All interfaces of routers running 0SPF protocol must belong to the same area. ()
The FIT AP can obtain the IP address of AC. through the DHCP Option to establish a CAPWAP tunnel. Which Option needs to be configured on the DHCP server for this? ()
If a device running STP receives an RSTP configuration BPDU, it discards the BPDU.
Which of the following methods is not supported by the Versatile Routing Platform (VRP) to configure a router?
The network administrator of a certain company wants to uniformly divide the users who often access the company network from different switches to VLAN 10 when they frequently change office locations. Which of the following methods should be used to divide VLANs? ()
If Spanning Tree Protocol (STP) is disabled on the network consisting of switches, a Layer 2 loop will definitely occur.
The tree topology is a hierarchical star topology, facilitating network expansion. A consequence of this topology is that faults on a node at a higher layer are more severe.
As shown in the figure, all switches run STP. Assume that the path cost of all ports is 200. What is the root path cost contained in the configuration BPDU received by G0/0/4 on SWD?
Network devices running SNMP can proactively report traps to help network administrators detect faults in a timely manner.
Which of the following statements regarding static routing and dynamic routing is incorrect?
Which statement is true regarding the following command?
ip route-static 10.0.12.0 255.255.255.0 192.168.1.1
Which of the following is the default value of the Router Dead Interval field in OSPF Hello packets on a broadcast network?
Which of the following states indicates that the OSPF neighbor relationship has been established?
For the Versatile Routing Platform (VRP), the login timeout period can be set only on a VTY interface.
The RSTP protocol uses the P/A mechanism to speed up the speed of the upstream port to the F orwarding state, but what is the reason for the no temporary loop? . Shorten the time of ForwarD.Del ay
The DHCPv6 server supports the provision of other configuration information such as DNS server addresses for the host. ()
The IPv6 address 2001: ABEF:224E:FFE2:BCC0:CD00:DDBE:8D58 cannot be abbreviated. ()
Which of the following descriptions about Trunk port and Access port are correct ()
In the network shown in the figure below, what commands can be entered on the router to make host A ping host B through? ()
As shown in the figure, RTA uses NAT and has an address pool configured to implement many-to-many non-NAPT address translation, so that hosts on the private network can access the public network. Assume that the address pool has only two public IP addresses, which are translated for Host A and Host B. If Host C wants to access the public network, which of the following statements is true?
On the Huawei VRP, what is the default preference of different route types, in descending order?
After the administrator performs the configuration shown in the figure on a router, which of the following commands can be used to specify a short lease for addresses assigned using DHCP?
Which of the following statements is true about link aggregation in manual load balancing mode?
If the transport-layer protocol is UDP, the value of the "Protocol" field at the network layer is 6.
What are the advantages of using dynamic host configuration protocol DHCP to assign IP addresses? ()*
The administrator plans to implement route backup by configuring static floating routes. The correct way to achieve this is ()
According to the one-armed routing configurations shown in the figure, even if ARP proxy is disabled on the sub-interface of R1, the Administration Dept and Finance Dept can still communicate with each other.
As shown in the figure, if host A has the ARP cache of host B, host A can ping host B.
What is used as the data link-layer MAC address that identifies each VAP on an AP?
OSPF protocol needs to elect DR and BDR in which of the following network types? ()*
Which of the following advantages is/are provided by inter-VLAN routing in one-arm routing mode?
The following figure shows the display interface Eth-Trunk 1 command output on a switch. Which of the following commands can be used to delete Eth-Trunk 1?
Which of the following statements about RA. and RS messages in IPv6 are correct? ()*
Refer to the display startup command output shown in the figure. Which of the following statements are true?
Which of the following IPv4 addresses can be directly used by a host to access the Internet?
The network as shown in the figure. Which of the following configurations can realize that Host A cannot access the HTTP service of Host B. Host B cannot access the FTP service of Host A? () (Multiple Choice Questions)
Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()*
A company applies for a class C IP address for subnetting. It has six branches and the largest branch should have 26 hosts. What would be an appropriate subnet mask for the largest branch?
You can run the user-interface maximum-vty command to configure the maximum number of users who can log in to the device through Telnet simultaneously.
The router ID of the OSPF process takes effect immediately after being changed.
Which of the following descriptions regarding the TTL field of the IP packet is correct?
As shown in the figure below, the network. All switches enable the STP protocol. Disable SWA's G0/0/2 port to configure the BPDU sending function. SWC's G0/0/1 reconverges to become the root port. Which of the following statements is correct about this process? () (Multiple Choice Questions)
In STP, which of the following items may affect the selection of the root switch?
As shown in the figure below. All switches enable the $P protocol and keep other configurations in their default state. When the network is stable, are the following statements correct? () (Multiple Choice Questions)
Network Address and Port Translation (NAPT) allows multiple private IP addresses to be mapped to the same public IP address through different port numbers. Which of the following statements about port numbers in NAPT is true?
When an AP and an AC are located on different Layer 3 networks, which of the following methods is recommended for the AP when discovering the AC?
In RSTP, an edge port becomes a common STP port after receiving a configuration BPDU.
Which of the following statements about IPv6 address configuration are correct? ()*
In the STP protocol, which of the following factors will affect the election of the root switch? ()*
When the host accesses the web service of the server, the value of the "Protocol" field at the network layer is 6.
When deploying ACL on Huawei equipment, which of the following descriptions is correct is ().*
As shown in the figure below, are the following statements correct? () (Multiple Choice Questions)
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*
In order to realize the network layer function on the VLANIIF interface, need to be configured on the VLANIF interface? ()*
On the network shown in the figure, router A adopts link aggregation in manual load balancing mode, and G0/0/1 and G0/0/2 are added to link aggregation group (LAG) 1. Which of the following statements is false about Eth-Trunk 1 on router A?
DHCP is called Dynamic Host Configuration Protocol. It mainly assigns IP addresses and DNS information to hosts automatically. The messages used are ()
An administrator wishes to configure a floating static route. In order to successfully achieve this, which operation should be performed?
The router ID of the OSPF-enabled router must be the same as the IP address of an interface on the router.
If the IP address of a host in the LAN is 192.168.1.1/30, which of the following IP addresses will be processed by the host as the destination address of the IP packet? ()*
The router running the OSPF protocol reaches the FULL state first, and then synchronizes the LSDB. ()
Which of the following OSCan PF protocol packets ensure the reliability of LSA update? ()
The switch is connected to the host. What is the common port link type of the switch? ()
The CAPWAP protocol stipulates the communication standard between AC. and Ap. Which of the following statements about the CAPWAP protocol is correct? ()
The last option field (option) of 1Pv4 is variable-length optional information. What is the maximum length of this field? ()
When the switch port receives a data frame that does not carry VLAN TAG, it must add PVID. ()
The following description about the specified port of the spanning tree is correct ()
For switches running the STP protocol, the port needs to wait for the forwarding delay in the Learning state to transform into the Forwarding state. ()
By default, the port cost calculated by STP has a certain relationship with the port bandwidth, that is, the larger the bandwidth, the higher the cost ()
On Huawei ARG3 routers, the -i parameter of the Ping command in VRP is used to set ().
The following description about the specified port of the spanning tree is correct ()·
After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()
In the RSTP standard, in order to improve the convergence speed, the port that the switch is directly connected to the terminal can be defined as ()
Which of the following protocols does the RA. message used by IPv6 stateless autoconfiguration belong to? ()
On the broadcast network, both DR and BDR use the multicast address 224.0.0.6 to receive link state update messages ()
In which working state of the port in the STP protocol can it be changed to the Forwarding state without going through other states? ()
UDP cannot guarantee the reliability of data transmission, and does not provide functions such as message sequencing and flow control. It is suitable for flows that do not require high transmission reliability, but require high transmission speed and delay ().
NAPT distinguishes the IP addresses of different users through the protocol numbers in TCP, UDP, or IP packets ()
The router needs to modify the destination IP address in the data packet when forwarding the data packet ()
With SNMP, an NMS can only display the device running status but cannot deliver configurations.
In the following figure, all links are Ethernet links, and all interfaces on the routers are running OSPF. Given this, how many DRs will be elected on this network?
Which of the following statements about the network shown in the figure is true?
Which SNMP version focuses on two main aspects, namely security and administration. The security aspect is addressed by offering both strong authentication and data encryption for privacy. The administration aspect is focused on two parts, namely notification originators and proxy forwarders.
Which of the following statements about the routing table shown in the figure are true?
Which of the following IEEE 802.11 standards supports a theoretical negotiated rate of 5 Gbit/s or higher?
Refer to the following configuration of a switch interface. Which of the following statements is false?
interface GigabitEthernet0/0/1
port link-type trunk
port trunk pvid vlan 200
port trunk allow-pass vlan 100
UDP does not guarantee data transmission reliability and does not provide packet sorting and traffic control functions. It is suitable for the traffic that has low requirements for data transmission reliability, but high requirements for the transmission speed and delay.
TION NO: 29
For an Eth-Trunk in LACP mode, what is the default LACP system priority of a Huawei switch?
Which of the following is correct regarding the configuration of the trunk port and access port on a switch?
The data link layer uses PPP encapsulation. The IP addresses of the two ends of the link can be in different network segments.
Assuming that OSPF has been enabled on all routers in the following figure, which router is the BDR on this network?
The network is shown in the figure. Which router is the BDR in this network? () (Single-choice question)
Which of the following IEEE802.11 standards only supports the 2.4GHz frequency band for communication? ()
In a broad sense, the transmission medium that constitutes the wireless local area network wlan does not include? ()
Regarding the corresponding relationship between the access control list number and type, the following description is correct ()
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
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)
If the broadcast address of a network is 172.16.1.255, what might its network address be? ()
What is wrong about the description of the information as shown in the figure? () (Single-choice question)
(RI) display interface g0/0/0
GlgabltEtherneto/0/0 current state :Adainistratively DOWN Line protocol current state :DOWN
As shown in the figure. If host A has the ARp cache table of host B, then host A can ping host B. ()(True or False)
If the configured ACL rules have an inclusive relationship, it should be noted that the rule numbers of strict conditions need to be sorted first, and the rule numbers of loose conditions need to be sorted later to prevent packets from hitting the rules of loose conditions and stop being pushed down to continue matching. Cannot hit the strict conditions of the rules. ()
If a windows host is started for the first time, if it uses DHCP to obtain an IP address, what is the source IP address of the first packet sent by this host? ()
The network shown in the figure below. Which router is the BDR in this network? () (Single-choice question)
What kind of message does the 0SPF protocol use to request the locally missing LSA? ()
Which of the following 0SPF protocol packets can ensure the reliability of LSA update? ()
The number of VLANs that can be created using the commands "vlan batch1020 and "vlan batch10to20" respectively is ()
What is the corresponding Solicited.-node multicast address for IPv6 iAilt2019::8:AB.? ()
In the history of WLAN development, which of the following is not included in the main wireless protocol standards in the primary mobile office era? ()
To ensure that the same data flow is forwarded on the same physical link, which load sharing method does the Eth-Trunk adopt? ()
ifoneLength/Type = 0X8100 taught by the Ethernet data, which of the following is correct? ()
UDP cannot guarantee the reliability of data transmission, and does not provide the functions of message sequencing and flow control. It is suitable for flows with low transmission reliability requirements but high transmission speed and delay requirements. ()
The network structure and OSPF partition are shown in the figure. Except for RTA in the figure, the routers RTB, RTC and RTD are all ABR routers. ()(True or False)
If the MAC address of an interface is 0OEO-FCEF-OFEC, what is its corresponding EUI-64 address? ()
Which stage in the life cycle of campus network construction is the beginning of a project? ()
In the figure below, all switches have enabled the STP protocol, assuming that the path cost value of all ports is 200. What is the root path cost value contained in the configuration BPDU message received by the G0/0/4 port of $WD? () (Single-choice question)
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 following rules exist in an ACL of a router. Rule deny top source192.168, 1.00.0.0.255 destination 172.16.10.1 0.0.0.0 destination-port eq 21 is the correct statement? ()
Which of the following IEEE802.11 standards does not support the 5GHz frequency band for communication? ()
As shown in the following figure, in the switching network, all switches are running the stp protocol. When the topology is stable, which of the following switches can be used to modify the BPDU sending cycle. Can it affect the SWD configuration BPDU sending cycle? () (Single-choice question)
In the OSPF protocol, which of the following descriptions of DR is correct? ()
Two authentication domains "Area1" are configured on a router acting as an authentication server And "AreA.2", If the user uses the correct username'huawei' and password"hello" for authentication. Then which authentication domain will this user be assigned to? ()
On Huawei devices, if you use aaA authentication to authorize. When the remote server does not respond, you can authorize from the network device side ()
The router needs to modify the destination IP address in the data packet when forwarding the data packet. ()
The output information of the router is shown in the figure. Which of the following statements is wrong? () (Single-choice question)
The origin of SDN is the separation of transfer and control. The separation of transfer and control is a way to realize SDN, not the essence. ()
The MAC address table of a certain switch is shown in the figure. If the switch receives a data frame with a destination MAC of 5489-9811-0b49 from port Eth0/0/2, which of the following statements is correct? ()
The vty distribution responsibility is shown in the figure, and the user authority level is set to level 3. ()
［Huavei］user-interface vty o 14 Huavei-ul-vtyo-14acl 200o inbound Huavei-ui-vtyo-14Juser privilegelevel 3 ［Huavei-ui-vtyo-14］authentication-node passworD.Please Configure the login passvord (maxiu length 16): huavei
If the network address of a network is 10.1.1.0/30, what is its broadcast address? ()
As shown in the figure below. Host A and Host B cannot communicate. ()(True or False)
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)
Use the ACL shown in the figure on the router RTA to match routing entries. Then which of the following entries will be matched?
(RTA) acl 2002
(RTA-acl-basic-2002) rule deny source 172.16.1.1 0.0.0.0
(RTA-acl-basic-2002) rule deny source 172.16.0.0 0.255.0.0
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? ()
The router running the 0SPF protocol can reach the FULL state after completing the LSDB. synchronization. ()
The Layer 2 Ethernet switch generates entries in the MAC address table according to the () of the Ethernet frame received by the port. ()
As shown in the figure, is the description of this network topology correct? () (Single-choice question)
Which of the following packets are exchanged between STAs and an AP to obtain the AP's SSID before association with the AP?
Telnetlib is a module that implements the Telnet protocol that comes with Python ()
Which of the following fields is not included in the HELL0 packet of the OSPF protocol? ()
As shown in the figure below. All hosts can communicate normally. Is the corresponding relationship between SWA MAC address and port correct? () (Single-choice question)
The ACL on the ARG3 series routers supports two matching sequences, configuration sequence and automatic sorting. ()
By default, the root path cost of the root bridge in the STP protocol must be 0 ()
Which of the following does not include the advantages of Wi-Fi6 compared to Wi-Fi5? ()
The configuration information of a certain interface of the router is shown in the figure. Which VILAN data packet can this port receive? ()
interface Gigabit Ethernet 0/0/2.30 dotlq terainatlon viD.100 ip address 10.0.21.1 255.255.255.0 arp broadcast enable
IP route--statiC.10.0.12.0255.255.255.0192.168.1.1 About this command description is correct ()
A company has 50 private P addresses, and the administrator uses NAT technology to connect the company's network to the public network, but the company has only one public network address and is not fixed. Which of the following NAT conversion methods meets the requirements? ()
A company applies for a C. address segment, which needs to be evenly distributed to 8 subsidiaries. The largest subsidiary has 14 computers. Different subsidiaries must be in different network segments. The subnet mask should be designed as ( )
The output information of a router's routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)
UDP is oriented to connectionless and must rely on () to ensure the reliability of transmission. ()
When learning this switch needs to forward the frame with the destination MAC. The address is 5489-98ec-f011, the following description is correct ()
On Huawei equipment, if AAA authentication is used for authorization, when the remote server does not respond, authorization can be performed from the network equipment side ()
When AP and MC are in different Layer 3 networks, what method is recommended for AP to discover AC?
Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()
Which of the following messages does the AP use to request the software version from AC.? ()
In order to realize the launch of FIT AP, FIT AP first needs to obtain the IP address of AC. Which of the following is not included in the way FITAP obtains the IP address of AC.? ()
Which of the following commands can be used to check the session status of the PPPoE client? ()
If the Length/Type of an Ethernet data frame is 0x8100. Which of the following statements is correct?
When the host frequently moves the office, which VLAN division method is most suitable? ()
To provide different network services for different users on the AP, which of the following can be configured?
The DHCPv6 server supports the provision of other configuration information such as DNS server addresses for the host.
When a switch receives a unicast data frame with a VLAN tag, but finds that the destination MAC address of the data frame cannot be queried in its MAC address table, the switch's processing behavior for the data frame is ().
The administrator wants to configure the P address on the G0/0/0 interface of the router. Which of the following addresses is correct?
Which of the following IPv6 addresses can be abbreviated as 2FFF DAC:ABEF:CDAA:732? ()
The administrator configures R1 as shown in the figure. But R1 cannot learn the routes of other routers, so it may be.
The reason is? () (Multiple Choice Questions)
On an interface that uses PPP as the data link layer protocol, you can configure a static route by specifying the next hop address or outgoing interface. ()
When two OSPF routers form a 2-WAY neighbor relationship, LSDB. has been synchronized. ()
On Huawei routers, what is the default value of the OSPF protocol internal routing priority? ()
The Priority field in the VLAN tag can identify the priority of the data frame. What is the scope of this priority? ()
NFV (Network Functional Virtualization), network function virtualization, realizes the deployment of network applications in a software-based way. ()
When adopting LACP mode for link aggregation, what is the default system interference level of Huawei switches? ()
In a Layer 2 network with redundant links, which of the following protocols can be used to avoid loops?
The IPv4 address assigned by the network administrator to a host in the network is 192.168.128, how many more hosts can be added to the network where this host is located? ()
If the application layer protocol is Te1net, then the value of the Protoco1 field in the IPv4 header? ()
Which of the following is not the reason why RSTP can increase the speed of convergence? ()
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? ()
An AR2200 router needs to restore the initial configuration, which of the following operations are necessary? ()*
On the network shown in the figure, Host A and Host B cannot communicate with each other.
If AAA authentication is used on Huawei devices and the remote server does not respond, the authentication can be performed on network devices.
The transmission rate of the Eth-Truk port in manual link aggregation mode is related to ().*
Which of the following IEEE 802.11 standards supports the 2.4 GHz frequency band only?
From a security perspective, router A refuses to receive OSPF packets. ICMP packets received from the cO/0/1 interface. Which of the following commands can achieve this requirement? ()
In the case of Huawei routers, what is the "-i" parameter in a Ping command issued on a VRP operating system used to set?
The output information of a router is shown in the figure. Which of the following statements are correct? ()
The administrator has configured the AR2200. Which of the following descriptions about the configuration information is correct ()
The following statement about the TTL field in the IP packet header is correct. ()
STA. Before associating to AP, it needs to obtain SSID through some message exchange. What are these messages? ()
When planning a campus network, which of the following mask lengths is recommended for device interconnection IP addresses? ()
Which of the following fields is not included in the HELL0 packet of the OSPF protocol? ().
If the broadcast address of a network is 172.16.1.255, then its network address may be ().
Which information of the data frame is used by the VLANIF interface to determine whether to perform Layer 2 or Layer 3 forwarding? ()
Layer 2 ACL can match source MAC, destination MAC, source IP, destination IP and other information. ()
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. ()
VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and management level. Which level can run various business configurations and set commands but cannot operate the file system?
Neither the A1 ternate interface nor the Backup port in RSTP can forward user traffic, nor can they receive, process, and forward BPDUs ()
When using FTP for file transfer, how many TCP connections will be established? ()
Which of the following advantages does the single-arm routing method achieve routing intercommunication between Vlan? ()
The Management Information Base (MIB) (Management Information Base) is a virtual database that only exists on the NMS. ()
When the lease period reaches what percentage does the DHCP client send the lease renewal message for the first time? ()
Which of the following statements is correct for the ACL configured in the Telnet application? ()
On the VRP platform, which of the following parameters can be used together with the "ping" command to specify the source address of an echo request message?
A Layer 2 ACL can match information such as the source MAC address, destination MAC address, source IP address, and destination IP address.
Which of the following commands is used to configure the country code on an AC?
If the IPv4 address of a host on a LAN is 192.168.1.1/30, the host will process IP packets with specific destination IP addresses. Which of the following IP addresses may be the destination IP addresses?
To provide the information about the IP addresses that a user packet traverses along the path to the destination, which of the following does Tracert record in each expired ICMP TTL packet?
It is advised to assign static IP addresses to servers during campus network planning.
Which of the following statements is true about the Forward Delay timer of STP?
Which of the following WLAN security policies support open link authentication?
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TESTED 24 Nov 2024
