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After the network administrator uses the Tracer tRoute function on the router device, in the data packet sent by the router, the value of the Protoco1 field in the IPv4 header is?
In a Layer 2 network with redundant links, which of the following protocols can be used to avoid loops?
In the network shown in the figure, which of the following descriptions is correct? () (Multiple Choice Questions)
The DHCPv6 server supports the provision of other configuration information such as DNS server addresses for the host. ()
What kind of message does the OSPF protocol use to confirm the received LSU message? ()
The following statement about static routing in Huawei equipment is wrong ().
UDP is oriented to connectionless and must rely on () to ensure the reliability of transmission. ()
If the MAC address of an interface is 0OEO-FCEF-OFEC, what is its corresponding EUI-64 address? ()
After the administrator successfully logs in to the router through Telnet, it is found that the router's interface P address cannot be allocated, then the possible reasons are ()
As shown in the figure below. All switches enable the $P protocol and keep other configurations in their default state. When the network is stable, are the following statements correct? () (Multiple Choice Questions)
The administrator cannot log in to the Huawei router through Telnet, but other administrators can log in normally, so which of the following are the possible reasons? ()*
Which of the following MAC addresses cannot be used as the MAC address of the host network card? ()*
Which authorization modes are supported by AAA on Huawei ARG3 series routers? ()*
Which of the following statements about RA. and RS messages in IPv6 are correct? ()*
The route entry 10.0.0.24/29 may be aggregated from which of the following subnet routes? ()*
The output information of the sub-interface of a certain router's aggregation port 1 is shown in the figure. Based on this information, which of the following statements is correct? ( )
[Router A] display Interface Eth-Trunk 1.100Eth-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, ARSeries, 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, Hardwareaddress 1s 00e0-fc3b-2015 Current system time:2019-03-04 10:24:29-08:00 Last 300 seconds input rate0 bits/sec.0 packets/sec Last 300 seconds output rate 0 bits /seC.0 packets/sec Realtime 0 seconds inputrate 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*
The network is shown in the figure below. The router uses a sub-interface as the host gateway. The gateway IP address is 10.0.12.2. Which of the following commands can achieve this requirement? () (Multiple Choice Questions)
Which of the following statements about IPv6 RA. and RS messages are correct? ()
What is RouterDeadInterval of the OSPF protocol on the broadcast network by default? ()
To provide different network services for different users on the AP, which of the following can be configured?
VRP operating platform, which of the following commands can only view static routes? ()
If it is UDP, the value of the protocol field of the network layer is 6 ()
All interfaces of routers running 0SPF protocol must belong to the same area. ()
AP does not need AC. It can independently complete the work of wireless user access, wireless user authentication, and business data forwarding.
By default, in the SNMP protocol, which port number does the agent process use to send alarm messages to N? ()
It is known that there are two entries in the routing table of a router. If the router wants to forward packets with the destination address of 9.1.4.5, the correct one of the following statements is ()
1. Choose the second item as the best matching item, because the cost of the RIP protocol is small
2. The second item is selected as the best matching item, because the route is a more accurate match relative to the destination 9.1.4.5
3. Select the second item as the best match, because the speed of Ethernet0 is faster than the speed of serial0
4. Chooses the first item as the best matching item, because the priority value of the ospf protocol is higher
The following two configuration commands can implement router RIA. The route to the same destination 10.1.1.1.0 is active and standby:
For the description of the PPP link establishment process, the following statement is wrong ()
If the Proto of a certain route information in the routing table is OSPF, the priority of this route must be 10. ()
The network administrator hopes to be able to effectively use the P address of the 192.168.176.0/25 network segment. Now that the company’s marketing department has 20 hosts, which of the following address segments is best allocated to the marketing department? ()
The election of the root switch in STP only compares the priority of the switch, while in RSTP, the priority of the switch and the MAC address are compared at the same time. ()
Layer 2 ACL can match source MAC, destination MAC, source IP, destination IP and other information. ()
Which of the following statements about the role of the STP protocol ForwarD.Delay is correct? ()
There is no need to write a hop when writing static routes at both ends of the PPP link. The Ethernet link needs
The device port running the STP protocol is in the Forwarding state. Which of the following statements are correct? ()
The network structure and 0$PF partition are shown in the figure. In the figure, except for RTA., the routers RTB.RTC. and RTD. are ABR routers. ()
(RTA) ip route-statiC.10.1.1.02412.1.1.1 permanent
(RTA) ip route-statiC.10.2.2.02413.1.1.1.
PAP authentication is more secure than CHAP authentication because it does not carry passwords in clear text
UDP cannot guarantee the reliability of data transmission, and does not provide functions such as message sequencing and flow control. It is suitable for flows that do not require high transmission reliability, but require high transmission speed and delay ().
The router running the OSPF protocol reaches the FULL state first, and then synchronizes the LSDB. ()
During data access, when accessing different network segments, the destination MAC. Encapsulate the MAC address of the gateway on the source host
Which of the following are not the characteristics of a small campus network? ()
The last option field (option) of 1Pv4 is variable-length optional information. What is the maximum length of this field? ()
In a Layer 2 network with redundant links, which of the following protocols can be used to avoid loops? ()
When deploying ACL on Huawei equipment, which of the following descriptions is correct is ()
When the lease period reaches what percentage does the DHCP client send the lease renewal message for the first time? ()
Take effect immediately after the Router ID of the OSPF process is modified ()
Which of the following fields is not included in the He1lo packet of the OSPF protocol? ()
Which of the following statements about single-arm routing are correct? ()
There are multiple route entries to the same destination network in the routing table. These routes are called? ()
On the broadcast network, both DR and BDR use the multicast address 224.0.0.6 to receive link state update messages ()
In the STP protocol, which of the following factors will affect the election of the root switch? ()*
In order to detect the connectivity status of the CAPWAP tunnel, after the CAPWAP tunnel is established, which of the following CAPTAP messages is used by the AC for detection? ()*
The LACP mode of link aggregation uses LACPDU to elect the active end. What information in LACPDU is the basis for electing the active end of LACP? ()*
The network shown in the figure below. The host has an ARP cache. Which of the following statements are correct? )(Multiple Choice Questions)
In the CAPWAP tunnel establishment phase, after AC. receives the Join Request message sent by the AP, AC. will check the validity of the AP. Which of the following is the authentication method supported by AC. ()*
Which of the following statements about IPv6 address configuration are correct? ()*
Which NAT can convert multiple private network addresses into one public network address to access the public network at the same time
What are the advantages of using dynamic host configuration protocol DHCP to assign IP addresses? ()*
As shown in the figure below. Router A has passed the IP address 10.0.12.2 Telnet Router B. Which of the following operations on the current interface will cause the Telnet session between Router A and Router B to be interrupted? () (Multiple Choice Questions)
ForwardD.Delay exists when an STP port transitions between which of the following states?
Which of the following features does the default VLAN in the Layer 2 Ethernet switch have? ()*
In the network as shown in the figure, the administrator hopes that all hosts cannot access the Web service (the port number is 80). Other services can be accessed normally. Then, in the interface configuration of G0/0/1, traffic-filWhich ACL rule needs to be bound to ter outbound? ()
Management Information Base (MIB) Information Base) is a virtual database, this database only exists on NMS. ()
In the network shown in the figure below, the router receives a data packet with a destination IP address of 11.0.12.1 from host A. This data packet is forwarded by the router. What are the destination mc and destination IP? () (Single-choice question)
The ACL configuration information of a certain router is shown in the figure. Which of the following statements is correct? () (Single-choice question)
Which of the following SNMP packets are sent to the NMS by the Agent on the managed device ()
Which of the following types of addresses are not included in IPv6 addresses? ()
In order to distinguish between different users and provide different network services on the AP. Which of the following can be configured through configuration? ()
When the switch port sends a data frame that carries the same VLANTAG and PVID., it must be stripped of VLANTAG and forwarded. ()
Network as shown in the picture. The administrator hopes that all hosts cannot access the Web service (the port number is 80). Other services can be accessed normally. In the interface configuration of G0/0/1, which ACL rule needs to be bound to trattie-frilter outbound?
The IPv6 protocol uses NS and NA. packets for duplicate address detection ().
The following figure shows the routing table of a router. When the router receives a destinationIWhen the P address is a data packet of 9.1.1.1,The router will forward according to the route of 9.1.0.0/16 because the mask length of this route is longer. ()(True or False)
In the network shown in the figure below, switch A and router A are connected by two links, and the two links are aggregated in manual load sharing mode. The aggregated port number is 1, and the aggregated link performs data forwarding It needs to carry VLAN TAG100, and switch A uses trunk link. Which of the following configurations should be used for switch A? ()
The administrator has configured the router as shown in the figure. At the same time, the administrator wants to assign a shorter lease period to the DHCP address. Which of the following commands should be used? () (Single-choice question)
If the configured ACL rules have an inclusive relationship, it should be noted that the rule numbers of strict conditions need to be sorted first, and the rule numbers of loose conditions need to be sorted later to prevent packets from hitting the rules of loose conditions and stop being pushed down to continue matching. Cannot hit the strict conditions of the rules. ()
Network equipment running the SNMP protocol can take the initiative to report alarm information so that network administrators can find faults in time. ()
Which of the following parameters cannot be used for advanced access control lists? ()
Which of the following parameters cannot be used for advanced access control lists? ()
Which of the following statements about the usage scenarios of the DHCP protocol is correct? ()
The network management system can only view the operating status of the device through the SNMP protocol, but cannot issue the configuration ()
All the devices in the picture can communicate normally. Is the corresponding relationship between the MAC address table of $WA and the port correct? () (Single-choice question)
When using the ping command on the VRp platform, if you need to specify an IP address as the source address of the echo request message, which of the following parameters should be used? ()
The network structure and OSPF partition are shown in the figure. Except for RTA in the figure, the routers RTB, RTC and RTD are all ABR routers. ()(True or False)
TESTED 05 May 2024