When AP and AC are on different Layer 3 networks, what method is recommended for AP to discover
AC? (Multiple Choice) Broadcasting method DNS DHCP Manually specified on AP.
What frequency does IEEE 802.11n support? (Multiple Choice) 2.5GHz 2.4GHz 5GHz 6GHz.
Which WLAN security policies support the link authentication method of Open mode? (Multiple
Choice) WPA2-802.IX WPA2-PSK WEP WPA.
Which of the following statements about RA and RS in IPv6 are correct? (Multiple Choice) RS is used to reply address prefix information RA is used to request address prefix information RS is used to request address prefix information RA is used to reply address prefix information .
The controller is the core component of SDN. The controller connects to the device through the
southbound interface. Which of the following belong to the controller southbound protocol? (Multiple SNMP
PCEP OpenFlow NETCONF
.
As shown in the figure, after the two routers are configured with OSPF, the administrator configures
the <silent -interface s0/0/0> command on RTA, then the correct description of the following is (). (Multiple
Choice) The neighbor relationship between the two routers will be down The neighbor relationship between the two routers will not be affected RTA will no longer send OSPF packets RTA will continue to receive, analyze and process OSPF packets sent by RTB.
Which of the following statements about the default route are correct? (Multiple Choice) If the destination address of the message cannot match any other routing entries in the routing table, the router will forward the message according to the default route There must be a default route in the routing table of any router The default route can only be manually configured by the administrator In the routing table, the default route appears as a route to the network 0.0.0.0 (the mask is also 0.0.0.0).
The function of 0SPF hello message is (). (Multiple Choice) Neighbor discovery Maintain neighbor relations Update LSA information Synchronize the LSDB of the router .
The output information of the sub-interface of a router aggregate port 1 is shown in the figure. Based on this information, which of the following statements are correct? (Multiple Choice)
[Router A]display Interface Eth-Trunk 1.100
Eth-Trunk1.100 current state : UP
Line protocol current state : UP
Last line protocol up time : 2019-03-04 10:22:40 UTC -08 :00
Description: HUAWEI, AR Series, Eth-Trunk1.100 Interface
Route Port, Hash arithmetic : According to SIP-XOR-DIP, Maximal BW: 2G, Current BW: 2G, The
Maximum Transmit Unit is 1500
Internet Address is 10.0.12.2/24
IP Sending Frames’ Format is PKTFIT ETENT 2.Hardware address 1s 00e0-fc3b-2015
Current system time: 2019-03-04 10:24:29 -08:00
Last 300 seconds input rate 0 bits/sec, 0 packets/sec
Last 300 seconds output rate 0 bits/sec, 0 packets/sec
Realtime 0 seconds input rate 0 bits/sec, 0 packets/sec
Realtime 0 seconds output rate 0 bits/sec, 0 packets/sec
Input: 6 packets, 574 bytes,
Output:7 packets, 638 bytes,
Input bandwidth utilization ;0%
Output bandwidth utilization :0%
————————————————————————————————
PortName Status Weight
————————————————————————————————
GigabitEthernet0/0/1 UP
1
GigabitEthernet0/0/2 UP
1
————————————————————————————————
The Number of Ports in Trunk : 2
The Number of UP Ports in Trunk : 2 Two links exist on the aggregate port The IP address of the sub-interface of the aggregate port is 10.0.12.2/24 The sub-interface number of the aggregate port is 100 The sub-interface of the aggregate port carries VLAN TAG 100 when forwarding data frames.
On Huawei ARG3 series routers, what authentication modes does AAA support? (Multiple Choice) 802.1x Local None HWTACACS.
Which of the following protocols consist of the PPP protocol? (Multiple Choice) LCP PPPoE NCP Authentication protocol.
The output information of a certain device is shown in the figure. Which of the following statements is
correct? (Multiple Choice)
<Huawe1>display interface G1gabitEthernet 0/0/0
G1gabi tEthernet0/0/0 current state : UP
Line protocol current state : UP
Route Port, The Maximum Transmit Unit is 1000
Internet Address is 10.0.12.2/24
IP Sending Frames' Format is PRTFMT ETENT_2.Hardware address is 00e0- fc22- 4fff
Port Mode: FORCE COPPER
Speed : 100.Loopback: NONE
Duplex: FULL,Negotiation: DISABLE
Md1 : AUTO
Last 300 seconds input rate 24 bits/sec, 0 packets/sec
Last 300 seconds output rate 24 bits/sec, 0 packets/sec
The IP address of the interface is 10.0.12.2/24 The MAC address of the interface is 00e0-fc22-4fff The working rate of this interface is 1Gbps The MTU value of this interface is 1000
.
As shown in the figure below, router A has Telnet router B through IP address 10.0.12.2. In the current
interface, which of the following operations will cause the Telnet session of Router A and Router B to be
interrupted? (Multiple Choice) Modify the IP address of G0/0/1 interface Close G0/0/1 interface Configure static routing Enable 0SPF protocol under G0/0/1 interface.
Which of the following working modes are supported by Huawei Enterprise AP? (Multiple Choice) Local Cloud FIT FAT.
Which planes of the following does a network device have? (Multiple choice) Control plane Business plane Data plane Management plane.
Virtualization is the basis for the realization of NEV. Which of the following statements about the
characteristics of virtualization is correct? (Multiple choice) Hardware independence: virtual machine and hardware decoupling, support virtual machine migration
between servers. Encapsulation: All virtual machines share the operating system, and encapsulation is achieved through
name spaces. Isolation: The virtual machines on the same physical server are isolated from each other. Partition: You can run multiple virtual machines on a single physical server at the same time.
The output information of the router R1 routing table is shown in the figure. Which of the following
statements is correct? (Multiple Choice) The router will discard data packets whose destination network is 11.0.0.0/8 The router will forward data packets whose destination network is 12.0.0.0/8 The data packet whose destination network is 11.0.0.0/8 will be forwarded from the router's
GigabitEthernet0/0/0 interface The data packet whose destination network is 12.0.0.0/8 will be forwarded from the router's
Ethernet070/0 interface
.
Which of the following description about the Router ID of OSPF is incorrect? (Multiple Choice) Router ID must be the IP address of an interface on the router The prerequisite for the normal operation of the OSPF protocol is that the router has a Router ID The Router ID must be manually configured The Router ID must be the same in the same area, and the Router ID in different areas can be different.
What are the advantages of the OSPF protocol? (Multiple Choice) Division of support areas OSPF supports load sharing for equal-cost routes OSPF supports message authentication OSPF supports type-less inter-domain routing (CIDR).
The route entry 10.0.0.24/29 may be aggregated from which of the following subnet routes? (Multiple Choice) 10.0.0.26/30 10.0.0.23/30 10.0.0.24/30 10.0.0.28/30.
What are the network types supported by the OSPF protocol? (Multiple Choice) Point-to-Point Non-Broadcast Multi-Access Point-to-Multipoint Broadcast.
In the network shown in the figure below, from a security perspective, router A refuses to receive
OSPF packets and ICMP packets received from the cO/0/1 interface. Which of the following commands
can achieve this requirement? (Multiple Choice) acl rumber 3000
rule 5 deny ospf
rule 10 deny icmp
#
interface GigabitEthernet0/0/1
traffic-filter inbound ac1 300o
#
acl rumber 2000
rule 5 deny 89
rule 10 deny 1
#
interface GigabitEtherneto/0/1
traffic-filter inbound ac1 2000
#
acL rumber 3000
rule 5 deny 89
rule 10 deny icmp
#
interface GigabitEthernet0/0/1
traffic-filter inbound ac1 30oo
#
acl number 3000
rule 5 deny 89
rule 10 deny 1
interface GigabitEtherneto/0/1
traffic-filter inbound aci 3000 .
Now there are the following four segments: 10.24.0.0/24, 10.24.1.0/24, 10.24.2.0/24, 10.24.3.0/24,
which route can point to these four network segments at the same time? (Multiple Choice) 10.24.1.0/23 0.0.0.0/0 10.24.0.0/22 10.24.0.0/21 .
Which fields in the IPv4 header are related to fragmentation? (Multiple Choice) TTL Fragment Offset Identification Flags.
As the figure shown: (Multiple Choice) Client3 belongs to VLAN30, and the command for dividing VLAN on the switch is correct Client4 belongs to VLAN40, and the command for dividing VLAN on the switch is correct
Client2 belongs to VLAN20, and the switch based on the MAC address division command is correct Client1 belongs to VLAN10, and the command for dividing VLAN on the switch is correct.
Which of the following messages are used for IPv6 stateless address autoconfiguration? (Multiple
Choice) NS RA NA RS.
Which of the following statements about IPv6 address configuration are correct? (Multiple Choice) IPv6 supports stateless automatic configuration IPv6 address supports automatic configuration in multiple ways IPv6 address supports automatic configuration in multiple ways IPv6 address can only be configured manually.
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? (Multiple Choice) The routing table is of fixed length. A device can only have one public routing table The flow table is variable length. A network device can only have one flow table The matching method of the flow table is to match the MAC address and IP address of the traffic at the
same time The matching method of the address table is to match the route of the destination network segment
with the longest mask.
In the OSPF broadcast network, which routers will a Dothter router exchange link state information
with? (Multiple Choice) BDR All OSPF neighbors DR Other DR.
Which of the following statements about router-on-a-stick are correct? (Multiple Choice) Use only one physical link connection between the switch and the router Need to create a sub-interface on the router One physical connection per VLAN On the switch, configure the port connected to the router as a Trunk port, and allow frames of the
relevant VLAN to pass.
As shown in the network below, all switches enable STP protocol. Disable SWA's G0/0/2 port
configuration BPDU sending function, SWC G0/0/1 re-converges to become the root port, about this
process, which of the following statements are correct? (Multiple Choice) SWC sends TCN BPDU message to SWB SWB forwards TCN BPDU to SWA SWB sends configuration BPDU with TCA set to SWC SWA sends configuration BPDU with TC set.
The router Radius information configuration is shown in the figure. Which of the following statement
is correct? (Multiple Choice) The source IP source address of the Radius packet sent by the router is 200.0.12.2 The IP address of the accounting server is 200.0.12.1 The IP address of the authorization server is 200.0.12.1 The IP address of the authentication server is 200.0.12.1.
How to add AP on AC? (Multiple Choice) Add online Automatically discover AP Import AP offline Manually confirm APs in the uncertified list.
To query the configuration information of the device's OSPF protocol, which of the following
commands can be used? (Multiple Choice) display ospf peer Enter the command "display this" in the OSPF protocol view display current-configuration dis ip routing-table.
ip route-static 10.0.2.2 255.255.255.255 10.0.12.2 preference 20. Which is correct about this
command? (Multiple Choice) The NextHop of this route is 10.0.12.2 The priority of this route is 20 This route can guide the forwarding of packets with the destination IP address 10.0.2.2. This route can guide the forwarding of packets with the destination IP address 10.0.12.2.
What are the following characteristics of the default VLAN in the Layer 2 Ethernet switch? (Multiple
Choice) The default VLAN cannot be deleted manually By default, all ports of the switch are member ports of the default VLAN A default VLAN must be created before it can be assigned a port The IP address configured on the switch will only be applied to the member ports of the default VLAN.
Link aggregation is a common technology in enterprise networks. Which of the following descriptions
are the advantages of link aggregation technology? (Multiple Choice) Improve safety Realize load sharing Increase bandwidth Improve reliability.
In the network shown in the figure, which of the following configurations can realize that host A can
access the Internet, but host B can not? (Multiple Choice) acl number 2000
rule 5 deny source 100.0.12.0 0.0.0.255
rule 10 permit source 100.0.13.0 0.0.0.255
#
Interface GigabitEthernet0/0/3
traffic-filter outbound ac1 2000
# acl number 2000
rule 5 deny source 100.0.12.0 0.0.0.255
rule 10 permit
#
Interface GigabitEthernet0/0/3
traffic-filter outbound ac1 2000
#
acl number 2000
rule 5 permit source 100.0.12.0 0.0.0.255
rule 10 deny source 100.0.13.0 0.0.0.255
#
Interface GigabitEthernet0/0/3
traffic-filter outbound ac1 2000
#
acl number 2000
rule 5 permit source 100.0.12.0 0.0.0.255
rule 10 deny
#
Interface GigabitEthernet0/0/3
traffic-filter outbound ac1 2000
#.
As shown in the figure below, all switches enable the STP protocol and keep other configurations in
their default state. When the network is stable, which of the following statements are correct? (Multiple Choice) Both ports of SWB are in Forwarding state SWB is the root bridge in this network SWA is the root bridge in this network Both ports of SWC are in Forwarding state.
Which of the following statements about IPv6 multicast addresses are correct? (Multiple Choice) Provide redundant functions for services Realize load sharing of services The packet whose destination address is a multicast address will be sent to the nearest network
interface in the sense of routing Multicast addresses and unicast addresses use the same address space .
In which of the following network types does the OSPF protocol need to elect DR and BDR? (Multiple
choice) Point to multipoint NBMA Point-to-point type Broadcast type.
When deploying ACL on Huawei devices, which of the following description is correct? (Multiple
choice) ACL can match the TCP/UDP port number of the message, and can specify the range of port numbers The same ACL can be called under multiple interfaces When ACL defines rules, it can only proceed in the order of 10, 20, and 30 ACL cannot be used to filter OSPF traffic, because OSPF traffic does not use UDP protocol
encapsulation When calling ACL under the interface, it can only be applied to the outbound direction .
There are hosts in a private network that need to access the Internet. In order to achieve this
requirement, which of the following configurations should the administrator do on the edge router of the
network? (Multiple Choice) Default route STP DHCP NAT.
The administrator cannot log in to the Huawei router through Telnett, but other administrators can log
in normally, so which of the following are the possible reasons? (Multiple Choice) The authority level of the administrator user account has been modified to 0 The administrator user account has been disabled The Te1net service of the AR2200 router has been disabled The administrator user account has been deleted
.
Which of the following characteristics does the OSPF protocol have? (Multiple Choice) Easy to produce routing loops Calculate the shortest path by number Support the division of areas Trigger an update.
In the network shown in the figure below, which of the following commands can be entered on the
router to enable host A to ping host B? (Multiple choice) RTA: ip route-static 10.0.12.5 255.255.255.252 11.0.12.2
RTB: ip route-static 10.0.12.1 255.255.255.252 11.0.12.1
RTA: ip route-static 10.0.12.5 255.255.255.252 11.0.12.1
RTB: ip route-static 10.0.12.1 255.255.255.252 11.0.12.2 RTA: ip route-static 0.0.0.0 0.0.0.0 11.0.12.2
RTB: ip route-static 0.0.0.0 0.0.0.0 11.0.12.1 RTA: ip route-static 0.0.0.0 0.0.0.0 11.0.12.1
RTB: ip route-static 0.0.0.0 0.0.0.0 11.0.12.2.
As shown in the figure below, assuming the other configurations of the switch are kept in the default
state, which port of the following switch will become the designated port? (Multiple Choice) SWC's G0/0/1 SWA's G0/0/3 SWC's G0/0/2 SWB's G0/0/1.
Which of the following fields does the MPLS header include? (Multiple choice) EXP TTL Label Tos.
The routing table output information of a router is shown in the figure. Which of the following
statements is correct? (Multiple choice) the local router to the NextHop of 10.0.2.2 is 10.0.21.2 the local router to the NextHop of 10.0.2.1 is 10.0.21.2 the local router to the NextHop of 10.0.2.2 is 10.0.12.2 the local router to the NextHop of 10.0.0.1 is 10.0.12.2.
What are the user authentication methods that can be deployed in wlan? (Multiple choice) Portal authentication MAC authentication Radius certification 802.1X authentication.
Which of the following IEEE 802.11 standards support operation in the 5GHz frequency band?
(Multiple choice) 802.11ac 802.11n 802.11g 802.11a.
Which of the following refers to network communication? (Multiple choice) Use instant messaging software (such as, QQ, WeChat) to chat with friends Use a computer to visit the company's official website Use computer to watch video online Download emails from the company mailbox to your computer.
Which of the following fields does the ARP packet format include? (Multiple choice) HardwareType Protocol Address of sender Operation Code Protocol Type.
Which of the following attributes cannot be used as a parameter to measure Cost? (Multiple choice) Bandwidth Sysname Delay Hop count .
If the Ethernet data frame Length/Type=0X0806, which of the following statement is correct?
(Multiple choice) The source MAC address of the data frame must not be FFFF-FFFF-FFFF The data frame is an IEEE 802.3 frame The data frame is an Ethernet II frame The destination MAC address of the data frame may be FFFF-FFFF-FFFF.
What are the advantages of using dynamic host configuration protocol DHCP to assign IP addresses?
(Multiple choice) Heavy workload and difficult to manage Reuse of IP address can be realized Avoid IP address conflicts When the configuration information changes (such as DNS), only the administrator needs to modify it
on the DHCP server to facilitate unified management.
The routing table is shown in the figure. Which of the following statements is correct? (Multiple
choice) The router forwards data packets with the destination IP address 10.0.3.3 from Ethernet0/0/0 Router from Ethernet0/0/0 forwarding destination IP address 10.0.2.2 packet The router forwards data packets with the destination IP address 10.0.12.1 from Ethernet0/0/0 The NextHop of the destination network 10.0.3.3/32 is not directly connected, so the router will not
forward packets with the destination IP address of 10.0.3.3.
The network administrator uses Ping to test the connectivity of the network. Which of the following
protocols may be used in this process? (Multiple choice) ICMP UDP TCP ARP.
Which of the following description about DD packets and LSA of OSPF is correct? (Multiple choice) The header of an LSA can uniquely identify an LSA LSA header is only a small part of LSA DD packet contains detailed information about LSA The DD packet contains only LSA header information .
Which of the following statement about the main functions of the router is wrong? (Multiple choice) Realize the mutual communication between the same network disconnection equipment Forwarding according to the source IP address of the received data packet Establish routing tables through multiple protocols Guide data forwarding according to the routing table.
Which of the following port states does the RSTP protocol include? (Multiple choice) Learning Discarding Listening Forwarding.
Using the ACL shown in the figure on the router RTA to match routing entries, which of the following
entries will be matched? (Multiple choice) 172.16.1.0/24 192.17.0.0/24 172.18.0.0/16 172.16.1.1/32.
The configuration information of a router is shown in the figure. Which of the following statements are
correct? (Multiple choice) The authentication method adopted by the domain with the domain name huawei is local ID The authorization method for the domain with the domain name huawei is local authorization Use the username huawei for authentication, the password needs to be 654321 The domain with the domain name huawei does not use the billing plan.
Which of the following types does IPv6 address contain? (Multiple choice) Unicast address Broadcast address Multicast address Anycast address.
Which of the following are related to the purpose of encapsulation and decapsulation? (Multiple
choice) Encapsulation and decapsulation are important steps to realize different protocol functions Interworking between different networks Shorten the length of the message Encapsulation and decapsulation can complete network fault location.
Which of the following statement about the transport layer protocol is correct? (Multiple choice) UDP is suitable for the transmission of delay-sensitive traffic, and can be reorganized according to the
sequence number field in the message header The range of well-known port numbers is 0-1023 UDP uses the STNOACK flag to request and confirm the establishment of a connection TCP establish a connection is a three-way handshake process, TCP terminates the connection will
have to go through four-way handshake.
In the network as shown in the figure below, the host has an ARP cache. Which of the following
statements is correct? (Multiple Choice) The following entries may exist in the ARP cache of host A. 10.0.12.2 MAC-C The router needs to be configured with static routing, otherwise host A and host B cannot communicate
in both directions The following entries exist in the ARP cache of host A 11.0.12.1 MAC-B Host A and Host B can communicate in both directions.
Compared with STP, which of the following port roles are newly defined in RSTP? (Multiple choice) Designated port Root port Alternate port Backup port.
Which of the following options are configured in a Layer 2 ACL? (Multiple choices) rule 10 permit 12-protoco1 arp rule 25 permit source 192.168.1.1 0.0.0.0 rule 20 permit source-mac 0203-0405-0607 rule 15 permit vlan-id 100.
At present, 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
administrators, as well as different levels of authority. So how should it be done? (Multiple choices)
Each administrator uses a different public IP address of the device when running the Telnet command The user authentication mode configured by Telnet must select AAA mode When configuring each administrator's account, different permission levels need to be configured Configure three user names and their corresponding passwords in the AAA view.
Which of the following network parameters can be assigned by Dynamic Host Configuration Protocol
DHCP? (Multiple choices) IP address Gateway address Operating system name DNS address.
Which of the following functions does the LCP protocol in the PPP protocol support?
( Multiple Choice) Negotiate network layer address Negotiate authentication agreement Detect link loops Negotiate the maximum receiving unit MRU.
Which extension headers are supported by IPv6 packets? (Multiple choice) Destination option extension header Fragmentation extension header Hop-by-hop option extension header VLAN extension header.
Which of the following are not open interfaces of Huawei network equipment? (Multiple choice) NETCONF RESTCONF JSON XML .
Which statement are correct about the shortcut keys of the VRP operating platform? (Multiple
choice) TAB prompts the most recently entered command CTRL+C to stop the current command The left cursor key (<) moves the cursor to the left position. CTRL+Z back to user view.
The output information of a switch is shown in the figure. Which of the following statements is correct?
(Multiple choice) The GE0/0/2 port of the switch carries VLAN TAG when sending VLAN20 data frames The user manually created 4 VLANs The GE0/0/1 port of the switch does not carry VLAN TAG when sending VLAN20 data frames The GE0/0/1 port of the switch does not carry VLAN TAG when sending VLAN10 data frames.
The G0/0/1 interface configuration information of router A is shown in the figure. Which of the
following statements is correct? (Multiple choice) This interface will not forward received FTP packets This interface will not forward ICMP packets This interface will not forward received SNMP packets This interface can establish OSPF neighbor relationships with other routers.
What is the transmission rate of an Eth-Trunk port in manual link aggregation mode related to?
(Multiple choice) Number of member ports Bandwidth of member ports If an IP address is configured on the member port If the member port is on the public or private network.
In order to realize the network layer function on VLANIF interface, what need to be configured on
VLANIF interface? (Multiple choice)
MAC address Subnet mask IP prefix IP address.
A DHCP server is deployed in the network, but the administrator found that some hosts did not
correctly obtain the address specified by the DHCP server. What are the possible reasons? (Multiple Choice) The address pool of the DHCP server has all been allocated Some hosts cannot communicate with the DHCP server normally, and the client systems of these hosts
automatically generate addresses in the range of 169.254 0.0 There is another DHCP server in the network that works more efficiently Some hosts cannot communicate with the DHCP server normally, and the client systems of these
hosts automatically generate addresses in the range of 127.254.0.0.
In the CAPWAP tunnel establishment phase, after the AC receives the Join Request message sent
by the AP, the AC will check the validity of the AP. Which of the following is the authentication method
supported by the AC? (Multiple choice) SN certification Password authentication MAC authentication Not certified.
Which of the following statements about the S field in the MPLS packet header are correct? (Multiple
choice) s bit has only 1 bit in frame mode and 2 bit in cell mode s bit exists in every MPLS packet header It is used to mark whether there are other labels behind this label, 1 means yes, 0 means no It is used to mark whether there are other labels behind this label, 0 means yes, 1 means no.
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 rapid development of
the business. What are the following characteristics of Segment Routing? (Multiple choice) By extending the existing protocol (eg IGP), the existing network can better and smoothly evolve SR (Segment Routing) adopts IP forwarding, no additional maintenance is required for another label
forwarding table Adopting source routing technology to provide the ability to quickly exchange text between the network
and upper-layer applications Support the centralized control mode of the controller and the distributed control mode of the
transponder at the same time, and provide a balance between centralized control and distributed control.
Which of the following descriptions of OSPF areas are correct? (Multiple choice) All networks should be declared in zone 0 The number of the backbone area cannot be 2 Before configuring the OSPF area, an IP address must be configured for the loopback interface of the
router The number range of the area is from 0.0.0.0 to 255.255.255.255.
In the OSPF protocol, which of the following descriptions of DR is correct? (Multiple choice) If the priority values of the two routers are equal, the router with the larger Router ID is selected as the
DR By default, all routers in this broadcast network will participate in the DR election If the priority values of the two routers are different, select the router with the lower priority as the DR DR and BDR should also establish an adjacency relationship.
Which of the following descriptions are correct about the concept of IEV architecture? (Multiple
choice) MANO is composed of NFVO.VNFN and VIM. VFM. Virtual network function management, responsible for the life cycle management of VNF. VIM (Virtualised Infrastructure Manager) virtual resource management, responsible for the virtualization
of infrastructure. NFVO (NEV Orchestrator) is responsible for business orchestration.
Regarding the control plane of the device, which of the following statements is correct? (Multiple
choice) The control plane is responsible for the interaction of routing protocols between devices The control plane is responsible for generating the IP routing table The control plane provides equipment monitoring capabilities The control plane is responsible for directing data forwarding.
Which of the following networks belong to a local area network? (Multiple choice) Broadband Metropolitan Area Network Internet Office network of a company A home network.
Which of the following elements are included in the routing table? (Multiple choice) Interface Destination/mask Nexthop Protocol Cost.
The two switches shown below have both enabled the STP protocol. An engineer made the following
conclusions on this network. Which conclusions do you think are correct? (Multiple choice) The G0/0/3 port of SWA is stable in Forwarding state The G0/0/2 port of SWA is stable in Forwarding state Both ports of SWA are designated ports G0/0/2 port of SWB is stable in Forwarding state Both ports of SWB are designated ports.
On the switch, which VLANs can be deleted by using the undo command? (Multiple choice) vlan 4094 vlan 2 vlan 1 vlan 1024.
According to the command shown in the figure, which of the following description is correct? (Multiple
choice The PVID of GigabitEthernet0/0/2 port is 1 The PVID of GigabitEthernet0/0/1 port is 10 The PVID of GigabitEthernet0/0/2 port is 10 The PVID of GigabitEthernet0/0/1 port is 11.
Which of the following description are wrong about the Forwarding state in the spanning tree
protocol? (Multiple choice) The port in the Forwarding state can forward data packets The port in the Forwarding state does not learn the source MAC address of the packet Ports in Forwarding state can receive BPDU packets The port in the Forwarding state will definitely send BPDU packets .
What equipment is generally involved in the wlan deployment scheme in the enterprise scenario?
(Multiple choice) AC(Acess Controller)
Poe switch CPE AP.
In the STP protocol, which of the following factors will affect the election of the root switch? (Multiple
choice) The IP address of the switch Switch interface ID Switch interface bandwidth port Switch priority MAC address of the switch.
As shown in the figure below, the router uses a sub-interface as the gateway of the host. The IP
address of the gateway is 10.0.12.2. Which of the following commands can achieve this requirement?
(Multiple choice) Interface GigabitEthernet0/0/0.20
Dotlq termination vid 10
ip address 10.0.12.2 255.255.255.0
Arp broadcast enable
# Interface GigabitEthernet0/0/0.10
Dotlq termination vid 10
ip address 10.0.12.2 255.255.255.0
Arp broadcast enable
# Interface GigabitEthernet0/0/0.10
Dotlq termination vid 20
ip address 10.0.12.2 255.255.255.0
Arp broadcast enable
# Interface GigabitEthernet0/0/0.20
Dotlq termination vid 20
ip address 10.0.12.2 255.255.255.0
Arp broadcast enable
#.
As shown in the following figure, router A and router B establish an OSPF neighbor relationship. The
OSPF process number of router A is 1, and the area number is 0. Which of the following configurations on
router A can enable router B to obtain the network segment of host A routing? (Multiple choice) ospf 1
Area 0.0.0.0
Network 192.168.1.2 0.0.0.0 ospf 1
Import-route direct ospf 1
Area 0.0.0.0
Network 192.168.0.0 0.0.255.255 ospf 1
Area 0.0.0.0
Network 192.168.1.0 0.0.0.255.
How to enter the view of OSPF area 0 in the vrp operating system? (Multiple choice) [Huawei-ospf-1] area 0 enabel [Huawei-ospf-1] area 0 [Huawei] ospf area 0 [Huawei-ospf-1] area 0.0.0.0.
What command views exist in the VRP operating platform? (Multiple choice) User view Interface view Agreement view System view.
What are the roles of OSPF protocol DR and BDR? (Multiple choice) Reduce the number of adjacencies Reduce the types of OSPF protocol packets Reduce the time to establish adjacency Reduce the number of exchanges of link state information.
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