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Which of the configurations in the following options belong to a Layer 2 ACL? ()*
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? ()
An ACL rule is as follows: Which of the following IP addresses can be matched by permit rules? () rule5per mit ip source10.0.1.00.0.254.255*
Currently, the company has a network administrator, and the AR2200 in the company network can be remotely managed by directly entering the password through Telnet. After the two new network administrators arrived, the company hopes to assign their own user names and passwords to all the administrators, as well as different levels of authority. So how should it be done? ()
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)
After a fault occurs in the network, the administrator finds that the configuration of a certain router has been modified through troubleshooting. What measures should the administrator take to avoid this situation from happening again? ()*
As shown in the figure below. Router A has passed the IP address 10.0.12.2 Telnet Router B. Which of the following operations on the current interface will cause the Telnet session between Router A and Router B to be interrupted? () (Multiple Choice Questions)
The output information of a certain device is shown in the figure. Which of the following statements are correct? () (Multiple Choice Questions)
The display startup information of the AR2200 router. Regarding these information, the statement is wrong ()
If the Proto of a certain route information in the routing table is Direct, the priority of this route must be0.()
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 two OSPF routers form a 2-WAY neighbor relationship, the LSDB. has been synchronized. ()
When using the SNMPv1 protocol to manage network devices, which of the following commands is used by the network management system to complete the configuration of the network devices? ()
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? ()
To provide different network services for different users on the AP, which of the following can be configured?
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? ()
The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? () (Single-choice question)
＜Huawei＞display mac address
MAC address table of slot 0:
MAC Address VLAN/PEVLAN CEVLAN Port Type LSP/LSR-ID
VSI/SI MAC-Tunnel
5489 9811 0b49 1 Eth0/0/3 static 0/
Total matching items on slot 0 displayed =1
MAC address table of slot 0:
MAC Address VLAN/ PEVLAN CEVLAN Port Type LSP/LSR-ID
VSI/SI MAC-Tunnel
5489-989d-1d30 1 Eth0/0/1 dynamic 0/-
5489-9885-18a8 1 Eth0/0/2 dynamic 0/-
Total matching items on slot 0 displayed ＝2
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?
OSPF Router ID. It must be the same as the IP address of an interface on the router.
If the application layer protocol is Te1net, then the value of the Protoco1 field in the IPv4 header? ()
STA. The only way to discover the wireless network is the Beacom frame sent by the AP. ()
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 log in to this device using telnetliB. ()
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? ()
In the WLAN architecture, the FIT AP cannot work independently and needs to be managed by AC. Which of the following protocols are used to communicate between FIT AP and AC.? ()
When the device running STP receives the RSTP configuration BPDU, it will discard it. ()
The IP addresses of the VLANIF interfaces of the same switch cannot be the same. ()
According to the command shown in the figure, which of the following descriptions is correct? () (Multiple Choice Questions)
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
Static NAT can only achieve one-to-one mapping between private addresses and public addresses ()
When the host frequently moves the office, which VLAN division method is most suitable? ()
What kind of message does the DHCP server use to confirm that the host can use the IP address? ()
Which of the following statements is correct for the ACL configured in the Telnet application? ()
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 ()
The switch becomes a logical switch after stacking and clustering, and Eth-Trunk across physical devices can be deployed to improve network reliability. ()
If the value of the ypeLength field of an Ethernet data frame is 0x0800, the length of the upper layer message header carried by this data frame is in the range of 20-60B. ()
When the lease period reaches what percentage does the DHCP client send the lease renewal message for the first time? ()
There are multiple route entries to the same destination network in the routing table. These routes are called? ()
The network structure and 0$PF partition are shown in the figure. In the figure, except for RTA., the routers RTB.RTC. and RTD. are ABR routers. ()
(RTA) ip route-statiC.10.1.1.02412.1.1.1 permanent
(RTA) ip route-statiC.10.2.2.02413.1.1.1.
What is the protocol number corresponding to the ospf protocol at the network layer? ()
The host's IPv4 address is 200.200.200.201/30. Which of the following hosts has an IPv4 address and its communication does not need to be forwarded by a router? ()
Which of the following advantages does the single-arm routing approach achieve inter-VLAN routing and intercommunication? ()
The following is the statement about the election of active ports in link aggregation LACP mode. the correct one is? ()
The election of the root switch in STP only compares the priority of the switch, while in RSTP, the priority of the switch and the MAC address are compared at the same time. ()
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? ()
The IPv6 address 2001: ABEF:2240E:FFE2:BCC0:CD0:DDBE:8D58 cannot be abbreviated. ()
After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()
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)
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)
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? ()
As shown in the figure. When the router uses the 0＄PF protocol at the same time. Which BDR is in this network? () (Single-choice question)
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. ()
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)
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
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)
If the MAC address of an interface is 0OEO-FCEF-OFEC, what is its corresponding EUI-64 address? ()
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 output information of the router is shown in the figure. Which of the following statements is wrong? () (Single-choice question)
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?
Three Layer 2 switches are interconnected with one HUB. The switches are all enabled with STP bridge ID. Refer to the figure below. What are the default errors of other configurations? () (Single-choice question)
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. ()
The network shown in the figure below. The router receives a data packet with a destination IP address of 11.0.12.1 from host A. After this data is forwarded by the router, what are the destination MAC and destination IP? )(Single-choice question)
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? ()
The ACL on the ARG3 series routers supports two matching sequences, configuration sequence and automatic sorting. ()
In the MAC address table of the switch, which of the following entries will not age? ()
How many bits are there in the VLAN ID in the VLAN format defined by IEEE802.1Q? ()
As shown in the figure below. Which network device can host A and host B use to achieve communication? () (Single-choice question)
At what percentage does the DHCP client send the lease renewal message for the first time? ()
Which of the following methods can read data non-blocking in Python's telnetliB.? ()
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 NAT can convert multiple private network addresses into one public network address to access the public network at the same time
Which of the following are related to the purpose of encapsulation and decapsulation? ()*
Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()*
What are the advantages of using dynamic host configuration protocol DHCP to assign IP addresses? ()*
Is there any correct statement about the shortcut keys of the VRP operating platform? ()*
TESTED 24 Apr 2024