多选题While trying to diagnose a routing problem in the network, you issue RIP debugging as displayed below: RtrA#debug ip rip Rip protocol debugging is on RtrA# 1d05h: RIP: sending v1 update to 255.255.255.255 via FastEthernet0/0 (172.16.1.1) 1d05h: RIP: bu

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第2题：

While troubleshooting a routing problem on the company EIGRP network you discover that one ofthe routers is failing to establish adjacencies with its neighbor. What is a likely cause of thisproblem between neighbors？（）

• A、The K-values do not match
• B、The hold times do not match
• C、The hello times do not match
• D、The AS numbers do not match

第3题：

What are three reasons to collect Netflow data on a company network?（）

• A、To identify applications causing congestion
• B、To authorize user network access
• C、To report and alert link up / down instances.
• D、To diagnose slow network performance, bandwidth hogs, and bandwidth utilization.
• E、To detect suboptimal routing in the network.
• F、To confirm the appropriate amount of bandwidth that has been allocated to each Class of Service.

第4题：

Which network technology allows for the monitoring of active communication networks to diagnose problems and gather statistics for network administration?（）

• A、Network security
• B、Content networking
• C、Network management
• D、Campus local-area networking

第5题：

Multiple users are trying to telnet to the AIX server. They are able to ping the server successfully， but are getting the following error message：  telnet： connect： A remote host refused an attempted connect operation   Which of the following could be the cause of this problem？（）

• A、The routing table on the AIX server is incorrect.
• B、The IP address on the network adapter is incorrect.
• C、The portmap daemon is not running on the AIX server.
• D、The inetd daemon is not running on the AIX server.

第6题：

Which two are advantages of static routing when compared to dynamic routing?（）

• A、Security increases because only the network administrator may change the routing tables
• B、Configuration complexity decreases as network size increases
• C、Routing updates are automatically sent to neighbors
• D、Route summarization is compued automatically by the router
• E、Routing traffic load is reduced when used in stub network links
• F、An efficient algorithm is used to build routing tables,using automatic updates
• G、Routing tables adapt automatically to topology changes.

第7题：

A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem? （）Router(config)#router ospf 1Router(config-router)#network 10.0.0.0 255.0.0.0 area 0

• A、The process id is configured improperly
• B、The OSPF area is configured improperly
• C、The network wildcard mask is configured improperly
• D、The network number is configured improperly
• E、The AS is configured improperly
• F、The network subnet mask is configuerd improperly

第8题：

A technician notices that when trying to ping a workstation by network name the workstation does not reply back over the network. The workstation is part of the domain and is able to get to the Internet. Which of the following is the cause of the problem？（）

• A、Faulty cable on the workstation
• B、Wrong host name on the workstation
• C、Wrong WINS on the workstation
• D、Incorrect IP address assigned to the workstation

第9题：

A gateway machine has access to the Internet and is trying to reach a machine on the Internet called cactus.org. Although the gateway machine cannot reach cactus.org， another network across town is able to reach cactus.org. Furthermore， the gateway machine can reach the network across town， but cannot ping the cactus.org. Which of the following tools will best help diagnose the location of the problem？（）

• A、iptrace
• B、netstat
• C、tcpdump
• D、traceroute

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第14题：

A new building has been added to the enterprise campus network， providing client access for desktop PCs， laptops， and IP phones for employees and guests. During verification， only a few laptops using  wireless are reported to have problems， while other desktops， IP phones， and most other wireless laptops are fully operational. Additional information received about the problem indicates that， while the problematic wireless laptops cannot reach internal corporate websites， they can reach the Internet.  Where should troubleshooting about this connectivity issue be focused？（）

• A、client network configuration
• B、VLAN mapping
• C、routing protocols
• D、first-hop redundancy protocol

第15题：

Non-contiguous networks can pose a problem for network reachability in certain circumstances. Which of the following routing protocols have means of minimizing the risk?（）

• A、RIPv1
• B、RIPv2
• C、EIGRP
• D、IGRP
• E、OSPF
• F、VLSM

第16题：

What parameters must you specify when you enable EIGRP routing?（）

• A、The broadcast address, and AS number
• B、The network number and AS number
• C、EIGRP routing, network number and passive interface
• D、EIGRP routing, network number, and AS

第17题：

A network administrator receives an error message while tring to configure the Ethernet interface of arouter with IP address 10.24.24.24/29.which statement explains the reason for this issue？（）

• A、The address is a broadcast address
• B、The Ehernet interface is faulty
• C、VLSM-capable routing protocols must be enable first on the router.
• D、This address is a network address.

第18题：

While troubleshooting a connectivity problem on the network, you issue the ping command from your PC command prompt, but the output shows "request times out."At which OSI layer is this problem associated with?（）

• A、The data link layer
• B、The application layer
• C、The access layer
• D、The session layer
• E、The network layer

第19题：

While troubleshooting a network connectivity problem, a technician observes steady link lights on both the workstation NIC and the switch port to which the workstation is connected. However, when the ping command is issued from the workstation, the output message "Request timed out." is displayed. At which layer of the OSI model does the problem most likely exist（）。

• A、the session layer
• B、the protocol layer
• C、the data link layer
• D、the access layer
• E、the network layer
• F、the application layer

第20题：

A system administrator received the following message while trying to ssh to a server：  connection timed out.The administrator pinged the server and had no response. The administrator then pinged the gateway， and was successful. Which tool could the administrator use next to isolate the problem？（）

• A、route
• B、traceroute
• C、netstat -nr
• D、broadcast ping

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