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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)
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? ()
Two switches use manual link aggregation at the same time. The following statement is wrong. () (Single-choice question)
When the Access type port sends a message, it will ().
All the devices in the picture can communicate normally. Is the corresponding relationship between the MAC address table of $WA and the port correct? () (Single-choice question)
Which of the following commands can change the device name to huawei? ()
The router running the 0SPF protocol can reach the FULL state after completing the LSDB. synchronization. ()
When the switch port sends a data frame that carries the same VLANTAG and PVID., it must be stripped of VLANTAG and forwarded. ()
In the network shown in the figure below, the host has an ARP cache, and host A sends a packet to host B. What are the destination MAC and destination IP of this packet? () (Single-choice question)
If the network address of a network is 10.1.1.0/30, what is its broadcast address? ()
Which of the following types of addresses are not included in IPv6 addresses? ()
Which of the following 0SPF protocol packets can ensure the reliability of LSA update? ()
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 MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)
When the router forwards a data packet, if it does not match the corresponding detailed route and there is no default route, it will directly discard the data packet ()
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? ()
Which of the following IEEE802.11 standards only supports the 2.4GHz frequency band for communication? ()
As shown in the figure below. Which port of the following switches will be blocked? () (Single-choice question)
Which of the following statements about the usage scenarios of the DHCP protocol is correct? ()
As shown in the figure below. Host A and Host B cannot communicate. ()(True or False)
Which of the following are related to the purpose of encapsulation and decapsulation? ()
The two switches shown in the figure below have both enabled the STP protocol, which port will eventually be in the Blocking state? ()
Which of the following parameters cannot be used for advanced access control lists? ()
Which field of the Pv6 packet header can be used for Q0s? ()
On an interface that uses PPP as the data link layer protocol, can you configure a static route by specifying the next hop address or outbound interface? ()
Which of the following IEEE802.11 standards does not support the 5GHz 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)
Which category does the IPv6 address FE80:2E0:FCFF:FE6F:4F36 belong to? ()
If the MAC address of an interface is 0OEO-FCEF-OFEC, what is its corresponding EUI-64 address? ()
Which packet type is used by network devices running the SNMPv1 protocol to actively send alarm information? ()
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? () (Single-choice question)
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 statement about the 0SPF protocol DR is correct? ()
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)
A DHCP server is deployed on the network, but the administrator finds that some hosts have not correctly obtained the addresses specified by the DHCP server. What are the possible reasons? (Multiple Choice Questions)
The router needs to modify the destination IP address in the data packet when forwarding the data packet. ()
The network shown in the figure below assumes that all routers can enable OSPF at the same time. Which router is the DR in this network? () (Single-choice question)
When the router is powered on, it will read the configuration file from the default storage path to initialize the router. If there is no configuration file in the default storage path, what will the router use for initialization? ()
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)
When the IPv4 protocol is used as the network layer protocol, which field is not included in the network layer header? ()
As shown in the figure, the G0/0/0 and G0/0/1 interfaces of RTA are connected to two different network segments. RTA is the gateway of these two networks. Before host A sends data to host C, will it send an ARP Request to obtain O's MAC address? () (Single-choice question)
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)
What is the destination IP address of the DHCP DISCOER message? ()
The following two configuration commands can realize the master and backup backup of the router RIA to the same destination 10.1.1.0.
By default, the bridge priority of Huawei switches is 32768 ()
In the VRP interface, use the command startup saved-confi guration backup.cfg. Configure the backup.cfg file to be used at the next startup. ()
The Layer 2 Ethernet switch generates entries in the MAC address table according to the () of the Ethernet frame received by the port. ()
What is the number range of the Layer 2 ACL? ()
The network shown in the figure below. Which router is the BDR in this network? () (Single-choice question)
The network is shown in the figure. Which router is the BDR in this network? () (Single-choice question)
"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? ()
Which of the following attributes cannot be used as a parameter to measure C0st? ()
What kind of packets does the OSPF protocol use to send LSAs to neighbors? ()
Which information of the data frame is used by the interface to determine whether to forward Layer 2 or Layer 3 forwarding? ()
Which of the following commands configures the authentication mode as HWTACACS authentication? ()
AAA. Which of the following is not included? ()
What identifies the coverage area of an AP in a WLAN? ()
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)
Which of the following parameters is used to elect the root bridge in STP?
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?
What is the role of link aggregation? ()*
The router ID of the OSPF process takes effect immediately after being changed.
Network administrators use Ping to test the connectivity of the network. Which of the following protocols may be used in this process? ()
In order to realize the network layer function on the VLANIIF interface, need to be configured on the VLANIF interface? ()*
The network is shown in the figure below. The following statementcorrectIs there? () (Multiple Choice Questions)
What command line views exist on the VRP operating platform? ()*
The users who log on the router through Telnet are not permitted to configure an IP address. What is the possible reason?
SDN requires the control and forwarding planes to be separated.
Which of the following is not a type of OSPF LSA?
Which of the following methods is not used for logging in to the VRP system?
Assume that an OSPF-enabled router has no loopback interface configured. What would be used as the router ID?
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.
As specified by the RSTP protocol, when a root port fails, which type of port will function as a new root port and enter the forwarding state without any delay?
Which of the following packets is used by OSPF to describe its link state database (LSDB)?
How to enter in the vP operating system OView of SPF area 0? ()*
O: 72
What is the protocol number of OSPF at the network layer?
Which of the following functions does the LCP protocol in the PPP protocol support? ()*
Through sR (Segment Routing), an explicit path can be easily defined. The nodes in the network only need to maintain the SegmentRouting information to cope with the real-time and rapid development of the business. What are the following characteristics of Segment Routing?
VLANs can be assigned based on service types during campus network planning.
Which of the following is not included in the routing table?
In the STP protocol, which of the following factors will affect the election of the root switch? ()*
Which of the following working modes are supported by Huawei enterprise APs? ()*
Virtualization is the basis for implementing NEV. Which of the following statements about the characteristics of virtualization is correct? ()*
Which of the following descriptions about OSPF's DD. packets and LSA. is correct ()*
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?
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)
Which of the following fields does the ARP packet format contain? ()*
VLAN 4095 is reserved for system use and VLAN 1 cannot be deleted on Huawei switches.
Which of the following statements are true about the dynamic MAC address table?
In STP, which of the following items may affect the selection of the root switch?
When both ends running PPP protocol detect that the physical link is active, the link state will transit from dead to establish. Which of the following protocols is used to negotiate the link parameters during this phase?
Which of the following statements about IPv6 address configuration are correct? ()*
Which of the following statements about encapsulation and decapsulation are true?
Which of the following network parameters can be assigned by Dynamic Host Configuration Protocol DHCP? ()*
A network administrator wishes to assign an IP address to a router interface G0/0/0. Which of the following IP addresses can be assigned?
When an Ethernet frame is received by an interface on a Layer 2 Ethernet switch, which field is used to generate an entry in the MAC address table?
When the LCP phase of PPP is negotiated, the content of the negotiation includes ()*
Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()*
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?
If the network administrator assigns the IPv4 address 192.168.1.1/28 to a host on the network, how many hosts can be added to the network where the host resides?
Which NAT can convert multiple private network addresses into one public network address to access the public network at the same time
What packet types are included in DHCP?
How to add AP on AC.? ()*
Refer to the following configuration of an interface on a switch. For which VLAN does the interface transmit tagged data frames?
interface GigabitEthernet0/0/1
port hybrid tagged vlan 2 to 3 100
port hybrid untagged vlan 4 6
telnetlib is a module provided by Python to implement the Telnet protocol.
Compared with STP, which of the following port roles are newly defined in RSTP? ()*
ForwardD.Delay exists when an STP port transitions between which of the following states?
In an OSPF broadcast network, with which routers does a Dothter router exchange link state information? ( )
Which fields in the IPv4 header are related to fragmentation? ()*
What are the network types supported by the OSPF protocol? ()*
The routing table is generated by*
Which of the following options describes the concept of NFV architecture correct?
Which of the following fields are present in both IPv6 and IPv4 packet headers? ()*
Which of the following attributes cannot be used as a measure of CoThe parameter of st? ()*
Refer to the graphic, which of the following statements is true about OSPF topology and configuration?
Which of the following statements about the default route are correct?
Which statement about OSPF area division is wrong? ( )
To provide different network services for different users on the AP, which of the following can be configured?
When two OSPF routers form a 2TAY neighbor relationship, LSDB. has been synchronized.
When the device running STP receives the RSTP configuration BPDU, it will discard it. ()
What is the main function of the DHCP DISCOVER message? ()
Which of the following messages does the AP use to request the software version from AC.? ()
By default, what is the RouterDeadInterval of the ospf protocol on the broadcast network? ()
When adopting LACP mode for link aggregation, what is the default system interference level of Huawei switches? ()
UDP is oriented to connectionless and must rely on () to ensure the reliability of transmission. ()
Which of the following descriptions about firewalls is wrong? ()
Which of the following is not the reason why RSTP can increase the speed of convergence? ()
The load sharing mode at both ends of the Eth-Trunk can be inconsistent ()
What is the value of the Type field in the RStp configuration BPDU message? ()
Broadcast network. OSPF runs on four routers in the same area. Same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve better backup results
The configuration information of a certain port of the switch is shown in the figure. Then, when the data frame of which VLAN is sent by this port, it carries the VLAN TAG? ()interface GigabitEtherneto/0/1 port hybriD.taggeD.vlan 2 to 3 100 port hybriD. untaggeD. vlan 4 6#
The basic header length of IPv6 packets is a fixed value ()
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 ().
If the application layer protocol is Te1net, then the value of the Protoco1 field in the IPv4 header? ()
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? ()
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 ().
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 ()
Management Information Base (MIB) Information Base) is a virtual database, which only exists on the NMS. ()
Which of the following information is not included in the MAC address table of the switch? ()
SNMP messages are carried over UDP.
What is the range of VLAN ID that users can use? ()
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? ()
What is the length of the Ethernet II frame containing the Ethernet header?
The output information of a router's routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)
The link aggregation interface can only be used as a Layer 2 interface (C)
After link authentication is completed, STA. will continue to initiate link service negotiation. Which of the following messages will be used to achieve the specific negotiation? ()
The administrator plans to implement route backup by configuring static floating routes, the correct way to achieve this is ().
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
Which of the following statements about Adjacency Segment is wrong? ()
Now you need to implement a Python automation script Telnet to the device to view the running configuration of the device. What is wrong with the following statement? ()
The display startup information of the AR2200 router. Regarding these information, the statement is wrong ()
In the campus network, the reliability of the network can be improved by using link aggregation and stacking technology. ()
Which of the following interfaces are not open to Huawei controllers?
In the network shown in the figure, which of the following descriptions is correct? () (Multiple Choice Questions)
Does the WEP security policy support the use of TKIP for data encryption?
Which of the following statements about direct routing is correct? ()
The following statement about static routing in Huawei equipment is wrong ().
The mask length is 12 bits can be expressed as?
The following figure shows the routing table of a router. When the router receives a data packet with a destination IP address of 9.LL, the router will forward it according to the route of 91.0.016 because the mask length of this route is longer. ()
Which bridge is in the configuration BPDU sent by the switchID. Impossible to appear?
When two OSPF routers form a 2-WAY neighbor relationship, LSDB. has been synchronized. ()
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? ()
Which of the following address types does IPV6 have?
Which of the following IPv6 addresses is a multicast address? ()
What kind of network equipment can host A and host B use to achieve communication?
By default, in the SNMP protocol, which port number does the agent process use to send alarm messages to N? ()
All interfaces of routers running 0SPF protocol must belong to the same area. ()
If the Length/Type of an Ethernet data frame is 0x8100. Which of the following statements is correct?
NFV (Network Functional Virtualization), network function virtualization, realizes the deployment of network applications in a software-based way. ()
RTA. Uses NAT technology and realizes many-to-many NAPT address translation by defining an address pool, so that hosts in the private network can access the public network. Assuming that there are only two public network P addresses in the address pool, and they have been assigned to hosts A and B for address conversion, and at this time, if the host also wants to access the public network, the following description is correct ().
What kind of packets does the OSPF protocol use to request LSAs that are missing locally? ()
Which parameter is used in the spanning tree protocol for root bridge election? ()
The following description of the Layer 2 Ethernet switch is incorrect ().
Which of the following descriptions about Trunk port and Access port are correct ()
Which of the following descriptions regarding the TTL field of the IP packet is correct?
Which of the following sources of routes can be obtained by a router?
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.
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
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.
Which of the following states indicates that the OSPF neighbor relationship has been established?
Which of the following commands is used to configure the country code on an AC?
In a broadcast address, all host bits are set to 1, and a broadcast address can be used as a host address.
Which of the following packets are exchanged between STAs and an AP to obtain the AP's SSID before association with the AP?
Which of the following port states are included in Rapid Spanning Tree Protocol (RSTP)?
An ACL is essentially a packet filter. An ACL takes effect only after it is applied to a service module.
Which of the following are features of the OSPF protocol?
When a host uses the stateless address autoconfiguration solution to obtain an IPv6 address, the host cannot obtain the DNS server address.
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?
On an STP-enabled switch, a port in the Learning state can transition to the Forwarding state only after the Forward Delay timer expires.
Which of the following IEEE 802.11 standards supports a theoretical negotiated rate of 5 Gbit/s or higher?
Which of the following packets are OSPF packets?
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?
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?
Which of the following is the default port number of the Telnet server?
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 statements is true about link aggregation in manual load balancing mode?
Network devices running SNMP can proactively report traps to help network administrators detect faults in a timely manner.
On the Huawei VRP, what is the default preference of different route types, in descending order?
What is used as the data link-layer MAC address that identifies each VAP on an AP?
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 network shown in the figure is true?
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?
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 are true about the Ethernet data frame with the "Length/Type" field being 0x0806?
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?
Which of the following WLAN security policies support open link authentication?
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
Only one SSID can be bound to each radio of an AP.
Which of the following fields are included in an MPLS header?
What is the number range of an advanced ACL?
telnetlib is a module provided by Python to implement the Telnet protocol.
The network administrator performs the configuration shown in the following figure on RTA. If a user needs to be authenticated in the authentication domain named huawei, which of the following statements is true?
The router that runs OSPF first enters the Full state and then synchronizes the LSDB.
Which of the following statements is true about root bridge election in STP?
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.
For the Versatile Routing Platform (VRP), the login timeout period can be set only on a VTY interface.
With SNMP, an NMS can only display the device running status but cannot deliver configurations.
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?
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?
What is the main function of the DNS protocol?
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.
What is the length range of an Ethernet_II frame that contains an Ethernet header?
If Spanning Tree Protocol (STP) is disabled on the network consisting of switches, a Layer 2 loop will definitely occur.
If the transport-layer protocol is UDP, the value of the "Protocol" field at the network layer is 6.
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?
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 is the default value of the Router Dead Interval field in OSPF Hello packets on a broadcast network?
What function does Ctrl+Z have in the VRP system?
Which of the following advantages is/are provided by inter-VLAN routing in one-arm routing mode?
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 network parameters can be allocated using DHCP?
Which of the following commands to configure the default route is correct? ()
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 ()
FIT AP can work independently without relying on AC. ()
Which of the following statements about MPLS Labe1 labels is wrong? ()
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? ()
The network management system can only view the operating status of the device through the SNMP protocol, but cannot issue configurations. ()
Network devices running the SNMP protocol run an agent process locally. ()
In VRPOn the platform, the command"interfacevlanit＜vlan-id＞"The role is (). ()
How many types of data flows with different service levels can be marked based on MPLS labels? ()
The correct setting of the terminal emulation program when configuring the router through the Console ()
In which working state of the port in the STP protocol can it be changed to the Forwarding state without going through other states? ()
The WPLS tag header is encapsulated between the data link layer header and the network layer header of the message.
Which of the following fields is not included in the He1lo packet of the OSPF protocol? ()
Which of the following statements is correct for the ACL configured in the Telnet application? ()
When the lease period reaches what percentage does the DHCP client send the lease renewal message for the first time? ()
In the WLAN network architecture, terminal devices that support the 802.11 standard are called? ()
The administrator hopes that RTA. uses static routing and preferentially sends data packets to RTB's Loopback0 interface through G0/0/1 port, while G0/0/2 is used as a backup. How to configure on RTA to achieve this requirement ()
The following statement about the TTL field in the IP packet header is correct. ()
Which of the following statements about the edge port in the RSTP protocol is correct? ()
IPCP dynamic address negotiation can automatically obtain the address()
When planning a campus network, which of the following methods can be used to divide service VLANs? ()
About the above configuration command is correct ()
Basic ACL number value range ().
On the VRP platform, which of the following methods can be used to access previous historical commands? ()
Which of the following fields is not included in the HELL0 packet of the OSPF protocol? ().
By default, what is the ForwarD.Delay time of the STP protocol in seconds? ()
Since the TCP protocol uses a three-way handshake mechanism when establishing a connection and closing a connection, TCP supports reliable transmission.
PAP authentication is more secure than CHAP authentication because it does not carry passwords in clear text
Which of the following packet types is used by RADIUS to indicate authentication rejection? ()
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? ()
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? ()
On the VRP operating platform, what command is used to display the current interface configuration in the interface view? ()
Which of the following port states is not included in the RSTP protocol? ()
Which of the following descriptions of wireless devices is correct? ()
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 ().
What kind of packets does the OSPF protocol use to discover and maintain neighbor relationships? ()
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 router needs to modify the destination IP address in the data packet when forwarding the data packet ()
Layer 3 devices like routers receive data frames based on () Forwarding data frames.
After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()
VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and management level. Which level can run various business configuration commands but cannot operate the file system? ()
When the Access type port sends a message, it will ().
On the broadcast network, both DR and BDR use the multicast address 224.0.0.6 to receive link state update messages ()
How many more bytes are the packets using MPLS label double-layer nesting technology than the original IP packets ()
The VlanIF IP addresses of the same switch cannot be the same. ()
The following is the statement about the election of active ports in link aggregation LACP mode. the correct one is? ()
Which of the following parameters is not included in the configuration BPDU of the STP protocol? ()
In what state does the OSPF protocol determine the master-slave relationship of DD. packets? ()
OSThe I reference model from high-level to bottom-level is ()
The role of the OSPF protocol is
Use the command kdir test in the VRP operating platform. The system will create a directory named test.
In order to implement FIT AP online, FIT AP first needs to obtain the IP address of AC. Which of the following options is not included in FITAP obtaining the IP address of AC. ()
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 permanent(RTA)ip route--statiC.10.2.2.02413.1.1.1.
The following description about the specified port of the spanning tree is correct ()·
CSS refers to the combination of two switch devices that support cluster features. Logically combined into one switch device. ()
There are multiple route entries to the same destination network in the routing table. These routes are called? ()
When planning a campus network, which of the following mask lengths is recommended for device interconnection IP addresses? ()