思科认证2022模拟试卷260

1. [多选题]CDP is being used throughout the Ezonexam network. What are two reasons why the Ezonexam network administrator would use CDP? (Choose two)

A. To determine the status of network services on a remote device
B. To obtain the IP Address of a connected device in order to telnet to the device
C. To verify the type of cable interconnecting two devices
D. To verify Layer 2 connectivity between two devices when Layer 3 fails
E. To obtain VLAN information from directly connected swticehs
F. F. To determine the status of the routing protocols between directly connected routers
G. G. To support automatic network failover during outages

2. [单选题]关于OSPF中DR的说法不正确的是（）

A. 通过hello报文选举DR
B. 如果某路由器优先级比DR优先级高，但启动晚，它会抢占原来的DR自己成为DR
C. 一个广播类型网络中只能有一个DR
D. 一旦DR失效，BDR接替DR的工作，并重新选举一个BDR

3. [单选题]在地址转换中，()用来规定哪些数据包^(packet)需要进行地址转换

A. 在线用户表
B. 访问控制列表
C. MAC地址表
D. 路由表

4. [单选题]路由器上“水平分割”的功能是：()

A. 分离端口
B. 阻止路由环路
C. 简化配置
D. 方便故障处理

5. [单选题]在路由器上，命令show access-list的功能是（）

A. 显示访问控制列表内容
B. 显示路由表内容
C. 显示端口配置信息
D. 显示活动配置文件^{(configuration file)}

6. [单选题]默认情况下，RIP定期发送路由更新的时间是（）

A. 15S
B. 30S
C. 60S
D. 90S

7. [多选题]请选出交换机处理帧的三种模式：()

A. 直通模式
B. 存储转发模式
C. 侦测模式
D. 分段模式
E. 阻塞模式

8. [多选题]How could the Ezonexam corporation benefit from using VLANs on their network?(Select three answer choices.)

A. VLANs allow access to network services based on department, not physical location.
B. VLANs utilize packet filtering to enhance network security.
C. VLANs provide a low-latency, high bandwidth internetworking alternative.
D. VLANs provide a method of communication between IP addresses in large networks.
E. VLANs establish segmented broadcast domains in switched networks.
F. F. VLANs can greatly simplify adding, moving, or changing hosts on the network.

9. [单选题]What kind of cable should be used to establish a trunked line between two Catalyst switches?

A. A straight-through cable
B. An EIA/TIA-232 serial cable
C. An auxiliary cable
D. A modem cable
E. A cross-over cable

10. [单选题]You need to perform. some initial configuration tasks on a new Ezonexam switch. What is the purpose of assigning an IP address to a switch?

A. To provide local hosts with a default gateway address
B. To allow remote management of the switch.
C. To allow the switch to respond to ARP requests between two hosts
D. To ensure that hosts on the same LAN can communicate with each other.
E. None of the above

查看答案&解析查看所有试题

本文链接：https://www.51ksbd.net/show/qzgqnp.html