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Apply the ACL configured in the figure in Telnet. Only the device with the IP address of 172.16.105.2 is allowed to log in remotely: ()#acl number 2000 rule 5 permit source 172.16.105.20#
In the network shown in the figure below, the switch uses VLANIF interfaces to connect with the router sub-interfaces. Which of the following configurations can achieve this requirement? () (Single-choice question)
As shown in the figure, it can be judged that 00e0-fc99-9999 is the specific host and MAC address learned by the switch through ARP. And the host has changed its IP address three times? () (Single-choice question)
10.137.217.21000e0-fc01-0203E1/0/0
10.2.2.100e0-fc99-9999Eth-Trunk 1
192.168.20.100e0-fc99-9999vlan100
10.0.0.100e0-fc99-9999vlan200
As shown in the figure, a static NAT command is deployed on router R1. When the PC accesses the Internet, the destination address in the data packet will not change. ()(True or False)
Which of the following parameters cannot be used for advanced access control lists? ()
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? ()*
When AP and MC are in different Layer 3 networks, what method is recommended for AP to discover AC?
The output information of a router's routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)
After OSPF is configured on the two routers, the administrator configures commands on RTA. Which of the following descriptions is correct? ()
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)
A device has been configured to complete Telnet configuration. The device login address is 10.1.1.10. The Telnet user name is admin and the password is Huawei@123. The following is the correct way to use telnertlit to log in to this device? ()
As shown in the figure, host A and host B want to implement inter-VLAN communication through single-arm routing. What configuration should be done under the G0/0/1.1 interface of RTA?()(Single-choice question)
How many bits are there in the VLAN ID in the VLAN format defined by IEEE802.1Q? ()
Which of the following IEEE802.11 standards does not support the 5GHz frequency band for communication? ()
Which of the following 0SPF protocol packets can ensure the reliability of LSA update? ()
For switches running the SIP protocol, the port needs to wait for the forwarding delay in the Learning state before it can be converted to the Forwarding state. ()
The network management workstation manages network devices through the SNMP protocol. When an abnormality occurs in the managed device, what kind of SHMP message will the network management workstation receive? ()
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)
Which of the following IEEE 802.11 standards supports the 2.4 GHz frequency band only?
Refer to the display startup command output shown in the figure. Which of the following statements are true?
When a company's network management needs to plan the network, the data packets that allow PC1 to access PC2 go through the G0/0/0 port (G0/0/2 on the picture). The data packet that PC2 accesses to PC1 goes from port G0/0/4 (G0/0/0 in the picture). () (Single-choice question)
Which of the following statements about encapsulation and decapsulation are true?
Complete the ACL configuration shown in the figure on the router RTA. Which of the following descriptions is correct? () (Single-choice question)
(RTA) acl 2001
(RTA-acl-basic-2001) rule 20 permit source 20.1.1.0 0.0.0.255
［RTA-acl-basic-2001］rule 10 deny source 20.1.1.0 0.0.0.255
"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? ()
If AAA authentication is used on Huawei devices and the remote server does not respond, the authentication can be performed on network devices.
The output information of a certain router is shown in the figure. Which of the following statements are correct? () (Multiple Choice Questions)
The 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? ()
The transmission rate of the Eth-Truk port in manual link aggregation mode is related to ().*
The network is shown in the figure below. The router uses a sub-interface as the host gateway. The gateway IP address is 10.0.12.2. Which of the following commands can achieve this requirement? () (Multiple Choice Questions)
In the CAPWAP tunnel establishment phase, after AC. receives the Join Request message sent by the AP, AC. will check the validity of the AP. Which of the following is the authentication method supported by AC. ()*
The router ID of the OSPF-enabled router must be the same as the IP address of an interface on the router.
In the RSTP protocol, when the edge port receives the configuration BPDU message, it loses the edge port attribute. ()
In order for the STA to obtain the SSID related information on the AP, which of the following messages is used by the AP to proactively declare the wireless network SSID information? ()
What is RouterDeadInterval of the OSPF protocol on the broadcast network by default? ()
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
TION NO: 58
If the MAC address of an interface is 00E0-FCEF-0FEC, the corresponding EUI-64 address is ( ).
When two switches are connected through link aggregation, what are the requirements for the interfaces on the two switches?
For the Versatile Routing Platform (VRP), the login timeout period can be set only on a VTY interface.
Refer to the following commands run on GigabitEthernet0/0/1 and GigabitEthernet0/0/2. Which of the following statements are true?
Which of the following options describes the concept of NFV architecture correct?
Which of the following methods is not supported by the Versatile Routing Platform (VRP) to configure a router?
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.
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 operations are mandatory to restore the factory default settings of an AR2200 router?
As shown in the figure, if host A has the ARP cache of host B, host A can ping host B.
After a switch restarts, static MAC address entries saved on the switch remain in the MAC address table.
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?
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 information is displayed when an entered command is incomplete on the Versatile Routing Platform (VRP)?
Which of the following statements is true about the Forward Delay timer of STP?
Two switches use manual link aggregation at the same time. The following statement is wrong. () (Single-choice question)
Which of the following statements about IPv6 address configuration are correct? ()*
DHCP is called Dynamic Host Configuration Protocol. It mainly assigns IP addresses and DNS information to hosts automatically. The messages used are ()
On the command line interface of Huawei AR routers, the role of the Save command is to save the current system time.
As shown in the picture. About OSPF topology and configuration. Which of the following statements is correct? () (Single-choice question)
Which of the following statements about the S field in the MPLS packet header are correct? ()*
Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()*
On Huawei routers, which of the following is the default preference of static routing?
The two switches shown in the figure below have both enabled the STP protocol, which port will eventually be in the Blocking state? ()
What is the corresponding Solicited.-node multicast address for IPv6 iAilt2019::8:AB.? ()
In the network shown in the figure below, there are the following configurations in Router A. Which of the following statements is correct?
ip route-statiC.10.0.2.2255.255.255.25510.0.12.2iP
Route-statiC.10.0.2.2255.255.255.25510.0.21.2pre ference 70
The network shown in the figure. Which of the following configurations can realize that the host A can access the Internet, but the host B can not? (ABCD) (Multiple Choice Questions)
When two OSPF routers form a 2TAY neighbor relationship, LSDB. has been synchronized.
STA. The only way to discover the wireless network is the Beacom frame sent by the AP. ()
On VRP, the command lines are classified into four levels in increasing priority: Visit level, Monitoring level, Configuration level, and Management level. At which level, the operator is permitted to configure service but is not permitted to operate the file system?
The routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)
What is the protocol of the Router Advertisement (RA) packet, which is used in IPv6 stateless address auto-configuration?
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 statements about RA. and RS messages in IPv6 are correct? ()*
What kind of packets does the OSPF protocol use to request LSAs that are missing locally? ()
The configuration information of a certain port of the switch is shown in the figure. What is the PVID of this port? () (Single-choice question)
Which of the following protocols can be used to prevent Layer 2 loops on a campus network?
NAPT allows multiple private IP addresses to be mapped to the same public P address through different port numbers. The following description of the port number in NAPT is correct ().
By default, what is the period for sending 0SPF HELLO packets on the broadcast network? ()
Which of the following descriptions about Trunk port and Access port are correct ()
If the application layer protocol is Te1net, then the value of the Protoco1 field in the IPv4 header? ()
The administrator plans to implement route backup by configuring static floating routes. The correct way to achieve this is ()
A network engineer prompts the following message when entering the command line: Error: UnrecognizeD.commanD.founD.at '＾' position. Which of the prompt information is correct? ()
After the network administrator uses the Tracer tRoute 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 following description of the Forwarding status in the spanning tree protocol is wrong (). ()*
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? ()
To provide different network services for different users on the AP, which of the following can be configured?
NFV (Network Functional Virtualization), network function virtualization, realizes the deployment of network applications in a software-based way. ()
An ACL rule is as follows: Which of the following IP addresses can be matched by permit rules? () rule5per mit ip source10.0.2.00.0.254.255
When the host frequently moves the office, which VLAN division method is most suitable? ()
When learning this switch needs to forward the frame with the destination MAC. The address is 5489-98ec-f011, the following description is correct ()
If the broadcast address of a network is 172.16.1.255, which of the following addresses is the network address?
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)
If the administrator wants to completely delete the old device configuration file, the following command is correct ().
The DHCPv6 server supports the provision of other configuration information such as DNS server addresses for the host. ()
System-view (huawei) command-privilege level3 view user save is correct about the above configuration command ()
Which of the following information is not included in the MAC address table of the switch? ()
The Priority field in the VLAN tag can identify the priority of the data frame. What is the scope of this priority? ()
By default, what is the lease period for the DHCP server to assign an IP address? ()
On the VRP platform, the default protocol priority of routes in the direct route, static route, RIP.OSPF area, from high to low, is ()
The network administrator hopes that the data packets sent from host A. to host B. pass through the G0/0/3 interface between routers, and the data packets sent from host B. to host A. pass through G0/ between routers. 0/4 interface, which of the following commands can achieve this requirement? ()
Which of the following IP addresses can be used by another host to communicate with the host whose IP address is 200.200.200.201/30 without the need to forward traffic through a router?
There is a WeB server in the private network that needs to provide HITP services to public network users. Therefore, the network administrator needs to configure NAT on the gateway router RTA.
The router needs to modify the destination IP address in the data packet when forwarding the data packet. ()
Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()
The router enables the FTP service, the user name and password are both huawei, and the root directory of FTP is set to flash:/dhcp/. Which of the following commands must be configured?*
An authenticator router has been configured with two domains named "Area1" and "Area2", following which a user is created with the username "huawei" and the password "hello" for authentication. Which domain does this user belong to?
In order to realize the network layer function on the VLANIF interface, do you need to configure it on the VLANIF interface? ()
The router uses the sub-interface as the gateway of the host, and the P address of the gateway is 10.0.12.2. Which of the following commands can achieve this requirement? ()
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)
Which of the following commands can be used to query the configuration information of the device's 0SPF protocol? ()*
Which of the following IPv6 addresses can be abbreviated as 2FFF DAC:ABEF:CDAA:732? ()
There is no channel overlap in the 14 available frequency bands in the 2.4GHz frequency band. ()
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? ()*
Which of the following attributes cannot be used as a measure of CoThe parameter of st? ()*
VLAN 4095 is reserved for system use and VLAN 1 cannot be deleted on Huawei switches.
Which of the following IPv4 addresses can be used by a host to directly access the Internet? ()
In what state does the OSPF protocol determine the master-slave relationship of DD. packets? ()
There is no need to write a hop when writing static routes at both ends of the PPP link. The Ethernet link needs
Which of the following authentication methods does not require the user name and password? ()
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 ()
Which of the following statements is correct for the ACL configured in the Telnet application? ()
Which of the following packet types is used by RADIUS to indicate authentication rejection? ()
Which of the following is not the reason why RSTP can increase the speed of convergence? ()
Which of the following fields is not included in the HELL0 packet of the OSPF protocol? ().
The router needs to modify the destination IP address in the data packet when forwarding the data packet ()
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? ()
All four switches run STP, and various parameters adopt default values. If the G0/0/2 port of switch C is blocked and the configuration BPDU cannot be sent through this port, how long will the blocked port in the network enter the forwarding state ()
The last option field (option) of 1Pv4 is variable-length optional information. What is the maximum length of this field? ()
Telnet.read in TelnetliB._The role of all() is to read all data until EOF. If the echo does not return EOF, it will always block ()
DHCP is an application layer protocol. In order to make it more reliable when assigning P, its transport layer uses TCP protocol.
FTP transfer data at a time requires several TCP connections to be established
The CAPWAP protocol stipulates the communication standard between AC. and Ap. Which of the following statements about the CAPWAP protocol is correct? ()
After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()
On Huawei switches, you can use the vlan batch command to create multiple VLANs in batches, simplifying the configuration process. ()
The following statement about the TTL field in the IP packet header is correct. ()
When using the FTP protocol to upgrade the router software, the transmission mode should be selected ()
If the Length of an Ethernet data frame/Type = 0x8100, which of the following statements is correct? ()
The tracert diagnostic tool in Huawei routers is used to track the data forwarding path. ()
When the IPv4 protocol is used as the network layer protocol, which field is not included in the network layer header? ()
Which of the following information prompts is used by the VRP operating platform for incomplete input commands? ()
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 the edge port in the RSTP protocol is correct? ()
On the VRP operating platform, what command is used to display the current interface configuration in the interface view? ()
Among the following commands for configuring the default route, the correct one is ()
How many more bytes are the packets using MPLS label double-layer nesting technology than the original IP packets ()
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 ().
If the Proto of a certain route information in the routing table is OSPF, the priority of this route must be 10. ()
In the broadcast network, OSPF runs on four routers in the same area and on the same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve a better backup effect ()
When building a campus network, which of the following protocols can be used to avoid Layer 2 loops? ()
The following description about the specified port of the spanning tree is correct ()
The second layer switch belongs to the data link layer device, which can identify the MAC address information in the data frame, forward data according to the MAC address, and record these MAC addresses and corresponding port information in its own MAC address table. ()
UDP is connectionless and must rely on () to ensure the reliability of transmission.
What is the maximum negotiation rate supported by the IEEE802.11g standard? ()
Regarding the IPv6 address 2031:0000:720C:0000:0000:09E0:839A:130B, which of the following abbreviations are correct? ()
The network shown in the figure below. Two switches are connected by four links. COPPER refers to electrical interface and FIBER refers to optical interface. Then which two interfaces can realize link aggregation? () (Single-choice question)
The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)
In an IPv4 network, AP supports static and DHCP methods to obtain IP addresses. ()
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)
The network shown in the figure below. The network where host A is required to access the Internet through Easy IP, then which of the following ACLs should be used on the G0/0/3 interface of router A? () (Single-choice question)
The configuration information of a certain router is shown in the figure. Which of the following statements are correct? () (Single-choice question)
#
aaa
authentication-scheme default
authentication-scheme huawei
authentication-mode radius
authorization-scheme default
authorization-scheme huawei
accounting-scheme default
domain default
domain default admin
domain huawei
authentication-scheme huawei
authorization-scheme huawei
local-user huawei password cipher 123456
local-user huawei@huawei password cipher 654321
#
Which of the following IEEE802.11 standards does not support communication in the 5GHz frequency band? ()
Among the configuration BPDUs sent by the switch, which bridge D. is unlikely to appear? ()
The output information of the router is shown in the figure. Which of the following statements is wrong? () (Single-choice question)
The network is shown in the figure. Which router is the BDR in this network? () (Single-choice question)
Using the command mkdirtest in the VRP operating platform, the system will create a directory named test. ()
Which of the following IE802.11 standards only supports the 24GHz frequency band for communication? ()
Refer to the configuration of the single-arm routing in the figure below, you can judge that even if the ARP proxy is not enabled on the sub-interface of R1,The administrative department and the financial department can also visit each other. ()(True or False)
As shown in the figure. All four switches are running $TP. Various parameters are set to default values. If the GO/0/2 port of switch C is blocked and cannot send configuration BPDUs through this port, how long will it take for the blocked port in the network to enter the forwarding state? () (Single-choice question)
The administrator made the configuration on the router as shown in the figure. At the same time, the administrator wants to assign a shorter lease period to the DHCP address. Which of the following commands should be used? () (Single-choice question)
ip pool pooll
netyork10.10.10.0ask255.255.255.0
gateway-list 10.10.10.1
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? ()
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. ()
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 interfaceGigabitEthernetO/0/1 traffic-filteroutbounD.ac12000
The following two configuration commands can realize the master and backup backup of the router RIA to the same destination 10.1.1.0.
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)
As shown in the broadcast network. 0SPF runs on four routers. And in the same area. Same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve a better backup effect. ()(True or False)
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
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?
The mac address of the existing switch is shown in the figure. Which of the following statements is correct ()? (Multiple Choice Questions)
As shown in the figure below. Which port of the following switches will be blocked? () (Single-choice question)
Which of the following statements regarding static routing and dynamic routing is incorrect?
What is used as the data link-layer MAC address that identifies each VAP on an AP?
If a device running STP receives an RSTP configuration BPDU, it discards the BPDU.
As shown in the figure, which of the following ports will be in blocking state?
If the transport-layer protocol is UDP, the value of the "Protocol" field at the network layer is 6.
RSTP uses the proposal/agreement mechanism to shorten the time that an upstream port waits before transitioning to the Forwarding state, but no temporary loop occurs. Why?
After an Eth-Trunk in LACP mode is created, devices on both ends send LACPDUs to elect the Actor. Which of the following parameters in LACPDUs determine the Actor election?
Which of the following are true about the Ethernet data frame with the "Length/Type" field being 0x0806?
Refer to the following configuration of an interface on a switch. What is the PVID of the interface?
interface GigabitEthernet0/0/1
port hybrid tagged vlan 2 to 3 100
port hybrid untagged vlan 4 6
Assuming all STP enabled switches have the same bridge priority. The MAC address of switch A is 00-e0-fc-00-00-40, the MAC address of switch B is 00-e0-fc-00-00-10, the MAC address of switch C is 00-e0-fc-00-00-20, and the MAC address of switch D is 00-e0-fc-00-00-80. Which switch will be elected as the root switch?
Which of the following is correct regarding the configuration of the trunk port and access port on a switch?
What is the length range of an Ethernet_II frame that contains an Ethernet header?
Which of the following port states are included in Rapid Spanning Tree Protocol (RSTP)?
On the Huawei VRP, what is the default preference of different route types, in descending order?
The rules in an ACL may overlap. If packets match the rules with loose conditions, the later ACL rules are not processed. In this case, packets cannot match the rules with strict conditions. Therefore, the rules with strict conditions must be arranged in front lines and those with loose conditions must be arranged towards the end.
If Proto of a route displayed in the routing table is OSPF, the preference of the route must be 10.
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.
On an STP-enabled switch, a port in the Learning state can transition to the Forwarding state only after the Forward Delay timer expires.
The router that runs OSPF first enters the Full state and then synchronizes the LSDB.
In a broadcast address, all host bits are set to 1, and a broadcast address can be used as a host address.
The TCP protocol uses the three-way handshake mechanism to establish and disable connections. Therefore, TCP supports reliable data transmission.
The data link layer uses PPP encapsulation. The IP addresses of the two ends of the link can be in different network segments.
When a switch receives a unicast data frame, if the destination MAC address of the data frame can be found in the MAC address table of the switch, the data frame is definitely forwarded through the port corresponding to the MAC address.
Refer to the graphic, 00e0-fc99-9999 is a specific host MAC address learned by a switch through ARP, and the host changes the IP address three times.
Which of the following statements is true about link aggregation in manual load balancing mode?
If Spanning Tree Protocol (STP) is disabled on the network consisting of switches, a Layer 2 loop will definitely occur.
A Layer 2 switch works at the data link layer. As such, it can identify MAC addresses in data frames, forward data based on MAC addresses, and record mappings between MAC addresses and interface numbers in its MAC address table.
Which of the following packets are exchanged between STAs and an AP to obtain the AP's SSID before association with the AP?
By referring to the topology and the configurations of G0/0/1 interfaces on LSW1 and LSW2 shown in the figure, it can be determined that data frames tagged with VLAN 10 can be normally forwarded between LSW1 and LSW2.
TESTED 22 Dec 2024