【单选题】
QUESTION 52 华为交换机上创建VLAN的规则是不能创建VLAN4095，且不可以删除VLAN1。___
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相关试题
【单选题】
QUESTION 55 PPP帧中的Protocl字段取以下哪个值时表示核有是一个IP数据包？___
A. 0x8821
B. 0x0021
C. 0x8021
D. 0x8863
【单选题】
QUESTION 59 OSPFv3报文在IPv6报文首部中的Protacol字段取十进制的值为？___
【单选题】
QUESTION 62 链路本地单播地址的接口标识总长度为多少bit？___
A. 48bit
B. 32bit
C. 64bit
D. 96bit
【单选题】
QUESTION 63 MPLS域中的LER全称为Label Egress Router。___
【单选题】
QUESTION 66 通用路由平台VRP的全称是？ ___
A. Virtual Routing Platform
B. Versatile Redundancy Platform
C. Versatile Routing Protocol
D. Versatile Routing Platform
【单选题】
QUESTION 67 如图所示，三台二层交换机与一台HUB互联，交换机均开启STP功能，交换机STP的桥ID设置请参考下图， 其它均是默认配置。以下说法错误的是（）。___
A. 经过桥ID的比较，LSW1为根桥
B. LSW3的G0/0/1口为AP端口，处于阻塞状态
C. LSW1的两个端口都为指定端口，处于转发状态
D. LSW1的G0/0/2口为阻塞状态
【单选题】
QUESTION 68 如下图所示的交换网络，所有交换机都运行了STP协议。当拓扑稳定后，在下列那台交换机上修改配置 BPDU的发送周期，可以影响SWD配置BPDU的发送周期。___
A. SWD
B. SWC
C. SWB
D. SWA
【单选题】
QUESTION 69 如下图所示的网络，交换机的MAC地址已标出。在SWD交换机上输入命令stp root secondary，下列哪台交换机出成为此网络的根桥。___
A. SWD
B. SWB
C. SWC
D. SWA
【单选题】
QUESTION 70 公司有用户反映在使用网络传输文件时，速度非常低，管理员在网络中使用Wireshark软件抓包发现了一些 重复的帧，下面关于可能的原因或解决方案描述正确的是（）。___
A. 公司网络的交换设备必须进行升级改造
B. 网络在二层存在环路
C. 网络中没有配置VLAN
D. 交换机在MAC地址表中查不到数据帧的目的MAC地址时，会泛洪该数据帧
【单选题】
QUESTION 71 动态路由协议能够自动适应网络拓扑的变化。___
【单选题】
QUESTION 73 路由器所有的接口属于同一个广播域。___
【单选题】
QUESTION 74 下列配置默认路由的命令中，正确的是（）。___
A. [Huawei]ip route-static 0.0.0.0 0.0.0.0 192.168.1.1
B. [Huawei-Serial0]ip route-static 0.0.0.0 0.0.0.0 0.0.0.0
C. [Huawei]ip route-static 0.0.0.0 255.255.255.255 192.168.1.1
D. [Huawei]ip route-static 0.0.0.0 0.0.0.00.0.0.0
【单选题】
QUESTION 77 交换机的端口在收到不携带VLAN TAG数据帧时，一定添加PVID。___
【单选题】
QUESTION 78 下面哪项参数不能用于高级访问控制列表？___
A. 物理接口
B. 时间范围
C. 目的端口号
D. 协议号
【单选题】
QUESTION 81 路由器输出信息如下，则此接口获取到的IPv6地址为？___
A. 2000::1/64
B. 3000::2/64
C. 3000::3000/64
D. 3000::1/64
【单选题】
QUESTION 83 OSPFv3使用哪个区域号标识骨干区域？___
【单选题】
QUESTION 84 某路由器OSPFv3邻接关系如下，则本路由器是ABR。___
【单选题】
QUESTION 85 IPv6地址中不包括下面哪种类型的地址？___
A. 任播地址
B. 广播地址
C. 组播地址
D. 单播地址
【单选题】
QUESTION 86 如果一个网络的网络地址为10.1.1.0/30，那么它的广播地址是（）？___
A. 10.1.1.4
B. 10.1.1.2
C. 10.1.1.3
D. 10.1.1.1
【单选题】
QUESTION 87 如果一个网络的网络地址为192.168.1.0，那么它的广播地址一定是192.168.1.255。___
【单选题】
QUESTION 89 路由器上电时，会从默认存储路径中读取配置文件进行路由器的初始化工作。如果默认存储路径中没有配置 文件，则路由器会使用什么来进行初始化？___
A. 当前配置
B. 新建配置
C. 缺省参数
D. 起始配置
【单选题】
QUESTION 92 如图所示，四台交换机都运行STP，各参数都采用默认值。在根交换机某端口发生阻塞并无法通过该端口发 送配置即心时，网络中塞端口在多久之后会进入到转发状态？___
A. 约15秒
B. 约50秒
C. 约30秒
D. 约3秒
【单选题】
QUESTION 95 二层交换机属于数据链路层设备，可以识别数据帧中的MAC地址信息，根据MAC地址转发数据，并将这些 MAC地址与对应的端口信息记录在自己内部的MAC地址表中。___
【单选题】
QUESTION 96 下面关于二层以太网交换机的描述，说法不正确的是（）。___
A. 二层以太网交换机工作在数据链路层
B. 能够学习MAC地址
C. 按照以太网帧二层头部信息进行转发
D. 需要对所转发的报文三层头部做一定的修改，然后再转发
【单选题】
如下那条命令？___
A. ip route-static 10.0.2.2 32 GigabitEthernet 0/0/0
B. ip route-static 10.0.2.2 0 GigabitEthernet 0/0/0
C. ip route-static 10.0.2.2 255.255.255.25510.0.12.2
D. ip route-static 10.0.2.2 255.255.255.25510.0.12.1
【单选题】
QUESTION 98 如图所示，关于OSPF的拓扑和配置，下列说法中正确的是（）。___
A. R1与R2相比，R2更有机会成为DR，因为它的接口DR优先级值较小
B. 只要把R1的接口网络类型恢复为默认的广播类型，R1和R2即可建立稳定的邻居关系
C. 只要把R1的接口网络类型恢复为默认的广播类型，同时调整hel1o时间为10s，R1和R2即可建立稳定的 邻居关系
D. R1和R2可以建立稳定的OSPF邻居关系
【单选题】
QUESTION 100 如图所示的广播网络中，OSPF运行在四台路由器上，且在同一区域，同一网段。OSPF会自动选举一个 DR.多个BDR，从而达到更好的备份效果。___
【单选题】
QUESTION 102 DHCP服务器回应客户端的报文一定是单播报文。___
【单选题】
QUESTION 104 某交换机收到一个带有VLAN标签的数据帧，但发现在其MAC地址表中查询不到该数据帧的目的MAC地址， 则交换机对该数据帧的处理行为是（）。___
A. 交换机会丢弃此数据帧
B. 交换机会向所有Access端口广播此数据帧
C. 交换机会向属于该数据帧所在VLAN中的所有端口（除接收端口）广播此数据帧
D. 交换机会向所有端口广播该数据帧
【单选题】
QUESTION 105 为了查看路由器上串口S0/0/1是DTE接口还是DCE接口，应该使用下面哪个命令？___
A. display interface s0/0/1
B. display current-config
C. display saved-config
D. display controller serial
【单选题】
QUESTION 106 以下哪种类型的ACL可以匹配传输层端口号？___
A. 中级ACL
B. 高级ACL
C. 二层ACL
D. 基本ACL
【单选题】
QUESTION 107 IPv6地址总长度为多少bit？___
【单选题】
QUESTION 108 DHCPv6报文需要哪种协议报文承载？___
A. FTP
B. TCP
C. UDP
D. HTTP
【单选题】
QUESTION 110 2001::12:1对应的被请求节点的组播地址为FF02::1:FF12:1。___
【单选题】
QUESTION 112 网络层首部格式中不包含哪些字段？___
A. TTL
B. Source IPv4 Address
C. Sequence Number
D. Destination IPv4 Address
【单选题】
QUESTION 114 管理员想要彻底删除旧的设备配置文件<config.zip>，则下面的命令正确的是（）。___
A. delete /unreserved config.zip
B. delete /force config.zip
C. clear config.zip
D. reset config.zip
【单选题】
QUESTION 116 STP计算的端口开销（Port Cost）和端口带宽有一定关系，即带宽越大，开销越（）。___
【单选题】
QUESTION 117 RSTP协议中，P/A机制要求两台交换设备之间链路必须是点对点的全双工模式。___
推荐试题
【单选题】
— How are you, Bob?___
A. How are you?
B. I'm fine. Thank you.
C. How do you do?
D. Nice to meet you.
【单选题】
— Thanks for your help.___
A. My pleasure.
B. Never mind.
C. Quite right.
D. Don't thank me.
【单选题】
— Hello, my name is Charles Green, but ___ .
A. call my Charles
B. call me at
C. harles C. call me Charles
D. call Charles me
【单选题】
— ___, and how are you?
A. Don't mention it
B. Hm, not too bad
C. Thanks
D. Pretty fast
【单选题】
— I'm sorry. I am late due to the heavy traffic___
A. Well, it's OK.
B. No, it's all right.
C. You are welcome.
D. You are wrong.
【单选题】
— It's rather cold in here. Do you mind if I close the window?___
A. Yes, please.
B. No, please.
C. Sure, please.
D. I don't like it.
【单选题】
___He teaches physics in a school.
A. What does your father do?
B. Who is your father?
C. What is your father doing?
D. Where is your father now?
【单选题】
— Excuse me, how much is the jacket?___ It's 499 Yuan.
A. Oh, no. That's OK!
B. How do you like it?
C. Which do you prefer?
D. Would you like to try it on?
【单选题】
— Could you help me with my physics, please？___
A. No, no way.
B. No, I couldn't
C. No, I can't.
D. Sorry I can't. I have to go to a meeting right now.
【单选题】
— Could I speak to Don Watkins, please?___
A. Speaking, please.
B. Oh, how are you?
C. I'm listening.
D. I'm Don.
【单选题】
— Could I borrow your car for a few days?___
A. Yes, you may borrow.
B. Yes, go on.
C. Sure, here is the key. Enjoy your journey.
D. It doesn't matter.
【单选题】
— Thank you for inviting me.___
A. I really had a happy time.
B. Oh, it's too late.
C. Thank you for coming.
D. Oh, so slowly?
【单选题】
— May I see your tickets, please?___
A. Sure.
B. No, you can't.
C. No, they are mine.
D. Yes, you can.
【单选题】
— Please help yourself to the seafood.___
A. No, I can't.
B. Sorry, I can’t help.
C. Well, seafood don’t suit.
D. Well, I'm afraid I don't like seafood.
【单选题】
— Would you like to go to the concert with us this evening?___
A. No, I already have plans.
B. I'd love to, but I'm busy tonight
C. No, I really don't like being with you.
D. I'm ill, so I shouldn't go out.
【单选题】
— Congratulations! You won the first prize in today's speech contest.___
A. Yes, I beat the others.
B. No, no, I didn’t do it well.
C. Thank you.
D. It's a pleasure.
【单选题】
— Must I take a taxi? No, you___. You can take my car.
A. had better to
B. don't
C. must not
D. don't have to
【单选题】
— We are going to have a singing party tonight. Would you like to join us?___
A. I'm afraid not, because I have to go to an important meeting.
B. Of course not. I have no idea
C. No, I can’t.
D. That's all set
【单选题】
— How was your trip to London, Jane?___
A. Oh, wonderful indeed.
B. I went there alone.
C. The guide showed me the way.
D. By plane and by bus.
【单选题】
— Hey, Tom, what's up?___
A. Yes, definitely!
B. Oh, not much.
C. What is happening in your life?
D. You are lucky.
【单选题】
— Do you mind my smoking here?___
A. No, thanks.
B. Yes, I do.
C. Yes. I'd rather not.
D. Good idea.
【单选题】
— Did you know that David injured his leg yesterday?Really? ___
A. Who did that?
B. What's wrong with him?
C. How did that happen?
D. Why was he so careless?
【单选题】
— This box is too heavy for me to carry it upstairs.___
A. You may ask for help.
B. I'll give you a hand.
C. Please do me a favor.
D. I'd come to help.
【单选题】
— I wonder if I could use your computer tonight?___ I'm not using it right now.
A. Sure, here you are.
B. I don't know.
C. It doesn't matter.
D. Who cares?
【单选题】
— Excuse me, could you show me the way to the nearest post office?___ Oh yes! Two blocks away from here at the Green Avenue. You can’t miss it.
A. I beg your pardon?
B. What do you mean?
C. You’re welcome.
D. Um, let me think.
【单选题】
— Wow! This is a marvelous room! I’ve never known you’re so artistic.____
A. Great, I am very art-conscious.
B. Don’t mention it.
C. Thanks for your compliments.
D. It's fine.
【单选题】
— Is it possible for you to work late tonight？___
A. I like it.
B. I'll do that.
C. I'd love to. .
D. I think so.
【单选题】
— Unbelievable! I have failed the driving test again!___ This is not the end of the world.
A. Good luck.
B.
C. heer up. C. Go ahead.
D. No problem.
【单选题】
Are you feeling better today, Jack?___
A. There must be something wrong.
B. Just have a good rest.
C. Yes, thank you, doctor. But I still don't feel good.
D. Don’t worry about me.
【单选题】
Thank you so much for your lovely gift.___
A. Never mind.
B. I'm glad you like it.
C. Please don't say so.
D. No, It's not so good.
【单选题】
Would you like something to drink? What about a cup of tea?___
A. No, thanks.
B. No, I wouldn’t
C. Yes, I want.
D. Yes, I like.
【单选题】
What's the problem with your bike?___
A. Not at all.
B. Good, thank you.
C. Nothing serious.
D. Sure.
【单选题】
Good morning, John. How are you doing?___
A. I'm pleased
B. Good night.
C. Not so bad. And you?
D. How do you do?
【单选题】
How do you do?___
A. Fine, thank you.
B. How do you do?
C. Not too bad.
D. Very well.
【单选题】
Good-bye for now.___
A. The same to you.
B. That's OK
C. See you.
D. Long time no see.
【单选题】
Hello, how are you?___
A. Hello, how are you?
B. How do you do?
C. Fine, thank you.
D. That's OK.
【单选题】
I didn't mean to do that. Please forgive me。___
A. Not too bad.
B. That's all right
C. It's a pleasure.
D. Thank you.
【单选题】
Thank you for your invitation.___
A. It doesn’t matter.
B. It's a pleasure.
C. It's a small thing.
D. I'll appreciate it.
【单选题】
What a beautiful dress you have on today!___
A. It is suitable for me.
B. No, it isn’t.
C. You want to have one, too?
D. Thank you.
【单选题】
I think he is a good lecturer.___
A. Sorry, it doesn’t matter.
B. So do I.
C. Yes. It's a good idea
D. I don't mind
