Which of the following parameters is used to elect Root Bridge in STP? Bridge ID Port ID Root Path Cost System Name of the Switch.
According to the figure, which of the following statements is true? The IP address mask of host A is different from that of host B, therefore Host A & B cannot communicate with each other Host A can successfully ping Host B The broadcast address of Host A and Host B are the same Host A and B can communicate with rach other only when the IP address of Host A and Host B have same masks.
Routing Table: Public Destination: 4 Route: 4
Destination/Mask Proto Pre Cost Flags NextHop Interface Proto indicates the routing protocol used to learn the route Destination/Mask indicates the address and mask length of a destination network or host NextHop indicates the local interface address of the route Pre indicate the priority of the routing protocol.
DHCPv6 Packet are carried using () packets? UDP TCP HTTP FTP.
The VLAN ID cannot be set to 0 TRUE FALSE.
Which of the following bits are used in the Flag field in the RSTP configuration BPDU but not used in the Flag field in the STP TCA TC Proposal Agreement.
As shown below, the routing table ofthe router consists of direct routes and static routes?
<Huawei>display ip routing-table
Route Flags: R - relay, D - download to fib
Routing Tables: Public Destinations : 7Routes : 7
Destination/Mask Proto Pre CostFlags NextHopInterface 1.1.1.1/32 Static 60 0D 100.1.1.1GigabitEthernet 0/0/0 10.0.0.2/24 Direct 0 0D 100.1.1.1.GigabitEthernet 0/0/0 10.1.1.255/32 Direct 0 0D 127.0.0.1GigabitEthernet 0/0/0 127.1.1.1/8 Direct 0 0D 127.0.0.1InLoopBack0 127.1.1.2/32 Direct 0 0D 127.0.0.1InLoopBack0 TRUE FALSE.
Which of the following is not the reason why RSTP can increase the convergence speed P/A mechanism Edge port Quick transition between root port state The Forward Delay timer is canceled.
According to OSI reference model, which layer is responsible for end to end error checking and flow control? A. Physical Layer B. Data Link Layer C. Network Layer D. Transport Layer.
Which of the following parameters can be allocated to clients in DHCPv6 statefull autoconfiguration? IPv6 Address DNS Address PD prefix MAC address.
Which of the following service modules has/have the ACL with the default action of permit? telnet HTTP SNMP flow policy.
A switch receives a VLAN tagged fame, but the destination MAC address can't be found in the switch's MAC address table, how will the switch react ? The switch will broadcast this frame to all ports. The switch will broadcast this frame to all ports in this VLAN. The switch will broadcast this frame to all access ports in this VLAN. The switch will discard this frame.
Which of the following must be consistent at both ends of an OSPF adjacency relationship to be established Router Priority Router Dead Interval Router ID Area ID.
ACLs on AR G3 series routers , support configuration and auto sequence TRUE FALSE.
A DHCPv6 client send a ( ) packet to a DHCPv6 server to request an IPv6 address and network configuration parameters Discover Solicit Advertise Request.
Which of the following statements about the static route preference on huawei devices is false? Static route preferences range from 0 to 255 Default static route preference is 60 Static route preference is either internal or external. Administrators can modify external preferemces. If static route preference is 255, the route cannot be used.
The Routing table on R1 is as follows. Which of the following statement is true?
<Huawei>display ip routing-table
Route Flags: R - relay, D - download to fib
Routing Tables: Public Destinations : 7Routes : 7 Destination/Mask Proto Pre CostFlags NextHopInterface 10.0.2.2/32 Static 600D10.0.12.2Ethernet0/0/0
10.0.3.3/32 Static 600D10.0.2.2Ethernet0/0/0
10.0.12.0/24 Direct 00D10.0.12.1Ethernet0/0/0
10.0.12.1/32 Direct 0 0D 127.0.0.1Ethernet0/0/0 The Next hope of route destined for 10.0.3.3/32 is not directly connected. As a result, the router does not forward data packets with the destination IP address 10.0.3.3 The Router forwards data packets with the destination IP address 10.0.3.3 through Eth0/0/0 The Router forwards data packets with the destination IP address 10.0.2.2 through Eth0/0/0 The Router forwards data packets with the destination IP address 10.0.12.1 through Eth0/0/0.
If the DHCPv6 client and DHCPv6 server reside on different links, a DHCPv6 relay agent is required? TRUE FALSE.
As define in RSTP to improve the convergence speed you can define the port that is directly connected to a terminal as the ( ) Fast port Backup port Root port Edge port.
On P2P networks , OSPFv3 does not need to send DD packets when establishing an OSPFv3 adjacency? TRUE FALSE.
OSPF allows for "multiple" processes By default, OSPF selects a process whose number is ( ) 0 1 10.
Which commands can be used to check the PPPoE client session status? display ip interface brief display current – configuration display pppoe-client session packet display pppoe-client session summary.
How does a trunk port process data frames? If the VLAN ID is the same as the PVID of the port and the port allow traffic with this VLAN ID to pass through the port removes the VLAN tag from the data frames and forward them If the VLAN ID is different from the PVID of the port the port removes the VLAN tag from the data frames and then forwards them If the VLAN ID is different from the PVID of the port, the port replaces the VLAN tag of the data frames and then forward them When the VLAN ID is different from the PVID of the port, the port discard the data frames.
For multiple paths to the same destination network, the router needs to compare cost values of the paths. If the cost value are the same the router selects the path based on the preference value TRUE FALSE.
In the DHCPv6 stateless autoconfiguration solution, hosts do not need to send any DHCPv6 packet TRUE FALSE.
In the MPLS domain, the Full Name of LER is label egress router. A. TRUE B. FALSE.
SNMPv1 defines five protocol operations TRUE FALSE.
As Shown in figure, all switches run STP. When a topology is stable, Power off SWA. Which of the following statements are true? A. SWC immediately sends a TC-BPDU through G0/0/1 B. SWC send configuration BPDU through G0/0/1 after the max age timer expires. C. SWB periodically sends Configuration BPDUs through G0/0/1 D. SWC and SWB immediately re-elect the root bridge.
Which of the following field is/are contained in an IPv6 packet header? Version Traffic Class Next Header TOS.
An AR2200 router is required to be configured from scratch. Which step are needed to achieve this? A. Reset the saved configuration B. Clear the current configuration C. Reboot the AR2200 D. Assign the configuration file to be used at next startup.
In the PPP frame format, the Protocol field is 0xC223. What is the protocol LCP NCP PAP CHAP.
If the network administrator does not configure the backbone area, the router automatically make up the backbone area. TRUE FALSE.
As shown in the figure the host has ARP cache. Host A sends a data packet to host B. Which of the following are the destination MAC address and destination IP address of the data packet? MAC –A, 11.0.12.1 MAC –B, 11.0.12.1 MAC –C, 11.0.12.1 MAC –C, 11.0.12.2.
Refer to the graphic, the static NAT command is executed on R1. When a PC connected to R1 accesss the Internet, the destination address in the packet does not change?
[R1]nat static global 202.10.1.3 inside 192.168.0.2 netmask 255.255.255.255 TRUE FALSE.
When the IPsec data encapsulation mode is tunnel mode, the IP address of the intranet host is hidden. In this way the security of the entire original data packet is protected. TRUE FALSE.
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. TRUE FALSE.
According to the topology and configuration of the interconnected interface of switches shown in the figure,the data frame tagged with VLAN 10 can be forwarded correctly between two switches.
[LSW1]interface GigabitEthernet0/0/1
[LSW1-interface GigabitEthernet0/0/1]port link-type trunk [LSW1-interface GigabitEthernet0/0/1]port trunk pvid vlan 20
[LSW1-interface GigabitEthernet0/0/1]port truck allow-pass vlan 10 #
[LSW2]interface GigabitEthernet0/0/1
[LSW2-interface GigabitEthernet0/0/1]port link-type trunk [LSW2-interface GigabitEthernet0/0/1]port trunk pvid vlan 10
[LSW2-interface GigabitEthernet0/0/1]port truck allow-pass vlan 10 #
TRUE FALSE.
Refer to the graphic. Four Switch are operating using STP. If port interface G0/0/2 on switch C fails, How long will it take for the 'Blocked' interface to change to a state of forwarding? 30 Seconds 50 Seconds 15 Seconds 3 Seconds.
Compared with IPv4 headers, IPv6 header do not contain the IHL field TRUE FALSE.
When the “delete vrpcfg.zip” command is run on the user interface of the Versatile Routing Platform (VRP), the file can be permanently deleted only after it is cleared from the recycle bin. TRUE FALSE.
The administrator wishes to change name of the router, Under which view should the administrator be in order to achieve this? User-view System-view Interface-view Protocol-view.
The routers in the backbone area have information about all the LSDBs of other areas. TRUE FALSE.
Which of the following field is added to the IPv6 packet header compared with the IPv4 packet header Source Address Destination Address Version Flow Label.
The IPv6 Address 2001:ABEF:224E:FFE2:BCC0:CD00:DDBE:8D58 can not be abbreviated TRUE FALSE.
What is the default least time of the IP address allocated by the DHCP server 1 hour 12 hour 18 hour 24 hour.
Which is the default value of switch priority when STP is enabled on Huawei switch 4096 8192 16384 32768.
Which of the following parameters is used for master/slave role election of OSPF? Router ID Interface IP address Sequence for protocols to Start OSPF Process ID.
IF the EUI-64 address CA93-93FF-FE7B-057B is calculated based on a MAC address, what is the MAC address? C89E-9D7B-057B CA9E-9D7B-057B A89E-9D7B-057B C89E-9DFF-057B.
If the packet matches the deny rule in an ACL, the packet is discarded TRUE FALSE.
In Huawei Devices, when NAPT uses a dynamic address pool, addresses in the pool can be used repeatedly.
That is, one IP address can be mapped to multiple intranet IP addresses TRUE FALSE.
On the Versatile Routing (VRP), which of the following commands is used to display the current interface configuration in the interface view? display users display version display ip interface brief display this.
Which of the following statements is true about the forward Delay timer of STP? Improves the STP convergence speed Reduces the interval for sending BPDUs Prevent temporary loops Delay is required when a port transitions between Blocking and Disabled.
MPLS dual-label stacking packets are ( ) bytes longer than original IP packets 4 8 16 32.
A trunk interface and a hybrid interface process packet in the same way when receiving data frames? TRUE FALSE.
Which of the following statements are true about the default route? If the destination address of a packet does not match any entry in the routing table, the packet is forwarded through the default route In a routing table, the route to 0.0.0.0 (with the mask being 0.0.0.0) is the default route The routing table of any router must contain the default route The default route can only be manually configured by the administrator.
When configuring a static route on a broadcast interface , you must specify the next -hop IP address. TRUE FALSE.
If AAA authentication is used on Huawei devices and the remote server does not respond , the authentication can be performed on network devices? TRUE FALSE.
An ACL does not filter traffic generated by the huawei device towards other devices, but only filters forwarded traffic including traffic generated by other devices to access the Huawei device. TRUE FALSE.
A DHCP Offer packet can carry only one DNS server address? TRUE FALSE.
NAPT differentiates IP addresses of different users based on protocol ID in TCP,UDP, or IP packet? TRUE FALSE.
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