Refer to the following VLAN configurations on a Huawei switch. Which of the following statements are true?
What is used as the data link-layer MAC address that identifies each VAP on an AP?
During STP calculation, the port cost is associated with the port bandwidth by default. Which of the following statements about the relationship between port cost and port bandwidth is true?
A Windows host is started for the first time. If the host obtains an IP address using DHCP, what is the source IP address of the first data packet sent by the host?
Which of the following statements is true about link aggregation in manual load balancing mode?
When a host uses the IP address 192.168.1.2 to access the Internet, NAT must be performed.
(Which layer of the OSI model does a router work at?)
(Which of the following methods can be used to assign service VLANs during campus network planning?)
When the host accesses the web service of the server, the value of the "Protocol" field at the network layer is 6.
Which of the following statements is true?
What are the advantages of using DHCP to allocate IP addresses?
Which of the following statements about encapsulation and decapsulation are true?
When a switch port receives a frame that does not carry a VLAN tag, it must add a PVID to the frame.
(An Eth-Trunk interface can be used only as a Layer 2 interface.)
An ACL is essentially a packet filter. An ACL takes effect only after it is applied to a service module.
What are the components of the OSI reference model from top to bottom?
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.
Which of the following statements about the network shown in the figure is true?
Assuming that OSPF has been enabled on all routers in the following figure, which router is the BDR on this network?
Which of the following statements are true about the dynamic MAC address table?
If the broadcast address of a network is 172.16.1.255, which of the following addresses is the network address?
What action does an access port take in the process of sending VLAN frames?
For STP, the default root path cost of the root bridge is 0.
An administrator wishes to manage the router in the remote branch office, which method can be used?
Which of the following are advantages of stacking and CSS (Cluster Switch System) technologies?
If the MAC address of an interface is 00E0-FCEF-0FEC, the corresponding EUI-64 address is ( ).
Which of the following port statuses may exist on an STP-enabled switch?
Which of the following statements are true about the OSPF neighbor status?
Which of the following fields are contained in an ARP packet?
(An administrator cannot log in to a Huawei router through Telnet, but other administrators can log in to the router. Which of the following are possible causes?)
Refer to the network diagram.
Which of the following statements describes the network shown?
SNMP packets are transmitted by UDP.
What is used as the data link-layer MAC address that identifies each VAP on an AP?
What is the TPID value defined by IEEE 802.1Q?
Trunk interfaces can send both tagged and untagged frames.
Which of the following is correct regarding the configuration of the trunk port and access port on a switch?
Which of the following WLAN security policies support open link authentication?
In RSTP mode, both alternate and backup ports cannot forward user traffic and cannot receive, process, and send BPDU.
Making a call on a landline telephone is a type of network communication.
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?
What is the default lease time of the IP address allocated by the DHCP server?
If the value of the "Type/Length" field of an Ethernet data frame is 0x0800, the length range of the upper-layer packet header carried by the data frame is from 20B to 60B.
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 operations are mandatory to restore the factory default settings of an AR2200 router?
Refer to the following display vlan command output. Which of the following statements are true?
Which of the following statements regarding Designated Routers (DR) in OSPF are correct?
Which of the following statements about the output on the router R1 shown in the figure is false?
In standard STP mode, which of the following ports on non-root switches forward the BPDUs with TC bits set generated by the root switch?
As shown in the figure, if host A has the ARP cache of host B, host A can ping host B.
On the VRP, when the mkdir test command is run, the system creates a directory named test.
If a device running STP receives an RSTP configuration BPDU, it discards the BPDU.
On the network shown in the following figure, assuming that SWA, SWB, and SWC retain factory defaults, which of the following ports will be selected as a designated port?
If AAA authentication is used on Huawei devices and the remote server does not respond, the authentication can be performed on network devices.
Which of the following descriptions regarding the STP forwarding state is incorrect?
As shown in the figure, the configuration of Router A is as follows. Which of the following statements is/are incorrect?
Refer to the following configuration of an interface on a switch. For which VLAN does the interface remove VLAN tags before forwarding data frames?
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interface GigabitEthernet0/0/1
port link-type trunk
port trunk pvid vlan 10
port trunk allow-pass vlan 10 20 30 40
For multiple paths to the same destination network, the router needs to compare the preference values of the paths. If the preference values are the same, the router selects the paths based on the cost value.
Which of the following is NOT an open API of Huawei controllers?
Which of the following traffic can be filtered by an advanced ACL on a Huawei device?
If the application-layer protocol is Telnet, what is the value of the "Protocol" field in the IPv4 header?
Which of the following packets is used by OSPF to describe its link state database (LSDB)?
What protocol does OSPF run over?
For the Versatile Routing Platform (VRP), the login timeout period can be set only on a VTY interface.
SDN requires the control and forwarding planes to be separated.
While inspecting packets in the network, a network administrator discovers a frame with the destination MAC address of 01-00-5E-A0-B1-C3. What can the administrator determine from this?
Fit APs can provide wireless services independently of an AC.
The Network Management Station uses SNMP to manage devices. Which SNMP message is sent when an SNMP-registered abnormal event occurs?
On a Layer 2 WLAN, STAs use an AC as their gateway.
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
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?
Which of the following IEEE 802.11 standards supports the 2.4 GHz frequency band only?
On the VRP CLI, files cannot be permanently deleted using the delete or delete /unreserved command. To permanently delete them, you need to delete the files in the recycle bin.
Which of the following statements about switches is false?
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?
NAPT differentiates IP addresses of different users based on protocol ID in TCP, UDP, or IP packets.
A router that runs OSPF can enter the Full state only after Link-State Database (LSDB) synchronization is completed.
The priority of static routes cannot be manually specified.
Which of the following statements about the routing table shown in the figure are true?
According to OSI reference model, which layer is responsible for end-to-end error checking and flow control?
Which of the following is the full name of VRP?
When Fit APs go online on an AC, they will necessarily download the system software package from the AC.
(If a routing table contains multiple routes to the same destination network, what are these routes called?)
Refer to the following display vlan command output on SWA. Which of the following interfaces can forward untagged data frames from VLAN 40?
To enable the FTP server function on a router, set the username and password to "huawei", and set the FTP root directory to "flash:/dhcp/", which of the following commands must be configured?
What is the length range of an Ethernet_II frame that contains an Ethernet header?
Which of the following frequency bands are supported by IEEE 802.11n?
Which of the following DHCP options needs to be configured on the DHCP server to allow Fit APs to obtain the IP address of an AC and establish CAPWAP tunnels?
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?
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.
If the transport-layer protocol is UDP, the value of the "Protocol" field at the network layer is 6.
When a router is powered on, the router reads the configuration file saved in the default save directory to get itself initialized. If the configuration file does not exist in the default save directory, what does the router use to initialize itself?
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 methods can be used to add APs on an AC?
Which extension headers are supported by IPv6 packets?
More than two switches can be stacked into one logical device.
Which of the following is a link-state routing protocol?
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?
Which of the following is not a common device deployed on a data communication network?
Which of the following is not a characteristic of small campus networks?
A switch receives a unicast data frame with a VLAN tag but cannot find the destination MAC address of the data frame in its MAC address table. In this case, which action will the switch take?
Which of the following configurations can prevent Host A and Host B from communicating with each other?
If Spanning Tree Protocol (STP) is disabled on the network consisting of switches, a Layer 2 loop will definitely occur.
< Huawei > system-view
[Huawei]command-privilege level 3 view user save
Refer to the command output. What is the result of the shown command?
What are the advantages of OSPF?