As shown in the figure below. Host A and Host B cannot communicate. False .
Refer to the configuration of the single-arm routing in the figure below, you can judge that even if the ARP proxy is not enabled on the sub-interface of R1, the administrative
department and the financial department can also visit each other. False .
In the broadcast network as shown in the figure, 0SPF runs on four routers. And in the same area. The same network segment. SPF will automatically elect one DR and multiple BDRs to achieve a better backup effect. False .
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. False .
As shown in the broadcast network. 0SPF runs on four routers. And in the same area. Same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve a better backup effect. False .
The following two configuration commands can realize the master and backup backup of the
router RIA to the same destination 10.1.1.0. False .
As shown in the figure. If host A has the ARp cache table of host B, then host A can ping host B. False .
s shown in the figure, it can be judged that 00e0-fc99-9999 is the specific host and MAC
address learned by the switch through ARP. And the host has changed its IP address three
times?
10.137.217.210 00e0-fc01-0203 E1/0/0
10.2.2.1 00e0-fc99-9999 Eth-Trunk 1
192.168.20.1 00e0-fc99-9999 vlan100
10.0.0.1 00e0-fc99-9999 vlan200
False .
The vty distribution responsibility is shown in the figure, and the user authority level is set to
level 3. ()
［Huawei］user-interface vty o 14 Huavei-ul-vtyo-14acl 200o inbound Huavei-ui-vtyo14Juser privilegelevel
3［Huavei-ui-vtyo-14］
authentication-node
passworD.Please
Configure the login passvord (maxiu length 16): huawei
False .
The broadcast address is a special address in which the host bits in the network address are
all set to 1, and it can also be used as a host address. False .
For switches running the SIP protocol, the port needs to wait for the forwarding delay in the
Learning state before it can be converted to the Forwarding state. False .
FIT AP can work independently without relying on AC. False .
The network management system can only view the operating status of the device through
the SNMP protocol, but cannot issue the configuration False .
Management Information Base (MIB) Information Base) is a virtual database, this database
only exists on NMS. False .
When the switch port sends a data frame that carries the same VLANTAG and PVID., it must
be stripped of VLANTAG and forwarded. False .
The router needs to modify the destination IP address in the data packet when forwarding
the data packet. False .
The configuration of the country code will affect the frequency used for actual transmission
and the maximum transmission power. False .
PAP authentication is more secure than CHAP authentication because it does not carry
passwords in clear text False .
The two ends of the PPP link are not in the same network segment and cannot communicate False .
DHCP is an application layer protocol. In order to make it more reliable when assigning P, its transport layer uses TCP protocol. False .
The transport layer protocol has UDP and TCP, but UDP is more reliable than TCP False .
UDP has a sliding window mechanism to control the speed of data transmission False .
When accessing across network segments, the source and destination IP will change, and the source and destination MAC will not change False .
The router forwards data according to the IP routing table, and the Layer 2 switch forwards data according to the MAC. address table False .
As shown in the figure, you only need to configure this static route on R1, and the two hosts can communicate with each other normally. False .
Since the TCP protocol uses a three-way handshake mechanism when establishing a connection and closing a connection, TCP supports reliable transmission. False .
In the VRP interface, use the command delete vrpcfg.zip to delete a file. The file must be emptied in the recycle bin to completely delete the file. () False .
The following two configuration commands can realize the router RTA. The main and backup backup routes to the same destination 10.1.1.0: () (RTA)ip route--statiC.10.1.1.02412.1.1.1 permanent(RTA)ip route--statiC.10.2.2.02413.1.1.1. False .
The broadcast address is a special address that all the host bits in the network address are set to, and it can also be used as a host address. False .
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. False .
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. False .
The host uses the IP address 192.168.1.2 to access the Internet-it must go through NAT. False .
The Management Information Base (MIB) (Management Information Base) is a virtual database that only exists on the NMS. False .
Both pwD. and dir commands in the VRP operating platform can view the file information in
the current directory, False .
The role of the collaboration layer in the SDN architecture is to complete job deployment
based on user intentions. OpenStack belongs to the business collaboration layer False .
The router needs to modify the destination IP address in the data packet when forwarding the data packet False .
In the broadcast network, OSPF runs on four routers in the same area and on the same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve a better backup effect False .
Take effect immediately after the Router ID of the OSPF process is modified False .
The Backup port in RSTP can replace the failed root port False .
The link aggregation interface can only be used as a Layer 2 interface False .
PPPoE sessions can only use CHAP authentication False .
Trunk ports can allow multiple VLANs to pass, including VLAN4096. False .
The network management system can only view the operating status of the device through the SNMP protocol, but cannot issue configurations. False .
If host A. has the ARP cache of host B., host A. can ping host B. False .
All interfaces of the router belong to the same broadcast domain. False .
If the network address of a network is 192.168.1.0, then its broadcast address must be 192.168.1.255. False .
If the Proto of a certain route information in the routing table is OSPF, the priority of this route must be 10. False .
The Backup port in RSIP can replace the failed root port. False .
Layer 2 ACL can match source MAC, destination MAC, source IP, destination IP and other
information. False .
For switches running the STP protocol, the port needs to wait for the forwarding delay in the Learning state to transform into the Forwarding state. False .
NAPT distinguishes the IP addresses of different users through the protocol numbers in TCP, UDP, or IP packets False .
The router running the OSPF protocol reaches the FULL state first, and then synchronizes the LSDB. False .
Neither the A1 ternate interface nor the Backup port in RSTP can forward user traffic, nor can they receive, process, and forward BPDUs False .
On the broadcast network, both DR and BDR use the multicast address 224.0.0.6 to receive link state update messages False .
The login timeout time in the VRP system can only be set under the vty interface. False .
Does the WEP security policy support the use of TKIP for data encryption? False .
When the FIT AP goes online, the software version will be downloaded from AC. False .
All interfaces of routers running 0SPF protocol must belong to the same area. False .
STA. The only way to discover the wireless network is the Beacom frame sent by the AP. False .
FIT AP does not need AC. It can also work independently False .
Broadcast network. OSPF runs on four routers in the same area. Same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve better backup results False .
When two OSPF routers form a 2TAY neighbor relationship, LSDB. has been synchronized. False .
The change of the Router ID of the OSPF process takes effect immediately. False .
OSPF Router ID. It must be the same as the IP address of an interface on the router. False .
AP does not need AC. It can independently complete the work of wireless user access, wireless user authentication, and business data forwarding. False .
AC uses CAPTAP control tunnel transmission to FIt AP management packet False .
There is no channel overlap in the 14 available frequency bands in the 2.4GHz frequency band. False .
When two OSPF routers form a 2-WAY neighbor relationship, LSDB. has been synchronized. False .
The election of the root switch in STP only compares the priority of the switch, while in RSTP, the priority of the switch is compared with the MAC address at the same time. False .
The load sharing mode at both ends of the Eth-Trunk can be inconsistent False .
The IEEE802.11aC. standard only supports the 5GHz frequency band False .
When two OSPF routers form a 2-WAY neighbor relationship, the LSDB. has been synchronized. False .
All ports on the root bridge switch are designated ports. False .
Management Information Base (MIB) Information Base) is a virtual database, which only exists on the NMS. False .
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