HybriD. port is correct ()
CSS refers to the combination of two switch devices that support cluster features. Logically combined into one switch device. ()
Take effect immediately after the Router ID of the OSPF process is modified ()
192.168.1.127/25 represents () address ()
The configuration of the country code will affect the actual frequency used for transmission and the maximum transmission power ()
The following description about the specified port of the spanning tree is correct ()
What are the characteristics of VLAN based on ports? ()
Wireless access controller (AC, Access Cntroller) As a unified management and control device in the FIT AP architecture, the following description of the role of AC. is wrong ()
When planning a campus network, which of the following methods can be used to divide service VLANs? ()
The router needs to modify the destination IP address in the data packet when forwarding the data packet ()
The DHCP request message is sent by broadcast
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? ()
A certain ACL of the router is in the following rules, rule deny source192.168.2.00.0.0.255 destination 172.16.10.20.0.0.0 Which of the following statements is correct? ()
The link aggregation interface can only be used as a Layer 2 interface ()
1/128 is the IPv6 loopback address ()
The following description about the specified port of the spanning tree is correct ()·
UDP is connectionless and must rely on () to ensure the reliability of transmission.
When deploying ACL on Huawei equipment, which of the following descriptions is correct is ()
The role of the collaboration layer in the SDN architecture is to complete job deployment based on user intentions. OpenStack belongs to the business collaboration layer ()
The administrator wants to allocate a Hundred P address on the G0/0/0 interface of the router. Which of the following addresses is correct? ()
Which of the following protocols does the RA. message used by IPv6 stateless autoconfiguration belong to? ()
Which of the following port states is not included in the RSTP protocol? ()
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 the root bridge of this network. ()
Which of the following statements about MPLS Labe1 labels is wrong? ()
748.192.168.1.127/25 represents the () address. ()
DHCP is an application layer protocol. In order to make it more reliable when assigning P, its transport layer uses TCP protocol.
An existing switch is connected to a designated port through a port, but the port does not forward any packets, but can monitor network changes by receiving BPDUs, then the role of the port should be ().
The output information of a router's routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)
When the FIT AP goes online, the software version will be downloaded from AC.
System-view (huawei) command-privilege level3 view user save is correct about the above configuration command ()
At which layer of the OSI reference model do Ethernet switches operate? ( )
AC uses CAPTAP control tunnel transmission to FIt AP management packet
When the host frequently moves the office, which VLAN division method is most suitable? ()
As shown in the figure below, assuming that the MAC address table of SWA. is as follows, now host A. sends a data frame with a destination MAC address of MAC-B. Which of the following statements is correct? ()
Which of the following statements about Adjacency Segment is wrong? ()
The config mode is the default ACL matching order on Huawei devices. ()
All interfaces of routers running 0SPF protocol must belong to the same area. ()
What is the length of the Ethernet II frame containing the Ethernet header?
When using the SNMPv1 protocol to manage network devices, which of the following commands is used by the network management system to complete the configuration of the network devices? ()
VRP operating platform, which of the following commands can only view static routes? ()
The DHCPv6 server supports the provision of other configuration information such as DNS server addresses for the host. ()
What is RouterDeadInterval of the OSPF protocol on the broadcast network by default? ()
Which version of the SNMP protocol below supports encryption features? ()
The RSTP protocol uses the P/A mechanism to speed up the upstream port's transition to the Forwarding state, but what is the reason for no temporary loop? ()
If the administrator wants to completely delete the old device configuration file, the following command is correct ().
Users cannot configure VLAN ID. to 0. ()
The administrator plans to implement route backup by configuring static floating routes. The correct way to achieve this is ()
When adopting LACP mode for link aggregation, what is the default system interference level of Huawei switches? ()
What is the value of the Type field in the RStp configuration BPDU message? ()
Which of the following statements is correct? ()
The election of the root switch in STP only compares the priority of the switch, while in RSTP, the priority of the switch is compared with the MAC address at the same time. ()
Switch stacking supports more than two devices, and multiple switches can be grouped into a logical device through stacking. ()
What is the IEEE802.11 standard corresponding to Wi-F16? ()
For the description of the PPP link establishment process, the following statement is wrong ()
The Priority field in the VLAN tag can identify the priority of the data frame. What is the scope of this priority? ()
The output information of a certain router is shown in the figure. Which of the following statements are correct? () (Multiple Choice Questions)
Which of the following statements about RA. and RS messages in IPv6 are correct? ()*
The router Radius information configuration is shown in the figure. Which of the following statements are correct? （）#Radius-server template Huawei radius-server shared.key cipher Huawei radius-server authentication 200.0.12.1 1812 radius-server accounting 200.0.12.1 1813#*
Which of the following attributes cannot be used as a measure of CoThe parameter of st? ()*
Which of the following are related to the purpose of encapsulation and decapsulation? ()*
Which of the following network parameters can be assigned by Dynamic Host Configuration Protocol DHCP? ()*
What is the role of link aggregation? ()*
There are hosts in a private network that need to access 1nternet. In order to achieve this requirement, which of the following configurations should be done by the administrator on the edge router of the network? ()*
The network shown in the figure below. The host has an ARP cache. Which of the following statements are correct? )(Multiple Choice Questions)
What are the stable states of OSPF neighbor relationship? ()*
The network shown in the figure below. From a security perspective, router A refuses to receive OSPF packets and ICMP packets received from interface G0/0/1. Which of the following commands can achieve this requirement? () (Multiple Choice Questions)
Which fields in the IPv4 header are related to fragmentation? ()*
Which of the following statements about the S field in the MPLS packet header are correct? ()*
Which of the following statements about the various versions of the SNMP protocol are correct?
The administrator cannot log in to the Huawei router through Telnett, but other administrators can log in normally, so which of the following are the possible reasons? ()*
The output information of the sub-interface of a router aggregate port 1 is shown in the figure. Based on this information, which of the following statements are correct? ()
The classic network forwarding method is based on router routing table forwarding. The forwarding method of OpenFlow switches is based on flow table forwarding. Which of these two forwarding methods are correct? ()*
An ACL rule is as follows: Which of the following IP addresses can be matched by permit rules? () rule5per mit ip source10.0.1.00.0.254.255*
According to the following configuration, which statement is correct? () (Multiple Choice Questions)
Int g0/0/1
Int g0/0/2
Port hybrid pvid vlan 20
Port hybrid pvid vlan 10
Port hybrid untagged vlan 10 20
Port hybrid untagged vlan 10 20
The LACP mode of link aggregation uses LACPDU to elect the active end. What information in LACPDU is the basis for electing the active end of LACP? ()*
What are the advantages of the OSPF protocol? ()*
Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()
The controller is the core component of SDN. The controller is connected to the device through the southbound interface. The following is missing from the controller southbound agreement? ()
The transmission rate of the Eth-Truk port in manual link aggregation mode is related to ().*
What are the user authentication methods that can be deployed in wlan? ()
What command line views exist on the VRP operating platform? ()*
The output information of the sub-interface of a certain router's aggregation port 1 is shown in the figure. Based on this information, which of the following statements is correct? ( )
[Router A] display Interface Eth-Trunk 1.100Eth-Trunk1.100 current state UP Line protocol current state UP Last line protocol up time 2019-03-04 10:22:40 UTC.-08:00 Description: HUAWEI, ARSeries, Eth-Trunk1.100 Interface Route Port, Hash arithmetiC.:According to SIP-XOR-DIP, Maximal BW:2G.Current BW:2G, The Maximum Transmit Unit is 1500 Internet Address is 10.0.12.2/24 IP Sending Frames'Format is PKTFIT ETENT 2, Hardwareaddress 1s 00e0-fc3b-2015 Current system time:2019-03-04 10:24:29-08:00 Last 300 seconds input rate0 bits/sec.0 packets/sec Last 300 seconds output rate 0 bits /seC.0 packets/sec Realtime 0 seconds inputrate 0 bits/seC.0 packets/sec Realtime 0 seconds output rate 0 bits/seC.0 packets/sec Input: 6 packets, 574 bytes,
Output: 7 packets, 638 bytes, Input bandwidth utilization 0% Output bandwidth utilization 0%
PortName Status Weight
GigabitEthernet0/0/1 UP 1 GigabitEthernet0/0/2 UP 1
The Number of Ports in Trunk:2 The Number of UP Ports in Trunk:2*
Which devices are generally involved in wlan deployment schemes in enterprise scenarios? ()*
What kind of message does the 0SPF protocol use to request the locally missing LSA? ()
By default, network devices running the SNMPv2C. protocol use which of the following port numbers to send trap messages to the network management system? ()
"The network administrator created VLAN 10 on the Layer 3 switch and configured an IP address under the virtual interface of the VLAN. When using the command "display ip interface brief to view the port status, and found that the VLANIF10 interface is in the dow state, what should be done? Operation to restore the VLANIF10 interface to normal? ()
As shown in the figure, two switches use the default parameters to run STP root primary; Switch B uses the configuration command STP priority 0. Then which port will be blocked? () (Single-choice question)
What is the number range of the Layer 2 ACL? ()
As shown in the figure below, in the MAC address table of the network. SWA and SWB, which of the MAC addresses, VLANs, and ports are correct? () (Single-choice question)
In the network shown in the figure below, when the 0$PF neighbor status is stable. What is the neighbor status of Router B and Router C?
Among the configuration BPDUs sent by the switch, which bridge D. is unlikely to appear? ()
As shown in the picture. About OSPF topology and configuration. Which of the following statements is correct? () (Single-choice question)
The two-layer switch is a data link layer device, which can identify the MAC address information in the data frame, and record these MAC addresses and corresponding port information in its own MAC address table. ()
The priority of the LACP protocol is shown in the figure. Switch A and Switch B adopt LACP mode link aggregation, and all interfaces are added to the link aggregation group. At the same time, set the maximum number of active ports to 3. Then which port of switch A is not an active port ? () (Single-choice question)
Three Layer 2 switches are interconnected with one HUB. The switches are all enabled with STP bridge ID. Refer to the figure below. What are the default errors of other configurations? () (Single-choice question)
The Hybri D port can be connected to the user host or other switches. ()
In the network shown in the figure below, switch A and router A are connected by two links, and the two links are aggregated in manual load sharing mode. The aggregated port number is 1, and the aggregated link performs data forwarding It needs to carry VLAN TAG100, and switch A uses trunk link. Which of the following configurations should be used for switch A? ()
The network shown in the figure below. The administrator wants RTA to use a static router. Priority is given to sending data packets to RTB's LoopbackO interface through G0/0/1 port. At the same time, G0/0/2 is used as a backup. Then any configuration on RTA can be Realize this requirement? () (Single-choice question)
A network administrator of a company wants to be able to remotely manage the network equipment of the branch. Which of the following protocols will be used? ()
In the network as shown in the figure below, host A logs in to router A through Telnet. Then obtains the configuration file of router B through FTP on the remote interface. At this time, how many TCP connections does router A have? () (Single-choice question)
How to deal with the data frame sent by the Trunki port? ()
Compared with the IPv4 packet header, which field is added to the IPv6 packet? ()
The following figure shows the routing table of a router. When the router receives a destinationIWhen the P address is a data packet of 9.1.1.1,The router will forward according to the route of 9.1.0.0/16 because the mask length of this route is longer. ()(True or False)
The network administrator configures the RTA on the Huawei router as shown in the figure. If a user needs to be authenticated in the authentication domain "huawei", which of the following descriptions is correct? () (Single-choice question)
(RTA) aaa
(RTA-aaa) domain huawei
(RTA-aaa-doaain huavei) authentication -schene au1
(RTA-aaa-dogairhuavel) authenticIcation-schene au2
As shown in the figure, the administrator hopes that all hosts cannot access the Internet from 8:00 to 17:00 every day. Which ACL rule needs to be bound to traffic-filter outbound in the interface configuration of G0/0/1? () (Single-choice question)
In order to distinguish between different users and provide different network services on the AP. Which of the following can be configured through configuration? ()
The configuration of the country code will affect the frequency used for actual transmission and the maximum transmission power. ()
If the MAC address of an interface is 0OEO-FCEF-OFEC, what is its corresponding EUI-64 address? ()