Quiz
Networks41-80
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Perguntas do quiz (40)
1On the following ICMP Analysis of the correct message is (). (Multiple choice)
- AICMP Time packets may be recorded, including the original time, reception time, the transmission time
- BICMP Packets are encapsulated in IP Packet, the transport layer without encapsulation
- CICMP Message protection ICMP Error messages, control messages, request / response message, refresh messages
- DICMP Does not support redirection
- EICMP Packets can not be used in the detection path MTU
2As shown, Analyzing 00e0-fc99-9999 Is a switch by ARP Learning to a specific host MAC Address, and the host replaced three times IP address.
- AVerdadeiro
- BFalso
3NAPT You can be converted to what elements?
- AMAC Address + port number
- BIP Address + port number
- Conly MAC address
- Donly IP address
4As shown, the switch GE0 / 0/1 with GE0 / 0/2 Both ports differently Hybrid Configuration, the following statement is correct (). (Multiple choice)
- AAdministration and finance department can not access because the two departments belongs VLAN Are not the same
- BData frames sent by the executive branch to carry in the switch Tag for VLAN20
- CFinance department issued a data frame carried in the switch Tag for VLAN20
- DHere switch can be Layer 2 switch can also be a three-layer switch, because the communication without going through the three gateways
- EIf the switch GE0 / 0/1 with GE0 / 0/2 Both ports are amended as Trunk Can be normal communication between the ports, the two departments
5Following on OSPF Description of the correct (). (Multiple choice)
- AIn the configuration OSPF The router must be given before the area loopback Interface Configuration ip address
- BArea number range is from 0.0.0.0 To 255.255.255.255
- CNo. backbone area can not be 2
- DAll of the network should be in the area 0 In declaring
6STP Which of the following parameters need to be considered when the root port election? (Multiple choice)
- AThe switch port to the root Cost
- BPort Priority
- CPort slot number, such as G0 / 0/1
- DPorts MAC address
- EDuplex mode
7The following statement on the Ethernet port mode of operation, the right is? (Multiple choice)
- AGigabit Ethernet can only work in full-duplex modes
- BGigabit Ethernet can only work in full-duplex mode
- CCan work when the Ethernet port mode mismatch
- DEthernet port mode can be considered that the definition
- E100M Ethernet port supports full and half duplex mode of operation
8Administrators configure DHCP When the server is configured lease time which of the following commands is the shortest?
Ip pool pool1
network 10.10.10.0 mask 255.255.255.0
gateway-list 10.10.10.1- Adhcp select
- Blease day 1
- Clease 24
- Dlease 0
9You can use commands on the Huawei switches vlan batch Create multiple batches VLAN , Simplify the configuration process.
- AVerdadeiro
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10As shown, the administrator wants to be able to improve the performance of this network, which of the following is the most appropriate way?
- AUsing switches connected to each host, and the host changes the operating mode of each full-duplex
- BUsing switches connected to each host, and the host changes the operating mode of each half-duplex
- Cuse HUB Connect to each host, each host and the operating mode changes to full-duplex
- Duse HUB Connect to each host, and the operating mode changes each host half-duplex
11Below that OSPF Version suitable for IPv6 ?
- AOSPFv1
- BOSPFv2
- COSPFv3
- DOSPFv4
12As shown in the network, the following description is correct (). (Multiple choice)
- ARTA versus SWC Between for the same collision domain
- BSWA versus SWB Between for the same broadcast domain
- CSWA versus SWC Between the same collision domain
- DSWA versus SWC Between the same broadcast domain
13When a routing loop occurs, which may cause the following problems? (Multiple choice)
- APacket transfer endlessly
- BRouter CPU Consumption increases
- CRouter memory consumption increases
- DObject data packets IP Addresses are constantly modified
- EThe number of bytes of a packet growing
14Network structure and OSPF As illustrated partition, in addition to FIG. R1 Outside the router R2 , R3 with R4 They are OSPF of ABR router.
- AVerdadeiro
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15Two routers run PPP Link, an administrator on both the router configuration OSPF Single zone, and their Router ID Identical, the following description is correct().
- ATwo routers will complete the establishment of normal neighbor relations
- BVRP It will prompt the two routers Router ID conflict
- CTwo routers will establish normal relations adjacency
- DTwo routers will not send each other hello information
16The company has reflected in the use of network users to transfer files, the speed is very low, network administrators Wireshark Ethereal software found some Repeating frames,
the following possible causes or solutions described is correct ().- ASwitch MAC Finding out the destination address of the data frame table MAC An address, it will flood the data frame.
- BThe company's network switching equipment must be upgraded
- CIn the second floor there is a loop network
- DThe network is not configured VLAN
17Enable GRE of keepalive After the function, GRE This end of the tunnel periodically every 10s Sent once to the peer keepalive Message.
- AVerdadeiro
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18on PPP Configuration and deployment, the following statement is correct ().
- APPP Can not be issued for IP address
- BPPP stand by CHAP with PAP Authentication modes
- CPPP Can not be modified keepalive time
- DPPP It does not support two-way authentication
19About the above configuration, the statement is correct ().
<Huawei> system-view
[Huawei] user-interface console 0
[Huawei-ui-console0] history-command max-size 20- Ahistory-command max-size 20 It is to adjust the size of the history command buffer 20 Article
- BThe default size of the history command buffer is 5 Article
- CThe default size of the history command buffer is 5 byte
- DAfter the configuration, command history cache can be saved 20 Byte command
20About detection IP Command is used when network connectivity, the following statements are wrong (). (Multiple choice)
- Aping 127.0.0.1, This command is used to detect whether or not the host of the network cable plugged in
- Bping 127.0.0.2 This command is used to detect the host network cable is plugged in
- Cping Connectivity host command can be used to detect the local gateway
- Dipconfig / release Connectivity host command can be used to detect the local gateway
21IP There is a packet header TTL Field, on the field of view is correct ()
- AThis field is 7 Place
- BThis field is used to packet fragmentation
- CThis field is used for preventing the packet ring
- DThis field is used to tender priority packet
22As shown, the two hosts via routing-arm VLAN Interprocess communication, when RTA of G0 / 0 / 1.2 Sub-interface receives host B Sent to the host A Number According to the time
frame, RTA Which of the following will perform the operation?
- ARTA The data frame by G0 / 0 / 1.1 Sub-interfaces directly forwards
- BRTA delete VLAN label 20 After the G0 / 0 / 1.1 Interface to send out
- CRTA Must first delete VLAN label 20 Then add VLAN label 10 ,Then by G0 / 0 / 1.1 Interface to send out
- DRTA Discards the data frame
23FIG topology and configuration on the switch port interconnection illustrated, the label can be determined as VLAN10 The data frames may be forwarded between the two
switches.
- AVerdadeiro
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24in OSPF Agreement for DR Description, the following correct what? (Multiple choice)
- ABy default, the broadcast networks, all routers will work with DR election
- BIf the priority value of two different routers, the smaller is selected as the priority value router DR
- CIf the priority value is equal to two routers, select Router ID As a large router DR
- DDR with BDR Also establishes adjacencies between
25Administrators can not pass Telent To manage AR2200 Found when other administrators troubleshoot no problem, then what options are possible under the original because?
(select 2 Answers)- AThe administrator user account has been disabled
- BThe administrator user account permission level has been modified 0
- CThe administrator user account has been deleted
- DAR2200 Router telnet Service has been disabled
26Below for GVRP Description is correct ().
- AGVRP It enables network devices to dynamically discover and delete
- BGVRP Is on the switch must be turned agreement, otherwise can not communicate between switches
- CGVRP is based on GARP Working mechanism, and it is used to maintain equipment VLAN Dynamic registration information and disseminate this information to other devices
- DGVRP It is enabled by default, and can also be manually turned off
27Routing entries 10.0.0.24/29 Which may come from the following several sub-routes converge? (Multiple choice)
- A10.0.0.24/30
- B10.0.0.23/30
- C10.0.0.26/30
- D10.0.0.28/30
28Network administrators created on Layer 3 switches VLAN 10 And the VLAN The virtual interface is configured IP address. When using the command "Display ip interface brief" When
viewing interface status, found VLANIF 10 Interface is down ,, state should be such that by operation of what VLANIF 10 Interface back to normal?- Ain VLANIF 10 Use the command interface "Undoubtedly shutdown"
- BAdd any physical interface into the VLAN 10
- CAdd a status must be UP Into physical interface VLAN 10
- DAdd a status must be UP And must be Trunk Type of interface into VLAN 10
29As illustrated, on this figure depicts the network topology is correct ().
- AThis network has 6 Collision domains
- BThis network has 2 Broadcast domain
- CThis network has 1 Collision domains
- DThis network has 6 Broadcast domain
30In this multi-point Ethernet access network, PPPoE Server via an Ethernet port and a lot of PPPoE Client established PPP
Connection, the server must each PPP Session establishment unique session identifier to distinguish between different connections. PPPoE What parameters will be used to
establish a session identifier?- AMAC address
- BIP Address MAC address
- CMAC Address PPP-ID
- DMAC Address Session-ID
31in AR Created on the router authentication scheme, authorization scheme, accounting scheme, HWTACACS or RADIUS Server template, only in the domain take effect after
application.- AVerdadeiro
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32As shown in the data packet, which will be the following fields IPsec VPN of ESP Protocol Encryption?
- ATCP Header , Data , ESP Trailer
- BESP Header , TCP Header , Data
- CESP Header , TCP Header , Data, ESP Trailer
- DESP Header , TCP Header , Data, ESP Trailer, ESP Auth
33A company network administrator wants to remotely manage branch network equipment, the following agreement which will be used?
- ACIDR
- BRSTP
- CTelnet
- DVLSM
34Trunk Both the data frame transmitted tagged port, can transmit the data frame with no tag
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35Ports support auto-negotiation technology of Huawei equipment, the following statements are true about the results of the consultations is ().
- AGigabit electrical ports under negotiation results must be full-duplex
- B100M ports under negotiation result will be half-duplex
- CNegotiation process is relegated consultation, namely 1000M-> 100M-> 10M
- DInconsistent duplex mode, the network can be solved by replacing the cable
36As shown, the two switches are disabled STP Host agreement A Sent a ARP Request , The following description is correct (). (Multiple choice)
- ATwo switches can achieve load balancing
- BThese two switches CPU Occupancy rate will be high
- CThese two switches MAC Address table will frequently shake
- DThe network will duplicate frames
37PPP ratio HDLC More secure, because PPP stand by(). (Multiple choice)
- APAP
- BMD5
- CCHAP
- DSSH
38The following statement is incorrect (). (Multiple choice)
- AEach static route can not be the same priority
- BBy default routing order of priority is OSPF Higher than RIP
- CIf the route cost The larger the value, the higher the priority route
- DVRP , The routing protocol priority value the greater the higher the priority of said routing
39NAT When using a dynamic address pool address pool can be reused, i.e., the same IP Meanwhile mapped to multiple network IP .
- AVerdadeiro
- BFalso
40As shown in FIG network topology, cost of all links in the network are the default values, when RTA Forward the packet to RTE When, on the routing of the correct description
is () (multiple choice).
- AIf your network routers are running OSPF ,then RTA Will be used S1 / 0/0 Forwards the data to the interface RTE
- BIf your network routers are running RIPv2 ,then RTA Will be used S1 / 0/0 Forwards the data to the interface RTE
- CIf your network routers are running OSPF ,then RTA Will be used E0 / 0/1 Forwards the data to the interface RTE
- DIf your network routers are running RIPv2 ,then RTA Will be used S2 / 0/0 Forwards the data to the interface RTE
Informações
- Descrição
- about this
- Autor
- Guldana Kystaubayeva
- Idioma
- English
- Visualizações
- 2
- Etiquetas
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