问题:单选题In order for computers with private IP addresses to access the public Internet, which of thefollowing must the router perform?()A NATB BGPC DHCPD APIPA
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问题:单选题When setting up a wireless network to cover a large area, which of the following needs to beconsidered FIRST?()A Device placementB Encryption methodsC Wireless channelsD SSID name
问题:单选题Which of the following are considered link state protocols?()A RIPv2 and EIGRPB EGP and IGPC OSPF and IS-ISD RIP and BGP
问题:单选题Which of the following is an intelligent repeater that is aware of the MAC addresses of the nodeson either side of the data link?()A GatewayB HubC BridgeD Router
问题:单选题Users are unable to stay connected to the company's wireless network. Several times throughout the day the users' signals are dropped and they are forced to reconnect to the network. A technician determines the network cabling that supplies the WAP has been run inside with several power lines. Which of the following is the MOST likely cause of the network issue?()A AshortB Open pairsC ESDD EMI
问题:单选题An administrator is troubleshooting wireless connectivity issues at a client’s office and discoversthat the machine loses connectivity when the wireless phone is being used. Which of the following WAPS should be installed to help resolve the issue?()A 802.1 1gB 802.1XC 802.11nD 802.11b
问题:单选题A VPN connection is not working correctly and the technician is unable to ping the VPN server. Which of the following actions should the technician do FIRST?()A Call their local ISPB Verify the IP information of the serverC Check their local Internet connectionD Verify the hostname of the server
问题:单选题A zone transfer occurs over which of the following ports?()A TCP 53B UDP 67C UDP 123D TCP 25
问题:单选题A user is attempting to connect to the network remotely using a laptop and dial-up. The user plugsthe cable into the only available laptop connection, but the connector is loose inside the port. TheMOST likely reason the connector is loose is the:()A RJ-11 connector needs to be re-crimpedB User has plugged into the laptop's NIC portC User has plugged the wrong end of the cable into the portD RJ-11 connector needs to be replaced with an RJ-45 connector
问题:单选题Which of the following cable speeds would provide the GREATEST theoretical bandwidth?()A 1000Base-TB 100Base-TC 10GBase-TD 10Base-T
问题:单选题Which of the following protocols defaults to port 161?()A SFTPB SNMPC SMTPD SNTP
问题:单选题Which of the following tools is used to show the active routes on a workstation?()A nbstatB arp -aC arp pingD netstat -r
问题:单选题Which of the following is used to create multiple networks from one large network?()A PATB NATC MulticastD Subnetting
问题:单选题Which of the following network cable types requires grounding?()A STPB UTPC FiberD Serial
问题:单选题A company has recently received a new ADSL backup Internet connection. Which of the followingwill MOST likely be used between the modem and the ISP?()A PPPoEB RASC IPSecD MSCHAP
问题:单选题A user reports that when the phone rings in their house the wireless on their laptops becomes disconnected. Which of the following BEST describes the issue?()A The cordless phones are plugged into same outlet as the routerB The cordless phones are 5.8Ghz which interferes with wirelessC The cordless phones are 2.4Ghz which interferes with wirelessD The cordless phones are plugged into the RJ-11 jack
问题:单选题An administrator is experiencing availability issues on a Linux server. The administrator decides tocheck the server for an IP address conflict on the server. Which of the following commands should the administrator use?()A tracerouteB tracertC ifconfigD ipconfig
问题:单选题The technician notices that one of the wires in a CAT5 cable is cut in half. Which of the followingconnectivity issues did the technician discover?()A Open pairsB AttenuationC CrosstalkD Interference
问题:单选题Users report an intermittent degradation of sound on their IP phones. Which of the following woulda network administrator do to alleviate the problem?()A Use plenum cablesB Provide fault tolerance for the switchC Configure VLAN trunking on the switchD Configure QoS
问题:单选题A small business with eight employees has just opened their office in a renovated loft in a busy downtown area. The owner of the building does not want to run any additional wiring beyond power, to preserve the historic nature of the building. Because of this stipulation, almost all tenants in the building have chosen to implement wireless. Which of the following should be the FIRST step in setting up this SOHO network?()A Run a wireless site surveyB Speak to tenants to determine their telephone standards.C Install and configure a Gigabit switch.D Determine the operating system versions.