Estudos Hcia BRBR

When the Trunk port send the data frame, how to deal with?. When the VLAN ID is the same as the PVID of the port and is a VLAN ID allowed by the port, remove the Tag and send the message. When the VLAN ID is different from the PVID of the port, the data frame is dropped. When the VLAN ID is different from the PVID of the port, replace it with PVID forwarding. When the VLAN ID is different from the PVID of the port, strip off the TAG and forward.

How many bits are there in the VLAN ID in the VLAN format defined by IEEE802.1Q?. 12. 6. 10. 8.

In the network shown in the figure below, the output information of switch A is shown in the figure. Then in the MAC address table of switch A, which interface does the MAC address of host B correspond to?. GigabitEthernet 0/0/3. GigabitEthernet0/0/2. Eth-Trunk 1. GigabitEthernet0/0/1.

All ports on the root-bridge switch are designated ports. True. False.

In the configuration BPDU sent by the switch, which bridge ID is unlikely to appear?. 8192 00-01-02-03-04-CC. 4096 00-01-02-03-04-CC. 0 00-01-02-03-04-CC. 2048 00-01-02-03-04-CC.

The number of VLANs that can be created using the commands "vlan batch 10 20" and "vlan batch 10 to 20" respectively is. 11 and 11. 11 and 2. 2 and 2. 2 and 11.

By default, the root path cost of the root bridge in the STP protocol must be 0. True. False.

The administrator wants all hosts to be unable to access the Internet between 8:00-17:00 every day, so which ACL rule needs to be bound to the traffic-filter outbound in the GO/0/1 interface allocation?. time-range am9topm5 08:00 to working-day Acl number 2003 rule 5 deny time-range am9topjni5. time-range am9topm5 08:00 to 17:00 off-day # acl number 2004 rule 5 permit time-range. time-range am9topm5 08:00 to 17:00 daily acl number 2001 rule 5 deny time-range am9topm5. time-range am9topm5 07:00 to 18:00 daily Acl number 2002.

As shown in the figure below, the wrong statement is: acl number 2000] rule 5 deny source 200.0.12.00.0.0.7 rule 10permit source200.0.12.00.0.0.15 # interface GigabitEthernetO/0/1 traffic-filteroutbound acl2000. The host whose source IP address is 200.0.12.4 cannot access the Internet. The host whose source IP address is 200.0.12.2 cannot access the Internet. The host whose source IP address is 200.0.12.8 cannot access the Internet. The host whose source IP address is 200.0.12.6 cannot access the Internet.

On Huawei equipment, if you use aaa authentication for authorization. When the remote server does not respond, you can authorize from the network equipment side. True. False.

What percentage does the DHCP client expect to send the lease renewal message for the first time?. 0.5. 0.875. 1. 0.25.

After the administrator successfully logs in to the router through Telnet, and finds that the router's interface IP address cannot be allocated, the possible reasons are (). The Telnet user level is incorrectly configured. SNMP parameter is incorrectly configured. The Telnet user authentication mode is incorrectly configured. The administrator uses the telnet terminal software to prohibit the corresponding operation.

vty configuration as shown in the figure, the user authority level is set to level 3. [Huawei]user-interface vty o 14 [Huawei-ul-vtyo-14]acl 200o inbound [Huavei-ui-vtyo-14]user privilege level 3 [Huavei-ui-vtyo-14]authentication-node password Please configure the login password (maxim length 16):huawei. False. True.

When AP and AC are on different Layer 3 networks, what method is recommended for AP to discover AC? (Multiple Choice). Broadcasting method. DNS. DHCP. Manually specified on AP.

What frequency does IEEE 802.11n support? (Multiple Choice). 2.5GHz. 2.4GHz. 5GHz. 6GHz.

In IPv4 networks, AP supports static and DHCP methods to obtain IP addresses. True. False.

What is the maximum negotiation rate supported by the IEEE 802.llg standard?. 300Mbps. 150Mbps. 54Kbps. 1200Mbps.

Which WLAN security policies support the link authentication method of Open mode? (Multiple Choice). WPA2-802.IX. WPA2-PSK. WEP. WPA.

Which of the following SNMP packets are sent to the NMS by the Agent on the managed device?. Set-Request. Get-Request. Get-Next-Request. Response.

Which field is added to the IPv6 packet header than the IPv4 packet header?. Destination Address. Flow Label. Version. Source Address.

Which of the following statements about RA and RS in IPv6 are correct? (Multiple Choice). RS is used to reply address prefix information. RA is used to request address prefix information. RS is used to request address prefix information. RA is used to reply address prefix information.

Telnetlib is a module that implements the Telnet protocol that comes with Python. True. False.

The controller is the core component of SDN. The controller connects to the device through the southbound interface. Which of the following belong to the controller southbound protocol? (Multiple Choice). SNMP. PCEP. OpenFlow. NETCONF.

In the campus network, network reliability can be improved by using link aggregation and stacking technology. True. False.

Using the command mkdir test in the VRP operating platform, the system will create a directory named test. True. False.

As shown in the figure, after the two routers are configured with OSPF, the administrator configures the <silent -interface s0/0/0> command on RTA, then the correct description of the following is (). (Multiple Choice). The neighbor relationship between the two routers will be down. The neighbor relationship between the two routers will not be affected. RTA will no longer send OSPF packets. RTA will continue to receive, analyze and process OSPF packets sent by RTB.

Which of the following statements about the default route are correct? (Multiple Choice). If the destination address of the message cannot match any other routing entries in the routing table, the router will forward the message according to the default route. There must be a default route in the routing table of any router. The default route can only be manually configured by the administrator. In the routing table, the default route appears as a route to the network 0.0.0.0 (the mask is also 0.0.0.0).

In the network shown in the figure below, the router receives a data packet with a destination IP address of 11.0.12.1 from host A. After this data packet is forwarded by the router, what are the destination MAC and destination IP?. MAC-C, 11.0.12.1. MAC-D, 10.0.12.2. MAC-D, 11.0.12.1. MAC-B, 11.0.12.1.

In the network shown in the figure below, assuming that all routers enable the OSPF protocol at the same time, which router is the BDR in this network?. Router D. Router B. Router C. Router A.

There are multiple route entries to the same destination network in the routing table. These routes are called: Sub-optimal routing. Multi-path routing. Default route. Equal cost routing.

The function of 0SPF hello message is (). (Multiple Choice). Neighbor discovery. Maintain neighbor relations. Update LSA information. Synchronize the LSDB of the route.

The broadcast address is a special address in which the host bits in the network address are all set to 1, and it can also be used as a host address. True. False.

Which of the following cannot be the length of the IPv4 packet header?. 32B. 60B. 20B. 64B.

In the network shown in the figure below, all links are Ethernet links, and all interfaces of all routers run OSPF protocol, how many DRs are elected in the entire network?. 1. 2. 3. 4.

In the network shown in the figure below, if Router A and Router B's loopback 0 communicate through static routing, which command needs to be entered on Router A?. ip route-static 10.0.2.2 0 GigabitEthernet 0/0/0. ip route-static 10.0.2.2 32 GigabitEthernet 0/0/0. ip route-static 10.0.2.2 255.255.255.255 10.0.12.1. ip route-static 10.0.2.2 255.255.255.255 10.0.12.2.

What is the priority value of the direct route entry?. 0. 30. 10. 20.

As shown in the figure, if host A and host B want to achieve inter-VLAN communication through single-arm routing, which configuration should be done under the G0/0/1.1 interface of RTA?. dot1q termination vid 30. dot1q termination vid 20. dot1q termination vid 10. dot1q termination vid 10.

As shown in the figure, the correct description of this network topology is (). There are 6 collision domains in this network. There are 2 broadcast domains in this network. There are 6 broadcast domains in this network. There are 12 conflict domains in this network.

The network administrator created VLAN 10 on the Layer 3 switch and configured an IP address under the virtual interface of the VLAN. When the command "display ip interface brief" is used to check the port status, it is found that the VLANIF 10 interface is in the down state. What should be done to restore the VLANIF 10 interface to normal?. Add an interface that must be Up and must be of type Trunk into VLAN 10. Assign any physical interface to VLAN 10. Assign a physical interface that must be Up to VLAN 10. Use the command "undo shutdown" under VLANIF 10 interface.

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? (Multiple Choice) [Router A]display Interface Eth-Trunk 1.100 Eth-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, AR Series, 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.Hardware address 1s 00e0-fc3b-2015 Current system time: 2019-03-04 10:24:29 -08:00 Last 300 seconds input rate 0 bits/sec, 0 packets/sec Last 300 seconds output rate 0 bits/sec, 0 packets/sec Realtime 0 seconds input rate 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 ————————————————————————————————. Two links exist on the aggregate port. The IP address of the sub-interface of the aggregate port is 10.0.12.2/24. The sub-interface number of the aggregate port is 100. The sub-interface of the aggregate port carries VLAN TAG 100 when forwarding data frames.

As shown in the figure below, suppose the MAC address table of SWA is as follows. Now host A sends a data frame with the destination MAC address MAC-B. Which of the following statements is correct?. Forward this data frame only from port G0/0/2. Forward this data frame only from port G0/0/3. STA discards the data frame. Flood this data frame.

Which of the following does not be included in AAA?. Authentication. Accounting. Authorization. Audit.

On Huawei ARG3 series routers, what authentication modes does AAA support? (Multiple Choice). 802.1x. Local. None. HWTACACS.

Which of the following protocols consist of the PPP protocol? (Multiple Choice). LCP. PPPoE. NCP. Authentication protocol.

Which of the following statements about Prefix Segment is wrong?. Prefix Segment spreads to other network elements through the IGP protocol, which is globally visible and effective. Prefix Segment needs to be configured manually. Prefix Segment is used to identify a destination address prefix in the network (Prefix). Prefix Segment can be automatically allocated by IGP.

The output information of a certain device is shown in the figure. Which of the following statements is correct? (Multiple Choice) <Huawe1>display interface G1gabitEthernet 0/0/0 G1gabi tEthernet0/0/0 current state : UP Line protocol current state : UP Route Port, The Maximum Transmit Unit is 1000 Internet Address is 10.0.12.2/24 IP Sending Frames' Format is PRTFMT ETENT_2.Hardware address is 00e0- fc22- 4fff Port Mode: FORCE COPPER Speed : 100.Loopback: NONE Duplex: FULL,Negotiation: DISABLE Md1 : AUTO Last 300 seconds input rate 24 bits/sec, 0 packets/sec Last 300 seconds output rate 24 bits/sec, 0 packets/sec. The IP address of the interface is 10.0.12.2/24. The MAC address of the interface is 00e0-fc22-4fff. The working rate of this interface is 1Gbps. The MTU value of this interface is 1000.

In the OSI reference model, what can complete end-to-end error detection and flow control?. Physical layer. Data link layer. Network layer. Transport layer.

In the network shown in the figure below, all routers run OSPF protocol. Above the link is the value of the Cost value, then the path for RTA to reach the network 10.0.0.0/8 is: A-B-D. RTA cannot reach 10.0.0.0/8. A-C-D. A-D.

Which of the following statement about static routing in Huawei equipment is wrong?. The cost value (Cost) of the static route cannot be modified. The default value of the static route priority is 60. The range of the static route priority value is 1-255. A-DWhen the priority of the static route is 0, the route will definitely be preferred.

Which of the following statements is correct?. The router works at the physical layer. The switch works at the physical layer. The switch works at the network layer. The router works at the network layer.

On interfaces that use PPP as the data link layer protocol, you can configure static routes by specifying the next hop address or outbound interface. True. False.

Which of the following description about the Layer 2 Ethernet switch is incorrect?. It is necessary to make certain modifications to the layer 3 header of the forwarded message, and then forward it. Able to learn MAC address. Forward according to the Layer 2 header information of the Ethernet frame. Layer 2 Ethernet switches work at the data link layer.

As shown in the information in the figure, when learning this switch needs to forward the frame with the destination MAC address of 5489-98ec-f011, which of the following description is correct?. The switch will flood the frame on all ports except the port that received the frame. The switch will send a message that the destination is unreachable to the source device. The switch does not find a matching entry in the MAC address table, so it will discard the frame. The switch needs to send a request to discover the device with the MAC address of 5489 98ec-f011.

What is the range of VLAN ID that users can use?. 1-4096. 1-4094. 0-4096. 0-4095.

By default, in the SNMP protocol, which port number does the agent process use to send alarm messages to NS?. 164. 163. 162. 161.