Which of the following statements are true about STP BPDUs STP has two types of packets: configuration BPDU and TCN BPDU After STP is enable on a port, the switch periodically sends TCN BPDUs through the designated port BPDUs are encapsulated in Ethernet frames and the destination MAC address is a multicast MAC address During initialization, each switch enabled with STP proactively sends configuration BPDUs.
Which of the following port states are included in Rapid Spanning Tree Protocol (RSTP)? Forwarding Learning Discarding Listening.
Which of the following statements are true about PPP? PPP support both synchronous and asynchronous links at the physical layer The scalability of PPP is low, so PPP cannot be deployed on Ethernet links PPP supports various network layer protocols, such as IPCP and IPXCP In PPP, multiple physical links can be bound to one logical link to increase bandwidth.
Which of the following statement is true about root bridge election of STP? If the bridge priorities of device are the same, the device with the largest MAC address becomes the root bridge The device with the largest bridge priority becomes the root bridge The device with the smallest bridge priority becomes the root bridge If the bridge priority are the same, the device with the largest number of ports becomes the root bridge.
To provide the information about the IP addesses that a user packet traverses along the path to the destination, which of the following does Tracert record in each expired ICMP TTL packet Destination port Source port Destination IP address Source IP address.
In the case of Huawei router, the Tracert commands uses UDP to encapsulate probe packates TRUE FALSE.
What is the total length of the port ID in STP 2 bits 4 bits 8 bits 16 bits.
In a broadcast address, all host bits are set to 1 and a broadcast address can be used as a host address TRUE FALSE.
Which of the following is the full name of VRP? Versatile Routing Platform Virtual Routing Platform Versatile Routing Protocol Versatile Redundancy Platform.
According to the following configuration of Router C, how many Global unicast address prefixes are advertised by Router C?
Huawei]display ospfv3 interface GigabitEthernet 0/0/0 GigabitEthernet0/0/0 is up, line protocol is up Interface ID 0x3
Interface MTU 1500 IPv6 Prefixes FE80::2E0:FCFF:FE59:3498 (Link-Local Address) 2003::1/64 2005::1/64
2009::1/64
OSPFv3 Process (1), Area 0.0.0.0, Instance ID 0
Router ID 10.0.4.4, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State Backup, Priority 1 Designated Router (ID) 10.0.2.2
Interface Address FE80::2E0:FCFF:FEBB:6CF9
Backup Designated Router (ID) 10.0.1.1 Interface Address FE80::2E0:FCFF:FEC6:4A10 1 2 3 4.
If a device running STP receives an RSTP configuration BPDU, it discards the BPDU TRUE FALSE.
On the network shown in figure, the host has ARP cache. Which of the following statement are true? A static route needs to configured on the router. Otherwise , Host A and Host B cannot communicate with each other Host A and B can communicate with each other The following ARP cauche entry exist on HOST A 11.0.12.1 MAC-B
The following ARP cauche entry exist on HOST A 10.0.12.2 MAC-C
.
which of the following options is not a segment routing (SR) label action? Push Swap POP switch.
An Eth-Trunk interface can be used only as a layer 2 interface TRUE FALSE.
Which of the following commands can be used to change the device name to huawei ? sysname huawei hostname huawei rename huwei do name huawei.
What are the advantage of the PPP protocol? A. PPP supports both synchronous transmission and asynchronous transmission B. PPP support negotiation of link layer parameters C. PPP support negotiation of network layer parameters D. PPP support authentication.
IPv6 interface do not forward received data packets whose “Hop Limit” field is set to 1? TRUE FALSE.
Which of the following statement about gratuitous ARP packet are true? A system can determine whether conflicting IP addresses are used by sending a gratuitous ARP packet A gratuitous ARP packet uses the same format as an ARP request packet A gratuitous ARP packet can help to update an IP address A gratuitous ARP packet uses the same format as an ARP reply packet.
Which of the following packet types are DHCPv6 packet types? A. Solicit B. Advertise C. Discover D. Offer.
Which of the following network types does OSPF support ? Point- to- point Broadcast Non- Broadcast Multi - Access Point -to- Mutilpoint.
What is the default interval for sending OSPF Hello packets on a broadcast network? 10s 20s 30s 40s.
The maximum number of VTY user interfaces determines how many users can log in to the device through Telnet or STelnet at the same time. TRUE FALSE.
Refer to the graphic, which of the following statement are true about VLAN configuration on Huawei Switches? Client 1 belongs to VLAN 10 and the VLAN assignment command on LSW1 is correct Client 2 belongs to VLAN 20 and the MAC address based VLAN assignment command on LSW1 is correct Client 3 belongs to VLAN 30 and the VLAN assignment command on LSW1 is correct Client 4 belongs to VLAN 40 and the VLAN assignment command on LSW1 is correct.
What is the UDP port number used by the DHCPv6 server? 546 547 548 549.
A Company applies for a class C IP address for subnetting. It has six branches and the largest branch should have 26 host. What would be an appropriate subnet mask for the largest branch? 255.255.255.0 255.255.255.128 255.255.255.192 255.255.255.224.
Which of the following IPv6 addresses corresponds to the solicited -node multicast address of FF02::1:FFAB:FECA? 2020::FFAB:FECA 2020::EEAB:FECA 2020::FFBA:FECA 2020::FFBA:FECA.
On an STP- enabled switch, TCN BPDUs are sent only when a port on the local switch is faulty? TRUE FALSE.
Which of the following IPv4 addresses can be directly used by a host to access the internet ? 192.168.1.1/24 10.255.255.254/24 172.16.255.254/24 172.32.1.1/24.
Which of the following statement about IPv6 anycast addresses are true? Packet destined for an anycast address are sent to the nearest interface identified based on routing distance Anycast and Unicast address space use the same address space IPv6 anycast addresses provide redundancy functions of services IPv6 anycast address implement load balancing for services.
Which of the following layers are not included in the TCP/IPv4 model? Application layer Session layer Presentation layer Network layer.
The administrator wishes to configure OSPF on a router in the network, however the router has no loopback interface. Which value will be used as the router ID The lowest IP address of the router's active interface The highest IP address of the router's interface The IP address of the management interface The priority value of the router.
When a switch port receives a frame that does not carry a VLAN tag, it must add a PVID to the frame. TRUE FALSE.
Which of the following statements is true about an STP-enable port in forwarding state? The port forward user traffic and processes BPDUs The port only receive and processes BPDUs and does not forward user traffic The port does not process BPDUs or forward user traffic The port creates MAC address entries based on the received user traffic but does not forward user traffic.
The broadcast address of the subnet 192.168.1.0/25 is 192.168.1.128 TRUE FALSE.
The Output of the "display ospf peer" command on a router is as follows. Which of the following statements are true?
[Huawei]display ospf peer
OSPF Process 1 with Router ID 10.0.2.2 Neighbors
Area 0.0.0.0 interface 10.0.12.2(GigabitEthernet0/0/0)'s neighbors
Router ID: 10.0.1.1Address: 10.0.12.1 State: Full Mode:Nbr is Master Priority: 1 DR: 10.0.12.2 BDR:
10.0.12.1 MTU: 0
Dead timer due in 40 sec
Retrans timer interval: 5 Neighbor is up for 00:00:09 Authentication Sequence: [ 0 ] The Router ID of the router is 10.0.2.2 The Local Router is DR The Router ID of the router is 10.0.1.1 The Interface address of the local router is 10.0.12.2.
Which field in the IPv6 packet header can be used for QOS? Traffic Class next header version Payload length.
The loop protection function provided by RSTP can take effect only on designated port TRUE FALSE.
Which of the following statements are true according to the following configuration?
<Router D>Display ospfv3 peer 10.0.3.3 verbose OSPFv3 Process(1) Neighbor 10.0.3.3 is 2-way, interface address FE80:2E0:FCFF:FE48:4EC8 In the area 0.0.0.0 via interface GE0/0/0
DR priority is 1 DR is 10.0.2.2 BDR is 10.0.1.1 options is 0x000013 (-|R|-|-|E|V6)
Dead timer due in 00:00:35 neighbour is up for 00:00:00 The Local router is a DR Router The Router ID of DR is 10.0.2.2 The Router ID of DR is 10.0.1.1 The Local Router and the router Whose router ID is 10.0.3.3 cannot directly exchange link state information.
IPv6 uses NS and NA packets to perform duplicate address detection(DAD) TRUE FALSE.
The following commands output is displayd on an STP port on a swith. Which of the following statements is false?
<Huawei>display stp interface GigabitEthernet 0/0/1
-------[CIST Global Info][Mode STP] CIST Bridge:32768.4c1f-cc93-3356
Config Times:Hello 4s MaxAge 20s FwDly 15s MaxHop 20
Active Times:Hello 2s MaxAge 20s FwDly 15s MaxHop 20 CIST Root/ERPC:0 .4c1f-cc7f-3216 / 0
CIST RegRoot/IRPC :32768.4c1f-cc93-3356 / 0The interval at which the port sends configuration BPDUs is 2 seconds The Max Age timer for configuration BPDUs is set to 20 seconds The Forward Delay timer is set to 20 seconds The switch is not a root bridge.
The Following Figure shows the network topology and OSPF area partition. Router R2, R3 and R4 are OSPF ABR's but R1 is Not? TRUE FALSE.
Which username and password will be used by the peer router to perform PPP link authentication? aaa
local-user test password cipher test
local-user test service-type ppp
local-user test1 password cipher test1 local-user test1 service-type telnet local-user test2 password cipher test2 #
interface Serial1/0/0 link-protocol ppp ppp authentication-mode chap
ip address 10.0.12.1 255.255.255.0
user name:test Password: test user name:test1 Password: test1 user name:test2 Password: test2 user name:test2 Password: test.
Which of the following packets are used by the DHCPv6 client and DHCPv6 server to determine whether the client uses DHCPv6 stateful autoconfiguration or DHCPv6 stateless autoconfiguration? RS RA NS NA.
When Forwarding a data packet, a router need to change the destination IP address of the data packet? TRUE FALSE.
Which of the following packets is used by the DHCPv6 server to reply to solicit packets ? A. Advertise B. Offer C. Reply D. Request.
Which of the Following statement about the configuration of the G0/0/1 interface on router A is/are true?
Acl number 3000
rule 5 deny 17
rule 10 deny 89
rule 15 deny 6
Interface GigabitEthernet 0/0/1 traffic-filter inbound acl 3000 This interface can establish OSPF neighbor relationships with other routers This interface does not forward received FTP packets. This interface does not forward received SNMP packets. This interface does not forward ICMP packets.
Which of the following statements about the link aggregation are true? Eth-Trunk interface cannot be nested GE electrical interface and GE optical interface cannot be added to the same Eth-Trunk interface GE interface and FE interfaces cannot be added to the same Eth-Trunk interface Devices at both ends of an Eth-trunk must use the same link-aggregation mode.
The Router ID of the OSPF enabled router must be same as the IP address of an interface on the router? TRUE FALSE.
Layer 2 switches are data link layer devices that identify MAC addresses of Layer 2 data frames and forward Layer 2 data frames based on MAC addresses. In addition, they record mappings between MAC addresses and
interfaces in the MAC address table. TRUE FALSE.
In STP , when a designated port receives an inferior configuration BPDU, the designated port immediately sends its own configuration, BPDU to the downstream device? TRUE FALSE.
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