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Which of the following protocol types does the ospf protocol support? (Multiple Choice). Point-to-multipoint. Point-to-point type. Broadcast type. NBMA.

For switches running STP protocol, the port can be directly converted to the Disabled state in any state. True. False.

As shown in the figure, there are three data packets captured by the administrator on the network. Which of the following statements is incorrect? (Single choice question) Source destination protocol info SYNseq0win8192Len0mss146010.0.12.2 10.0.12.1 10.0.12.110.0.12.2TCp50190>telnet SYN, ACKseg-0 Ack-1 win-8192 Len-0mss=1460 TCP telnet:50190 10.0.12.110.0.12.2 TCP50190>telnet(ACK)seq-1Ack=1win=81921en=0. None of these three data packets contain application layer data. These three data packets represent the three-way handshake process of TCP. The telnet client uses port 50190 to establish a connection with the server. The IP address of the telnet server is 10.0.12.1. The IP address of the telnet client is 10.0.12.2.

As shown in the figure below. Host A and Host B cannot communicate. ()(True or False). True. False.

As shown in the figure, when the switch needs to forward frames with the destination mac address of 5489-98ec-f011, which of the following descriptions is correct? () (Single-choice question). The switch will send a message that the destination is unreachable to the source device. The switch did not find a matching entry in the mac address table. So the frame will be discarded. The switch needs to send a request to discover the device with the mac address of 5489-98ecf011. The switch will be All ports outside flood the frame.

The mac address of the existing switch is shown in the figure. Which of the following statements is correct ()? (Multiple Choice Questions). When the switch restarts, the mac address learned by port Eth0/0/2 does not need to be relearned. The data frame with the source mac address of 5489-9885-18a8 and the destination mac address of 5489-989d-1d30 learned from the port is forwarded from the Eth0/0/1 port. The source mac address learned from the port is 5489-9811-0b49. The data frame with the destination mac address 5489-989d-1d30 is forwarded from the Eth0/0/2 port. When the switch restarts, the mac address learned by port Eth0/0/3 needs to be re-learned.

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. Will use "authentication-scheme aul" authentication. "Authentication-scheme aul authentication will be used. If "au1 is deleted."au2 authentication will be used. "Authentication-scheme au2 authentication will be used. If "au2" is deleted, "aul authentication will be used. Will use "authentication-scheme au2" authentication.

The output information of the router is shown in the figure. Which of the following statements is wrong? () (Single-choice question) The broadcast address corresponding to the AEthernet0/0/0 interface is 10.0.12.255. The physical link of the Ethernet0/0/0 interface is normal. Ethernet0/0/0 interfaceThe MTU value is 1480. Ethernet (The IP address of the /0/0 interface is 10.0.12.1/24.

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). True. 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. GigbitEthernet (/0/0 interface is connected to a wrong cable. The GigbitEthernet0/0/0 interface is not configured with an IP address. The GigbitEthernet0/0/0 interface was manually closed by the administrator. GigbitEthernet (0/0/0 interface does not enable dynamic routing protocol.

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). 600. 200. 0. 400.

The information shown in the figure is the port status information displayed on a switch running STP. According to this information, what is wrong in the following description? () (Single-choice question). This switch is the root switch in the network. The priority of this switch is 0. This network may only contain this switch. This switch may be connected to 6 other switches.

As shown in the figure, the switch runs STP with default parameters. Which of the following ports will be elected as the designated port? () (Single-choice question). Port G0/0/1 of switch A. HUB's G0/0/1 port. HUB's G0/0/2 port. Port G0/0/2 of switch A.

As shown in the figure below, all hosts can communicate normally. Is the correspondence between the MAC address and the port in the MAC address table of SWB correct? () (Singlechoice question). MAC-A GO/0/1 MAC-B GO/0/2 MAC-C GO/0/3. MAC-A GO/0/2 MAC-B G0/0/2 MAC-C GO/0/3. MAC-A GO/0/3 MAC-B GO/0/3 MAC-C GO/0/1. MAC-A GO/0/1 MAC-B GO/0/1 MAC-C GO/0/3.

The priority of the LACP protocol is shown in the figure. Switch A and Switch B adopt LACP mode link aggregation, and all interfaces are added to the link aggregation group. At the same time, set the maximum number of active ports to 3. Then which port of switch A is not an active port ? () (Single-choice question). G0/0/0. G0/0/1. G0/0/2. G0/0/3.

Which of the following statements about VLANIF interfaces are correct? (). The VANIF interface does not need to learn MAC addresses. The VLANTF interface does not have a MAC address. Different VLANIF interfaces can use the same IP address. The VLANIF interface is a Layer 3 interface.

Which of the following statements about the edge port in the RSTP protocol is correct? (). The edge port discards the received configuration BPDU packet. The edge port can be directly transferred to the Forwarding state from Disable. Edge port participates in RSTP operation. The interconnection ports between switches need to be set as edge ports.

Static NAT can only achieve one-to-one mapping between private addresses and public addresses (). True. False.

A certain ACL of the router is in the following rules, rule deny source192.168.2.00.0.0.255 destination 172.16.10.20.0.0.0 Which of the following statements is correct? (). The source IP is 172.16.10.2. All TCP packets whose destination IP is 192.168.2.1 match this rule. All TCP packets whose source IP is 192.168.2.1 and destination IP is 172.16.10.1 match this rule. sourceIP is 172.16.10.2 and all TCP packets whose destination IP is 192.168.2.0 match this rule. sourceIAll TCP packets whose P is 192.168.2.1 and destination P is 172.16.10.2 are configured with this rule.

RADIUS is a common protocol to implement AAA (). True. False.

Telnet is based on TCP protocol (). True. False.

What kind of message does the DHCP server use to confirm that the host can use the IP address? (). DHCP DISCOVER. DHCP ACK. DHCP OFFER. DHCP REQUSET.

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. (). DHCP option mode. Static designation method on AP. Broadcasting method. Multicast mode.

On the VRP operating platform, what command is used to display the current interface configuration in the interface view? (). display users. display version. display this. display ip interfacebrief.

The administrator has configured the router as shown in the figure. Then a host connected to the G1/0/0 interface of the router. What kind of IP address can be obtained through DHCP? () (Single-choice question). The IP address obtained by the host belongs to the 10.10.10.0/24 network. The IP address obtained by the host belongs to the 10.20.20.0/24 network. The IP address obtained by the host may belong to the 10.10.10.0/24 network, or it may belong to the 10.20.20.0/24 network. The host cannot get an address.

In the network shown in the figure below, the router receives a data packet with a destination IP address of 11.0.12.1 from hostA. This data packet is forwarded by the router. What are the destination mc and destination IP? () (Single-choice question). MAC-D10.0.12.2. MAC-D11.0.12.1. MAC-C11.0.12.1. MAC-B11.0.12.1.

The network shown in the figure below. All routers run OSPF. The link cost value is shown in the figure. What is the cost value of the route entry to the network 10.0.0.0/8 in the RTA routing table? () (Single-choice question). 100. 70. 20. 60.

As shown in the figure below, which of the following statements is correct? () (Single-choice question). Host A can ping host B. Only if the masks of host A and host B are set to be the same, host A and host B can communicate. The IP address mask b of host A and host B are different. Therefore, host A and host B cannot communicate. The broadcast address of host A and host B are the same.

As shown in the figure below. Which port of the following switches will be blocked? () (Singlechoice question). SWC's G0/0/2. SWA's G0/0/3. SWC's G0/0/1. G0/0/3 of SWB.

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). True. False.

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). 100. 2. 4. 1.

As shown in the figure, the network administrator creates VLAN2 on SWA and SWB. The ports connecting the hosts on the two switches are configured as Access ports. They are assigned to VLAN2. G0/0/1 of SWA and G0/0/2 of SWB are configured as Trunki ports. All VLANs are allowed to pass. What is needed to achieve normal communication between two hosts? (). Configure G0/0/1 on SWC as a trunk port and allow VLAN2 to pass. Set G0/0/2 as an access port. PVID is 2. Create VLAN2 on SWC, configure G0/0/1 and G0/0/2 as trunk ports, and allow VLAN2 to pass. Just create BLAN2 on SWC. Configure G0/0/1 on SWC as a teunk port and allow VLAN2 to pass through.

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). True. False.

The ACL configuration information of a certain router is shown in the figure. Which of the following statements is correct? () (Single-choice question). The packet whose source IP address is 192.168.1.254 is matched by the permit rule. Packets with source IP addresses of 192.168.1.1 and 192.168.1.254 are matched by the permit rule. The packet with the source IP address of 192.168.1.1 is matched by the pemit rule. The packet with the source IP address 192.168.1.1 is matched by the deny rule.

The network is shown in the figure. Which router is the BDR in this network? () (Single-choice question). Router B. No BDR. Router C. Router A.

VLANs can be assigned based on service types during campus network planning. True. False.

When the host accesses the web service of the server , the value of the "Protocol" field at the network layer is 6. True. False.

Which of the following protocols can be used to prevent Layer 2 loops on a campus network?. SNMP. RSTP. NAT. OSPF.

On VRP, the command lines are classified into fou 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?. Visit level. Configuration level. Monitoring level. Management level.

Which of the following is the full name of VRP?. Virtual Routing Platform. Versatile Routing Platform. Versatile Redundancy Platform. Versatile Routing Protocol.