WorksheetsTrue/False Questions: Networking Fundamentals (1-15)
Total questions: 85
Worksheet time: 43mins
In a broadcast network with four OSPF routers in one area and segment, OSPF elects one DR and multiple BDRs to enhance backup.
False because DRs are not elected
True because broadcast allows many backups
False since OSPF elects one DR, one BDR
True as OSPF supports multiple BDRs
Given two switches interconnected as shown, with trunk link-type and VLAN 10 allowed on both ends, frames tagged VLAN 10 will forward normally between the switches.
False due to missing native VLAN
True because pvid set to VLAN 10
True since VLAN 10 allowed both ends
False since trunk blocks tagged frames
A router’s table shows routes including 9.1.0.0/16 and 9.1.1.0/24. A packet to 9.1.1.1 matches 9.1.0.0/16 because it has a longer mask.
True due to /16 longest prefix
False since /24 is more specific
True because summary routes preferred
False as default route overrides
Using mkdir test in the VRP CLI will create a directory named test.
False due to VRP lacking mkdir
True as mkdir creates directories
False since mkdir creates files
True only with admin privilege
Network reliability in a campus can be improved using link aggregation and stacking.
False rely on single uplinks
True by aggregating and stacking
False these reduce reliability
True only for data centers
Telnetlib is a Python module that implements Telnet protocol functionality.
False Python lacks telnetlib
True telnetlib provides Telnet
True only in Python 3.12
False it implements SSH instead
In IPv4, hosts can obtain addresses using static assignment and DHCP.
True via static and DHCP
False DHCP is IPv6 only
True plus PPPoE methods
False only manual addressing
In the shown VRP configuration, user level is set to level 3 after applying privilege level 3 and password authentication.
True configuration sets level 3
False level changes need reboot
True only on VTY 0 users
False default remains level 0
On Huawei devices, if AAA is used and the remote server is unreachable, local authorization from the device can be used.
True local fallback applies
False AAA always blocks login
True only for console port
False requires server approval
By default, the root path cost of the STP root bridge must be 0.
True root path cost is 0
False default cost is 1
True only for Rapid STP
False cost depends on links
On the root bridge, all ports are designated ports.
False depends on timers
True only edge ports
False some are root ports
True root ports not present
In VRP, deleting a file with delete vrpfg.zip requires emptying the recycle bin to permanently remove it.
False rename then remove
True only for flash files
False delete is permanent
True recycle bin must empty
SNMP packets are carried over TCP.
False SNMP uses ICMP
False SNMP typically uses UDP
True SNMP uses TCP ports
True only for informs
With network address 192.168.10.0/24, the broadcast address is 192.168.10.255.
True broadcast 192.168.10.255
False broadcast 192.168.10.0
True broadcast 192.168.10.1
False broadcast 192.168.10.254
On AR routers, AAA templates like HWTACACS or RADIUS take effect only after being applied to a domain.
True only for RADIUS type
False templates auto apply
True apply to domain needed
False apply to interface only
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.
True
False
The backup port in RSTP can replace the faulty root port.
True
False
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.
True
False
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.
False
True
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.
True
False
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.
False
True
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.
True
False
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?
GE0/0/1 on switch A
GE0/0/2 on switch A
GE0/0/1 on HUB5
GE0/0/1 on switch B
The following 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?
Flood the data frame.
Discard the data frame.
The data frame is forwarded through Eth0/0/2.
Forward the data frame through Eth0/0/3.
As shown in the 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
C. acl number 2000 rule 5 permit source 10.0.12.1 0.0.0.0
B. acl number 2000 rule 5 permit source 10.0.13.0 0.0.0.255
D. acl number 2000 rule 5 permit source 10.0.13.1 0.0.0.0
As shown in the figure, all links are Ethernet links, and all interfaces of all routers run OSPF. How many DRs are elected on the entire network?
D. 3
C. 4
B. 2
A. 1
On the network shown, switches use VLANIF interfaces to connect to router sub-interfaces. Which configuration can meet this requirement?
A. 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
B. interface Vlanif10 ip address 10.0.12.1 255.255.255.0; interface GigabitEthernet 0/0/2 port link-type access port link-type access vlan 10
C. 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
D. 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 of the following statements about the network topology are correct?
A. This network has 6 broadcast domains
C. This network has 6 collision domains
D. This network has 2 broadcast domains
B. This network has 12 collision domains
On the network shown, the router receives data packets with destination IP addresses 11.0 and 12.1 from host A. After forwarding by the router, the destination MAC address and destination IP address are 0 respectively. Which is correct?
A. MAC-C, 11.0/21
B. MAC-C, 11.0/12.1
C. MAC-D, 10.0/12.2
D. MAC-D, 11.0/12.1
How many bits are there in the VLAN ID in the VLAN format defined by IEEE802.1Q?
D. 8
A. 12
B. 6
C. 10
What is the port number used by the FTP protocol control plane?
D. 22
C. 21
B. 24
A. 23
By default, in the SNMP protocol, which port number does the agent process use to send alarm messages to N5?
D. 165
A. 161
B. 163
C. 162
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?
B. If the MAC address cannot be found, the switch floods the MAC address
A. If the MAC address is found and the port corresponding to it is the port where the frame entered the switch, the switch discards the frame
C. If the MAC is found and the corresponding port is not the ingress port, the switch forwards the frame
D. If the MAC address cannot be found, the switch discards the MAC address
What are the characteristics of port-based VLAN division? (Single-answer question)
Host movement requires VLAN reconfiguration.
Host moving locations does not require VLAN reconfiguration.
VLAN IDs are allocated based on the protocol type and encapsulation format of the data packets.
Add the VLAN label to the data frame based on the IP address carried in the packet.
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)
Discovery
Beacon
Join
Probe
Which of the following statements about an ACL on a router is correct? (Single-answer question)
Source IP address 192.168.2.1 All TCP packets with destination IP address 172.16.2.1 do not match this rule.
Source IP addresses 172.16.10.2 All TCP packets with the destination IP address 192.168.2.1 do match this rule.
All TCP packets with source IP addresses 172.16.10.2 and destination IP addresses 192.168.2.1 match this rule.
All TCP packets with source IP address 192.168.2.1 and destination IP address 172.16.2.1 match this rule.
Which of the following parameters cannot be used for advanced access control lists? (Single-answer question)
Physical interface
Destination port number
Agreement No.
Time frame
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 20 hosts, which of the following address segments is the best to be allocated to the marketing department? (Single-answer question)
192.168.176.160/27
192.168.176.96/27
192.168.176.96/27
192.168.176.96/29
Which of the following states is used by OSPF to indicate that the neighbor relationship has been established? (Single-answer question)
Completed
Attempt
Down
2-way
Which of the following commands is correct for configuring a default route? (Single-answer question)
[Huawei]ip route-static 0.0.0.0 0.0.0.0 192.168.1.1
[Huawei-Serial0/0]ip route-static 0.0.0.0/0 0.0.0.0
[Huawei]ip route-static 0.0.0.0 255.255.255.255 192.168.1.1
[Huawei]ip route-static 0.0.0.0 0.0.0.0 0.0.0.0
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)
Mode of broadcasting
DHCP
Manually specified on the AP
DNS
Which of the following phases is not included in PPPoE session establishment and termination? (Single-answer question)
Session termination phase
Data forwarding phase
Discovery stage
Session 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)
It is a multicast MAC address.
It is a unicast MAC address.
It is an invalid MAC address.
It is a broadcast MAC address.
Which of the following commands can be used to query the OSPF configuration? (Single-answer question)
Run the display this command in the OSPF protocol view.
Display current configuration.
Display ospf peer.
Display 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)
161
164
162
163
After the FIT AP obtains the AC IP address, which of the following operations is performed first? (Single-answer question)
Downloading a profile
Requesting a profile
CAPWAP tunnel establishment
Upgrade the software version.
Which of the following statements about active port selection in LACP mode are correct? (Single-answer question)
Compare only interface priorities.
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.
Comparing only interface numbers.
Comparing device priorities.
58. 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 a TCP header.
The upper layer of the data frame must have a UDP header.
This data frame must carry the VLAN tag.
The upper layer of the data frame must have an IP header.
59. Which of the following OSPF packets ensures the reliability of LSA updates? (Single-answer question)
LSACK
LSR
DD
LSU
60. 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?
acl number 3000 rule 5 deny ip rule 10 deny ip interface GigabitEthernet0/0/1 traffic-filter inbound 2000
acl number 3000 rule 5 deny ip rule 10 deny ip interface GigabitEthernet0/0/1 traffic-filter inbound acl 3000
acl number 2000 rule 5 deny ip rule 10 deny ip interface GigabitEthernet0/0/1 traffic-filter inbound 2000
acl number 3000 rule 5 deny tcp rule 10 deny icmp interface GigabitEthernet0/0/1 traffic-filter 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?
SWA forwards TCN BPDUs to SWA.
SWB sends configuration BPDU with TC set to SWC.
The SWC sends a TCN BPDU to the SWB.
The SWA sends the configuration BPDU with TC set.
62. Which of the following statements about the routing table are correct?
The router forwards packets with the destination IP address 10.0.2.2 from Ethernet 0/0/0.
The router forwards the packets with the destination IP address 100.1.2.1 from Ethernet 0/0/0.
The NextHop of the destination network 10.3.1.3/29 is not directly connected. Therefore, the router will not forward the packets with the destination IP address 10.0.3.3.
The router forwards the packet with the destination IP address 100.3.3 from Ethernet 0/0/0.
63. 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?
interface GigabitEthernet0/0/0 bridge termination no ip address 10.0.2.2 255.255.255.0 arp broadcast enable
interface GigabitEthernet0/0/0.20 dot1q termination vid 20 ip address 10.0.2.2 255.255.255.0 arp broadcast enable
interface GigabitEthernet0/0/0.10 dot1q termination vid 20 ip address 10.0.2.2 255.255.255.0
interface GigabitEthernet0/0/0 dot1q termination vid 20 ip address 10.0.2.2 255.255.255.0 arp broadcast enable
64. Which of the following statements about the routing table output of a router is correct?
The outbound interface of the local router to 10.0.0.1 is Ethernet0/0/0.
The local router to 10.0.2. The outbound interface of 2.2 is Ethernet0/0/1.
The outbound interface of the local router to 10.0.2.2 is Ethernet0/0/0.
The outbound interface of the local router to 10.0.0.1 is Ethernet0/0/1.
65. As shown in the following figure, all hosts can communicate with each other normally. Which of the following statements is correct?
G0/0/1 of SWB learns two MAC addresses.
G0/0/1 of SWA learns two MAC addresses.
G0/0/1 of SWA learns four MAC addresses.
G0/0/1 of SWB learns three MAC addresses.
66. Which of the following statements about OSPF are correct? (Multiple Choices)
The backbone area ID cannot be 2.
Area numbers from 0.0.0.0–255.255.255.255
All network routes should be declared in one OSPF area.
Before configuring an OSPF area, configure an IP address for the loopback interface of the router.
67. Which of the following options are relevant for encapsulation and decapsulation? (Multiple Choices)
Fault locating can be completed during encapsulation and decapsulation.
Shortening the packet length
Encapsulation and decapsulation are important steps to implement different protocol functions.
Different networks can communicate with each other.
68. 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)
PCP
OpenFlow
SNMP
NETCONF
Which of the following statements about the output information of a device is correct? (Multiple Choices) •huawei-display version Huawei Versatile Routing Platform Software VRP (Software Version 5.130 (AR2200 V200R003C00) Huawei AR2200 Router uptime is 0 week, 0 day, 0 hour, 1 minute BSP version information 1. PCB Version: AR60A2A VER.NC 2. PI Supporting: POE No 3. Board Type: AR2200 4. MPU Slot Quantity: 0 5. LPU Slot Quantity: 6 MPU(master) uptime is 0 week, 0 day, 0 hour, 1 minute MPU Version information: 1. PCB Version: AR01S02A VER.NC 2. Main Version: – 3. Board Type: AR2200 4. MPU Slot Quantity: 0 5. LPU Slot Quantity: 6
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 of the following operations must be performed to restore the initial configuration of an AR2200 router? (Multiple-answer question)
C. Restart the AR2200 router.
D. Re-specify the configuration file to be loaded at the next startup.
B. Clear the current configuration.
A. Reset the saved configuration.
Which of the following methods is correct for the administrator to update the VRP version of a Huawei router?
D. Administrator Configures Router as TFTP Server, Transfers VRP Software via TFTP
C. The administrator configures the router as a TFTP client and transfers the VRP software through TFTP.
B. The administrator sets the router as the FTP client and transfers the VRP software through FTP.
A. The administrator configures the router as an FTP server and transfers the VRP software through FTP.
Which of the following components of the SNMP? (Multiple Choices)
C. Management information base
D. Proxy process
A. The managed object
B. Network management system
What are the methods of adding APIs 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. 10.0.3.6
C. 10.0.6.7
D. 10.0.2.1
On a switch, which VLANs can be deleted using the undo command? (Multiple Choices)
B. Vlan 2
A. Vlan 1
D. Vlan 4094
C. Vlan 1034
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)
C. Unicast address
B. Multicast address
D. Broadcast address
A. Anycast address
Which WLAN security policies support link authentication in open mode? (Multiple Choices)
B. WEP
A. WPA2-802.1X
D. WEP
C. WPA2-PSK
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)
C. Some hosts cannot communicate with the DHCP sever. The client system of these hosts automatically generates IP addresses in the range 169.254.0.0.
B. Another DHCP sever with higher efficiency exists on the network.
A. Some hosts cannot communicate with the DHCP sever. The client system of these hosts automatically generates IP addresses in the range 172.25.40.0.
D. The address pool of the DHCP sever has been allocated.
Which of the following parameters need to be considered when selecting a root port in STP? (Multiple Choices)
B. Port priority
C. Port slot number, for example, GE0/0/1
A. MAC address of the port
E. Cost from the port to the root switch
D. Duplex mode of the port
If the length/type of an Ethernet data frame is 0x0806, which of the following statements is correct?
The data frame is an IEEE802.3 frame.
The source MAC address of the data frame must not be FFFF-FFFF-FFFF.
The destination MAC address of the data frame may be FFFF-FFFF-FFFF.
This data frame is an Ethernet II frame.
Which of the following protocols are dynamic routing protocols?
Direct
static
BGP
OSPF
When routers run in the same OSPF area, which of the following statements about their LSDB and routing table are correct?
Routers have different routing tables.
All routers obtain the same routing table.
Different routers obtain different link state databases.
All routers obtain the same link state database.
Which of the following packet types are included in DHCP?
DHCP OFFER
DHCP REQUEST
DHCP DISCOVER
DHCP ROLLOVER
What are the stable states of OSPF neighbor relationships?
2-way
Down
Attempt
Full
