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单选题
An administrator replaced a router with a switch. End users are able to access network shares butare not able to access the Internet. Which of the following is the BEST explanation why the usersare unable to access the Internet?（）
A
Router routes traffic between different networks and a switch does not
B
The new switch is faulty and needs to be replaced and configured correctly
C
The firewall needs to be setup to allow traffic to reach the Internet
D
The switch needs to be setup to forward data traffic to the Internet
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You replaced your Layer 3 switch， which is the default gateway of the end users. Many users cannot access anything now， including email， Internet， and other applications， although other users do not have any issues. All of the applications are hosted in an outsourced data center. In order to fix the problem， which one of these actions should you take？（）A、Clear the MAC address table in the switch.B、Clear the ARP cache in the switch.C、Clear the ARP cache in the end devices.D、Clear the ARP cache in the application servers.
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A user states that the wireless router keeps rebooting while the power to the other equipment stays on. Which of the following should the technician perform to prevent users from rebooting the router?（）A、Change the default administrator passwordB、Change the IP range of the wireless networkC、Hide the SSIDD、Disable WEP
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单选题Refer to the exhibit. With an IPSec tunnel established between remote Router A and head-end router B, with Compressed Real-Time Protocol (cRTP) configured on the serial interface of Router A, what impact will the cRTP configuration have on the Voice over IP packets flowing through the IPSec tunnel from a Cisco 7960 IP phone?（）A
Twenty bytes of header will be replaced with five bytes. B
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nGenius Real-Time MonitorB
CiscoViewC
Device Fault ManagerD
Internetwork Performance Monitor
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FTPB
SNMPv2C
TFTPD
KTTPS
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单选题An administrator creates a new directory then shares it on the Windows server. The administrator sets the permissions for everyone to "Modify" but users report they are unable to create or delete documents. Which of the following is the cause？（）A
The administrator forgot to change the share permissionsB
The users were not part of the “Everyone” built in groupC
The administrator shared the files but not the folderD
“Modify” only allows users to change existing documents
考题
单选题End users are failing to log in to the network. Which command is used on the ERX Edge Router to validate communications with the RADIUS server?（）A
test ppp aaaB
test aaa pppC
test radius userD
test user radius
考题
单选题Which router or router combination is used to calculate the MPLS traffic engineering tunnel path？（）A
head-end router and tail-end routerB
middle-point routerC
head-end routerD
tart-end routerE
tail-end router
考题
单选题The network administrator would like to generate synthetic traffic using the Service Assurance Agent contained in Cisco IOS. Which CiscoWorks network management application will be used to report the latency and availability for configured traffic operations on an end-to-end and hop-byhop (router-to-router) basis?（）A
nGenius Real-Time MonitorB
CiscoViewC
Device Fault ManagerD
Internetwork Performance Monitor
考题
单选题You need to design access to e-mail by Internet users. What should you do？（）A
Configure front-end servers to use HTTP to communicate with back-end serversB
Configure the internal firewall to allow IPSec traffic between front-end and back-end Exchange serversC
Require all users to encrypt all outbound e-mail messagesD
Issue digital certificates to all remote users. Require the certificates to be used when authenticating to Outlook Web Access
考题
单选题An administrator replaced a router with a switch. End users are able to access network shares butare not able to access the Internet. Which of the following is the BEST explanation why the usersare unable to access the Internet?（）A
Router routes traffic between different networks and a switch does notB
The new switch is faulty and needs to be replaced and configured correctlyC
The firewall needs to be setup to allow traffic to reach the InternetD
The switch needs to be setup to forward data traffic to the Internet
考题
单选题You replaced your Layer 3 switch， which is the default gateway of the end users. Many users cannot access anything now， including email， Internet， and other applications， although other users do not have any issues. All of the applications are hosted in an outsourced data center. In order to fix the problem， which one of these actions should you take？ （）A
Clear the MAC address table in the switch.B
Clear the ARP cache in the switch.C
Clear the ARP cache in the end devices.D
Clear the ARP cache in the application servers.
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