思科认证考试 题目列表
如果所在的局域网中存在 DHCP 服务器,那么在 Windows 平台下安装 TCP/IP网络时,就可以()A、  去掉 IP 地址的设置B、  从 DHCP 服务器中自动获得一个 IP 地址C、  设置一个有效的固定 IP 地址D、  任意设置一个 IP 地址

由于前向纠错法是自动校正错误,所有大多数网络使用它。

What are two design guidelines for VoIP networks?()A、 Delay should be no more than 10 ms.B、 Loss should be no more than 1 percent.C、 Jitter should be less then 40 ms.D、 Managed bandwidth is strongly recommended for voice control traffic.

What IPv6 address would you ping to determine if OSPFv3 is able to send and receive unicast packets across a link?

以太网中,是根据()地址来区分不同的设备的。A、IP地址B、MAC地址C、IPX地址D、LLC地址

Which three statements accurately describe layer 2 Ethernet switches?()A、Microsegmentation decreases the number of collisions on the network.B、if a switch receives a frame for an unkown destination,it uses ARP to resolve the address.C、Spanning Tree Protocol allows switches to automatically share vlan information.D、In a properly functioning network with redundant switched paths,each swiched aegment will contain oneroot bridge with all its ports in the forwarding state.All other switches in that broadcast domain will haveonly one root port.E、Establishing vlans increases the number of  broadcast domains.F、Switches that are configured with vlans make forwarding decisions based on both layer 2 and layer 3address information.

What are the three things that the Netflow uses to consider the traffic to be in a same flow ?()A、IP addressB、Interface nameC、Port numbersD、L3 protocol typeE、mac address

During the IPv6 address resolution, a node sends a neighbor solicitation message in order to discover which of these?()A、The Layer 2 multicast address of the destination nodeB、The solicited node multicast address of the destination nodeC、The Layer 2 address of the destination node based on the destination IPv6 addressD、The IPv6 address of the destination node based on the destination Layer 2 address

what is the attributes that are required to be sent to BGP neighbors?

使配置的访问列表应用到接口上的命令是什么?()A、access-groupB、access-listC、aclD、firewall packet-filter xxxx inbound/outbound

Which mechanism can you use to achieve sub-second failover for link failure detection when a switched Ethernet media is used and loss of signal is not supported by the link provider?()A、OSPF standard hellosB、Cisco Discovery Protocol link detectionC、Bidirectional Forwarding DetectionD、Fast Link PulseE、autonegotiation

哪两个命令可以用来验证给定的Cisco交换机的中继链路的状态?()A、 show interfaces interfaceB、 show interfaces trunkC、 show interfaces switchportD、 show ip interface briefE、 show interfaces vlan

几台交换机互联,都是client模式,问其中一台新增一个vlan,结果会怎么样?

你是企业的网络管理员,你想在你的企业里实现QOS以确保HTTP的应用数据流保证最小带宽为1M,你用下面哪种队列实现?()A、 Weighted Fair Queuing (WFQ)B、 Priority Queuing (PQ)C、 Class-based WFQ (CBWFQ)D、 Low Latency Queuing (LLQ)

Which cisco security product line uses deep inspection to identify and prevent malicious attacks,resource misuse, and unauthorized access?()A、MARSB、NACC、VPND、IPS