【单选题】
QUESTION 329 高级ACL的编号范围是? ___
A. 6000~6031
B. 4000~4999
C. 3000-3999
D. 2000-2999
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相关试题
【单选题】
QUESTION 332 网络管理工作站通过SNMP协议管理网络设备,当被管理设备有异常发生时,网络管理工作站将会收到哪种 SNMP报文?___
A. get-response报文
B. trap报文
C. set-request报文
D. get-request报文
【单选题】
QUESTION 333 路由器在转发IPv6报文时,不需要对数据链路层重新封装。___
【单选题】
QUESTION 334 在一个广播型网络中存在4台路由器,并且4台路由器全部运行OSPFv3协议,所有路由器DR优先级均非0, 则网络中共有多少个邻接关系?___
【单选题】
QUESTION 335 以下关于Prefix Segment说法错误的是哪个?___
A. Prefix Segment可以由IGP自动分配
B. Prefix Segment通过IGP协议扩散到其他网元,全局可见,全局有效
C. Prefix Segment需要手工配置
D. Prefix Segment用于标识网络中的某个目的地址前缀(Prefix)
【单选题】
QUESTION 337 IPv4首部中的DSCP字段取值范围为?___
A. 0-15
B. 0-63
C. 0-31
D. 0-7
【单选题】
QUESTION 338 UDP是面向无连接的,必须使用()来提供传输的可靠性。 ___
A. 网络层协议
B. 应用层协议
C. 传输控制协议
D. 网际协议
【单选题】
QUESTION 339 由于TCP协议在建立连接和关闭连接时都采用三次握手机制,所以TCP支持可靠传输。___
【单选题】
QUESTION 341 管理员在哪个视图下才能为路由器修改设备名称? ___
A. Protocol-view
B. System-view
C. User-view
D. Interface-view
【单选题】
QUESTION 342 STP协议在以下哪个状态下进行端口角色的选举?___
A. Blocking
B. Disabled
C. Learning
D. Listening
【单选题】
QUESTION 343 RSTP BPDU报文中的Flag字段的总长度为多少bit?___
【单选题】
QUESTION 344 以下哪项不是RSTP可以提高收敛速度的原因?___
A. 边缘端口的引入
B. 取消了Forward Delay
C. 根端口的快速切换
D. P/A机制
【单选题】
QUESTION 345 以下关于RSTP协议中边缘端口说法正确的是?___
A. 边缘端口可以由Disable直接转到Forwarding状态
B. 交换机之间互联的端口需要设置为边缘端口
C. 边缘端口丢弃收到配置BPDU报文
D. 边缘端口参与RSTP运算
【单选题】
QUESTION 346 运行STP协议的交换机,端口在Learning状态下需要等待转发延时后才能转化为Forwarding状态。___
【单选题】
QUESTION 349 如下图所示的网络,主机存在ARP缓存,主机A发送数据包给主机B,则此数据包的目的MAC和目的IP分别 为?___
A. MAC-C,10.0.12.2
B. MAC-A,11.0.12.1
C. MAC-C,11.0.12.1
D. MAC-B,11.0.12.1
【单选题】
QUESTION 351 OSPF报文类型有多少种?___
【单选题】
QUESTION 352 在使用FTP协议升级路由器软件时,传输模式应该选用()。 ___
A. 文字模式
B. 字节模式
C. 流字节模式
D. 二进制模式
【单选题】
QUESTION 353 DHCP服务器使用哪种报文确认主机可以使用IP地址?___
A. DHCP ACK
B. DHCP DISCOVER
C.
D. HCP REQUEST
【单选题】
QUESTION 354 一台windows主机初次启动,如果采用DHCP的方式获取IP地址,那么此主机发送的第一个数据包的源IP地 址是?___
A. 127.0.0.1
B. 255.255.255.255
C. 0.0.0.0
D. 169.254.2.33
【单选题】
QUESTION 355 用户可以使用的VLAN ID的范围是?___
A. 0-4096
B. 1-4096
C. 1-4094
D. 0-4095
【单选题】
QUESTION 356 交换机某个端口配置信息如下,则此端口在发送携带哪些VLAN的数据帧时携带VLAN TAG?___
A. 1,2,3,100
B. 2,3,4,6,100
C. 2,3,100
D. 1,2,3,4,6,100
【单选题】
QUESTION 357 Eth-Trunk两端的负载分担模式可以不一致。___
【单选题】
QUESTION 359 下面选项中,能使一台IP地址为10.0.0.1的主机访问Internet的必要技术是()。___
A. 动态路由
B. NAT
C. 路由引入
D. 静态路由
【单选题】
QUESTION 362 SNMP报文是通过TCP来承载的。___
【单选题】
QUESTION 363 组播地址FF02::1表示链路本地范围的所有节点。___
【单选题】
QUESTION 364 在P2P网络中,OSPFv3邻接关系建立时不需要发送DD报文。___
【单选题】
QUESTION 365 在邻接关系建立过程中,OSPFv3中DD报文的作用是?___
A. 请求缺少的LSA
B. 用来向对端路由器发送所需要的LSA
C. 发现、维护邻居关系
D. 来描述自己的LSDB
【单选题】
QUESTION 366 IPv6地址3001:0DB8:0000:0000:0346:ABCD:42BC:8D58的最简形式为?___
A. 3001:0DB8::0000:0346:ABCD:42BC:8D58
B. 3001:DB8::0346:ABCD:42BC:8D58
C. 3001:DB8::346:ABCD:42BC:8D58
D. 3001:0DB8::0346:ABCD:42BC:8D58
【单选题】
QUESTION 367 当主机采用DHCPv6无状态自动配置时,主机发送哪一个DHCPv6报文请求配置信息?___
A. Information-Request
B. CONFIRM
C. SOLICIT
D. REBIND
【单选题】
QUESTION 368 IPv6组播地址标志字段(Flag)长度为多少bit?___
【单选题】
QUESTION 369 以下关于Node Segment说法错误的是哪个?___
A. Node SID与节点的Prefix SID不能相同
B. Node Segment是用于标识特定的节点(Node)
C. 在节点的Loopback接口下配置IP地址作为前缀,这个节点的Prefix SID实际就是Node SID
D. Node Segment是特殊的Prefix Segment
【单选题】
QUESTION 371 如果使用万兆光模块互联两台华为S5710交换机,那么互联端口工作模式默认为全双工。___
【单选题】
QUESTION 372 在华为ARG3路由器上,VRP中Ping命令的-i参数是用来设置()。___
A. 发送Echo Request报文的接口
B. 发送Echo Request报文的源IP地址
C. 接收Echo Reply报文的接口
D. 接收Echo Reply报文的目的IP地址
【单选题】
QUESTION 373 下面关于IP报文头部中TTL字段的说法正确的是()。___
A. TTL定义了源主机可以发送数据包的数量
B. IP报文每经过一台路由器时,其TTL值会被减1
C. TTL定义了源主机可以发送数据包的时间间隔
D. IP报文每经过一台路由器时,其TTL值会被加1
【单选题】
VRP平台如何表示路由器第3槽位,0号子卡,2号GE端口。___
A. interface GigabitEthernet 3/2/0
B. interface Ethernet 3/0/2
C. interface XGigabitEthernet 3/0/2
D. interface GigabitEthernet 3/0/2
【单选题】
QUESTION 376 下列关于生成树协议根桥选举说法正确的是?___
A. 桥优先级相同时,MAC地址大的设备成为根桥
B. 桥优先级相同时,端口数量较多的设备成为根桥
C. 桥优先级数值较小的设备成为根桥
D. 桥优先级的数值较大的设备成为根桥
【单选题】
QUESTION 377 标准STP模式下,下列非根交换机中的哪个端口会转发由根交换机产生的TC置位BPDU? ___
A. 根端口
B. 备份端口
C. 预备端口
D. 指定端口
【单选题】
QUESTION 378 STP协议中根桥发出的配置BPDU报文中的Message Age为0。___
【单选题】
QUESTION 380 如下图所示的网络,假设所有路由器同时运行OSPF协议,这个网络中的BDR是哪一合路由器?___
A. Router A
B. Router B
C. Router C
D. Router D
【单选题】
QUESTION 382 如下图所示,主机A和主机B使用哪种网络设备可以实现通信? ___
A. 路由器
B. 集线器
C. HUB
D. 二层交换机
【单选题】
路由器输出信息如下,下列说法错误的是? ___
A. Ethernet0/0/0接口的MTU值为1480
B. Ethernet0/0/0接口物理链路正常
C. Ethernet0/0/0接口对应的广播地址为10.0.12.255
D.
E. thernet0/0/0接口的IP地址为10.0.12.1/24
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Tom is a book lover. ______ likes reading very much.
A. He B. She C. You D. It
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—May I listen to the music here, Mr. White?
—Sorry, you’d better it like that.
A. not to do B. not do to
C. dont do D. not do
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3.—Did you have a good time at Lauras birthday party?
— Yes, indeed. Its several years ________ I enjoyed myself so much.
A. when B. before C. since D. that
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4. —___________ is the Summer Palace from here?
About three kilometers away. You can take the No. 35 bus.
A. How long B. How far C. How often D. How much
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5. I was looking for a birthday gift for my mother, but I couldnt find ______ suitable.
A. anything B. something C. nothing D. everything
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6. A friend of my ____ and I are going to visit_______ next week.
A. father; Browns B. father's; Browns
C. father; the Browns D. father's; the Browns
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7. She ______ very hard since she came to our school.
A. studies B. has studied C. is studying D. studied
【单选题】
8. — Who will send you to the new school, your mom or your dad?
— _______. Ill go there by myself.
A. Both B. Either C. Neither D. None
【单选题】
9.—Well do what we can ____English well this term.
—It’s high time for you to work hard.
A. study B.to study C. be studied D. be studying
【单选题】
10. —I’m going to Flower Bookstore. Could you tell me ______?
— Sorry, I don’t know. I’m new here.
A. where it is B. where was it C. where is it D. where it was
【单选题】
11. How do you like the dishes, Eric?
— Fantastic! Nothing tastes ________.
A. nice B. better C. terrible D. worse
【单选题】
12. ______ Lin Feng has to work late, she always wears a smile on her face.
A. Because B. If C. Until D. Though
【单选题】
13.You can save money _______ you buy cheaper things.
A. before B. unless C. if D. until
【单选题】
14. We will have a _________ holiday after the exam.
A. two-month B. two month’s C. two month D. two-months
【单选题】
15. —We will build an underground in Xuzhou before 2015.
— Wow, _______! Will it pass our place?
A. what an excited news B. how excited the news is
C. what exciting news D. how exciting
【单选题】
16. — Emily, here’s a dictionary.I hope it will help you in some way.
— Thank you.It’s ________ what I need.
A. almost B. still C. only D. just
【单选题】
17. —Oh.I’m hungry.Mum, can I have the hamburger on the plate?
—No.It tastes .
A. terribly B. terrible C. good D. well
【单选题】
18. —We can invite our teachers to the farewell party next Saturday.
—Yes, ______? I’ll call them at once.
A. what for B. what C. why not D. why
【单选题】
19.You can ________ ask the old man to move away to any other place because he has lived ________ here for at least sixty years.
A. hardly; alone B. hard; alone
C. hardly; lonely D. hardly; lonely
【单选题】
20.—I’m going back to see my grandparents this weekend.
—________.
A. It’s very nice of you B. You’d better hurry
C. Say goodbye to them D. Give my best wishes to them
【单选题】
21.—Why not take ____ umbrella with the sign “Made in China”? It is useful.
—What _______ good advice it is!
A. an; a B. a; a C. an; \ D. \; a
【单选题】
22. —Do you know the boy________ is sitting next to Peter?
— Yes. He is Peter’s friend. They are celebrating his ________ birthday.
A. who; ninth B. that; ninth C. /; ninth D. which; ninth
【单选题】
23. It was dark, ______ I couldnt see what was happening.
A. or B. though C. but D. so
【单选题】
24.—You can use MSN to talk with Vivien on the Internet.
—I know. But can you tell me ________?
A. what I can use it B. when I can use it
C. why can I use it D. how can I use it
【单选题】
25. _______ are you going to the School Uniform Exhibition, Amy ?
To learn about different styles of school uniform.
A. What B. Where C. Which D. Why
【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A.England. B.France. C.America. D.China.
【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
A.He cares more about a flower and a sheep.
B.He meets many more strange adults on other planets.
C.He realizes his love for the rose and he goes back to his planet.
D.He discovers interesting things such as a snake, other roses and a fox
【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________.
A.the adult world B.the planet B -612
C.a rose and a fox D.the adventure of a young prince
【单选题】
( ) 29. What is the writer's main purpose(目的)in writing this passage?
A.To tell the readers his life story.
B.To tell people what kind of person his father was.
C.To tell the readers what present he got from his father.
D. To let people know how poor he was.
【单选题】
( ) 30. Why did the father not ask his son not to do this and do that?
A.Because he felt quite confident of his son.
B.Because he was born from a poor family.
C.Because he was a man of few words.
D.Because he didn't want to be much too strict with his son.
【单选题】
( ) 31. What would someone learn from this passage?
A.How to live by oneself. B.How to stand on one's own feet.
C.What a good father should do. D.What the self-important is like.
【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage?
A.闲暇时光 B.学费 C.精神空虚 D.经济不足
【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
A. She had seven tickets.
B. She hoped to please others.
C. She knew the car drivers well.
D. She wanted to show kindness.
【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
A. thought it was beautifully written
B. wanted to know what it really meant
C. decided to write it on a warehouse wall
D. wanted her husband to put it up in the classroom
【单选题】
( ) 35. Who came up with the phrase according to the passage?
A. Judy Foreman. B. Natalie Smith. C. Anne Herbert D. Alice Johnson.
【单选题】
( ) 36. What can we infer from the last paragraph?
A. People should practice random kindness to those in need.
B. People who receive kindness are likely to offer it to others.
C. People should practice random kindness to strangers they meet.
D. People who receive kindness are likely to pay it back to the giver.
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources