Worksheetshcia-datacom olop
Total questions: 85
Worksheet time: 49mins
In a broadcast network running OSPF on four routers in the same area and segment, OSPF automatically elects one DR and multiple BDRs to achieve better backup effect.
False
True
Given two switches interconnected as shown, with ports configured: trunk link-type, trunk pvid vlan 10, and trunk allow-pass vlan 10 on both sides, data frames with VLAN 10 can be normally forwarded between the two switches.
False
True
The following figure shows the routing table of a router. When the router receives a packet with the destination IP address of 9.1.1.1, the router forwards the packet according to the route of 9.1.0.0/16 because the mask length of the route is longer.
True
False
Using the command mkdir test in the VRP operating platform, the system will create a directory named test.
True
False
In a campus network, network reliability can be improved by using link aggregation and stacking technology.
False
True
Telnetlib is a module that implements the Telnet protocol and comes with Python.
True
False
In IPv4 networks, an AP supports static and DHCP methods to obtain IP addresses.
True
False
vty configuration as shown in the figure, the user authority level is set to level 3.
[Huawei]user-interface vty o 14
[Huawei-ul-vtyo-14]acl 200o inbound
[Huavei-ui-vtyo-14]user privilege level 3
[Huavei-ui-vtyo-14]authentication-node password Please configure the login password (maxim length 16):huawei
True
False
On Huawei equipment using AAA authentication, if the remote server does not respond, authorization can be performed from the network equipment side.
False
True
By default, the root path cost of the root bridge in the STP protocol must be 0.
True
False
All ports on the root-bridge switch are designated ports.
True
False
In the VRP interface, using the command delete vrpcfg.zip deletes the file; you must empty the recycle bin to completely delete the file.
True
False
SNMP packets are carried over TCP.
True
False
14. If a network has a network address of 192.168.1.0, its broadcast address is set to 192.168.1.255.
False
True
The authentication scheme, authorization scheme, accounting scheme, HYTACACS, or RADIUS server template created on the AR router takes effect only after it is applied to the domain.
False
True
All ports on the root bridge switch are designated ports.
True
False
A trunk port may allow multiple VLANs, including VLAN 4096, to pass through.
True
False
On the VRP page, you cannot delete files completely by running the delete or delete /unreserved command. You must clear the files in the recycle bin.
False
True
The backup port in RSTP can replace the faulty root port.
False
True
A switch becomes a logical switch after being stacked and clustered. An Eth-Trunk can be deployed across physical devices to improve network reliability.
True
False
On the VRP operation platform, run the mkdir test command. The system creates a directory named test.
False
True
When two OSPF routers form a 2-way neighbor relationship, LSDB synchronization is completed.
False
True
The OSPF router ID must be the same as the IP address of an interface on the router.
False
True
A trunk port can send data frames with or without labels.
True
False
SNMP packets are carried over UDP.
False
True
The FAT AP can independently perform wireless access, wireless user definition, and service data forwarding without ACs.
True
False
Static IP addresses are recommended for servers in campus network planning.
False
True
During campus network planning, VLANs can be planned based on service types.
True
False
If the switch has redundant links, use STP to solve the problem.
True
False
A broadcast address is a special address with all the host bits of the network address set to 1. It can also be used as a host address.
True
False
Config mode is the default ACL configuration order on Huawei devices.
False
True
The software version will be downloaded from the Agile Controller when the FIT goes live.
False
True
As shown in the figure, two switches run STP root primary with default parameters, and switch B runs STP priority 0 with the configuration command. Which of the following ports is blocked?
G0/0/3 of HUB
G0/0/2 on switch A
G0/0/1 on switch A
G0/0/1 on switch B
The figure shows the MAC address table of a switch. If the switch receives a data frame with the destination MAC address of 5489-9811-0b49 from port Eth0/0/2, which of the following statements is correct?
The data frame is forwarded through Eth0/0/2
Discard the data frame
Forward the data frame through Eth0/0/3
Flood the data frame
As shown in the following figure, the network where host A resides requires easy IP access to the Internet. Which of the following ACLs is required on G0/0/3 of router A?
A. acl number 2000
rule 5 permit source 10.0.12.0.0.0.0.255
#
acl number 2000
rule 5 permit source 10.0.13.0.0.0.0.255
#
acl number 2000
rule 5 permit source 10.0.12.1.0.0.0.0
#
acl number 2000
rule 5 permit source 10.0.13.1.0.0.0.0
#
As shown in the following figure, all links are Ethernet links, and all interfaces of all routers run OSPF.
Protocol. How many DRs are elected on the entire network?
1
2
3
4
On the network shown in the following figure, switches use VLANIF interfaces to connect to router sub-interfaces. Which of the following configurations can meet this requirement?
interface Vlanif10
ip address 10.0.12.1 255.255.255.0
#
interface GigabitEthernet 0/0/2
port link-type trunk
port trunk pvid 10
port trunk allow-pass vlan 10
#
interface Vlanif10
ip address 10.0.12.1 255.255.255.0
#
interface GigabitEthernet 0/0/2
port link-type trunk
port trunk allow-pass vlan 10
#
interface Vlanif10
ip address 10.0.12.1 255.255.255.0
#
interface GigabitEthernet 0/0/2
port link-type hybrid
port hybrid untag vlan 10
#
interface Vlanif10
ip address 10.0.12.1 255.255.255.0
#
interface GigabitEthernet 0/0/2
port link-type access port default vlan 10
#
Which statement about the shown topology is correct?
This network has 6 collision domains
This network has 12 collision domains
This network has 2 broadcast domains
This network has 6 broadcast domains
Router forwards packets from host A to destinations 11.0 and 12.1. After forwarding, what are the destination MAC and destination IP respectively?
MAC-C, 11.0.12.1
MAC-B, 11.0.12.1
MAC-D, 10.0.12.2
MAC-D, 11.0.12.1
How many bits are there in the VLAN ID in the VLAN format defined by IEEE802.1Q?
12
6
10
8
What is the port number used by the FTP protocol control plane?
23
24
21
22
By default, in the SNMP protocol, which port number does the agent process use to send alarm messages to NS?
164
163
162
161
After receiving a unicast data frame, the switch searches the MAC address table for the destination MAC address. Which of the following statements is incorrect? (Single-answer question)
A. If the MAC address is found and the port corresponding to the MAC address in the MAC address table is the port through which the frame enters the switch, the switch discards the frame.
B. If the WAC address cannot be found, the switch floods the WAC address.
C. If the MAC address is found and the port corresponding to the MAC address in the MAC address table is not the port through which the frame enters the transfer machine, the switch performs the forwarding operation.
D. If the MAC address cannot be found, the switch discards the MAC address.
44. What are the characteristics of port-based VLAN division? (Single-answer question)
A. Add the BLAN label to the data frame based on the IP address carried in the packet.
B. Host moving location does not require VLAN reconfiguration
C. Host movement requires VLAN reconfiguration
D. VLAN IDs are allocated based on the protocol type and encapsulation format of the data packets.
To enable the STA to obtain SSID-related information on the AP, which of the following packets is used by the AP to actively declare the wireless network SSID information to externally?
(Single-answer question)
A. Join
B. Beacon
C. Discovery
D. Probe
Which of the following statements about an ACL on a router is correct? (Single-answer question)
A. All TCP packets with source IP address 192.168.2.1 and destination IP address 172.16. 10.1 match this rule.
B. Source IP address 192.168.2.1 All TCP packets with destination IP addresses 172.16. 10.2 match this rule.
C. All TCP packets with source IP addresses 172.16. 10.2 and destination IP addresses 192.168. 2.1 match this rule.
D. Source IP addresses 172.16. 10.2. All TCP packets with the destination IP address 192.168.2.0 match this rule.
Which of the following parameters cannot be used for advanced access control lists? (Single-answer question)
A. Time frame
B. Destination port number
C. Physical interface
D. Agreement No.
The network administrator wants to be able to effectively use the IP addresses of the 192.168. 176.0/25 network segment.
The Company's marketing department has
If there are 20 hosts, which of the following address segments is the best to be allocated to the marketing department? (Single-answer question)
A. 192.168.176.160/27
B. 192.168.176.0/25
C. 192.168.176.96/27
D. 192.168.176.48/29
Which of the following states is used by OSPF to indicate that the neighbor relationship has been established? (Single-answer question)
A. Completed
B. Down
C. 2-way
D. Attempt
Which of the following commands is correct for configuring a default route? (Single-answer question)
A. [huawei]ip route-static 0.0.0.0 0.0.0.0 0.0.0.0
B. [huawei]ip route-static 0.0.0.0 255.255.255.255 192.168.1.1
C. [huawei-SerialO]ip route-static 0.0.0.0 0.0.0.0 0.0.0.0
D. [huawei]ip route-static 0.0.0.0 0.0.0.0 192.168.1.1
When the AP and AC are on different Layer 3 networks, which of the methods is recommended for the AP to discover the AC? (Single-answer question)
A. DNS
B. Manually specified on the AP
C. DHCP
D. Mode of broadcasting
Which of the following phases is not included in PPPoE session establishment and termination? (Single-answer question)
A. Discovery stage
B. Data forwarding phase
C. Session phase
D. Session termination phase
The network administrator has captured a data frame on the network with a destination MAC address of 01-00-5E-A0-B1-C3. Which of the following statements about the MAC address are
correct? (Single-answer question)
A. It is a multicast MAC address.
B. It is a unicast MAC address.
C. It is an invalid MAC address.
D. It is a broadcast MAC address.
Which of the following commands can be used to query the OSPF configuration? (Single-answer question)
A. Run the display this command in the OSPF protocol view.
B. Display current-configuration
C. Display ospf peer
D. Dis ip routing-table
In the SNMP protocol, which port number is used by the agent process to send alarm messages to the NMS by default? (Single-answer question)
A. 161
B. 163
C. 164
D. 162
After the Fit AP obtains the AC IP address, which of the following operations is performed first? (Single-answer question)
A. CAPWAP tunnel establishment
B. Requesting a profile
C. Downloading a profile
D. Upgrade the software version.
Which of the following statements about active port selection in LACP mode are correct? (Single-answer question)
A. Compare the interface priorities first. If the interface priority cannot be determined, compare the interface number. The smaller the interface priority, the better the interface number.
B. Compare only interface priorities.
C. Comparing device priorities
D. Comparing only interface numbers
If the length/type of an Ethernet data frame is 0x8100, which of the following statements is correct? (Single-answer question)
The upper layer of the data frame must have an IP header.
This data frame must carry the VLAN tag.
The upper layer of the data frame must have a TCP header.
The upper layer of the data frame must have a UDP header.
Which of the following OSPF packets ensures the reliability of LSA updates? (Single-answer question)
LSR
DD
LSU
LSACK
On the network shown in the following figure, router A rejects the OSPF and ICMP packets received from G0/0/1 for security. Which of the following commands can implement this requirement?
A. acl number 3000
rule 5 deny 89
rule 10 deny icmp
#
interface GigabitEthernet0/0/1
traffic-filter inbound acl 3000
#
B. acl number 3000
rule 5 deny 89
rule 10 deny 1
#
interface GigabitEthernet0/0/1
traffic-filter inbound acl 3000
#
C. acl number 2000
rule 5 deny 89
rule 10 deny 1
#
interface GigabitEthernet0/0/1
traffic-filtet inbound acl 2000
#
D. acl number 3000
rule 5 deny ospf
rule 10 deny icmp
#
interface GigabitEthernet0/0/1
traffic-filtet inbound acl 3000
#
61. On the network shown in the following figure, STP is enabled on all switches. Disable G0/0/2 of SWA to configure the BPDU sending function. Then, G0/0/1 of SWC converges to the root port. Which of the
following statements about this process is correct?
A. SWB forwards TCN BPDUs to SWA.
B. SWB sends configuration BPDU with TCA set to SWC
C. The SWC sends a TCN BPDU to the SWB.
D. The SWA sends the configuration BPDU with TC set.
Which of the following statements about the routing table are correct?
A. The router forwards packets with the destination IP address 10.0.2.2 from Ethernet 0/0/0.
B. The NextHop of the destination network 10.0.3.3/32 is not directly connected. Therefore, the router will not forward the packets with the destination IP address 10.0.3.3.
C. The router forwards the packet with the destination IP address 10.0. 3.3 from Ethernet 0/0/0.
D. The router forwards the packets with the destination IP address 10.0. 12.1 from Ethernet 0/0/0.
As shown in the following figure, the router uses subinterfaces as the gateway IP address of the host gateway. Which of the following commands can meet this requirement?
A. interface GigabitEthernet0/0/0.20
dot1q termination vid 10
Ip address 10.0.12.2 255.255.255.0
arp broadcast enable
#
B. interface GigabitEthernet0/0/0.10
dot1q termination vid 10
Ip address 10.0.12.2 255.255.255.0
arp broadcast enable
#
C. interface GigabitEthernet0/0/0.20
dot1q termination vid 20
Ip address 10.0.12.2 255.255.255.0
arp broadcast enable
#
D. interface GigabitEthernet0/0/0.10
dot1q termination vid 20
Ip address 10.0.12.2 255.255.255.0
arp broadcast enable
#
Which of the following statements about the routing table output of a router is correct?
A. The outbound interface of the local router to 10.0.0.1 is Ethernet0/0/1.
B. The outbound interface of the local router to 10.0.0.1 is Ethernet0/0/0.
C. The outbound interface of the local router to 10.0.2.2 is Ethernet0/0/0.
D. The local router to 10.0. 2. The outbound interface of 2.2 is Ethernet0/0/1.
As shown in the following figure, all hosts can communicate with each other normally. Which of the following statements is correct?
A. G0/0/3 of SWB learns two MAC addresses.
B. G0/0/3 of SWA learns one MAC address.
C. G0/0/3 of SWA learns two MAC addresses.
D. G0/0/3 of SWA learns three MAC addresses.
Which of the following statements about OSPF are correct? (Multiple Choices)
The backbone area ID cannot be 2.
Before configuring an OSPF area, configure an IP address for the loopback interface of the router.
Area numbers from 0.0.0.0 - 255.255.255.255
All network routers should be declared in zone 0
Which of the following options are relevant for encapsulation and decapsulation? (Multiple Choices)
A. Shortening the packet length
B. Fault locating can be completed during encapsulation and decapsulation.
C. Encapsulation and decapsulation are important steps to implement different protocol functions.
D. Different networks can communicate with each other.
The controller is the core component of the SDN. The controller connects to devices through southbound interfaces. Which of the following is a southbound protocol of the controller? (Multiple Choices)
SNMP
OpenFlow
NETCONF
PCP
Which of the following statements about the output information of a device is correct? (Multiple Choices)
A. The VRP version of the device is VRP5.
B. The device has been running for 1 minute.
C. The slave MPU of the device runs normally.
D. The device name is Huawei.
Which operation must be performed to restore the initial configuration of an AR2200 router?
Restart the AR2200 router.
Clear the current configuration.
Reset the saved configuration.
Re-specify the configuration file for next startup.
Which of the following methods is correct for the administrator to update the VRP version of a Huawei router?
A. The administrator configures the router as an FTP server and transfers the VRP software through FTP.
B. The administrator sets the router as the FTP client and transfers the VRP software through FTP.
C. The administrator configures the router as a TFTP client and transfers the VEP software through TFTP.
D. Administrator Configures Router as TFTP Server, Transfers VRP Software via TFTP
Which of the following components of the SNMP? (Multiple Choices)
A. The managed object
B. Network management system
C. Management information base
D. Proxy process
What are the methods of adding APs to the AC? (Multiple Choices)
A. Importing APs offline
B. Manually confirm the APs in the list of unauthenticated APs.
C. Automatic AP discovery
D. Online adding
If an ACL rule is as follows, which of the following IP addresses can be matched by the permit rule rule 5 permit ip source 10.0.2.0 0.0.254.255? (Multiple Choices)
A. 10.0.4.5
B. 10.0.5.6
C. 10.0.6.7
D. 10.0.2.1
On a switch, which VLANs can be deleted using the undo command? (Multiple Choices)
A. Vlan 1
B. Vlan 2
C. Vlan 1024
D. Vlan 4094
Which of the following statements about the NFV architecture are correct? (Multiple-answer question)
A. VNFM is responsible for virtual network function management and VNF life cycle management.
B. NFVO (NFV Orchestrator), responsible for service orchestration
C. The MANO consists of the NFVO, VNFM, and VIM.
D. Virtualized Infrastructure Manager (VIM) is responsible for virtualizing infrastructure.
Which of the following types of IPv6 addresses are included? (Multiple Choices)]
A. Anycast address
B. Multicast address
C. Unicast address
D. Broadcast address
Which WLAN security policies support link authentication in open mode? (Multiple Choices)
A. WPA2-802.1X
B. WPA
C. WPA2-PSK
D. WEP
A DHCP server is deployed on the network. However, the administrator finds that some host do not obtain the IP addresses specified by the DHCP server. What are the possible causes?
(Multiple Choices)
A. Some hosts cannot communicate with the DHCP server. The client system of these hosts automatically generates IP addresses in the range 172.254.0.0.
B. Another DHCP server with higher efficiency exists on the network.
C. Some hosts cannot communicate with the DHCP server. The client system of these hosts automatically generates IP addresses in the range 169.254.0.0.
D. The address pool of the DHCP server has been allocated.
Which of the following parameters need to be considered when selecting a root port in STP? (Multiple Choices)
A. MAC address of the port
B. Port priority
C. Port slot number, for example, G0/0/1
D. Duplex mode of the port
E. Cost from the port to the root switch
If the length/type of an Ethernet data frame is 0x0806, which of the following statements is correct? (Multiple Choices)
A. The destination MAC address of the data frame may be FFFF-FFFF-FFF.
B. This data frame is an Ethernet II frame.
C. The source MAC address of the data frame must not be FFFF-FFFF-FFFF.
D. The data frame is an IEEE802.3 frame.
Which of the following protocols are dynamic routing protocols? (Multiple Choices)
A. Direct
B. static
C. BGP
D. OSPF
When routers run in the same OSPF area, which of the following statements about their LSDB and routing table are correct? (Multiple Choices)
A. All routers obtain the same link state database.
B. All routers obtain the same routing table.
C. Different routers obtain different link state databases.
D. Routers have different routing tables.
Which of the following packet types are included in DHCP? (Multiple Choices)
A. DHCP OFFER
B. DHCP REQUEST
C. DHCP ROLLOVER
D. DHCP DISCOVER
What are the stable states of OSPF neighbor relationships? (Multiple Choice)
A. 2-way
B. Full
C. Down
D. attempt
